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run code in 300+ PHP versions simultaneously
<?php function countWords($sentence) { return count(preg_split('~\s+~', $sentence)); } echo countWords("my name is john"); echo countWords("my name \n\r is john"); echo countWords("my name \n is john"); echo countWords("my name \n\n\r is john"); echo countWords("my \n name is john");
Output for 5.5.0 - 5.5.35, 5.6.0 - 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
44444
preferences:
179.59 ms | 404 KiB | 213 Q