3v4l.org

run code in 300+ PHP versions simultaneously
<?php print_r(array_map(function(w){return strtoupper(trim(w));}, explode(',','one, void, see')));
Output for 5.4.20
Parse error: syntax error, unexpected ')', expecting '&' or variable (T_VARIABLE) in /in/JJjF6 on line 2
Process exited with code 255.
Output for 5.4.0 - 5.4.19
Parse error: syntax error, unexpected ')', expecting '&' or variable (T_VARIABLE) in /in/bcJb2 on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected ')', expecting '&' or T_VARIABLE in /in/bcJb2 on line 2
Process exited with code 255.

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