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<?php $array = array(1, "apples",2, "oranges",3, "plums"); // array_filter() $filtered = array_filter( $array, "ctype_alpha"); $nu = array_map( "strtoupper", $filtered); // array_walk $f = function(&$item,$key,$prefix) { $item = "$key: $prefix: $item"; }; array_walk($nu, $f,"fruit"); var_dump($nu); ?>
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Deprecated: ctype_alpha(): Argument of type int will be interpreted as string in the future in /in/uNEVV on line 5 Deprecated: ctype_alpha(): Argument of type int will be interpreted as string in the future in /in/uNEVV on line 5 Deprecated: ctype_alpha(): Argument of type int will be interpreted as string in the future in /in/uNEVV on line 5 array(3) { [1]=> string(16) "1: fruit: APPLES" [3]=> string(17) "3: fruit: ORANGES" [5]=> string(15) "5: fruit: PLUMS" }
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
array(3) { [1]=> string(16) "1: fruit: APPLES" [3]=> string(17) "3: fruit: ORANGES" [5]=> string(15) "5: fruit: PLUMS" }
preferences:
197.99 ms | 403 KiB | 301 Q