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<?php function filter() { return array_filter(array('foo' => 42, 'bar' => 50), function ($val) { return $val == 50; }); } function map() { return array_map(function ($val) { return $val*2; }, array('foo' => 84, 'bar' => 25)); } for ($i = 0; $i < 100; $i++) { filter(); map(); } var_dump(filter(), bar());
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 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
Fatal error: Uncaught Error: Call to undefined function bar() in /in/7NQMs:15 Stack trace: #0 {main} thrown in /in/7NQMs on line 15
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Fatal error: Call to undefined function bar() in /in/7NQMs on line 15
Process exited with code 255.

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