3v4l.org

run code in 300+ PHP versions simultaneously
<?php function var2int($a) { return --(int) $a--; $a--; $a++; return (int) $a; } echo var2int("a")."\n"; echo var2int("?")."\n"; echo var2int(5)."\n"; echo var2int(NULL)."\n";
Output for 5.4.0 - 5.4.27
Parse error: syntax error, unexpected '(int)' (int) (T_INT_CAST) in /in/CNQSE on line 5
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_INT_CAST in /in/CNQSE on line 5
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_INT_CAST, expecting T_STRING or T_VARIABLE or '$' in /in/CNQSE on line 5
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_INT_CAST, expecting T_STRING or T_VARIABLE or '$' in /in/CNQSE on line 5
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_INT_CAST, expecting T_VARIABLE or '$' in /in/CNQSE on line 5
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
Parse error: parse error, unexpected T_INT_CAST, expecting T_VARIABLE or '$' in /in/CNQSE on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/CNQSE on line 5
Process exited with code 255.

preferences:
212.34 ms | 1395 KiB | 117 Q