DevOps, CI/CD and Automation

Hello,

I am trying to get the result of a stored procedure with PHP. Here is my code :
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$varIn1 = 1;
$varIn2 = 0;

$conn = OCILogon("xxx", "xxx", 'xxx');
$stmt = OCIParse($conn, "BEGIN maProcedure(:varIn1, :varIn2, :varOut1); END;");
OCIBindByName($stmt, ':varIn1, $_varIn1);
OCIBindByName($stmt, ':varIn1, $_varIn1);
OCIBindByName($stmt, ':varOut1, $varOut1);

OCIExecute($stmt, OCI_DEFAULT);

echo "statut: " . $varOut1;

OCIFreeStatement($stmt);
OCILogoff($conn);

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I get no error message, but I don't get the value of $varOut1. What am I doing wrong ?

Thanks in advance !

Helene