3v4l.org

run code in 300+ PHP versions simultaneously
<?php // Everything you enter here will be executed by our servers. Try it! $a = ['a' => 1, 'c' => 3', 'b' => 2]; var_dump($a);
Output for 5.4.0 - 5.4.17
Parse error: syntax error, unexpected '', '' (T_CONSTANT_ENCAPSED_STRING), expecting ']' in /in/6TvDX on line 4
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected '[' in /in/6TvDX on line 4
Process exited with code 255.
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171.55 ms | 1399 KiB | 53 Q