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<?php $arr = array('a', 'b', 'c', 'd', 'e', 'f'); $str = implode(array_map(function($v,$k){if($k%3==0)$v.=';';}, array_reverse($arr))); echo $str;
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught ArgumentCountError: Too few arguments to function {closure}(), 1 passed and exactly 2 expected in /in/K5Kqt:3 Stack trace: #0 [internal function]: {closure}('f') #1 /in/K5Kqt(3): array_map(Object(Closure), Array) #2 {main} thrown in /in/K5Kqt on line 3
Process exited with code 255.

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