IntlChar::isJavaIDPart
(PHP 7, PHP 8)
IntlChar::isJavaIDPart — Check if code point is permissible in a Java identifier
Description
public static IntlChar::isJavaIDPart(int|string
$codepoint): ?boolDetermines if the specified character is permissible in a Java identifier.
In addition to IntlChar::isIDPart(), true for characters with general category "Sc" (currency symbols).
Parameters
-
codepoint -
The int codepoint value (e.g.
0x2603for U+2603 SNOWMAN), or the character encoded as a UTF-8 string (e.g."\u")
Return Values
Returns true if
codepoint may occur in a Java identifier, false if not. Returns null on failure.
Examples
Example #1 Testing different code points
<?php
var_dump(IntlChar::isJavaIDPart("A"));
var_dump(IntlChar::isJavaIDPart("$"));
var_dump(IntlChar::isJavaIDPart("\n"));
var_dump(IntlChar::isJavaIDPart("\u"));
?>
The above example will output:
bool(true) bool(true) bool(false) bool(false)
See Also
- IntlChar::isIDIgnorable() - Check if code point is an ignorable character
- IntlChar::isIDPart() - Check if code point is permissible in an identifier
- IntlChar::isJavaIDStart() - Check if code point is permissible as the first character in a Java identifier
- IntlChar::isalpha() - Check if code point is a letter character
- IntlChar::isdigit() - Check if code point is a digit character
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