IntlChar::isdigit
(PHP 7)
IntlChar::isdigit — Check if code point is a digit character
Description
public static bool IntlChar::isdigit ( mixed $codepoint )Determines whether the specified code point is a digit character.
TRUE for characters with general category "Nd" (decimal digit numbers). Beginning with Unicode 4, this is the same as testing for the Numeric_Type of Decimal.
Parameters
codepoint
The integer codepoint value (e.g. 0x2603 for U+2603 SNOWMAN), or the character encoded as a UTF-8 string (e.g. "\u{2603}")
Return Values
Returns TRUE if codepoint is a digit character, FALSE if not.
Examples
Example #1 Testing different code points
<?php
var_dump(IntlChar::isdigit("A"));
var_dump(IntlChar::isdigit("1"));
var_dump(IntlChar::isdigit("\t"));
?>The above example will output:
bool(false)
bool(true)
bool(false)See Also
- IntlChar::isalpha() - Check if code point is a letter character
- IntlChar::isalnum() - Check if code point is an alphanumeric character
- IntlChar::isxdigit() - Check if code point is a hexadecimal digit
← IntlChar::isdefined
IntlChar::isgraph →
? 1997–2017 The PHP Documentation GroupLicensed under the Creative Commons Attribution License v3.0 or later.
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