PHP | IntlChar::isUWhiteSpace() Function

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 returns False.

Below programs illustrate the IntlChar::isUWhiteSpace() Function in PHP.

Program 1:

php

<?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 Whitespace Character  "\n "
var_dump(IntlChar::isUWhiteSpace("\n"));

// Input encoded string
var_dump(IntlChar::isUWhiteSpace("\u{00B0}"));
?>

Output:

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

Program 2:

php

<?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));
}
?>

Output:

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

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