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<?php $myArray = [ true, ['abc', 'def', 'DDD'], false, 1, 'ghi', 2, [['HELLO', 'WORLD', true], [123, 456, false, 'false'], ], ]; array_walk_recursive( $myArray, function (&$value) { if($value = 'DDD'){ $value = 'Booom'; } if (is_bool($value)) { $value = 'I AM A BOOLEAN'; } } ); var_dump($myArray);
Output for git.master, git.master_jit, rfc.property-hooks
array(7) { [0]=> string(5) "Booom" [1]=> array(3) { [0]=> string(5) "Booom" [1]=> string(5) "Booom" [2]=> string(5) "Booom" } [2]=> string(5) "Booom" [3]=> string(5) "Booom" [4]=> string(5) "Booom" [5]=> string(5) "Booom" [6]=> array(2) { [0]=> array(3) { [0]=> string(5) "Booom" [1]=> string(5) "Booom" [2]=> string(5) "Booom" } [1]=> array(4) { [0]=> string(5) "Booom" [1]=> string(5) "Booom" [2]=> string(5) "Booom" [3]=> string(5) "Booom" } } }

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