Collator::compare

collator_compare

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0)

Collator::compare -- collator_compare — Compare two Unicode strings

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

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

Compare two Unicode strings according to collation rules.

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coll

Collator object.

str1

The first string to compare.

str2

The second string to compare.

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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.

Warning

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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";
}
?>

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s1 is greater than s2

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