3v4l.org

run code in 300+ PHP versions simultaneously
<?php $splitby = array('these','are','the','words','to','split','by'); $text = 'This is the string which needs to be split by the above words.'; $split = explode(' ', $text); $result = array(); $temp = array(); foreach ($split as $s) { if (in_array($s, $splitby)) { if (sizeof($temp) > 0) { $result[] = implode(' ', $temp); $temp = array(); } } else { $temp[] = $s; } } if (sizeof($temp) > 0) { $result[] = implode(' ', $temp); } var_dump($result);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
array(4) { [0]=> string(7) "This is" [1]=> string(18) "string which needs" [2]=> string(2) "be" [3]=> string(12) "above words." }

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278.4 ms | 406 KiB | 366 Q