(PHP 4, PHP 5)
sort — Sort an array
This function sorts an array. Elements will be arranged from lowest to highest when this function has completed.
The input array.
The optional second parameter sort_flags may be used to modify the sorting behavior using these values:
Sorting type flags:
Returns TRUE on success or FALSE on failure.
Example #1 sort() example
<?php
$fruits = array("lemon", "orange", "banana", "apple");
sort($fruits);
foreach ($fruits as $key => $val) {
echo "fruits[" . $key . "] = " . $val . "\n";
}
?>
The above example will output:
fruits[0] = apple fruits[1] = banana fruits[2] = lemon fruits[3] = orange
The fruits have been sorted in alphabetical order.
Note: This function assigns new keys to the elements in array. It will remove any existing keys that may have been assigned, rather than just reordering the keys.
Note: Like most PHP sorting functions, sort() uses an implementation of » Quicksort.
Be careful when sorting arrays with mixed types values because sort() can produce unpredictable results.