(No version information available, might be only in CVS)
Collator::compare -- collator_compare — Compare two Unicode strings
Object oriented style
Procedural style
Compare two Unicode strings according to collation rules.
Collator object.
The first string to compare.
The second string to compare.
Return comparison result:
1 if str1 is greater than str2 ;
0 if str1 is equal to str2;
-1 if str1 is less than str2 .
On error boolean FALSE is returned.
This function may return Boolean FALSE, but may also return a non-Boolean value which evaluates to FALSE, such as 0 or "". Please read the section on Booleans for more information. Use the === operator for testing the return value of this function.
Example #1 collator_compare()example
<?php
$s1 = 'Hello';
$s2 = 'hello';
$coll = collator_create( 'en_US' );
$res = collator_compare( $coll, $s1, $s2 );
if ($res === false) {
echo collator_get_error_message( $coll );
} else if( $res > 0 ) {
echo "s1 is greater than s2\n";
} else if( $res < 0 ) {
echo "s1 is less than s2\n";
} else {
echo "s1 is equal to s2\n";
?>
The above example will output: