(PHP 7)
IntlChar::isspace — Check if code point is a space character
Determines if the specified character is a space character or not.
Returns TRUE if
codepoint is a space character, FALSE if not.
Example #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)