Description:
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Using OCI libs to return values from a database, if this values is negative floating point the result cannot be used as number!

Reproduce code:
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$sql = "SELECT (-3/5) AS floatp FROM dual";
$conn2 = ocilogon("login", "pass", $srvc);
$stmt = ociparse($conn2, $sql);
ociexecute($stmt, OCI_DEFAULT);
while (ocifetch($stmt)) {
	echo $result = ociresult($stmt, "FLOATP")."\n\n";
 }
 echo $result + 2;

// This code return 2!!

Expected result:
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1.4

Actual result:
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2