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<?php $array = [ ['name'=>'Strawberry','id'=>'10'], ['id'=>'13'], ['name'=>'Apple','id'=>'20'], ['id'=>'28'], ['name'=>'Mandarin','id'=>'30'], ['name'=>'Apple','id'=>'50'], ['name'=>'Strawberry','id'=>'60'], ]; $tmp_arr = []; foreach( $array as $element ) { if( array_key_exists('name', $element) ) { $tmp_arr[$element['name']][] = $element; } else { $tmp_arr[] = [$element]; } } var_dump($tmp_arr); $array = call_user_func_array('array_merge', $tmp_arr); var_dump($array);
Output for 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(5) { ["Strawberry"]=> array(2) { [0]=> array(2) { ["name"]=> string(10) "Strawberry" ["id"]=> string(2) "10" } [1]=> array(2) { ["name"]=> string(10) "Strawberry" ["id"]=> string(2) "60" } } [0]=> array(1) { [0]=> array(1) { ["id"]=> string(2) "13" } } ["Apple"]=> array(2) { [0]=> array(2) { ["name"]=> string(5) "Apple" ["id"]=> string(2) "20" } [1]=> array(2) { ["name"]=> string(5) "Apple" ["id"]=> string(2) "50" } } [1]=> array(1) { [0]=> array(1) { ["id"]=> string(2) "28" } } ["Mandarin"]=> array(1) { [0]=> array(2) { ["name"]=> string(8) "Mandarin" ["id"]=> string(2) "30" } } } Fatal error: Uncaught Error: Cannot use positional argument after named argument in /in/BS6Jc:24 Stack trace: #0 {main} thrown in /in/BS6Jc on line 24
Process exited with code 255.
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(5) { ["Strawberry"]=> array(2) { [0]=> array(2) { ["name"]=> string(10) "Strawberry" ["id"]=> string(2) "10" } [1]=> array(2) { ["name"]=> string(10) "Strawberry" ["id"]=> string(2) "60" } } [0]=> array(1) { [0]=> array(1) { ["id"]=> string(2) "13" } } ["Apple"]=> array(2) { [0]=> array(2) { ["name"]=> string(5) "Apple" ["id"]=> string(2) "20" } [1]=> array(2) { ["name"]=> string(5) "Apple" ["id"]=> string(2) "50" } } [1]=> array(1) { [0]=> array(1) { ["id"]=> string(2) "28" } } ["Mandarin"]=> array(1) { [0]=> array(2) { ["name"]=> string(8) "Mandarin" ["id"]=> string(2) "30" } } } Fatal error: Uncaught Error: Cannot use positional argument after named argument in /in/BS6Jc:24 Stack trace: #0 {main} thrown in /in/BS6Jc on line 24
Process exited with code 255.
Output for 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
array(5) { ["Strawberry"]=> array(2) { [0]=> array(2) { ["name"]=> string(10) "Strawberry" ["id"]=> string(2) "10" } [1]=> array(2) { ["name"]=> string(10) "Strawberry" ["id"]=> string(2) "60" } } [0]=> array(1) { [0]=> array(1) { ["id"]=> string(2) "13" } } ["Apple"]=> array(2) { [0]=> array(2) { ["name"]=> string(5) "Apple" ["id"]=> string(2) "20" } [1]=> array(2) { ["name"]=> string(5) "Apple" ["id"]=> string(2) "50" } } [1]=> array(1) { [0]=> array(1) { ["id"]=> string(2) "28" } } ["Mandarin"]=> array(1) { [0]=> array(2) { ["name"]=> string(8) "Mandarin" ["id"]=> string(2) "30" } } } array(7) { [0]=> array(2) { ["name"]=> string(10) "Strawberry" ["id"]=> string(2) "10" } [1]=> array(2) { ["name"]=> string(10) "Strawberry" ["id"]=> string(2) "60" } [2]=> array(1) { ["id"]=> string(2) "13" } [3]=> array(2) { ["name"]=> string(5) "Apple" ["id"]=> string(2) "20" } [4]=> array(2) { ["name"]=> string(5) "Apple" ["id"]=> string(2) "50" } [5]=> array(1) { ["id"]=> string(2) "28" } [6]=> array(2) { ["name"]=> string(8) "Mandarin" ["id"]=> string(2) "30" } }

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