The best way to convert uppercase string to lowercase in PHP is by using the strtolower() function. It takes the string as the input and converts it’s all characters to the lower case and returns the string value.
Syntax:
string strtolower( $string )
Return value: It returns the string converted into lower string.
Example 1:
PHP
<?php echo strtolower ( "GeeksForGeeks" )
?> |
Output:
geeksforgeeks
Example 2:
PHP
<?php $str = "Geeks For Geeks" ;
$lowerStr = strtolower ( $str );
echo $lowerStr
?> |
Output:
geeks for geeks
Example 3:
PHP
<?php $str = "HelLo GeeKs hAve A wonDERful DaY" ;
echo strtolower ( $str );
?> |
Output:
hello geeks have a wonderful day