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<?php if (true) { function test_func1($string) { return $string; } $value = test_func1("defined before"); } echo $value; echo "\n---\n"; if (true) { $value = test_func2("defined after"); function test_func2($string) { return $string; } } echo $value;
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
defined before --- Fatal error: Uncaught Error: Call to undefined function test_func2() in /in/oo9iu:14 Stack trace: #0 {main} thrown in /in/oo9iu on line 14
Process exited with code 255.

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