IntlChar::isIDStart
IntlChar::isIDStart
(PHP 7)
IntlChar::isIDStart — Check if code point is permissible as the first character in an identifier
Description
public static bool IntlChar::isIDStart ( mixed $codepoint )
Determines if the specified character is permissible as the first character in an identifier according to Unicode (The Unicode Standard, Version 3.0, chapter 5.16 Identifiers).
TRUE
for characters with general categories "L" (letters) and "Nl" (letter numbers).