55 lines
1.5 KiB
PHP
55 lines
1.5 KiB
PHP
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<?php
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declare(strict_types=1);
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namespace Core\Services;
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class Shortcodes
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{
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/** @var array<string, callable> */
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private static array $handlers = [];
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public static function register(string $name, callable $handler): void
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{
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$key = strtolower(trim($name));
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if ($key === '') {
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return;
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}
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self::$handlers[$key] = $handler;
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}
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public static function render(string $content, array $context = []): string
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{
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if ($content === '' || !self::$handlers) {
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return $content;
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}
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return preg_replace_callback('/\[([a-zA-Z0-9_-]+)([^\]]*)\]/', function (array $m) use ($context): string {
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$tag = strtolower((string)($m[1] ?? ''));
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if (!isset(self::$handlers[$tag])) {
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return (string)$m[0];
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}
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$attrs = self::parseAttrs((string)($m[2] ?? ''));
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try {
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$out = (self::$handlers[$tag])($attrs, $context);
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return is_string($out) ? $out : '';
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} catch (\Throwable $e) {
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return '';
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}
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}, $content) ?? $content;
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}
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private static function parseAttrs(string $raw): array
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{
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$attrs = [];
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if ($raw === '') {
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return $attrs;
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}
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if (preg_match_all('/([a-zA-Z0-9_-]+)\s*=\s*"([^"]*)"/', $raw, $matches, PREG_SET_ORDER)) {
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foreach ($matches as $match) {
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$attrs[strtolower((string)$match[1])] = (string)$match[2];
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}
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}
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return $attrs;
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}
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}
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