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strtolower

Returns string with all alphabetic characters converted to lowercase. Test strtolower online.

string strtolower ( string $string )

PHP Documentation by the PHP Documentation Group


strtolower

(PHP 4, PHP 5, PHP 7)

strtolowerMake a string lowercase

Description

string strtolower ( string $string )

Returns string with all alphabetic characters converted to lowercase.

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

Parameters

string

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


PHP Documentation

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