PHP | IntlChar getCombiningClass() Function

The IntlChar::getCombiningClass() function is an inbuilt function in PHP which is used to get the combining class of the code point.
Syntax:

int IntlChar::getCombiningClass ( $codepoint )

Parameters: This function accepts a single parameter $codepoint which is mandatory. The $codepoint value is an integer values or character, which is encoded as a UTF-8 string.
Return Value: This function returns the combining class of the code point. 

Below programs illustrate the IntlChar::getCombiningClass() function in PHP:

Program 1:

PHP

<?php

// PHP function to illustrate
// the use of IntlChar::getCombiningClass()

// Input data is string type
var_dump(IntlChar::getCombiningClass("\p{143}"));

// Input data is character type
var_dump(IntlChar::getCombiningClass(" "));

// Input data is unicode character type
var_dump(IntlChar::getCombiningClass("\u{350}"));

// Input data is string type
var_dump(IntlChar::getCombiningClass("XYZ"));

// Input data is unicode character type
var_dump(IntlChar::getCombiningClass("\u{0358}"));

?>

Output:

NULL
int(0)
int(230)
NULL
int(232)

Program 2:

PHP

<?php
// PHP code to illustrate IntlChar::getCombiningClass()

// Declare an array $arr
$arr = array("\u{314}", "GeeksforGeeks", "^", "\u{0324}", "6", "\n");

// Loop run for every array element
foreach ($arr as $val){

    // Check each element as code point data
    var_dump(IntlChar::getCombiningClass($val));
}
?>

Output:

int(230)
NULL
int(0)
int(220)
int(0)
int(0)

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