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run code in 150+ php & hhvm versions
Bugs & Features
<?php class myObject { protected $objects = array(); public function add(myObject $object) { $this->objects[] = $object; } } $foo = new myObject; while (true) $foo->add($foo);
Output for 7.0.0 - 7.1.0
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 67108872 bytes) in /in/iidlY on line 9
Process exited with code 255.
Output for 5.4.0 - 5.6.28
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 72 bytes) in /in/iidlY on line 9
Process exited with code 255.
Output for 5.2.1 - 5.3.29
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 71 bytes) in /in/iidlY on line 9
Process exited with code 255.
Output for 5.0.0 - 5.2.0

Process exited with code 137.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/iidlY on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/iidlY on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/iidlY on line 5
Process exited with code 255.