IntlChar::isalpha

(PHP 7, PHP 8)

IntlChar::isalpha — Check if code point is a letter character

public static IntlChar::isalpha(int|string $codepoint): ?bool

Determines whether the specified code point is a letter character. true for general categories "L" (letters).

codepoint: int türünde Unicode karakter kodu (örn. U+2603 SNOWMAN için 0x2603) veya string türünde Unicode karakter kodu (örn. "\u{2603}")

Returns true if codepoint is a letter character, false if not. Returns null on failure.

Örnek 1 Farklı karakter kodlarının denenmesi

<?php
var_dump(IntlChar::isalpha("A"));
var_dump(IntlChar::isalpha("1"));
var_dump(IntlChar::isalpha("\u{2603}"));
?>

Yukarıdaki örneğin çıktısı:

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

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