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Which method is used to create prepared statements PHP?
Prepared statements are using the so called binary protocol. The MySQL server sends result set data “as is” in binary format. Results are not serialized into strings before sending. Client libraries receive binary data and try to convert the values into appropriate PHP data types.
Which function is used in MySQLi with prepared statements?
The bind_param() method is where you attach variables to the dummy values in the prepared template. Notice how there are two letters in quotes before the variables. This tells the database the variable types. The s specifies that name will be a string value, while the i forces age to be an integer.
What is a PHP prepared statement?
A prepared statement is a feature used to execute the same (or similar) SQL statements repeatedly with high efficiency. Prepared statements basically work like this: Prepare: An SQL statement template is created and sent to the database.
When to use not escaping special characters in PHP?
The query has to be properly parameterized and you have to send arguments to execute (or otherwise bind them) for them to be properly escaped. For example: The input does not get escaped in that case. An SQL statement is code. When you build an SQL query with concatenation (or something else) you are doing code generation.
When to use escape string in SQL statement?
This function is used to create a legal SQL string that you can use in an SQL statement. The given string is encoded to produce an escaped SQL string, taking into account the current character set of the connection.
How to escape special characters in unescaped string?
Escapes special characters in the unescaped_string, taking into account the current character set of the connection so that it is safe to place it in a mysql_query(). If binary data is to be inserted, this function must be used.
Why is the apostrophe not escaping in PHP?
I have input values from a HTML textarea element that cannot be inserted into MySQL table because it contains the apostrophe (‘) character eg: ‘Adam’s garden’.