3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array ( 0 => book1.pdf 1 => book11.pdf 2 => book12.pdf 3 => book2.pdf ) ; print_r(sort($a));
Output for 5.4.0 - 5.4.20
Parse error: syntax error, unexpected '1' (T_LNUMBER), expecting ')' in /in/dC7pU on line 6
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_LNUMBER, expecting ')' in /in/dC7pU on line 6
Process exited with code 255.

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