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PHP | IntlChar::isUWhiteSpace() Function
  • Last Updated : 16 Feb, 2021

The IntlChar::isUWhiteSpace() function is an inbuilt function in PHP which is used to check whether the given input character is a WhiteSpace Unicode character or not. IntlChar accesses a number utility function and used to access the information about Unicode Characters. 
Syntax: 
 

bool IntlChar::isUWhiteSpace( $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 WhiteSpace character then returns True, otherwise return False.
Below programs illustrate the IntlChar::isUWhiteSpace() Function in PHP.
Program 1: 
 

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<?php
// PHP code to illustrate IntlChar::isUWhiteSpace()
// function
 
// Input Capital Letter
var_dump(IntlChar::isUWhiteSpace("N"));
 
// Input Small Letter
var_dump(IntlChar::isUWhiteSpace(" n "));
 
// Input Whitesapce Character  "\n "
var_dump(IntlChar::isUWhiteSpace("\n"));
 
// Input encoded string
var_dump(IntlChar::isUWhiteSpace("\u{00B0}"));
?>

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Output: 
 

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

Program 2: 
 

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

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Output: 
 

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

Related Articles: 
 

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




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