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<?php $arr = array(1,2,3); function foo($arr) { $result = array(); foreach($arr as $el) { $result[] = $el * 2; } return $result; } function foo2($arr) { $result = array(); foreach($arr as $el) { yield ($el * 2); } } echo foo2(); echo foo2();
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught ArgumentCountError: Too few arguments to function foo2(), 0 passed in /in/uD0FN on line 23 and exactly 1 expected in /in/uD0FN:16 Stack trace: #0 /in/uD0FN(23): foo2() #1 {main} thrown in /in/uD0FN on line 16
Process exited with code 255.

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