Algorithms Php

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  4. Send two arrays and get an array with the operation A-B, elements on A
that are not included on B
function RestaDeArrays($vectorA,$vectorB)
{
$cantA=count($vectorA);
$cantB=count($vectorB);
$No_saca=0;
for($i=0;$i<$cantA;$i++)
{
for($j=0;$j<$cantB;$j++)
{
if($vectorA[$i]==$vectorB[$j])
$No_saca=1;
}
if($No_saca==0)
$nuevo_array[]=$vectorA[$i];
else
$No_saca=0;
}
return $nuevo_array;
}
?>
how to use it--->$result=RestaDeArrays($arrayA,$arrayB);