IntlChar::isISOControl
(PHP 7)
IntlChar::isISOControl — Check if code point is an ISO control code
Description
public static IntlChar::isISOControl ( mixed $codepoint ) : bool
Determines whether the specified code point is an ISO control code.
true for U+0000..U+001f and U+007f..U+009f (general category "Cc").
Parameters
-
codepoint -
The int codepoint value (e.g.
0x2603for U+2603 SNOWMAN), or the character encoded as a UTF-8 string (e.g."\u{2603}")
Return Values
Returns true if codepoint is an ISO control code, false if not.
Examples
Example #1 Testing different code points
<?php
var_dump(IntlChar::isISOControl(" "));
var_dump(IntlChar::isISOControl("\n"));
var_dump(IntlChar::isISOControl("\u{200e}"));
?> The above example will output:
bool(false) bool(true) bool(false)
See Also
- IntlChar::iscntrl() - Check if code point is a control character
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https://www.php.net/manual/en/intlchar.isisocontrol.php