IntlChar::isalpha
(PHP 7, PHP 8)
IntlChar::isalpha — Check if code point is a letter character
Description
public static IntlChar::isalpha(int|string $codepoint): ?boolDetermines whether the specified code point is a letter character. true for general categories "L" (letters).
Parameters
codepoint-
The int codepoint value (e.g.
0x2603for U+2603 SNOWMAN), or the character encoded as a UTF-8 string (e.g."\u{2603}")
Return Values
Returns true if codepoint is a letter character, false if not. Returns null on failure.
Examples
Example #1 Testing different code points
<?php
var_dump(IntlChar::isalpha("A"));
var_dump(IntlChar::isalpha("1"));
var_dump(IntlChar::isalpha("\u{2603}"));
?>The above example will output:
bool(true)
bool(false)
bool(false)
See Also
- IntlChar::isalnum() - Check if code point is an alphanumeric character
- IntlChar::isdigit() - Check if code point is a digit character
- ctype_alpha() - Check for alphabetic character(s)
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Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/intlchar.isalpha.php