(PHP 5 >= 5.3.0, PECL intl >= 1.0.0)
Collator::getAttribute -- collator_get_attribute — Get collation attribute value
Object oriented style
$attr
   )Procedural style
Get a value of an integer collator attribute.
   Attribute value, or boolean FALSE on error.
  
Example #1 collator_get_attribute() example
<?php
$coll = collator_create( 'en_CA' );
$val = collator_get_attribute( $coll, Collator::NUMERIC_COLLATION );
if( $val === false )
{
    // Handle error.
}
?>