41 lines
1.6 KiB
PHP
41 lines
1.6 KiB
PHP
<?php
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namespace App\Lib;
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class Utils
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{
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public static function plainToHtml(string $text)
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{
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$text = e($text);
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// url replace and email replace
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$text = preg_replace_callback(
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'/(?P<email>[^\s@]+@([^\s@.,]+\.)+[^\s@.,]{2,})|(?P<user>@\w*)|(?P<url>(?:http[s]?:\/\/.)?(?:www\.)?[-a-zA-Z0-9@%._\+~#=]{2,256}\.[a-z]{2,6}\b(?:[-a-zA-Z0-9@:%_\+.~#?&\/\/=]*))/',
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function ($matches) {
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$match = collect($matches)->first() ?? '';
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if (filter_var($match, FILTER_VALIDATE_EMAIL)) {
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return strlen($match) ? "<a href=\"mailto:$match\">$match</a>" : $match;
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} elseif (isset($matches['user']) and strlen($matches['user'])) {
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return sprintf(
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'<span class="text-primary fw-bold font-weight-bold">%s</span>',
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$matches['user']
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);
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} else {
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$url = $match;
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if (\strpos($url, 'http') === false and \strpos($url, 'https') === false) {
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$url = sprintf('http://%s', $url);
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}
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$fsligthbox = self::isImageFile($url) ? 'data-fslightbox="gallery"' : '';
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return strlen($match) ? "<a $fsligthbox href=\"$url\" target=\"_blank\">$match</a>" : $match;
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}
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},
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$text
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);
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return nl2br($text);
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}
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public static function isImageFile(string $url): bool
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{
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$m = [];
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return \preg_match('/(\.png|\.jpg|\.jpeg|\.gif)$/', $url, $m) === 1;
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}
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}
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