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Collator
PHP Manual

Collator::compare

collator_compare

(No version information available, might be only in CVS)

Collator::compare -- collator_compareCompare two Unicode strings

Description

Object oriented style

int Collator::compare ( string $str1 , string $str2 )

Procedural style

int collator_compare ( Collator $coll , string $str1 , string $str2 )

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:

On error boolean FALSE is returned.

Warning

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 ) {
    echo 
"s1 is greater than s2\n";
} else if( 
$res ) {
    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

See Also


Collator
PHP Manual