IntlChar::istitle

(PHP 7, PHP 8)

IntlChar::istitle — Check if code point is a titlecase letter

Description

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

Determines whether the specified code point is a titlecase letter.

true for general category "Lt" (titlecase letter).

Parameters

codepoint

The int 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 titlecase letter, false if not.

Examples

Example #1 Testing different code points

<?php
var_dump(IntlChar::istitle("A"));
var_dump(IntlChar::istitle("a"));
var_dump(IntlChar::istitle("Φ"));
var_dump(IntlChar::istitle("φ"));
var_dump(IntlChar::istitle("1"));
?>

The above example will output:

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

See Also