Friday, October 10, 2025
HomeLanguagesPHP | IntlChar::isULowercase() Function

PHP | IntlChar::isULowercase() Function

The IntlChar::isULowercase() function is an inbuilt function in PHP that is used to check whether the given input character is a Lowercase character or not. 

Syntax: 

bool IntlChar::isULowercase( $codepoint )

Parameters: This function accepts a single parameter $codepoint which is mandatory. The input parameter is a character or integer value, which is encoded as a UTF-8 string.

Return Value: If $codepoint is a Lowercase Unicode character then it returns True, otherwise return False.

Note: This function is different from IntlChar::islower() function.

Below programs illustrate the IntlChar::isULowercase() function is an inbuilt function in PHP that is used to check whether the given input character is a Lowercase character or not. 

Syntax: 

bool IntlChar::isULowercase( $codepoint )

Parameters: This function accepts a single parameter $codepoint which is mandatory. The input parameter is a character or integer value, which is encoded as a UTF-8 string.

Return Value: If $codepoint is a Lowercase Unicode character then it returns True, otherwise return False.

Note: This function is different from IntlChar::islower() function.

Below programs illustrate the IntlChar::isULowercase() Function in PHP:

Program 1: 

php




<?php
// PHP code to illustrate IntlChar::isULowercase()
// function
 
// Input data is Capital letter or character
var_dump(IntlChar::isULowercase("M"));
 
// Input data is small letter or character
var_dump(IntlChar::isULowercase("m"));
 
// Input data is Capital letter string
var_dump(IntlChar::isULowercase("GEEKS"));
 
// Input data is small letter string
var_dump(IntlChar::isULowercase("neveropen"));
 
// Input data is integer value
var_dump(IntlChar::isULowercase("7"));
?>


Output: 

bool(false)
bool(true)
NULL
NULL
bool(false)

Program 2: 

php




<?php
 
// PHP code to IntlChar::isULowercase()
// function
 
// Declare an array $arr
$arr = array("G", "Sudo", "^", "s", "6", "\n");
 
// Loop run for every array element
foreach ($arr as $val){
     
    // Check each element as code point data
    var_dump(IntlChar::isULowercase($val));
}
?>


Output:  

bool(false) 
NULL 
bool(false) 
bool(true) 
bool(false) 
bool(false) 

Related Articles:  

Reference: http://php.net/manual/en/intlchar.isulowercase.phprcase() Function in PHP:

Program 1: 

php




<?php
// PHP code to illustrate IntlChar::isULowercase()
// function
 
// Input data is Capital letter or character
var_dump(IntlChar::isULowercase("M"));
 
// Input data is small letter or character
var_dump(IntlChar::isULowercase("m"));
 
// Input data is Capital letter string
var_dump(IntlChar::isULowercase("GEEKS"));
 
// Input data is small letter string
var_dump(IntlChar::isULowercase("neveropen"));
 
// Input data is integer value
var_dump(IntlChar::isULowercase("7"));
?>


Output:  

bool(false)
bool(true)
NULL
NULL
bool(false)

Program 2: 

php




<?php
 
// PHP code to IntlChar::isULowercase()
// function
 
// Declare an array $arr
$arr = array("G", "Sudo", "^", "s", "6", "\n");
 
// Loop run for every array element
foreach ($arr as $val){
     
    // Check each element as code point data
    var_dump(IntlChar::isULowercase($val));
}
?>


Output:  

bool(false) 
NULL 
bool(false) 
bool(true) 
bool(false) 
bool(false) 

Related Articles:  

Reference: http://php.net/manual/en/intlchar.isulowercase.php

RELATED ARTICLES

Most Popular

Dominic
32350 POSTS0 COMMENTS
Milvus
87 POSTS0 COMMENTS
Nango Kala
6718 POSTS0 COMMENTS
Nicole Veronica
11880 POSTS0 COMMENTS
Nokonwaba Nkukhwana
11941 POSTS0 COMMENTS
Shaida Kate Naidoo
6838 POSTS0 COMMENTS
Ted Musemwa
7101 POSTS0 COMMENTS
Thapelo Manthata
6794 POSTS0 COMMENTS
Umr Jansen
6794 POSTS0 COMMENTS