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(PHP 4, PHP 5)
strtolower — Make a string lowercase
$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.
str
The input string.
Returns the lowercased string.
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
?>
Note: This function is binary-safe.