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<?php $safeWords = array_map('preg_quote', explode(' ', 'hat cat')); $text = 'Cat in the hat that had cataract surgery'; $regex = '#\b(?:' . implode('|', $safeWords) . ')\b#iu'; echo preg_replace($regex, '<strong>$0</strong>', $text);
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
<strong>Cat</strong> in the <strong>hat</strong> that had cataract surgery
preferences:
78.07 ms | 402 KiB | 62 Q