Using uksort() to Sort an Associative Array by the Length of Its Keys : Array sort « Data Structure « PHP






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Using uksort() to Sort an Associative Array by the Length of Its Keys

<?php
$exes = array( x => 1,
               xxx => 3,
               xx => 2,
               xxxxx => 4,
               xxxxxx => 5
);
function priceCmp( $a, $b ){
    if ( strlen( $a ) == strlen( $b ) )
        return 0;
    if ( strlen( $a ) < strlen( $b ) )
        return -1;
    return 1;
}
uksort( $exes, priceCmp );
foreach ( $exes as $key => $val )
    print "$key: $val<BR>\n";
?>








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