3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class Collection extends ArrayObject { protected $iterator; public function getIterator() { // Well, this is a heavy object to make, let's memoize it if (!isset($this->iterator)) { $this->iterator = new ArrayIterator($this); } return $this->iterator; } } gc_enable(); foreach (range(1, 5000000) as $i) { $collection = new Collection(array( 'foo', 'bar' )); foreach ($collection as $item) { echo memory_get_usage() . "\n"; ob_flush(); } unset($collection); } echo "done\n";
Output for 7.0.0 - 7.1.0
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 268435464 bytes) in /in/A0nKD on line 18
Process exited with code 255.
Output for 5.3.0 - 5.6.28
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 32 bytes) in /in/A0nKD on line 18
Process exited with code 255.
Output for 5.0.0 - 5.2.17
Fatal error: Call to undefined function gc_enable() in /in/A0nKD on line 16
Process exited with code 255.
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/A0nKD on line 4
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/A0nKD on line 4
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/A0nKD on line 4
Process exited with code 255.