3v4l.org

run code in 300+ PHP versions simultaneously
<?php $number1 = 10; $number2 = 9; if (1==1) { alert 'What is your name?'; echo 'Inside'; } ?>
Output for 5.4.0 - 5.4.18, 5.5.0 - 5.5.2
Parse error: syntax error, unexpected ''What is your name?'' (T_CONSTANT_ENCAPSED_STRING) in /in/YXpWN on line 7
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_CONSTANT_ENCAPSED_STRING in /in/YXpWN on line 7
Process exited with code 255.

preferences:
173.6 ms | 1395 KiB | 57 Q