strtolower() & strtoupper() Functions in PHP
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strtolower():
This function converts the string to lower case.
Syntax :
strtolower("string");
Example:
<?php
echo strtolower("GUD MORNING");
?>
Output:
gud morning
strtoupper():
This function converts the string to upper case.
Syntax :
strtoupper("string");
Example:
<?php
echo strtoupper("gud morning");
?>
Output:
GUD MORNING
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