opcache-gui/index.php

<?php

/**
 * OPcache GUI
 *
 * A simple but effective single-file GUI for the OPcache PHP extension.
 *
 * @author Andrew Collington, andy@amnuts.com
 * @version 3.5.5
 * @link https://github.com/amnuts/opcache-gui
 * @license MIT, https://acollington.mit-license.org/
 */

/*
 * User configuration
 * These are all the default values; you only really need to supply the ones
 * that you wish to change.
 */

$options = [
    'allow_filelist'   => true,                // show/hide the files tab
    'allow_invalidate' => true,                // give a link to invalidate files
    'allow_reset'      => true,                // give option to reset the whole cache
    'allow_realtime'   => true,                // give option to enable/disable real-time updates
    'refresh_time'     => 5,                   // how often the data will refresh, in seconds
    'size_precision'   => 2,                   // Digits after decimal point
    'size_space'       => false,               // have '1MB' or '1 MB' when showing sizes
    'charts'           => true,                // show gauge chart or just big numbers
    'debounce_rate'    => 250,                 // milliseconds after key press to send keyup event when filtering
    'per_page'         => 200,                 // How many results per page to show in the file list, false for no pagination
    'cookie_name'      => 'opcachegui',        // name of cookie
    'cookie_ttl'       => 365,                 // days to store cookie
    'datetime_format'  => 'D, d M Y H:i:s O',  // Show datetime in this format
    'highlight'        => [
        'memory' => true,                      // show the memory chart/big number
        'hits'   => true,                      // show the hit rate chart/big number
        'keys'   => true,                      // show the keys used chart/big number
        'jit'    => true                       // show the jit buffer chart/big number
    ],
    // json structure of all text strings used, or null for default
    'language_pack'    => null
];

/*
 * Shouldn't need to alter anything else below here
 */

if (!extension_loaded('Zend OPcache')) {
    die('The Zend OPcache extension does not appear to be installed');
}

$ocEnabled = ini_get('opcache.enable');
if (empty($ocEnabled)) {
    die('The Zend OPcache extension is installed but not active');
}

header('Cache-Control: no-cache, must-revalidate');
header('Pragma: no-cache');

class Service
{
    public const VERSION = '3.5.5';

    protected $tz;
    protected $data;
    protected $options;
    protected $optimizationLevels;
    protected $jitModes;
    protected $jitModeMapping = [
        'tracing' => 1254,
        'on' => 1254,
        'function' => 1205
    ];
    protected $defaults = [
        'allow_filelist'   => true,                // show/hide the files tab
        'allow_invalidate' => true,                // give a link to invalidate files
        'allow_reset'      => true,                // give option to reset the whole cache
        'allow_realtime'   => true,                // give option to enable/disable real-time updates
        'refresh_time'     => 5,                   // how often the data will refresh, in seconds
        'size_precision'   => 2,                   // Digits after decimal point
        'size_space'       => false,               // have '1MB' or '1 MB' when showing sizes
        'charts'           => true,                // show gauge chart or just big numbers
        'debounce_rate'    => 250,                 // milliseconds after key press to send keyup event when filtering
        'per_page'         => 200,                 // How many results per page to show in the file list, false for no pagination
        'cookie_name'      => 'opcachegui',        // name of cookie
        'cookie_ttl'       => 365,                 // days to store cookie
        'datetime_format'  => 'D, d M Y H:i:s O',  // Show datetime in this format
        'highlight'        => [
            'memory' => true,                      // show the memory chart/big number
            'hits'   => true,                      // show the hit rate chart/big number
            'keys'   => true,                      // show the keys used chart/big number
            'jit'    => true                       // show the jit buffer chart/big number
        ],
        'language_pack'    => null                 // json structure of all text strings used, or null for default
    ];

    /**
     * Service constructor.
     * @param array $options
     * @throws Exception
     */
    public function __construct(array $options = [])
    {
        $this->options = array_merge($this->defaults, $options);
        $this->tz = new DateTimeZone(date_default_timezone_get());
        if (is_string($this->options['language_pack'])) {
            $this->options['language_pack'] = json_decode($this->options['language_pack'], true);
        }

        $this->optimizationLevels = [
            1 << 0  => $this->txt('CSE, STRING construction'),
            1 << 1  => $this->txt('Constant conversion and jumps'),
            1 << 2  => $this->txt('++, +=, series of jumps'),
            1 << 3  => $this->txt('INIT_FCALL_BY_NAME -> DO_FCALL'),
            1 << 4  => $this->txt('CFG based optimization'),
            1 << 5  => $this->txt('DFA based optimization'),
            1 << 6  => $this->txt('CALL GRAPH optimization'),
            1 << 7  => $this->txt('SCCP (constant propagation)'),
            1 << 8  => $this->txt('TMP VAR usage'),
            1 << 9  => $this->txt('NOP removal'),
            1 << 10 => $this->txt('Merge equal constants'),
            1 << 11 => $this->txt('Adjust used stack'),
            1 << 12 => $this->txt('Remove unused variables'),
            1 << 13 => $this->txt('DCE (dead code elimination)'),
            1 << 14 => $this->txt('(unsafe) Collect constants'),
            1 << 15 => $this->txt('Inline functions'),
        ];
        $this->jitModes = [
            [
                'flag' => $this->txt('CPU-specific optimization'),
                'value' => [
                    $this->txt('Disable CPU-specific optimization'),
                    $this->txt('Enable use of AVX, if the CPU supports it')
                ]
            ],
            [
                'flag' => $this->txt('Register allocation'),
                'value' => [
                    $this->txt('Do not perform register allocation'),
                    $this->txt('Perform block-local register allocation'),
                    $this->txt('Perform global register allocation')
                ]
            ],
            [
                'flag' => $this->txt('Trigger'),
                'value' => [
                    $this->txt('Compile all functions on script load'),
                    $this->txt('Compile functions on first execution'),
                    $this->txt('Profile functions on first request and compile the hottest functions afterwards'),
                    $this->txt('Profile on the fly and compile hot functions'),
                    $this->txt('Currently unused'),
                    $this->txt('Use tracing JIT. Profile on the fly and compile traces for hot code segments')
                ]
            ],
            [
                'flag' => $this->txt('Optimization level'),
                'value' => [
                    $this->txt('No JIT'),
                    $this->txt('Minimal JIT (call standard VM handlers)'),
                    $this->txt('Inline VM handlers'),
                    $this->txt('Use type inference'),
                    $this->txt('Use call graph'),
                    $this->txt('Optimize whole script')
                ]
            ]
        ];

        $this->data = $this->compileState();
    }

    /**
     * @return string
     */
    public function txt(): string
    {
        $args = func_get_args();
        $text = array_shift($args);
        if ((($lang = $this->getOption('language_pack')) !== null) && !empty($lang[$text])) {
            $text = $lang[$text];
        }
        foreach ($args as $i => $arg) {
            $text = str_replace('{' . $i . '}', $arg, $text);
        }
        return $text;
    }

    /**
     * @return $this
     * @throws Exception
     */
    public function handle(): Service
    {
        $response = function($success) {
            if ($this->isJsonRequest()) {
                echo '{ "success": "' . ($success ? 'yes' : 'no') . '" }';
            } else {
                header('Location: ?');
            }
            exit;
        };

        if (isset($_GET['reset']) && $this->getOption('allow_reset')) {
            $response($this->resetCache());
        } elseif (isset($_GET['invalidate']) && $this->getOption('allow_invalidate')) {
            $response($this->resetCache($_GET['invalidate']));
        } elseif (isset($_GET['invalidate_searched']) && $this->getOption('allow_invalidate')) {
            $response($this->resetSearched($_GET['invalidate_searched']));
        } elseif ($this->isJsonRequest() && $this->getOption('allow_realtime')) {
            echo json_encode($this->getData($_GET['section'] ?? null));
            exit;
        }

        return $this;
    }

    /**
     * @param string|null $name
     * @return array|mixed|null
     */
    public function getOption(?string $name = null)
    {
        if ($name === null) {
            return $this->options;
        }

        return $this->options[$name] ?? null;
    }

    /**
     * @param string|null $section
     * @param string|null $property
     * @return array|mixed|null
     */
    public function getData(?string $section = null, ?string $property = null)
    {
        if ($section === null) {
            return $this->data;
        }
        $section = strtolower($section);
        if (isset($this->data[$section])) {
            if ($property === null || !isset($this->data[$section][$property])) {
                return $this->data[$section];
            }
            return $this->data[$section][$property];
        }
        return null;
    }

    /**
     * @return bool
     */
    public function canInvalidate(): bool
    {
        return ($this->getOption('allow_invalidate') && function_exists('opcache_invalidate'));
    }

    /**
     * @param string|null $file
     * @return bool
     * @throws Exception
     */
    public function resetCache(?string $file = null): bool
    {
        $success = false;
        if ($file === null) {
            $success = opcache_reset();
        } elseif (function_exists('opcache_invalidate')) {
            $success = opcache_invalidate(urldecode($file), true);
        }
        if ($success) {
            $this->compileState();
        }
        return $success;
    }

    /**
     * @param string $search
     * @return bool
     * @throws Exception
     */
    public function resetSearched(string $search): bool
    {
        $found = $success = 0;
        $search = urldecode($search);
        foreach ($this->getData('files') as $file) {
            if (strpos($file['full_path'], $search) !== false) {
                ++$found;
                $success += (int)opcache_invalidate($file['full_path'], true);
            }
        }
        if ($success) {
            $this->compileState();
        }
        return $found === $success;
    }

    /**
     * @param mixed $size
     * @return string
     */
    protected function size($size): string
    {
        $i = 0;
        $val = ['b', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];
        while (($size / 1024) > 1) {
            $size /= 1024;
            ++$i;
        }
        return sprintf('%.' . $this->getOption('size_precision') . 'f%s%s',
            $size, ($this->getOption('size_space') ? ' ' : ''), $val[$i]
        );
    }

    /**
     * @return bool
     */
    protected function isJsonRequest(): bool
    {
        return !empty($_SERVER['HTTP_ACCEPT'])
            && stripos($_SERVER['HTTP_ACCEPT'], 'application/json') !== false;
    }

    /**
     * @return array
     * @throws Exception
     */
    protected function compileState(): array
    {
        $status = opcache_get_status();
        $config = opcache_get_configuration();
        $missingConfig = array_diff_key(ini_get_all('zend opcache', false), $config['directives']);
        if (!empty($missingConfig)) {
            $config['directives'] = array_merge($config['directives'], $missingConfig);
        }

        $files = [];
        if (!empty($status['scripts']) && $this->getOption('allow_filelist')) {
            uasort($status['scripts'], static function ($a, $b) {
                return $a['hits'] <=> $b['hits'];
            });
            foreach ($status['scripts'] as &$file) {
                $file['full_path'] = str_replace('\\', '/', $file['full_path']);
                $file['readable'] = [
                    'hits' => number_format($file['hits']),
                    'memory_consumption' => $this->size($file['memory_consumption'])
                ];
                $file['last_used'] = (new DateTimeImmutable("@{$file['last_used_timestamp']}"))
                    ->setTimezone($this->tz)
                    ->format($this->getOption('datetime_format'));
                $file['last_modified'] = "";
                if (!empty($file['timestamp'])) {
                    $file['last_modified'] = (new DateTimeImmutable("@{$file['timestamp']}"))
                        ->setTimezone($this->tz)
                        ->format($this->getOption('datetime_format'));
                }
            }
            $files = array_values($status['scripts']);
        }

        if ($config['directives']['opcache.file_cache_only'] || !empty($status['file_cache_only'])) {
            $overview = false;
        } else {
            $overview = array_merge(
                $status['memory_usage'], $status['opcache_statistics'], [
                    'used_memory_percentage' => round(100 * (
                        ($status['memory_usage']['used_memory'] + $status['memory_usage']['wasted_memory'])
                        / $config['directives']['opcache.memory_consumption']
                    )),
                    'hit_rate_percentage' => round($status['opcache_statistics']['opcache_hit_rate']),
                    'used_key_percentage' => round(100 * (
                        $status['opcache_statistics']['num_cached_keys']
                        / $status['opcache_statistics']['max_cached_keys']
                    )),
                    'wasted_percentage' => round($status['memory_usage']['current_wasted_percentage'], 2),
                    'readable' => [
                        'total_memory' => $this->size($config['directives']['opcache.memory_consumption']),
                        'used_memory' => $this->size($status['memory_usage']['used_memory']),
                        'free_memory' => $this->size($status['memory_usage']['free_memory']),
                        'wasted_memory' => $this->size($status['memory_usage']['wasted_memory']),
                        'num_cached_scripts' => number_format($status['opcache_statistics']['num_cached_scripts']),
                        'hits' => number_format($status['opcache_statistics']['hits']),
                        'misses' => number_format($status['opcache_statistics']['misses']),
                        'blacklist_miss' => number_format($status['opcache_statistics']['blacklist_misses']),
                        'num_cached_keys' => number_format($status['opcache_statistics']['num_cached_keys']),
                        'max_cached_keys' => number_format($status['opcache_statistics']['max_cached_keys']),
                        'interned' => null,
                        'start_time' => (new DateTimeImmutable("@{$status['opcache_statistics']['start_time']}"))
                            ->setTimezone($this->tz)
                            ->format($this->getOption('datetime_format')),
                        'last_restart_time' => ($status['opcache_statistics']['last_restart_time'] === 0
                            ? $this->txt('never')
                            : (new DateTimeImmutable("@{$status['opcache_statistics']['last_restart_time']}"))
                                ->setTimezone($this->tz)
                                ->format($this->getOption('datetime_format'))
                        )
                    ]
                ]
            );
        }

        $preload = [];
        if (!empty($status['preload_statistics']['scripts']) && $this->getOption('allow_filelist')) {
            $preload = $status['preload_statistics']['scripts'];
            sort($preload, SORT_STRING);
            if ($overview) {
                $overview['preload_memory'] = $status['preload_statistics']['memory_consumption'];
                $overview['readable']['preload_memory'] = $this->size($status['preload_statistics']['memory_consumption']);
            }
        }

        if (!empty($status['interned_strings_usage'])) {
            $overview['readable']['interned'] = [
                'buffer_size' => $this->size($status['interned_strings_usage']['buffer_size']),
                'strings_used_memory' => $this->size($status['interned_strings_usage']['used_memory']),
                'strings_free_memory' => $this->size($status['interned_strings_usage']['free_memory']),
                'number_of_strings' => number_format($status['interned_strings_usage']['number_of_strings'])
            ];
        }

        if ($overview && !empty($status['jit']['enabled'])) {
            $overview['jit_buffer_used_percentage'] = ($status['jit']['buffer_size']
                ? round(100 * (($status['jit']['buffer_size'] - $status['jit']['buffer_free']) / $status['jit']['buffer_size']))
                : 0
            );
            $overview['readable'] = array_merge($overview['readable'], [
                'jit_buffer_size' => $this->size($status['jit']['buffer_size']),
                'jit_buffer_free' => $this->size($status['jit']['buffer_free'])
            ]);
        } else {
            $this->options['highlight']['jit'] = false;
        }

        $directives = [];
        ksort($config['directives']);
        foreach ($config['directives'] as $k => $v) {
            if (in_array($k, ['opcache.max_file_size', 'opcache.memory_consumption', 'opcache.jit_buffer_size']) && $v) {
                $v = $this->size($v) . " ({$v})";
            } elseif ($k === 'opcache.optimization_level') {
                $levels = [];
                foreach ($this->optimizationLevels as $level => $info) {
                    if ($level & $v) {
                        $levels[] = "{$info} [{$level}]";
                    }
                }
                $v = $levels ?: 'none';
            } elseif ($k === 'opcache.jit') {
                if ($v === '1') {
                    $v = 'on';
                }
                if (isset($this->jitModeMapping[$v]) || is_numeric($v)) {
                    $levels = [];
                    foreach (str_split((string)($this->jitModeMapping[$v] ?? $v)) as $type => $level) {
                        $levels[] = "{$level}: {$this->jitModes[$type]['value'][$level]} ({$this->jitModes[$type]['flag']})";
                    }
                    $v = [$v, $levels];
                } elseif (empty($v) || strtolower($v) === 'off') {
                    $v = 'Off';
                }
            }
            $directives[] = [
                'k' => $k,
                'v' => $v
            ];
        }

        $version = array_merge(
            $config['version'],
            [
                'php' => PHP_VERSION,
                'server' => $_SERVER['SERVER_SOFTWARE'] ?: '',
                'host' => (function_exists('gethostname')
                    ? gethostname()
                    : (php_uname('n')
                        ?: (empty($_SERVER['SERVER_NAME'])
                            ? $_SERVER['HOST_NAME']
                            : $_SERVER['SERVER_NAME']
                        )
                    )
                ),
                'gui' => self::VERSION
            ]
        );

        return [
            'version' => $version,
            'overview' => $overview,
            'files' => $files,
            'preload' => $preload,
            'directives' => $directives,
            'blacklist' => $config['blacklist'],
            'functions' => get_extension_funcs('Zend OPcache'),
            'jitState' => $this->jitState($status, $config['directives']),
        ];
    }

    protected function jitState(array $status, array $directives): array
    {
        $state = [
            'enabled' => $status['jit']['enabled'],
            'reason' => ''
        ];

        if (!$state['enabled']) {
            if (empty($directives['opcache.jit']) || $directives['opcache.jit'] === 'disable') {
                $state['reason'] = $this->txt('disabled due to <i>opcache.jit</i> setting');
            } elseif (!$directives['opcache.jit_buffer_size']) {
                $state['reason'] = $this->txt('the <i>opcache.jit_buffer_size</i> must be set to fully enable JIT');
            } else {
                $state['reason'] = $this->txt('incompatible with extensions that override <i>zend_execute_ex()</i>, such as <i>xdebug</i>');
            }
        }

        return $state;
    }
}

$opcache = (new Service($options))->handle();

?>
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width,initial-scale=1.0">
    <meta name="robots" content="noindex, nofollow" />
    <title>OPcache statistics on <?= $opcache->getData('version', 'host'); ?></title>
    <script src="//cdnjs.cloudflare.com/ajax/libs/react/18.2.0/umd/react.production.min.js"></script>
    <script src="//cdnjs.cloudflare.com/ajax/libs/react-dom/18.2.0/umd/react-dom.production.min.js"></script>
    <script src="//cdnjs.cloudflare.com/ajax/libs/axios/1.3.6/axios.min.js"></script>
    <style>
        :root{--opcache-gui-graph-track-fill-color: #6CA6EF;--opcache-gui-graph-track-background-color: rgba(229,231,231,0.905882)}.opcache-gui{font-family:sans-serif;font-size:90%;padding:0;margin:0}.opcache-gui .hide{display:none}.opcache-gui .sr-only{border:0 !important;clip:rect(1px, 1px, 1px, 1px) !important;-webkit-clip-path:inset(50%) !important;clip-path:inset(50%) !important;height:1px !important;margin:-1px !important;overflow:hidden !important;padding:0 !important;position:absolute !important;width:1px !important;white-space:nowrap !important}.opcache-gui .main-nav{padding-top:20px}.opcache-gui .nav-tab-list{list-style-type:none;padding-left:8px;margin:0;border-bottom:1px solid #CCC}.opcache-gui .nav-tab{display:inline-block;margin:0 0 -1px 0;padding:15px 30px;border:1px solid transparent;border-bottom-color:#CCC;text-decoration:none;background-color:#fff;cursor:pointer;user-select:none}.opcache-gui .nav-tab:hover{background-color:#F4F4F4;text-decoration:underline}.opcache-gui .nav-tab.active{border:1px solid #CCC;border-bottom-color:#fff;border-top:3px solid #6CA6EF}.opcache-gui .nav-tab.active:hover{background-color:initial}.opcache-gui .nav-tab:focus{outline:0;text-decoration:underline}.opcache-gui .nav-tab-link-reset{background-image:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" focusable="false" width="1.5em" height="1.5em" viewBox="0 0 24 24"><path d="M17.65 6.35A7.958 7.958 0 0 0 12 4c-4.42 0-7.99 3.58-7.99 8s3.57 8 7.99 8c3.73 0 6.84-2.55 7.73-6h-2.08A5.99 5.99 0 0 1 12 18c-3.31 0-6-2.69-6-6s2.69-6 6-6c1.66 0 3.14.69 4.22 1.78L13 11h7V4l-2.35 2.35z" fill="rgb(98, 98, 98)"/></svg>')}.opcache-gui .nav-tab-link-reset.is-resetting{background-image:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" focusable="false" width="1.5em" height="1.5em" viewBox="0 0 24 24"><path d="M17.65 6.35A7.958 7.958 0 0 0 12 4c-4.42 0-7.99 3.58-7.99 8s3.57 8 7.99 8c3.73 0 6.84-2.55 7.73-6h-2.08A5.99 5.99 0 0 1 12 18c-3.31 0-6-2.69-6-6s2.69-6 6-6c1.66 0 3.14.69 4.22 1.78L13 11h7V4l-2.35 2.35z" fill="rgb(0, 186, 0)"/></svg>')}.opcache-gui .nav-tab-link-realtime{background-image:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" focusable="false" width="1.5em" height="1.5em" viewBox="0 0 24 24"><path d="M11.99 2C6.47 2 2 6.48 2 12s4.47 10 9.99 10C17.52 22 22 17.52 22 12S17.52 2 11.99 2zM12 20c-4.42 0-8-3.58-8-8s3.58-8 8-8s8 3.58 8 8s-3.58 8-8 8z" fill="rgb(98, 98, 98)"/><path d="M12.5 7H11v6l5.25 3.15l.75-1.23l-4.5-2.67z" fill="rgb(98, 98, 98)"/></svg>')}.opcache-gui .nav-tab-link-realtime.live-update{background-image:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" focusable="false" width="1.5em" height="1.5em" viewBox="0 0 24 24"><path d="M11.99 2C6.47 2 2 6.48 2 12s4.47 10 9.99 10C17.52 22 22 17.52 22 12S17.52 2 11.99 2zM12 20c-4.42 0-8-3.58-8-8s3.58-8 8-8s8 3.58 8 8s-3.58 8-8 8z" fill="rgb(0, 186, 0)"/><path d="M12.5 7H11v6l5.25 3.15l.75-1.23l-4.5-2.67z" fill="rgb(0, 186, 0)"/></svg>')}.opcache-gui .nav-tab-link-reset,.opcache-gui .nav-tab-link-realtime{position:relative;padding-left:50px}.opcache-gui .nav-tab-link-reset.pulse::before,.opcache-gui .nav-tab-link-realtime.pulse::before{content:"";position:absolute;top:12px;left:25px;width:18px;height:18px;z-index:10;opacity:0;background-color:transparent;border:2px solid #00ba00;border-radius:100%;animation:pulse 2s linear infinite}.opcache-gui .tab-content{padding:2em}.opcache-gui .tab-content-overview-counts{width:270px;float:right}.opcache-gui .tab-content-overview-info{margin-right:280px}.opcache-gui .graph-widget{max-width:100%;height:auto;margin:0 auto;display:flex;position:relative}.opcache-gui .graph-widget .widget-value{display:flex;align-items:center;justify-content:center;text-align:center;position:absolute;top:0;width:100%;height:100%;margin:0 
    </style>
</head>

<body style="padding: 0; margin: 0;">

    <div class="opcache-gui" id="interface" />

    <script type="text/javascript">

    function _extends() { return _extends = Object.assign ? Object.assign.bind() : function (n) { for (var e = 1; e < arguments.length; e++) { var t = arguments[e]; for (var r in t) ({}).hasOwnProperty.call(t, r) && (n[r] = t[r]); } return n; }, _extends.apply(null, arguments); }
function _defineProperty(e, r, t) { return (r = _toPropertyKey(r)) in e ? Object.defineProperty(e, r, { value: t, enumerable: !0, configurable: !0, writable: !0 }) : e[r] = t, e; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == typeof i ? i : i + ""; }
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class Interface extends React.Component {
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  render() {
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function MainNavigation(props) {
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class Tabs extends React.Component {
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class Tab extends React.Component {
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function OverviewCounts(props) {
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function GeneralInfo(props) {
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function Directives(props) {
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function Functions(props) {
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}
function UsageGraph(props) {
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}

/**
 * This component is from <https://github.com/martyan/react-customizable-progressbar/>
 * MIT License (MIT), Copyright (c) 2019 Martin Juzl
 */
class ReactCustomizableProgressbar extends React.Component {
  constructor(props) {
    super(props);
    _defineProperty(this, "initAnimation", () => {
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        animationInited: true
      });
    });
    _defineProperty(this, "getProgress", () => {
      const {
        initialAnimation,
        progress
      } = this.props;
      const {
        animationInited
      } = this.state;
      return initialAnimation && !animationInited ? 0 : progress;
    });
    _defineProperty(this, "getStrokeDashoffset", strokeLength => {
      const {
        counterClockwise,
        inverse,
        steps
      } = this.props;
      const progress = this.getProgress();
      const progressLength = strokeLength / steps * (steps - progress);
      if (inverse) return counterClockwise ? 0 : progressLength - strokeLength;
      return counterClockwise ? -1 * progressLength : progressLength;
    });
    _defineProperty(this, "getStrokeDashArray", (strokeLength, circumference) => {
      const {
        counterClockwise,
        inverse,
        steps
      } = this.props;
      const progress = this.getProgress();
      const progressLength = strokeLength / steps * (steps - progress);
      if (inverse) return `${progressLength}, ${circumference}`;
      return counterClockwise ? `${strokeLength * (progress / 100)}, ${circumference}` : `${strokeLength}, ${circumference}`;
    });
    _defineProperty(this, "getTrackStrokeDashArray", (strokeLength, circumference) => {
      const {
        initialAnimation
      } = this.props;
      const {
        animationInited
      } = this.state;
      if (initialAnimation && !animationInited) return `0, ${circumference}`;
      return `${strokeLength}, ${circumference}`;
    });
    _defineProperty(this, "getExtendedWidth", () => {
      const {
        strokeWidth,
        pointerRadius,
        pointerStrokeWidth,
        trackStrokeWidth
      } = this.props;
      const pointerWidth = pointerRadius + pointerStrokeWidth;
      if (pointerWidth > strokeWidth && pointerWidth > trackStrokeWidth) return pointerWidth * 2;else if (strokeWidth > trackStrokeWidth) return strokeWidth * 2;else return trackStrokeWidth * 2;
    });
    _defineProperty(this, "getPointerAngle", () => {
      const {
        cut,
        counterClockwise,
        steps
      } = this.props;
      const progress = this.getProgress();
      return counterClockwise ? (360 - cut) / steps * (steps - progress) : (360 - cut) / steps * progress;
    });
    this.state = {
      animationInited: false
    };
  }
  componentDidMount() {
    const {
      initialAnimation,
      initialAnimationDelay
    } = this.props;
    if (initialAnimation) setTimeout(this.initAnimation, initialAnimationDelay);
  }
  render() {
    const {
      radius,
      pointerRadius,
      pointerStrokeWidth,
      pointerFillColor,
      pointerStrokeColor,
      fillColor,
      trackStrokeWidth,
      trackStrokeColor,
      trackStrokeLinecap,
      strokeColor,
      strokeWidth,
      strokeLinecap,
      rotate,
      cut,
      trackTransition,
      transition,
      progress
    } = this.props;
    const d = 2 * radius;
    const width = d + this.getExtendedWidth();
    const circumference = 2 * Math.PI * radius;
    const strokeLength = circumference / 360 * (360 - cut);
    return /*#__PURE__*/React.createElement("figure", {
      className: `graph-widget`,
      style: {
        width: `${width || 250}px`
      },
      "data-value": progress,
      id: this.props.guageId
    }, /*#__PURE__*/React.createElement("svg", {
      width: width,
      height: width,
      viewBox: `0 0 ${width} ${width}`,
      style: {
        transform: `rotate(${rotate}deg)`
      }
    }, trackStrokeWidth > 0 && /*#__PURE__*/React.createElement("circle", {
      cx: width / 2,
      cy: width / 2,
      r: radius,
      fill: "none",
      stroke: trackStrokeColor,
      strokeWidth: trackStrokeWidth,
      strokeDasharray: this.getTrackStrokeDashArray(strokeLength, circumference),
      strokeLinecap: trackStrokeLinecap,
      style: {
        transition: trackTransition
      }
    }), strokeWidth > 0 && /*#__PURE__*/React.createElement("circle", {
      cx: width / 2,
      cy: width / 2,
      r: radius,
      fill: fillColor,
      stroke: strokeColor,
      strokeWidth: strokeWidth,
      strokeDasharray: this.getStrokeDashArray(strokeLength, circumference),
      strokeDashoffset: this.getStrokeDashoffset(strokeLength),
      strokeLinecap: strokeLinecap,
      style: {
        transition
      }
    }), pointerRadius > 0 && /*#__PURE__*/React.createElement("circle", {
      cx: d,
      cy: "50%",
      r: pointerRadius,
      fill: pointerFillColor,
      stroke: pointerStrokeColor,
      strokeWidth: pointerStrokeWidth,
      style: {
        transformOrigin: '50% 50%',
        transform: `rotate(${this.getPointerAngle()}deg) translate(${this.getExtendedWidth() / 2}px)`,
        transition
      }
    })), /*#__PURE__*/React.createElement("figcaption", {
      className: `widget-value`
    }, progress, "%"));
  }
}
ReactCustomizableProgressbar.defaultProps = {
  radius: 100,
  progress: 0,
  steps: 100,
  cut: 0,
  rotate: -90,
  strokeWidth: 20,
  strokeColor: 'indianred',
  fillColor: 'none',
  strokeLinecap: 'round',
  transition: '.3s ease',
  pointerRadius: 0,
  pointerStrokeWidth: 20,
  pointerStrokeColor: 'indianred',
  pointerFillColor: 'white',
  trackStrokeColor: '#e6e6e6',
  trackStrokeWidth: 20,
  trackStrokeLinecap: 'round',
  trackTransition: '.3s ease',
  counterClockwise: false,
  inverse: false,
  initialAnimation: false,
  initialAnimationDelay: 0
};
function MemoryUsagePanel(props) {
  return /*#__PURE__*/React.createElement("div", {
    className: "widget-panel"
  }, /*#__PURE__*/React.createElement("h3", {
    className: "widget-header"
  }, "memory usage"), /*#__PURE__*/React.createElement("div", {
    className: "widget-value widget-info"
  }, /*#__PURE__*/React.createElement("p", null, /*#__PURE__*/React.createElement("b", null, props.txt('total memory'), ":"), " ", props.total), /*#__PURE__*/React.createElement("p", null, /*#__PURE__*/React.createElement("b", null, props.txt('used memory'), ":"), " ", props.used), /*#__PURE__*/React.createElement("p", null, /*#__PURE__*/React.createElement("b", null, props.txt('free memory'), ":"), " ", props.free), props.preload && /*#__PURE__*/React.createElement("p", null, /*#__PURE__*/React.createElement("b", null, props.txt('preload memory'), ":"), " ", props.preload), /*#__PURE__*/React.createElement("p", null, /*#__PURE__*/React.createElement("b", null, props.txt('wasted memory'), ":"), " ", props.wasted, " (", props.wastedPercent, "%)"), props.jitBuffer && /*#__PURE__*/React.createElement("p", null, /*#__PURE__*/React.createElement("b", null, props.txt('jit buffer'), ":"), " ", props.jitBuffer), props.jitBufferFree && /*#__PURE__*/React.createElement("p", null, /*#__PURE__*/React.createElement("b", null, props.txt('jit buffer free'), ":"), " ", props.jitBufferFree, " (", 100 - props.jitBufferFreePercentage, "%)")));
}
function StatisticsPanel(props) {
  return /*#__PURE__*/React.createElement("div", {
    className: "widget-panel"
  }, /*#__PURE__*/React.createElement("h3", {
    className: "widget-header"
  }, props.txt('opcache statistics')), /*#__PURE__*/React.createElement("div", {
    className: "widget-value widget-info"
  }, /*#__PURE__*/React.createElement("p", null, /*#__PURE__*/React.createElement("b", null, props.txt('number of cached'), " files:"), " ", props.num_cached_scripts), /*#__PURE__*/React.createElement("p", null, /*#__PURE__*/React.createElement("b", null, props.txt('number of hits'), ":"), " ", props.hits), /*#__PURE__*/React.createElement("p", null, /*#__PURE__*/React.createElement("b", null, props.txt('number of misses'), ":"), " ", props.misses), /*#__PURE__*/React.createElement("p", null, /*#__PURE__*/React.createElement("b", null, props.txt('blacklist misses'), ":"), " ", props.blacklist_miss), /*#__PURE__*/React.createElement("p", null, /*#__PURE__*/React.createElement("b", null, props.txt('number of cached keys'), ":"), " ", props.num_cached_keys), /*#__PURE__*/React.createElement("p", null, /*#__PURE__*/React.createElement("b", null, props.txt('max cached keys'), ":"), " ", props.max_cached_keys)));
}
function InternedStringsPanel(props) {
  return /*#__PURE__*/React.createElement("div", {
    className: "widget-panel"
  }, /*#__PURE__*/React.createElement("h3", {
    className: "widget-header"
  }, props.txt('interned strings usage')), /*#__PURE__*/React.createElement("div", {
    className: "widget-value widget-info"
  }, /*#__PURE__*/React.createElement("p", null, /*#__PURE__*/React.createElement("b", null, props.txt('buffer size'), ":"), " ", props.buffer_size), /*#__PURE__*/React.createElement("p", null, /*#__PURE__*/React.createElement("b", null, props.txt('used memory'), ":"), " ", props.strings_used_memory), /*#__PURE__*/React.createElement("p", null, /*#__PURE__*/React.createElement("b", null, props.txt('free memory'), ":"), " ", props.strings_free_memory), /*#__PURE__*/React.createElement("p", null, /*#__PURE__*/React.createElement("b", null, props.txt('number of strings'), ":"), " ", props.number_of_strings)));
}
class CachedFiles extends React.Component {
  constructor(props) {
    super(props);
    _defineProperty(this, "setSearchTerm", debounce(searchTerm => {
      this.setState({
        searchTerm,
        refreshPagination: !this.state.refreshPagination
      });
    }, this.props.debounceRate));
    _defineProperty(this, "onPageChanged", currentPage => {
      this.setState({
        currentPage
      });
    });
    _defineProperty(this, "handleInvalidate", e => {
      e.preventDefault();
      if (this.props.realtime) {
        axios.get(window.location.pathname, {
          params: {
            invalidate_searched: this.state.searchTerm
          }
        }).then(response => {
          console.log('success: ', response.data);
        });
      } else {
        window.location.href = e.currentTarget.href;
      }
    });
    _defineProperty(this, "changeSort", e => {
      this.setState({
        [e.target.name]: e.target.value
      });
    });
    _defineProperty(this, "compareValues", (key, order = 'asc') => {
      return function innerSort(a, b) {
        if (!a.hasOwnProperty(key) || !b.hasOwnProperty(key)) {
          return 0;
        }
        const varA = typeof a[key] === 'string' ? a[key].toUpperCase() : a[key];
        const varB = typeof b[key] === 'string' ? b[key].toUpperCase() : b[key];
        let comparison = 0;
        if (varA > varB) {
          comparison = 1;
        } else if (varA < varB) {
          comparison = -1;
        }
        return order === 'desc' ? comparison * -1 : comparison;
      };
    });
    this.doPagination = typeof props.perPageLimit === "number" && props.perPageLimit > 0;
    this.state = {
      currentPage: 1,
      searchTerm: props.searchTerm,
      refreshPagination: 0,
      sortBy: `last_used_timestamp`,
      sortDir: `desc`
    };
  }
  render() {
    if (!this.props.allow.fileList) {
      return null;
    }
    if (this.props.allFiles.length === 0) {
      return /*#__PURE__*/React.createElement("p", null, this.props.txt('No files have been cached or you have <i>opcache.file_cache_only</i> turned on'));
    }
    const {
      searchTerm,
      currentPage
    } = this.state;
    const offset = (currentPage - 1) * this.props.perPageLimit;
    const filesInSearch = searchTerm ? this.props.allFiles.filter(file => {
      return !(file.full_path.indexOf(searchTerm) === -1);
    }) : this.props.allFiles;
    filesInSearch.sort(this.compareValues(this.state.sortBy, this.state.sortDir));
    const filesInPage = this.doPagination ? filesInSearch.slice(offset, offset + this.props.perPageLimit) : filesInSearch;
    const allFilesTotal = this.props.allFiles.length;
    const showingTotal = filesInSearch.length;
    const showing = showingTotal !== allFilesTotal ? ", {1} showing due to filter '{2}'" : "";
    return /*#__PURE__*/React.createElement("div", null, /*#__PURE__*/React.createElement("form", {
      action: "#"
    }, /*#__PURE__*/React.createElement("label", {
      htmlFor: "frmFilter"
    }, this.props.txt('Start typing to filter on script path')), /*#__PURE__*/React.createElement("br", null), /*#__PURE__*/React.createElement("input", {
      type: "text",
      name: "filter",
      id: "frmFilter",
      className: "file-filter",
      onChange: e => {
        this.setSearchTerm(e.target.value);
      }
    })), /*#__PURE__*/React.createElement("h3", null, this.props.txt(`{0} files cached${showing}`, allFilesTotal, showingTotal, this.state.searchTerm)), this.props.allow.invalidate && this.state.searchTerm && showingTotal !== allFilesTotal && /*#__PURE__*/React.createElement("p", null, /*#__PURE__*/React.createElement("a", {
      href: `?invalidate_searched=${encodeURIComponent(this.state.searchTerm)}`,
      onClick: this.handleInvalidate
    }, this.props.txt('Invalidate all matching files'))), /*#__PURE__*/React.createElement("div", {
      className: "paginate-filter"
    }, this.doPagination && /*#__PURE__*/React.createElement(Pagination, {
      totalRecords: filesInSearch.length,
      pageLimit: this.props.perPageLimit,
      pageNeighbours: 2,
      onPageChanged: this.onPageChanged,
      refresh: this.state.refreshPagination,
      txt: this.props.txt
    }), /*#__PURE__*/React.createElement("nav", {
      className: "filter",
      "aria-label": this.props.txt('Sort order')
    }, /*#__PURE__*/React.createElement("select", {
      name: "sortBy",
      onChange: this.changeSort,
      value: this.state.sortBy
    }, /*#__PURE__*/React.createElement("option", {
      value: "last_used_timestamp"
    }, this.props.txt('Last used')), /*#__PURE__*/React.createElement("option", {
      value: "last_modified"
    }, this.props.txt('Last modified')), /*#__PURE__*/React.createElement("option", {
      value: "full_path"
    }, this.props.txt('Path')), /*#__PURE__*/React.createElement("option", {
      value: "hits"
    }, this.props.txt('Number of hits')), /*#__PURE__*/React.createElement("option", {
      value: "memory_consumption"
    }, this.props.txt('Memory consumption'))), /*#__PURE__*/React.createElement("select", {
      name: "sortDir",
      onChange: this.changeSort,
      value: this.state.sortDir
    }, /*#__PURE__*/React.createElement("option", {
      value: "desc"
    }, this.props.txt('Descending')), /*#__PURE__*/React.createElement("option", {
      value: "asc"
    }, this.props.txt('Ascending'))))), /*#__PURE__*/React.createElement("table", {
      className: "tables cached-list-table"
    }, /*#__PURE__*/React.createElement("thead", null, /*#__PURE__*/React.createElement("tr", null, /*#__PURE__*/React.createElement("th", null, this.props.txt('Script')))), /*#__PURE__*/React.createElement("tbody", null, filesInPage.map((file, index) => {
      return /*#__PURE__*/React.createElement(CachedFile, _extends({
        key: file.full_path,
        canInvalidate: this.props.allow.invalidate,
        realtime: this.props.realtime,
        txt: this.props.txt
      }, file));
    }))));
  }
}
class CachedFile extends React.Component {
  constructor(...args) {
    super(...args);
    _defineProperty(this, "handleInvalidate", e => {
      e.preventDefault();
      if (this.props.realtime) {
        axios.get(window.location.pathname, {
          params: {
            invalidate: e.currentTarget.getAttribute('data-file')
          }
        }).then(response => {
          console.log('success: ', response.data);
        });
      } else {
        window.location.href = e.currentTarget.href;
      }
    });
  }
  render() {
    return /*#__PURE__*/React.createElement("tr", {
      "data-path": this.props.full_path.toLowerCase()
    }, /*#__PURE__*/React.createElement("td", null, /*#__PURE__*/React.createElement("span", {
      className: "file-pathname"
    }, this.props.full_path), /*#__PURE__*/React.createElement("span", {
      className: "file-metainfo"
    }, /*#__PURE__*/React.createElement("b", null, this.props.txt('hits'), ": "), /*#__PURE__*/React.createElement("span", null, this.props.readable.hits, ", "), /*#__PURE__*/React.createElement("b", null, this.props.txt('memory'), ": "), /*#__PURE__*/React.createElement("span", null, this.props.readable.memory_consumption, ", "), this.props.last_modified && /*#__PURE__*/React.createElement(React.Fragment, null, /*#__PURE__*/React.createElement("b", null, this.props.txt('last modified'), ": "), /*#__PURE__*/React.createElement("span", null, this.props.last_modified, ", ")), /*#__PURE__*/React.createElement("b", null, this.props.txt('last used'), ": "), /*#__PURE__*/React.createElement("span", null, this.props.last_used)), !this.props.timestamp && /*#__PURE__*/React.createElement("span", {
      className: "invalid file-metainfo"
    }, " - ", this.props.txt('has been invalidated')), this.props.canInvalidate && /*#__PURE__*/React.createElement("span", null, ",\xA0", /*#__PURE__*/React.createElement("a", {
      className: "file-metainfo",
      href: '?invalidate=' + this.props.full_path,
      "data-file": this.props.full_path,
      onClick: this.handleInvalidate
    }, this.props.txt('force file invalidation')))));
  }
}
class IgnoredFiles extends React.Component {
  constructor(props) {
    super(props);
    _defineProperty(this, "onPageChanged", currentPage => {
      this.setState({
        currentPage
      });
    });
    this.doPagination = typeof props.perPageLimit === "number" && props.perPageLimit > 0;
    this.state = {
      currentPage: 1,
      refreshPagination: 0
    };
  }
  render() {
    if (!this.props.allow.fileList) {
      return null;
    }
    if (this.props.allFiles.length === 0) {
      return /*#__PURE__*/React.createElement("p", null, this.props.txt('No files have been ignored via <i>opcache.blacklist_filename</i>'));
    }
    const {
      currentPage
    } = this.state;
    const offset = (currentPage - 1) * this.props.perPageLimit;
    const filesInPage = this.doPagination ? this.props.allFiles.slice(offset, offset + this.props.perPageLimit) : this.props.allFiles;
    const allFilesTotal = this.props.allFiles.length;
    return /*#__PURE__*/React.createElement("div", null, /*#__PURE__*/React.createElement("h3", null, this.props.txt('{0} ignore file locations', allFilesTotal)), this.doPagination && /*#__PURE__*/React.createElement(Pagination, {
      totalRecords: allFilesTotal,
      pageLimit: this.props.perPageLimit,
      pageNeighbours: 2,
      onPageChanged: this.onPageChanged,
      refresh: this.state.refreshPagination,
      txt: this.props.txt
    }), /*#__PURE__*/React.createElement("table", {
      className: "tables ignored-list-table"
    }, /*#__PURE__*/React.createElement("thead", null, /*#__PURE__*/React.createElement("tr", null, /*#__PURE__*/React.createElement("th", null, this.props.txt('Path')))), /*#__PURE__*/React.createElement("tbody", null, filesInPage.map((file, index) => {
      return /*#__PURE__*/React.createElement("tr", {
        key: file
      }, /*#__PURE__*/React.createElement("td", null, file));
    }))));
  }
}
class PreloadedFiles extends React.Component {
  constructor(props) {
    super(props);
    _defineProperty(this, "onPageChanged", currentPage => {
      this.setState({
        currentPage
      });
    });
    this.doPagination = typeof props.perPageLimit === "number" && props.perPageLimit > 0;
    this.state = {
      currentPage: 1,
      refreshPagination: 0
    };
  }
  render() {
    if (!this.props.allow.fileList) {
      return null;
    }
    if (this.props.allFiles.length === 0) {
      return /*#__PURE__*/React.createElement("p", null, this.props.txt('No files have been preloaded <i>opcache.preload</i>'));
    }
    const {
      currentPage
    } = this.state;
    const offset = (currentPage - 1) * this.props.perPageLimit;
    const filesInPage = this.doPagination ? this.props.allFiles.slice(offset, offset + this.props.perPageLimit) : this.props.allFiles;
    const allFilesTotal = this.props.allFiles.length;
    return /*#__PURE__*/React.createElement("div", null, /*#__PURE__*/React.createElement("h3", null, this.props.txt('{0} preloaded files', allFilesTotal)), this.doPagination && /*#__PURE__*/React.createElement(Pagination, {
      totalRecords: allFilesTotal,
      pageLimit: this.props.perPageLimit,
      pageNeighbours: 2,
      onPageChanged: this.onPageChanged,
      refresh: this.state.refreshPagination,
      txt: this.props.txt
    }), /*#__PURE__*/React.createElement("table", {
      className: "tables preload-list-table"
    }, /*#__PURE__*/React.createElement("thead", null, /*#__PURE__*/React.createElement("tr", null, /*#__PURE__*/React.createElement("th", null, this.props.txt('Path')))), /*#__PURE__*/React.createElement("tbody", null, filesInPage.map((file, index) => {
      return /*#__PURE__*/React.createElement("tr", {
        key: file
      }, /*#__PURE__*/React.createElement("td", null, file));
    }))));
  }
}
class Pagination extends React.Component {
  constructor(props) {
    super(props);
    _defineProperty(this, "gotoPage", page => {
      const {
        onPageChanged = f => f
      } = this.props;
      const currentPage = Math.max(0, Math.min(page, this.totalPages()));
      this.setState({
        currentPage
      }, () => onPageChanged(currentPage));
    });
    _defineProperty(this, "totalPages", () => {
      return Math.ceil(this.props.totalRecords / this.props.pageLimit);
    });
    _defineProperty(this, "handleClick", (page, evt) => {
      evt.preventDefault();
      this.gotoPage(page);
    });
    _defineProperty(this, "handleJumpLeft", evt => {
      evt.preventDefault();
      this.gotoPage(this.state.currentPage - this.pageNeighbours * 2 - 1);
    });
    _defineProperty(this, "handleJumpRight", evt => {
      evt.preventDefault();
      this.gotoPage(this.state.currentPage + this.pageNeighbours * 2 + 1);
    });
    _defineProperty(this, "handleMoveLeft", evt => {
      evt.preventDefault();
      this.gotoPage(this.state.currentPage - 1);
    });
    _defineProperty(this, "handleMoveRight", evt => {
      evt.preventDefault();
      this.gotoPage(this.state.currentPage + 1);
    });
    _defineProperty(this, "range", (from, to, step = 1) => {
      let i = from;
      const range = [];
      while (i <= to) {
        range.push(i);
        i += step;
      }
      return range;
    });
    _defineProperty(this, "fetchPageNumbers", () => {
      const totalPages = this.totalPages();
      const pageNeighbours = this.pageNeighbours;
      const totalNumbers = this.pageNeighbours * 2 + 3;
      const totalBlocks = totalNumbers + 2;
      if (totalPages > totalBlocks) {
        let pages = [];
        const leftBound = this.state.currentPage - pageNeighbours;
        const rightBound = this.state.currentPage + pageNeighbours;
        const beforeLastPage = totalPages - 1;
        const startPage = leftBound > 2 ? leftBound : 2;
        const endPage = rightBound < beforeLastPage ? rightBound : beforeLastPage;
        pages = this.range(startPage, endPage);
        const pagesCount = pages.length;
        const singleSpillOffset = totalNumbers - pagesCount - 1;
        const leftSpill = startPage > 2;
        const rightSpill = endPage < beforeLastPage;
        const leftSpillPage = "LEFT";
        const rightSpillPage = "RIGHT";
        if (leftSpill && !rightSpill) {
          const extraPages = this.range(startPage - singleSpillOffset, startPage - 1);
          pages = [leftSpillPage, ...extraPages, ...pages];
        } else if (!leftSpill && rightSpill) {
          const extraPages = this.range(endPage + 1, endPage + singleSpillOffset);
          pages = [...pages, ...extraPages, rightSpillPage];
        } else if (leftSpill && rightSpill) {
          pages = [leftSpillPage, ...pages, rightSpillPage];
        }
        return [1, ...pages, totalPages];
      }
      return this.range(1, totalPages);
    });
    this.state = {
      currentPage: 1
    };
    this.pageNeighbours = typeof props.pageNeighbours === "number" ? Math.max(0, Math.min(props.pageNeighbours, 2)) : 0;
  }
  componentDidMount() {
    this.gotoPage(1);
  }
  componentDidUpdate(props) {
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function debounce(func, wait, immediate) {
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}

    ReactDOM.render(React.createElement(Interface, {
        allow: {
            filelist: <?= $opcache->getOption('allow_filelist') ? 'true' : 'false'; ?>,
            invalidate: <?= $opcache->getOption('allow_invalidate') ? 'true' : 'false'; ?>,
            reset: <?= $opcache->getOption('allow_reset') ? 'true' : 'false'; ?>,
            realtime: <?= $opcache->getOption('allow_realtime') ? 'true' : 'false'; ?>
        },
        cookie: {
            name: '<?= $opcache->getOption('cookie_name'); ?>',
            ttl: <?= $opcache->getOption('cookie_ttl'); ?>
        },
        opstate: <?= json_encode($opcache->getData()); ?>,
        useCharts: <?= json_encode($opcache->getOption('charts')); ?>,
        highlight: <?= json_encode($opcache->getOption('highlight')); ?>,
        debounceRate: <?= $opcache->getOption('debounce_rate'); ?>,
        perPageLimit: <?= json_encode($opcache->getOption('per_page')); ?>,
        realtimeRefresh: <?= json_encode($opcache->getOption('refresh_time')); ?>,
        language: <?= json_encode($opcache->getOption('language_pack')); ?>,
    }), document.getElementById('interface'));

    </script>

</body>
</html>