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PDO::execExecute an SQL statement and return the number of affected rows Description
public intfalse PDO::exec(string
$statement )PDO::exec executes an SQL statement in a single function call, returning the number of rows affected by the statement. PDO::exec does not return results from a SELECT statement. For a SELECT statement that you only need to issue once during your program, consider issuing PDO::query. For a statement that you need to issue multiple times, prepare a PDOStatement object with PDO::prepare and issue the statement with PDOStatement::execute. Parameters
Return Values
PDO::exec returns the number of rows that were modified
or deleted by the SQL statement you issued. If no rows were affected,
PDO::exec returns Warning
This function may
return Boolean The following example incorrectly relies on the return value of PDO::exec, wherein a statement that affected 0 rows results in a call to die:
Errors/Exceptions
Emits an error with level
Throws a PDOException if the attribute Examples
Example #1 Issuing a DELETE statement Count the number of rows deleted by a DELETE statement with no WHERE clause.
The above example will output: Deleted 1 rows. See Also
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