(PHP 7)
IntlChar::isIDIgnorable — Check if code point is an ignorable character
Determines if the specified character should be regarded as an ignorable character in an identifier.
TRUE for characters with general category "Cf" (format controls) as well as non-whitespace ISO controls (U+0000..U+0008, U+000E..U+001B, U+007F..U+009F).
Note:
Note that Unicode just recommends to ignore Cf (format controls).
Returns TRUE if
codepoint is ignorable in identifiers, FALSE if not.
Exemple #1 Test de différents codepoint
<?php
var_dump(IntlChar::isIDIgnorable("A"));
var_dump(IntlChar::isIDIgnorable(" "));
var_dump(IntlChar::isIDIgnorable("\u{007F}"));
?>
L'exemple ci-dessus va afficher :
bool(false) bool(false) bool(true)
IntlChar::PROPERTY_DEFAULT_IGNORABLE_CODE_POINT