The typical workflow of using a prepared statement is as follows:Īs compared to executing statements directly, prepared. Typically used with SQL statements such as queries or updates, the prepared statement takes the form of a template into which certain constant values are substituted during each execution. 2 begingroup It looks safe but its twice the size it should be. In database management systems (DBMS), a prepared statement or parameterized statement is a feature used to execute the same or similar database statements repeatedly with high efficiency. 437 2 2 silver badges 9 9 bronze badges endgroup 6.
Only for database servers that do not support Prepared Statements does PDO emulate them. PDO then sends data to the server using the indentifier to link that data to the SQL statement. The DB parses the SQL statements, sends back an identifier.
PDO sends the SQL statement with no data to the server. Prepared Statements is a function of the database itself. Doesn’t PDO’s (or mysqli_bind for that matter) just call sprintf($sql, $params) underneath? If so, why not just do that? If not, what does PDO’s bindParam method actually do?
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