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Make a string lowercase
String Functions
PHP Manual

strtolower

(PHP 4, PHP 5)

strtolowerMake a string lowercase

Description

string strtolower ( string $str )

Returns string with all alphabetic characters converted to lowercase.

Note that 'alphabetic' is determined by the current locale. This means that in i.e. the default "C" locale, characters such as umlaut-A (Ä) will not be converted.

Parameters

str

The input string.

Return Values

Returns the lowercased string.

Examples

Example #1 strtolower() example

<?php
$str 
"Mary Had A Little Lamb and She LOVED It So";
$str strtolower($str);
echo 
$str// Prints mary had a little lamb and she loved it so
?>

Notes

Note: This function is binary-safe.

See Also


String Functions
PHP Manual