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<?php $array = [ ['number' => 2, 'letter' => 'a', 'price' => 9.99], ['number' => 3, 'letter' => 'b', 'price' => 9.99], ['number' => 1, 'letter' => 'c', 'price' => 9.50], ['number' => 1, 'letter' => 'd', 'price' => 10], ['number' => 1, 'letter' => 'e', 'price' => 9.99], ]; $sortingParams[] = array_column($array, 'number'); // 1-dimensional $sortingParams[] = SORT_ASC; // this is omittable as well because it is assumed (just for demo) $sortingParams[] = array_column($array, 'price'); // 1-dimensional $sortingParams[] = SORT_DESC; $sortingParams[] = SORT_NUMERIC; // this is omittable as well because it is assumed (just for demo) $sortingParams[] = &$array; // this is the actual master array which should be modified array_multisort(...$sortingParams); // unpack with splat operator var_export($array);
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 ( 0 => array ( 'number' => 1, 'letter' => 'd', 'price' => 10, ), 1 => array ( 'number' => 1, 'letter' => 'e', 'price' => 9.99, ), 2 => array ( 'number' => 1, 'letter' => 'c', 'price' => 9.5, ), 3 => array ( 'number' => 2, 'letter' => 'a', 'price' => 9.99, ), 4 => array ( 'number' => 3, 'letter' => 'b', 'price' => 9.99, ), )
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 ( 0 => array ( 'number' => 1, 'letter' => 'd', 'price' => 10, ), 1 => array ( 'number' => 1, 'letter' => 'e', 'price' => 9.99, ), 2 => array ( 'number' => 1, 'letter' => 'c', 'price' => 9.5, ), 3 => array ( 'number' => 2, 'letter' => 'a', 'price' => 9.99, ), 4 => array ( 'number' => 3, 'letter' => 'b', 'price' => 9.99, ), )
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33
array ( 0 => array ( 'number' => 1, 'letter' => 'd', 'price' => 10, ), 1 => array ( 'number' => 1, 'letter' => 'e', 'price' => 9.9900000000000002, ), 2 => array ( 'number' => 1, 'letter' => 'c', 'price' => 9.5, ), 3 => array ( 'number' => 2, 'letter' => 'a', 'price' => 9.9900000000000002, ), 4 => array ( 'number' => 3, 'letter' => 'b', 'price' => 9.9900000000000002, ), )
Output for 5.5.0 - 5.5.38
Parse error: syntax error, unexpected '.' in /in/dbq2F on line 17
Process exited with code 255.
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '.', expecting ')' in /in/dbq2F on line 17
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/dbq2F 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, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/dbq2F on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/dbq2F on line 2
Process exited with code 255.

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