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Collator::compare
collator_compare
(No version information available, might be only in CVS)
collator_compare — Compare two Unicode strings
Description
Object oriented style
Procedural style
Compare two Unicode strings according to collation rules.
Parameters
- coll
-
Collator object.
- str1
-
The first string to compare.
- str2
-
The second string to compare.
Return Values
Return comparison result:
-
1 if str1 is greater than str2 ;
-
0 if str1 is equal to str2;
-
-1 if str1 is less than str2 .
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.
Examples
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:
s1 is greater than s2
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