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Strip out invalid characters from tile background

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Kode 2022-03-21 21:37:14 +00:00
parent 9ca2078e7d
commit 9f0abb6f4d
1 changed files with 2 additions and 1 deletions
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3
app/Helper.php
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@ -43,7 +43,8 @@ function get_brightness($hex)
{
// returns brightness value from 0 to 255
// strip off any leading #
$hex = str_replace('#', '', $hex);
// $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];
}