IntlChar::islower
(PHP 7, PHP 8)
IntlChar::islower — Check if code point is a lowercase letter
Description
Determines whether the specified code point has the general category "Ll" (lowercase letter).
Note:
This misses some characters that are also lowercase but have a different general category value. In order to include those, use IntlChar::isULowercase().
Liste de paramètres
-
codepoint -
La valeur codepoint de type entier (i.e.
0x2603pour U+2603 SNOWMAN), ou le caractère encodé en UTF-8 de type chaîne de caractères (i.e."\u{2603}")
Valeurs de retour
Returns true if
codepoint is an Ll lowercase letter, false if not. Returns null on failure.
Exemples
Exemple #1 Test de différents codepoint
<?php
var_dump(IntlChar::islower("A"));
var_dump(IntlChar::islower("a"));
var_dump(IntlChar::islower("Φ"));
var_dump(IntlChar::islower("φ"));
var_dump(IntlChar::islower("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::istitle() - Check if code point is a titlecase letter
- IntlChar::tolower() - Make Unicode character lowercase
- IntlChar::toupper() - Make Unicode character uppercase
IntlChar::PROPERTY_LOWERCASE- ctype_lower() - Vérifie qu'une chaîne est en minuscules
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