(PHP 7)
IntlChar::getIntPropertyMaxValue — Get the max value for a Unicode property
$property
) : intGets the maximum value for an enumerated/integer/binary Unicode property.
propertyThe Unicode property to lookup (see the IntlChar::PROPERTY_* constants).
The maximum value returned by IntlChar::getIntPropertyValue() for a Unicode property. <=0 if the property selector is out of range.
Example #1 Testing different properties
<?php
var_dump(IntlChar::getIntPropertyMaxValue(IntlChar::PROPERTY_BIDI_CLASS));
var_dump(IntlChar::getIntPropertyMaxValue(IntlChar::PROPERTY_SCRIPT));
var_dump(IntlChar::getIntPropertyMaxValue(IntlChar::PROPERTY_IDEOGRAPHIC));
var_dump(IntlChar::getIntPropertyMaxValue(999999999)); // Some made-up value
?>
以上例程会输出：
int(22) int(166) int(1) int(-1)