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<?php $array = array(1, "apples",2, "oranges",3, "plums"); $filtered = array_filter($array, 'ctype_alpha'); $callback = function($item) { return strtoupper($item); }; $nu = array_map( "strtoupper", $filtered); var_dump($nu); ?>
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: ctype_alpha(): Argument of type int will be interpreted as string in the future in /in/r8Cve on line 3 Deprecated: ctype_alpha(): Argument of type int will be interpreted as string in the future in /in/r8Cve on line 3 Deprecated: ctype_alpha(): Argument of type int will be interpreted as string in the future in /in/r8Cve on line 3 array(3) { [1]=> string(6) "APPLES" [3]=> string(7) "ORANGES" [5]=> string(5) "PLUMS" }

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