3v4l.org

run code in 300+ PHP versions simultaneously
<?php $num1 = "80" $srbytes = "\x{$num1}\x3e\x00\x00"; $array1 = unpack("v",$srbytes); var_dump($array1);
Output for 5.6.0 - 5.6.25, 7.0.0 - 7.0.10
Parse error: syntax error, unexpected '$srbytes' (T_VARIABLE) in /in/EHcVg on line 5
Process exited with code 255.
preferences:
185.86 ms | 1395 KiB | 44 Q