[PHP] Cannot index a string index - Why?

[torek]

hi,
is there an error in this script?:

if ($var){
    $tmp = explode("<|>",$vars);
    for ($i = 0; $i < sizeof($tmp); $i++){
        $struct[$i] = array();
        $tmp2 = explode("<||>",$tmp[$i]);
        for ($j = 0; $j < sizeof($tmp2);$j++){
            $struct[$i][$j] = explode("<|||>",$tmp2[$j]);
        }
    }
}

$var is something like
"heim<||>test<|||>test1_1<|||>test1_2<|>home<||>testing<|||>testing1_2<|||>t
esting2_2"

Im getting the warning "Cannot index a string index"  on line
"$struct[$i][$j] = explode("<|||>",$tmp2[$j]);"

I've done similar things quite often, but this is the first time I get  this
warning.
Any Ideas, Thanks
Torek




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