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run code in 300+ PHP versions simultaneously
<?php $string = "1,2,3"; $array = explode(',', $string); var_dump($array); echo "\n---\n"; array_walk($array, function(int &$int){;}); var_dump($array); echo "\n---\n"; var_dump( array_map(function(int $i){ return $i; }, explode(',', $string)) ); echo "\n---\n"; var_dump( array_map(fn(int $i) => $i, explode(',', $string)) );
Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.13
array(3) { [0]=> string(1) "1" [1]=> string(1) "2" [2]=> string(1) "3" } --- array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) } --- array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) } --- array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) }
Output for 7.3.0 - 7.3.33
Parse error: syntax error, unexpected '$i' (T_VARIABLE), expecting ')' in /in/sd2cp on line 18
Process exited with code 255.
Output for 7.2.0 - 7.2.34
Parse error: syntax error, unexpected '$i' (T_VARIABLE), expecting ',' or ')' in /in/sd2cp on line 18
Process exited with code 255.
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