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IntlChar::isJavaIDStart

(PHP 7)

IntlChar::isJavaIDStartCheck if code point is permissible as the first character in a Java identifier

Description

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

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 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 may start a Java identifier, FALSE if not.

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)

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