3v4l.org

run code in 300+ PHP versions simultaneously
<?php function main() { $b = 12; $a = array('abc'=>65,'bcd'=>66,'cde'=>67,'def'=>68,'efg'=>69,'quux'=>&$b) $x = serialize($a); for ($i = 0; $i < 1000000; $i++) { $y = unserialize($x); } var_dump($x); var_dump($y); } main();
Output for 5.4.0 - 5.4.35
Parse error: syntax error, unexpected '$x' (T_VARIABLE) in /in/JqVCv on line 6
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_VARIABLE in /in/JqVCv on line 6
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, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_VARIABLE in /in/JqVCv on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/JqVCv on line 6
Process exited with code 255.
preferences:
213.38 ms | 1395 KiB | 125 Q