3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = null; $c = 'c' if ( $b = $a ) { echo '1'; } elseif ( $b = $c ) { echo '2'; } else { echo '3'; $b = 'b'; } echo $b;
Output for 5.4.0 - 5.4.17
Parse error: syntax error, unexpected 'if' (T_IF) in /in/NJb8R on line 5
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_IF in /in/NJb8R on line 5
Process exited with code 255.
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175.91 ms | 1395 KiB | 53 Q