3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=$_GET['fuck']; $b=$_GET['you']; if(is_string($a)); echo " $a good 1"; else if(is_string($b)); echo "this $b 2"; else echo "$a $b 3"; ?>
Output for 5.4.0 - 5.4.16
Parse error: syntax error, unexpected 'else' (T_ELSE) in /in/LRd9j on line 6
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.26
Parse error: syntax error, unexpected T_ELSE in /in/LRd9j on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_ELSE in /in/LRd9j on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/LRd9j on line 6
Process exited with code 255.
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202.11 ms | 1395 KiB | 104 Q