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run code in 300+ PHP versions simultaneously
<?php class Foo { } $a = new Foo(); $b = array(); var_dump(isset($a->b->c)); var_dump(isset($b['b']->d['c']));
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
bool(false) bool(false)
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.5
bool(false) Notice: Trying to get property of non-object in /in/UtA8h on line 7 bool(false)
preferences:
227.14 ms | 402 KiB | 313 Q