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PHP Quiz PHP CertificatePHP mysqli_info() Function
Example
Return information about the most recently executed query:
<?php
$con=mysqli_connect("localhost","my_user","my_password","my_db");
// Check connection
if (mysqli_connect_errno($con))
{
echo "Failed to connect to MySQL: " . mysqli_connect_error();
}
// Perform queries
$sql1="CREATE TABLE testPersons LIKE Persons"
mysqli_query($con,$sql1);
$sql2="INSERT INTO testPersons SELECT * FROM Persons ORDER BY LastName LIMIT 10"
mysqli_query($con,$sql2);
// Print info about most recently executed query
echo mysqli_info($con);
mysqli_close($con);
?>
$con=mysqli_connect("localhost","my_user","my_password","my_db");
// Check connection
if (mysqli_connect_errno($con))
{
echo "Failed to connect to MySQL: " . mysqli_connect_error();
}
// Perform queries
$sql1="CREATE TABLE testPersons LIKE Persons"
mysqli_query($con,$sql1);
$sql2="INSERT INTO testPersons SELECT * FROM Persons ORDER BY LastName LIMIT 10"
mysqli_query($con,$sql2);
// Print info about most recently executed query
echo mysqli_info($con);
mysqli_close($con);
?>
Definition and Usage
The mysqli_info() function returns information about the most recently executed query.
This function works with the following query types:
- INSERT INTO...SELECT...
- INSERT INTO...VALUES (...),(...),(...)
- LOAD DATA INFILE ...
- ALTER TABLE ...
- UPDATE ...
Syntax
mysqli_info(connection);
| Parameter | Description |
|---|---|
| connection | Required. Specifies the MySQL connection to use |
Technical Details
| Return Value: | Returns a string that contains additional info about the most recently executed query |
|---|---|
| PHP Version: | 5+ |
PHP MySQLi Reference
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