IntlChar::isJavaSpaceChar

(PHP 7, PHP 8)

IntlChar::isJavaSpaceChar — Check if code point is a space character according to Java

说明

public static IntlChar::isJavaSpaceChar(int|string $codepoint): ?bool

Determine if the specified code point is a space character according to Java.

true for characters with general categories "Z" (separators), which does not include control codes (e.g., TAB or Line Feed).

参数

codepoint: The int codepoint value (e.g. 0x2603 for 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 according to Java, false if not. Returns null on failure.

示例

示例 #1 Testing different code points

<?php
var_dump(IntlChar::isJavaSpaceChar("A"));
var_dump(IntlChar::isJavaSpaceChar(" "));
var_dump(IntlChar::isJavaSpaceChar("\n"));
var_dump(IntlChar::isJavaSpaceChar("\t"));
var_dump(IntlChar::isJavaSpaceChar("\u{00A0}"));
?>

以上示例会输出：

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

参见

IntlChar::isspace() - Check if code point is a space character
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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