What steps can be taken to ensure the validity of MySQL result resources in PHP scripts to avoid errors like "supplied argument is not a valid MySQL result resource"?

To ensure the validity of MySQL result resources in PHP scripts and avoid errors like "supplied argument is not a valid MySQL result resource", you can check if the result resource is valid before using it in your code. This can be done by using the `is_resource()` function to verify if the result is a valid resource. 

// Check if the result is a valid resource before using it
if (is_resource($result)) {
    // Process the result resource here
    while ($row = mysqli_fetch_assoc($result)) {
        // Do something with the data
    }
} else {
    // Handle the case where the result is not a valid resource
    echo "Invalid MySQL result resource";
}

Keywords

MySQL result resources PHP scripts validity errors

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