IntlChar::isdigit

(PHP 7, PHP 8)

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

Descrição

public static IntlChar::isdigit ( mixed $codepoint ) : bool

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.

Parâmetros

codepoint: Um codepoint integer (por exemplo 0x2603 para U+2603 SNOWMAN), ou um caracter codificado como uma string UTF-8 (exemplo "\u{2603}")

Valor Retornado

Returns true if codepoint is a digit character, false if not.

Exemplos

Exemplo #1 Testando codepoints diferentes


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

O exemplo acima irá imprimir:

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

Veja Também

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

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