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<?php function array_flatten($array = null) { $result = array(); if (!is_array($array)) { $array = func_get_args(); } foreach ($array as $key => $value) { if (is_array($value)) { $result = array_merge($result, array_flatten($value)); } else { $result = array_merge($result, array($key => $value)); } } return $result; } $myarray = array('a', ['bla' => 0], 'b',[0,1], [0=>7], array(array(array('x'), 'y', 'z')), array(array('p'))); $res = array_flatten($myarray); var_dump( $res); $string_res = array_flatten( 'cramp' ); var_dump( $string_res );
Output for 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, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
array(10) { [0]=> string(1) "a" ["bla"]=> int(0) [1]=> string(1) "b" [2]=> int(0) [3]=> int(1) [4]=> int(7) [5]=> string(1) "x" [6]=> string(1) "y" [7]=> string(1) "z" [8]=> string(1) "p" } array(1) { [0]=> string(5) "cramp" }
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 array(10) { [0]=> string(1) "a" ["bla"]=> int(0) [1]=> string(1) "b" [2]=> int(0) [3]=> int(1) [4]=> int(7) [5]=> string(1) "x" [6]=> string(1) "y" [7]=> string(1) "z" [8]=> string(1) "p" } array(1) { [0]=> string(5) "cramp" }
preferences:
263.44 ms | 402 KiB | 223 Q