(PHP 7)
IntlChar::isJavaSpaceChar — Check if code point is a space character according to Java
public static IntlChar::isJavaSpaceChar ( mixed $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).
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}")
Returns true if codepoint is a space character according to Java, false if not.
Example #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}"));
?> The above example will output:
bool(false) bool(true) bool(false) bool(false) bool(true)
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https://www.php.net/manual/en/intlchar.isjavaspacechar.php