Syntax: rsort(array &$array, int $flags = SORT_REGULAR): bool. The function returns true on success, false on failure. The array is passed by reference. Basic rsort ExampleThis demonstrates sorting a simple num
In this chapter, we will go through the following PHP array sort functions: sort() - sort arrays in ascending order rsort() - sort arrays in descending order asort() - sort associative arrays in ascending order, according to the value ksort() - sort associative arrays in ascending order,...
sort(array &$array, int $flags = SORT_REGULAR): true 对array 本身按照值(value)升序排序。 注意: 如果两个成员完全相同,那么它们将保持原来的顺序。 在 PHP 8.0.0 之前,它们在排序数组中的相对顺序是未定义的。 注意: 此函数为 array 中的元素赋与新的键名。这将删除原有的键名,而不是仅仅将键名...
array1_sort_order The order used to sort the previous array argument. ValueConstantDescription 3 SORT_DESC sort descending 4 SORT_ASC sort ascending This argument can be swapped with array1_sort_flags or omitted entirely, in which case SORT_ASC is assumed. ...
<?php $a1=array("Dog","Dog","Cat"); $a2=array("Pluto","Fido","Missy"); array_multisort($a1,SORT_ASC,$a2,SORT_DESC); print_r($a1); print_r($a2); ?> Try it Yourself » Example Merge two arrays and sort them as numbers, in descending order: ...
$a2=array("Pluto","Fido","Missy"); array_multisort($a1,SORT_ASC,$a2,SORT_DESC); print_r($a1); print_r($a2); ?> Run example » Example 4 Merge two arrays and sort them as numbers, in descending order: <?php $a1=array(1,30,15,7,25); ...
<?php $cars =array("Volvo","BMW","Toyota"); sort($cars); ?> Try it Yourself » Definition and Usage The sort() function sorts an indexed array in ascending order. Tip:Use thersort()function to sort an indexed array in descending order. ...
Discover the power of PHP's array_multisort() function as we explore its versatility, performance, and various use cases in this ultimate sorting tool.
// as of PHP 5.5.0 you can use array_column() instead of the above code$volume = array_column($data, 'volume');$edition = array_column($data, 'edition');// Sort the data with volume descending, edition ascending// Add $data as the last parameter, to sort by the common keyarray...
sort modes:* - random: random array order* - reverse: last entry will be first, first the last.* - asce: sort array in ascending order.* - desc: sort array in descending order.* - natural: sort with a 'natural order' algorithm. See PHPs natsort() function.** In addition, this ...