IntlChar::isspace
(PHP 7, PHP 8)
IntlChar::isspace — Check if code point is a space character
说明
public static IntlChar::isspace(int|string
$codepoint): ?boolDetermines if the specified character is a space character or not.
参数
-
codepoint -
The int codepoint value (e.g.
0x2603for U+2603 SNOWMAN), or the character encoded as a UTF-8 string (e.g."\u{2603}")
返回值
Returns true if
codepoint is a space character, false if not. Returns null on failure.
范例
示例 #1 Testing different code points
<?php
var_dump(IntlChar::isspace("A"));
var_dump(IntlChar::isspace(" "));
var_dump(IntlChar::isspace("\n"));
var_dump(IntlChar::isspace("\t"));
var_dump(IntlChar::isspace("\u{00A0}"));
?>
以上例程会输出：
bool(false) bool(true) bool(true) bool(true) bool(true)
参见
- IntlChar::isJavaSpaceChar() - Check if code point is a space character according to Java
- IntlChar::isWhitespace() - Check if code point is a whitespace character according to ICU
- IntlChar::isUWhiteSpace() - Check if code point has the White_Space Unicode property
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