IntlChar::isJavaIDStart
(PHP 7, PHP 8)
IntlChar::isJavaIDStart — Check if code point is permissible as the first character in a Java identifier
Description
Determines if the specified character is permissible as the start of a Java identifier.
In addition to IntlChar::isIDStart(), true for characters with general categories "Sc" (currency symbols) and "Pc" (connecting punctuation).
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 may start a Java identifier, false if not. Returns null on failure.
Exemples
Exemple #1 Test de différents codepoint
<?php
var_dump(IntlChar::isJavaIDStart("A"));
var_dump(IntlChar::isJavaIDStart("$"));
var_dump(IntlChar::isJavaIDStart("\n"));
var_dump(IntlChar::isJavaIDStart("\u{2603}"));
?>L'exemple ci-dessus va afficher :
bool(true) bool(true) bool(false) bool(false)
Voir aussi
- IntlChar::isIDStart() - Check if code point is permissible as the first character in an identifier
- IntlChar::isJavaIDPart() - Check if code point is permissible in a Java identifier
- IntlChar::isalpha() - Check if code point is a letter character
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