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<?php function flatten(array $array) { $return = array(); array_walk_recursive($array, function($a, $b) use (&$return) { $return[$b] = $a; }); return $return; } $array = array( 1 => array( 5 => array( 3 => 'testvalue1' ) ), 2 => array( 6 => 'testvalue2' ), 3 => 'testvalue3', 4 => 'testvalue4', ); var_dump(flatten($array));
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(3) { [3]=> string(10) "testvalue3" [6]=> string(10) "testvalue2" [4]=> string(10) "testvalue4" }
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/7Zlum on line 4
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/7Zlum on line 2
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_ARRAY, expecting ')' in /in/7Zlum on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_ARRAY, expecting ')' in /in/7Zlum on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/7Zlum on line 2
Process exited with code 255.
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