3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = 'PHP is a server side web programming language , PHP is amazing , I love PHP'; $array = array('html','css','javascript','ajax','html5','css3','jquery','PHP'); $escaped_array = array_map(function($value){ return preg_quote($value, '/'); }, $array); $regex = '/\b(' . implode('|', $escaped_array) . ')\b$/'; preg_match($regex, $string, $match); print_r($match);
Output for 7.0.0 - 7.0.24, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
Array ( [0] => PHP [1] => PHP )
preferences:
145.74 ms | 408 KiB | 5 Q