Thesortfunction sorts an array in ascending order, re-indexing numeric keys. basic_sort.php <?php declare(strict_types=1); $numbers = [3, 1, 4, 1, 5]; sort($numbers); print_r($numbers); This sorts$numbersin ascending order. The original array [3, 1, 4, 1, 5] becomes [1, ...
The letter "a" tells PHP that the array is an Associative one. (If you don't have the "a" before "sort", your key names will turn in to numbers!). The "a" also tells PHP to sort by the Value, and NOT by the key. In our script above, the surnames will be sorted. If you...
The sorting is done in-place. Syntax: krsort(array &$array, int $flags = SORT_REGULAR): bool. The optional $flags parameter modifies the sorting behavior. Basic krsort ExampleThis demonstrates sorting an associative array by keys in reverse order. basic_krsort.php ...
Similarly you can sort the numeric elements of the array in ascending order.ExampleRun this code » <?php // Define array $numbers = array(1, 2, 2.5, 4, 7, 10); // Sorting and printing array sort($numbers); print_r($numbers); ?>...
2.1. Sorting a Simple Array To start, let’s consider a straightforward example of sorting a simple indexed array: php $fruits = array("apple", "banana", "cherry", "date"); array_multisort($fruits); print_r($fruits); In this case, we’re sorting the $fruits array in ascending orde...
PHP has several functions that deal with sorting arrays, and this document exists to help sort it all out. The main differences are: Some sort based on thearraykeys, whereas others by the values:$array['key'] = 'value'; Whether or not the correlation between the keys and values are mai...
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, ...
In its place are asort() and ksort(), which are very similar- asort() sorts an array by its values, whereas ksort() sorts an array by its keys. The difference can be seen clearly in this next script: <?php $capitalcities['England'] = 'London'; $capitalcities['Wales'] = '...
SORT_STRING - all array elements will be sorted as strings. Here's an example of the three options: < ?php echo ' '; $a = array(3, 1, '01', '011', '0001', 'a', 'a0', 'b0', '0b0', '1a1', '0a0', 'xyz', '99a', 991, '992'); ...
Sorting an Array (PHP Cookbook)David SklarAdam Trachtenberg