IntlChar::isJavaIDPart

(PHP 7)

Check if code point is permissible in a Java identifier

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

Determines 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 integer codepoint value (e.g. 0x2603 for U+2603 SNOWMAN), or the character encoded as a UTF-8 string (e.g. "\u{2603}")

Returns:

Returns TRUE if codepoint may occur in a Java identifier, FALSE if not.

Examples:

Testing different code points

<?php
var_dump(IntlChar::isJavaIDPart("A"));
var_dump(IntlChar::isJavaIDPart("$"));
var_dump(IntlChar::isJavaIDPart("\n"));
var_dump(IntlChar::isJavaIDPart("\u{2603}"));
?>

The above example will output:

bool(true)
bool(true)
bool(false)
bool(false)