(PHP 7, PHP 8)
IntlChar::getIntPropertyValue — Get the value for a Unicode property for a code point
$codepoint, int $property): ?intGets the property value for an enumerated or integer Unicode property for a code point. Also returns binary and mask property values.
codepointLa valeur codepoint de type entier
(i.e. 0x2603 pour U+2603 SNOWMAN), ou le caractère encodé en UTF-8 de type chaîne de caractères
(i.e. "\u{2603}")
propertyLa propriété Unicode à chercher (voir la
constante IntlChar::PROPERTY_*).
   Returns the numeric value that is directly the property value or, for enumerated properties, corresponds to the
   numeric value of the enumerated constant of the respective property value enumeration type. Returns null on failure.
  
   Returns 0 or 1 (for false/true) for binary Unicode properties.
  
Returns a bit-mask for mask properties.
   Returns 0 if property is out of bounds or if the Unicode version does not
   have data for the property at all, or not for this code point.
  
Exemple #1 Test de différentes propriétés
<?php
var_dump(IntlChar::getIntPropertyValue("A", IntlChar::PROPERTY_ALPHABETIC) === 1);
var_dump(IntlChar::getIntPropertyValue("[", IntlChar::PROPERTY_BIDI_MIRRORED) === 1);
var_dump(IntlChar::getIntPropertyValue("Φ", IntlChar::PROPERTY_BLOCK) === IntlChar::BLOCK_CODE_GREEK);
?>
L'exemple ci-dessus va afficher :
bool(true) bool(true) bool(true)