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PHP natcasesort() Function
PHP natcasesort() Function
PHP natcasesort() function is used to sort any given input array by using a "natural order" algorithm. It is case insensitive. It accepts only a single parameter $array that is the given input array. It returns a boolean value TRUE on success and FALSE on failure.
Syntax:
natcasesort($array);
Parameter Values
| Parameter | Description |
|---|---|
| array | This is a required parameter. It defines the array to sort. |
Here is an example of natcasesort() function in PHP:
<html>
<body>
<pre>
<?php
$x = array("a15","A10","a1","A22","a2");
natcasesort($x);
echo "Natural order case insensitve: ";
print_r($x);
?>
</pre>
</body>
</html>
Output:
Natural order case insensitve: Array
(
[2] => a1
[4] => a2
[1] => A10
[0] => a15
[3] => A22
)
Natural order case insensitve: Array
(
[2] => a1
[4] => a2
[1] => A10
[0] => a15
[3] => A22
)
Example 2:
<html>
<body>
<pre>
<?php
$x = array("b15","A10","a1","B22","a2","c0","a50","A100");
natsort($x);
echo "Natural order: ";
print_r($x);
echo "<br />";
natcasesort($x);
echo "Natural order case insensitve: ";
print_r($x);
?>
</pre>
</body>
</html>
Output:
Natural order: Array
(
[1] => A10
[7] => A100
[3] => B22
[2] => a1
[4] => a2
[6] => a50
[0] => b15
[5] => c0
)
Natural order case insensitve: Array
(
[2] => a1
[4] => a2
[1] => A10
[6] => a50
[7] => A100
[0] => b15
[3] => B22
[5] => c0
)
Natural order: Array
(
[1] => A10
[7] => A100
[3] => B22
[2] => a1
[4] => a2
[6] => a50
[0] => b15
[5] => c0
)
Natural order case insensitve: Array
(
[2] => a1
[4] => a2
[1] => A10
[6] => a50
[7] => A100
[0] => b15
[3] => B22
[5] => c0
)
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