3v4l.org

run code in 300+ PHP versions simultaneously
<?php $o = (object) array('x' => null); var_dump(isset($o->x)); var_dump(property_exists($o, 'x'));
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
bool(false) bool(true)
Output for 5.0.0 - 5.0.5
bool(false) Fatal error: Call to undefined function property_exists() in /in/NeqGl on line 5
Process exited with code 255.
Output for 4.4.5 - 4.4.9
bool(false) Fatal error: Call to undefined function: property_exists() in /in/NeqGl on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
bool(false) Fatal error: Call to undefined function: property_exists() in /in/NeqGl on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1
bool(false) Fatal error: Call to undefined function: property_exists() in /in/NeqGl on line 5
preferences:
145.83 ms | 409 KiB | 5 Q