Check if code point is a titlecase letter

# IntlChar::istitle

(PHP 7)

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).

### Liste de paramètres

`codepoint`

  La valeur codepoint de type integer (i.e. 0x2603 pour U+2603 SNOWMAN), ou le caractère encodé en UTF-8 de type string (i.e. "\u{2603}")

### Valeurs de retour

Returns `TRUE` if `codepoint` is a titlecase letter, `FALSE` if not.

### Exemples

Exemple #1 Test de différents codepoint

`<?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"));
?>`

L'exemple ci-dessus va afficher :

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

### Voir aussi

- IntlChar::isupper() - Check if code point has the general category "Lu" (uppercase letter)
- IntlChar::islower() - Check if code point is a lowercase letter
- IntlChar::totitle() - Make Unicode character titlecase