3v4l.org

run code in 300+ PHP versions simultaneously
<?php ${0x0} = 'hello'; echo $0;
Output for 5.4.0 - 5.4.18
Parse error: syntax error, unexpected '0' (T_LNUMBER), expecting variable (T_VARIABLE) or '$' in /in/qdRnn on line 4
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_LNUMBER, expecting T_VARIABLE or '$' in /in/qdRnn on line 4
Process exited with code 255.
preferences:
180.63 ms | 1395 KiB | 54 Q