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arsort() function in PHP
The arsort() function sorts an array in reverse order and maintain index association.
Syntax
arsort(arr, compare)
Parameters
arr − The specified array.
compare − Specifies how to compare the array elements/items. Possible values −
SORT_STRING - Compare items as strings
SORT_REGULAR - Compare items without changing types
SORT_NUMERIC - Compare items numerically
SORT_LOCALE_STRING - Compare items as strings, based on current local.
SORT_NATURAL - Compare items as strings using natural ordering
Return
The arsort() function returns TRUE on success and FALSE on failure.
Example
The following is an example −
<?php
$rank = array("Australia"=>2,"India"=>5,"Bangladesh"=>9);
arsort($rank);
foreach($rank as $akey=>$avalue) {
echo "Key=" . $akey . " : Value=" . $avalue;
echo "<br>";
}
?>Output
The following is the output −
Key=Bangladesh : Value=9 Key=India : Value=5 Key=Australia : Value=2
Updated on: 24-Jun-2020
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