3v4l.org

run code in 300+ PHP versions simultaneously
<?php define('$', 1); echo $;
Output for 5.4.0 - 5.4.22
Parse error: syntax error, unexpected ';', expecting variable (T_VARIABLE) or '$' in /in/65EGb on line 4
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected ';', expecting T_VARIABLE or '$' in /in/65EGb on line 4
Process exited with code 255.
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173.87 ms | 1399 KiB | 58 Q