Php strtoupper
From w3cyberlearnings
Contents |
PHP function strtoupper
This function converts a string to uppercase. For lowercase check php strtoupper
Syntax strtoupper
- string: string input
strtoupper(string)
Example 1
<?php $str ="Good old day."; echo strtoupper($str); ?>
Output
GOOD OLD DAY.
Example 2
<?php
<?php
$my_list = array('hi',
'work of art',
'famous article',
'girl of the night',
'dark size of human');
foreach ($my_list as &$value) {
$value = strtoupper($value);
}
print_r($my_list);
?>
Output
Array ( [0] => HI [1] => WORK OF ART [2] => FAMOUS ARTICLE [3] => GIRL OF THE NIGHT [4] => DARK SIZE OF HUMAN )
Example 3
<?php
$my_list = array('give up',
'never give up',
'do not give up',
'php project',
'lost city');
$my_list_lower = array_map('strtoupper', $my_list);
print_r($my_list_lower);
?>
Output
Array ( [0] => GIVE UP [1] => NEVER GIVE UP [2] => DO NOT GIVE UP [3] => PHP PROJECT [4] => LOST CITY )
