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run code in 150+ php & hhvm versions
Bugs & Features
<?php $installedPhpVersion = phpversion(); var_dump(version_compare($installedPhpVersion, '5.4.1', '>=')); var_dump(version_compare($installedPhpVersion, '5.4.0', '<')); $limit = 1000; $objects = new SplObjectStorage; for($i = 0; $i < $limit; $i++){ $object = new StdClass; if(isset($objects[$object])){ die("this should never happen, but did after $i iteration"); } $objects[$object] = 1; } echo 'ok'; ?>
Output for 5.4.1 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
bool(true) bool(false) ok
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.4.0
bool(false) bool(false) this should never happen, but did after 510 iteration
Output for 5.3.0 - 5.3.29
bool(false) bool(true) ok
Output for 5.1.0 - 5.2.17
bool(false) bool(true) Fatal error: Cannot use object of type SplObjectStorage as array in /in/F7Pkc on line 10
Process exited with code 255.
Output for 5.0.0 - 5.0.5
bool(false) bool(true) Fatal error: Class 'SplObjectStorage' not found in /in/F7Pkc on line 6
Process exited with code 255.
Output for 4.3.2 - 4.4.9
bool(false) bool(true) Fatal error: Cannot instantiate non-existent class: splobjectstorage in /in/F7Pkc on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1
bool(false) bool(true) Fatal error: Cannot instantiate non-existent class: splobjectstorage in /in/F7Pkc on line 6