I would like to check if a string contains only numbers, I really can’t realize how to do it.
is_numeric()
$data = $_POST[‘data’]; // something like 123.456.789
$dataParts = explode($data); //these are the variable I have to check: $dataP1 = $dataParts[0]; $dataP2 = $dataParts[1]; $dataP3 = $dataParts[3];
should probably be $dataP3 = $dataParts[2];
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