3v4l.org

run code in 300+ PHP versions simultaneously
<?php $pf = array( 'a' => 1, 'b' => 2 ); print_r ($pf=>'a'); print_r( $pf); ?>
Output for 5.4.0 - 5.4.28
Parse error: syntax error, unexpected '=>' (T_DOUBLE_ARROW) in /in/ST10A on line 5
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_DOUBLE_ARROW in /in/ST10A on line 5
Process exited with code 255.
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199.37 ms | 1395 KiB | 65 Q