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run code in 300+ PHP versions simultaneously
<?php $a = 'texta'; $b = 'textb'; $a = $a . $b; //textatextb $b = substr($a, 0, strlen($a) - strlen($b)); //texta $a = substr($a, strlen($b)); //textb echo "a = $a; b = $b";
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 - 7.1.33, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
a = textb; b = texta
preferences:
258.65 ms | 406 KiB | 384 Q