IntlChar::isdigit

(PHP 7)

IntlChar::isdigit — Check if code point is a digit character

Descrierea

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.

Parametri

codepoint: Valoarea codepoint de tip integer (de ex. 0x2603 pentru U+2603 SNOWMAN) sau caracterul codificat ca string în UTF-8 (de ex. "\u{2603}")

Valorile întoarse

Returns TRUE if codepoint is a digit character, FALSE if not.

Exemple

Example #1 Testarea diferitor code points


<?php
var_dump(IntlChar::isdigit("A"));
var_dump(IntlChar::isdigit("1"));
var_dump(IntlChar::isdigit("\t"));
?>

Exemplul de mai sus va afișa:

bool(false)
bool(true)
bool(false)

A se vedea și

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