3v4l.org

run code in 300+ PHP versions simultaneously
<?php $exception = ['will not'=>'will&nbs;pnot']; $string = 'They will not begin'; $string = strtr($string, $exception); $array = explode(' ', $string); $array = array_combine(array_values($array), array_values($array)); var_dump($array); $array = array_replace($array, array_intersect($array, array_flip($exception))); var_dump(array_values($array));
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(3) { ["They"]=> string(4) "They" ["will&nbs;pnot"]=> string(13) "will&nbs;pnot" ["begin"]=> string(5) "begin" } array(3) { [0]=> string(4) "They" [1]=> string(13) "will&nbs;pnot" [2]=> string(5) "begin" }
preferences:
183.46 ms | 404 KiB | 229 Q