PHP | IntlChar::isUUppercase() Function

Last Updated : 30 Mar, 2023

The IntlChar::isUUppercase() function is an inbuilt function in PHP which is used to check whether the given input character is an Uppercase Unicode character or not.

Syntax:

bool IntlChar::isUUppercase( $codepoint )

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

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

Note:The function is different from IntlChar::isupper() function.

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

Program 1:

PHP

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

Output:

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

Program 2:

PHP

   <?php
// PHP code to IntlChar::isUUppercase
// function
  
// Declare an array $arr
$arr = array("X", "ReportBug", "^", "c", "\t");
  
// Loop run for every array element
foreach ($arr as $val) {
      
    // Check each element of array
    var_dump(IntlChar::isUUppercase($val));
}
?>
 
  

Output:

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

Related Articles:

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

PHP | IntlChar::isupper() Function

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