Heimdall/app/Helper.php
2023-09-26 18:51:12 +02:00

138 lines
3.3 KiB
PHP

<?php
use Illuminate\Support\Str;
/**
* @param $bytes
* @param bool $is_drive_size
* @param string $beforeunit
* @param string $afterunit
* @return string
*/
function format_bytes($bytes, bool $is_drive_size = true, string $beforeunit = '', string $afterunit = ''): string
{
$btype = ($is_drive_size === true) ? 1000 : 1024;
$labels = ['B', 'KB', 'MB', 'GB', 'TB'];
// use 1000 rather than 1024 to simulate HD size not real size
for ($x = 0; $bytes >= $btype && $x < (count($labels) - 1); $bytes /= $btype, $x++) ;
if ($labels[$x] == 'TB') {
return round($bytes, 3) . $beforeunit . $labels[$x] . $afterunit;
} elseif ($labels[$x] == 'GB') {
return round($bytes, 2) . $beforeunit . $labels[$x] . $afterunit;
} elseif ($labels[$x] == 'MB') {
return round($bytes, 2) . $beforeunit . $labels[$x] . $afterunit;
} else {
return round($bytes, 0) . $beforeunit . $labels[$x] . $afterunit;
}
}
/**
* @param $title
* @param string $separator
* @param string $language
* @return string
*/
function str_slug($title, string $separator = '-', string $language = 'en'): string
{
return Str::slug($title, $separator, $language);
}
if (!function_exists('str_is')) {
/**
* Determine if a given string matches a given pattern.
*
* @param string|array $pattern
* @param string $value
* @return bool
*
* @deprecated Str::is() should be used directly instead. Will be removed in Laravel 6.0.
*/
function str_is($pattern, string $value): bool
{
return Str::is($pattern, $value);
}
}
/**
* @param $hex
* @return float|int
*/
function get_brightness($hex)
{
// returns brightness value from 0 to 255
// strip off any leading #
// $hex = str_replace('#', '', $hex);
$hex = preg_replace("/[^0-9A-Fa-f]/", '', $hex);
if (strlen($hex) == 3) {
$hex = $hex[0] . $hex[0] . $hex[1] . $hex[1] . $hex[2] . $hex[2];
}
$c_r = hexdec(substr($hex, 0, 2));
$c_g = hexdec(substr($hex, 2, 2));
$c_b = hexdec(substr($hex, 4, 2));
return (($c_r * 299) + ($c_g * 587) + ($c_b * 114)) / 1000;
}
/**
* @param $hex
* @return string
*/
function title_color($hex): string
{
if (get_brightness($hex) > 130) {
return ' black';
} else {
return ' white';
}
}
/**
* @return string
*/
function getLinkTargetAttribute(): string
{
$target = \App\Setting::fetch('window_target');
if ($target === 'current') {
return '';
} else {
return ' target="' . $target . '"';
}
}
/**
* @param $name
* @return array|string|string[]|null
*/
function className($name)
{
return preg_replace('/[^\p{L}\p{N}]/u', '', $name);
}
/**
* @param string $file
* @param string $extension
* @return bool
*/
function isImage(string $file, string $extension): bool
{
$allowedExtensions = ['jpg', 'jpeg', 'png', 'bmp', 'gif', 'svg', 'webp'];
if (!in_array($extension, $allowedExtensions)) {
return false;
}
$tempFileName = @tempnam("/tmp", "image-check-");
$handle = fopen($tempFileName, "w");
fwrite($handle, $file);
fclose($handle);
if ($extension == 'svg') {
return 'image/svg+xml' === mime_content_type($tempFileName);
}
$size = @getimagesize($tempFileName);
return is_array($size) && str_starts_with($size['mime'], 'image');
}