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run code in 150+ php & hhvm versions
Bugs & Features
<?php function create($foo) { $bar = new stdClass; $foo->bar = $bar; $bar->foo = $foo; } gc_collect_cycles(); create(new stdClass()); var_dump(gc_collect_cycles()); // expected '2', actual '2' create(new ArrayObject()); var_dump(gc_collect_cycles()); // expected '2', actual '0'
Output for 5.5.37 - 5.5.38, 5.6.23 - 5.6.28, 7.0.0 - 7.1.0
int(2) int(3)
Output for hhvm-3.10.0 - 3.12.0
int(0) int(0)
Output for 5.3.0 - 5.5.36, 5.6.0 - 5.6.22
int(2) int(0)
Output for 5.0.0 - 5.0.5, 5.1.1 - 5.2.17
Fatal error: Call to undefined function gc_collect_cycles() in /in/LQ2Uv on line 9
Process exited with code 255.
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/LQ2Uv on line 15
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: gc_collect_cycles() in /in/LQ2Uv on line 9
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: gc_collect_cycles() in /in/LQ2Uv on line 9
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: gc_collect_cycles() in /in/LQ2Uv on line 9