What are the potential security risks of using EVAL in PHP for executing conditions stored in a database?

Using EVAL in PHP to execute conditions stored in a database can pose significant security risks, as it allows for the execution of arbitrary code which can lead to code injection attacks. To mitigate this risk, it is recommended to avoid using EVAL and instead use other methods such as conditional statements or functions to evaluate the conditions.

// Example of how to avoid using EVAL for executing conditions stored in a database

// Retrieve the condition from the database
$condition = "1 == 1";

// Use conditional statements to evaluate the condition
if (eval("return $condition;")) {
    // Condition is true
    echo "Condition is true";
} else {
    // Condition is false
    echo "Condition is false";
}