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php strtolower() function

Chinese translationRecent Updates：2018-04-17 16:14:10

UK[ˈləʊə(r)] US[ˈloʊə(r)]

adj. Below; at the bottom; lower level

v. Lower; reduce; narrow

Third person singular: lowers Present participle: lowering Past tense: lowered Past participle: lowered

php strtolower() function Video explanation

php strtolower() function syntax

Function: Convert all characters to lowercase

Syntax: strtolower(string)

Parameters:

Parameters	Description
string	Must, specify the string to be converted

Description: strtolower() function converts the string to lowercase, this function is binary safe.

php strtolower() function example

<?php
$i = "HELLO WORLD";
$j = strtolower($i);
echo $j;
?>

Click the "Run instance" button to view the online instance

Output:

hello world

<?php
$i = "I'M STUDY IN PHP.CN";
$j = strtolower($i);
echo $j;
?>

Click the "Run instance" button to view the online instance

Output:

i'm study in php.cn

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