3v4l.org

run code in 300+ PHP versions simultaneously
<?php $21 = 3; echo $21;
Output for 5.4.0 - 5.4.28
Parse error: syntax error, unexpected '21' (T_LNUMBER), expecting variable (T_VARIABLE) or '$' in /in/hfY0n on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_LNUMBER, expecting T_VARIABLE or '$' in /in/hfY0n on line 2
Process exited with code 255.
preferences:
184.01 ms | 1395 KiB | 65 Q