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run code in 200+ php & hhvm versions
Bugs & Features
<?php class A { protected $x = array(); public function __construct() { $this->x = range(1,10000); } } $a = array(); for ($i = 0; $i < 2000; $i++) { $a []= new A(); }

Shows result from various feature-branches currently under review from the php developers. Contact me to have additional branches featured.

Output for Typed properties v2
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 528384 bytes) in /in/La7AC on line 5
Output for Arrow functions
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 528384 bytes) in /in/La7AC on line 5
Output for Object typehint
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 528384 bytes) in /in/La7AC on line 5
Output for Array change keys
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 528384 bytes) in /in/La7AC on line 5
Output for Lexical anon
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 524288 bytes) in /in/La7AC on line 5

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page