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run code in 300+ PHP versions simultaneously
<?php namespace foo; class M { protected $A = 'foo'; private $B = 'bar'; public Function dump () { var_dump ( array_keys (get_object_vars ($this)), array_keys (call_user_func ('get_object_vars', $this)) ); return $this; } } var_dump (get_object_vars ((new M)->dump ()));
based on 94ES3
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.21, 7.4.0 - 7.4.9, 8.0.0alpha1 - beta1
array(2) { [0]=> string(1) "A" [1]=> string(1) "B" } array(2) { [0]=> string(1) "A" [1]=> string(1) "B" } array(0) { }
Output for 5.6.0 - 5.6.29, 7.0.0 - 7.0.20
array(2) { [0]=> string(1) "A" [1]=> string(1) "B" } array(0) { } array(0) { }