IntlChar::isIDPart

(PHP 7)

IntlChar::isIDPart — Check if code point is permissible in an identifier

Descrierea

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

Determines if the specified character is permissible in an identifier.

true for characters with general categories "L" (letters), "Nl" (letter numbers), "Nd" (decimal digits), "Mc" and "Mn" (combining marks), "Pc" (connecting punctuation), and u_isIDIgnorable(c).

Notă:
This is almost the same as Unicode's ID_Continue (IntlChar::PROPERTY_ID_CONTINUE) except that Unicode recommends to ignore Cf which is less than IntlChar::isIDIgnorable().

Parametri

codepoint: Valoarea codepoint de tip integer (de ex. 0x2603 pentru U+2603 SNOWMAN) sau caracterul codificat ca string în UTF-8 (de ex. "\u{2603}")

Valorile întoarse

Returns true if codepoint is the code point may occur in an identifier, false if not.

Exemple

Example #1 Testarea diferitor code points


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

Exemplul de mai sus va afișa:

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

A se vedea și

IntlChar::isIDIgnorable() - Check if code point is an ignorable character
IntlChar::isIDStart() - Check if code point is permissible as the first character in an identifier
IntlChar::PROPERTY_ID_CONTINUE

add a note

User Contributed Notes

There are no user contributed notes for this page.