How to convert string to lowercase in php

The way PHP converts a string into lowercase is: it can be achieved through the strtolower() function. This function converts a string to lowercase. Function syntax: [strtolower(string)], the specific usage method is [strtolower($string);].

(Recommended tutorial: php tutorial)

Function introduction:

strtolower() function Convert the string to lowercase.

Syntax:

strtolower(string)

Parameter introduction:

• string Required parameters. Specifies the string to be converted.

Return value:

Returns the string converted to lowercase.

Code implementation:

<?php
$string = "Learn PHP string functions at jb51.net";
$lower = strtolower($string);
$upper = strtoupper($string);
print("$lower\n");
print("$upper\n");
print("\n");
?>

The above is the detailed content of How to convert string to lowercase in php. For more information, please follow other related articles on the PHP Chinese website!