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PHP | IntlChar::charAge() Function

PHP | IntlChar::charDigitValue() Function

Last Updated : 09 Feb, 2021

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The IntlChar::charDigitValue() function is an inbuilt function in PHP which is used to return the decimal digit value from a decimal digit character. Where the general category decimal digit numbers and “Nd” is Numeric_Type of Decimal.
Syntax:

int IntlChar::charDigitValue( $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 decimal digit value then returns True otherwise return -1.
Below programs illustrate the IntlChar::charDigitValue() Function in PHP.
Program 1:

php

<?php
// PHP code to illustrate IntlChar::charDigitValue
// function
  
//Input int codepoint value 
var_dump(IntlChar::charDigitValue("\u{2025}"));
echo "<br>";
  
//Input character codepoint value 
var_dump(IntlChar::charDigitValue("2345"));
echo "<br>";
  
//Input int codepoint value 
var_dump(IntlChar::charDigitValue("\u{0774}"));
echo "<br>";
  
//Input int codepoint value 
var_dump(IntlChar::charDigitValue("2"));
echo "<br>";
  
//Input character codepoint value 
var_dump(IntlChar::charDigitValue("Geeks"));
echo "<br>";
  
//Input character codepoint value 
var_dump(IntlChar::charDigitValue("\u{0E66}"));
echo "<br>";
  
//Input Empty codepoint value 
var_dump(IntlChar::charDigitValue(" "));
  
?>

Output:

int(-1)  NULL int(-1)  int(2)  NULL  int(-1)  int(-1)

Program 2:

php

<?php
// PHP code to illustrate 
// IntlChar::charDigitValue() function
     
// Declare an array $arr
$arr = array("^", "2345", "6", "\n");
 
// Loop run for every array element
foreach ($arr as $val){
     
    // Check each element as code point data
    var_dump(IntlChar::charDigitValue($val));
    echo "<br>";
}
?>

Output:

int(-1) NULL int(6) int(-1)

Related Articles:

IntlChar::isalpha() Function
IntlChar::isbase() Function
IntlChar::isblank() Function
IntlChar::iscntrl() Function

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

PHP | IntlChar::charAge() Function

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Article Tags :

PHP
Web Technologies
PHP-function
PHP-Intl

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