IntlChar::charDigitValue
Get the decimal digit value of a decimal digit character
Description
public static intnull IntlChar::charDigitValue(intstring $codepoint
)
Such characters have the general category "Nd" (decimal digit numbers) and a Numeric_Type of Decimal.
Parameters
-
codepoint
-
The int codepoint value (e.g. 0x2603
for U+2603 SNOWMAN), or the character encoded as a UTF-8 string (e.g. "\u{2603}"
)
Return Values
The decimal digit value of codepoint
,
or -1
if it is not a decimal digit character. Returns null
on failure.
Examples
Example #1 Testing different code points
<?php
var_dump(IntlChar::charDigitValue("1"));
var_dump(IntlChar::charDigitValue("\u{0662}"));
var_dump(IntlChar::charDigitValue("\u{0E53}"));
?>
The above example will output:
See Also
- IntlChar::getNumericValue