The function strtolower() that converts php strings to lowercase

Example

Convert all characters to lowercase:

<?php
echo strtolower("Hello WORLD.");
?>

Definition and usage

strtolower() function converts a string to lowercase.

Note: This function is binary safe.

Related functions:

• strtoupper() - Convert the string to uppercase

• lcfirst() - Convert the string to uppercase Convert the first character in the string to lowercase

• ucfirst() - Convert the first character in the string to uppercase

• ucwords() - Convert the first character in the string to uppercase Convert the first character of each word in the string to uppercase

Syntax

strtolower(string)

Parameters	Description
string	Required. Specifies the string to be converted.

Technical details

Return value:	Returns the string converted to lowercase.
PHP version:	4+

##strtolower function: This function will pass in the string parameter All characters are converted to lowercase and put back into the string in their minor form.

Example:

<?php
    $str = "I want To FLY";
    $str = strtolower($str);
    echo $str;
//by www.jbxue.com
?>

Output:

i want to fly

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