(PHP 7)
IntlChar::getUnicodeVersion — Get the Unicode version
Gets the Unicode version information.
The version array is filled in with the version information for the Unicode standard that is currently used by ICU. For example, Unicode version 3.1.1 is represented as an array with the values [3, 1, 1, 0].
此函数没有参数。
An array containing the Unicode version number.
Example #1 Testing different properties
<?php
var_dump(IntlChar::getUnicodeVersion());
?>
以上例程会输出：
array(4) {
[0]=>
int(7)
[1]=>
int(0)
[2]=>
int(0)
[3]=>
int(0)
}