php order array



commenting on note php.net/manual/en/function.sort.php# : sorting an array of objects will not always yield the results you desire. as pointed out correctly in the note above, sort() sorts the array by value of the first member variable. however, you can not always assume the order of your member variables! stabilizing the sort functions (in this case, usort). <?php function stable_usort(&$array, $cmp) { $i = ; $array = array_map(function($elt)use(&$i) { return [$i, $elt]; }, $array); usort($array, function($a, $b)use($cmp) { return $cmp($a[], $b[]) ?: ($a[] $b[]); }); $array = array_column($array, ); } ?> tags each array element  the elements in an array can be sorted in alphabetical or numerical order, descending or ascending. php sort functions for arrays. in this chapter, we will go through the following php array sort functions: sort() sort arrays in ascending order; rsort() sort arrays in descending order; asort() sort associative arrays in 

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try a usort : if you are still on php . or earlier, you'll have to define a sorting function first: function sortbyorder($a, $b) { return $a['order'] $b['order']; } usort($myarray, 'sortbyorder');. starting in php ., you can use an anonymous function: usort($myarray, function($a, $b) { return $a['order'] $b['order']; });. one of php's most powerful data types is the array. it can hold speaking of sorting, when sorting an array the straight forward sorting functions are only for sorting by the keys or by the values. what about. what about when you have an array of arrays and want to sort be a specific key in the array? imagine you had an array like the following: original array $user = array( 'age' => , '' => 'johndoe', 'last_login' => '', 'name' => 'john doe' );. and you wanted to sort its keys based on a custom sort order supplied in another array, for example: sort order we want $order 

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sorting arrays using php. sort an associative array on any field or multiple fields (multisort). order alphabetically or numerically in ascending or descending order. in this article we will see how to sort a multidimension array by value of one of the keys of the array. we can use a few different methods to do this. on. it is often necessary to arrange the elements in an array in numerical order from highest to lowest values (descending order) or vice versa (ascending order). if the array contains string values, alphabetical order may be needed. sorting a onedimensional arrays is quite easy. sorting numerically indexed arrays; sorting  learn how to sort arrays quickly and simply in php. this tutorial shows you how to sort indexed, associative and multidimensional arrays using some handy php array functions.

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