What are the different variable types involved in handling database query results in PHP, and how can they be effectively managed?

When handling database query results in PHP, the different variable types involved are typically arrays and objects. To effectively manage these variables, it is important to understand the structure of the data being returned and use appropriate methods to access and manipulate the results. 

// Example of handling database query results in PHP using arrays and objects

// Assuming $result is the variable containing the query results

// Using arrays
if(is_array($result)){
    foreach($result as $row){
        // Access data using array keys
        echo $row['column_name'];
    }
}

// Using objects
if(is_object($result)){
    while($row = $result->fetch_assoc()){
        // Access data using object properties
        echo $row->column_name;
    }
}

Keywords

MySQLi PDO fetch_assoc fetch_object data types

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