IntlChar::isISOControl()
版本:php7
(PHP 7)
Check if code point is an ISO control code
说明
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").
参数
- $codepoint
The integer codepoint value(e.g.0x2603forU+2603 SNOWMAN), or the character encoded as a UTF-8 string(e.g."u{2603}")
返回值
Returns TRUE
if$codepointis an ISO control code,FALSE
if not.
范例
Testing different code points
<?php var_dump(IntlChar::isISOControl(" ")); var_dump(IntlChar::isISOControl("\n")); var_dump(IntlChar::isISOControl("\u{200e}")); ?>
以上例程会输出:
bool(false) bool(true) bool(false)
参见
- IntlChar::iscntrl() Check if code point is a control character