Re: reverse string without strrev();

Robert Cummings wrote:

There's always a tradeoff between speed and memory. Here's the low memory version: <?php $str = '1234567'; str_reverse_in_place( $str ); echo 'Reversed: '.$str."\n"; function str_reverse_in_place( &$str ) {

    $a = 0;
    $z = strlen( $str ) - 1;

    while( $a < $z )
    {
        $t = $str[$a];
        $str[$a] = $str[$z];
        $str[$z] = $t;

        ++$a;
        --$z;
    }

} ?>

Sorry, Rob, that function doesn't return anything..... ;-) -- Aschwin Wesselius <social> What you would like to be done to you, do that to the other.... </social>