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 elementforeach ($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
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