3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ ["john", "alex", "tyler"], ["1", "2", "3"], ["brown", "yellow", "green"] ]; var_export( array_map(fn(...$elements) => implode(",", $elements), ...$array) );
Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
array ( 0 => 'john,1,brown', 1 => 'alex,2,yellow', 2 => 'tyler,3,green', )
Output for 7.3.0 - 7.3.33
Parse error: syntax error, unexpected '=>' (T_DOUBLE_ARROW), expecting ')' in /in/mVIF5 on line 9
Process exited with code 255.
Output for 7.2.0 - 7.2.33
Parse error: syntax error, unexpected '=>' (T_DOUBLE_ARROW), expecting ',' or ')' in /in/mVIF5 on line 9
Process exited with code 255.

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