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run code in 300+ PHP versions simultaneously
<?php class Foo { public $bar = 'barValue'; protected $baz = 'bazValue'; private $tab = 'tabValue'; } $foo = new Foo(); $arrayFoo = (array) $foo; var_dump($arrayFoo['*baz']); var_dump($arrayFoo['Footab']);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.30, 8.2.0 - 8.2.25, 8.3.0 - 8.3.14
Warning: Undefined array key "*baz" in /in/b0A5T on line 14 NULL Warning: Undefined array key "Footab" in /in/b0A5T on line 15 NULL
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined index: *baz in /in/b0A5T on line 14 NULL Notice: Undefined index: Footab in /in/b0A5T on line 15 NULL
Output for 7.3.32 - 7.3.33
NULL NULL

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