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PHP Function ksort()
Syntax
ksort ( $array, $sort_flag );
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Definition and Usage
The ksort() function sorts an array by key, maintaining key to data correlations. This is useful mainly for associative arrays.
Paramters
Parameter | Description |
array | Required. Specifies an array |
sort_flag |
Optional. Specifies how to sort the array values. Possible values:
- SORT_REGULAR - Default. Treat values as they are (don't change types)
- SORT_NUMERIC - Treat values numerically
- SORT_STRING - Treat values as strings
- SORT_LOCALE_STRING - Treat values as strings, based on local settings
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Return Value
This function returns TRUE on success, or FALSE on failure.
Example
Try out following example:
<?php
$transport = array( a=>'foot', b=>'bike', c=>'car', d=>'plane');
ksort($transport);
print_r($transport);
?>
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This will produce following result:
Array ( [a] => foot [b] => bike [c] => car [d] => plane )
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