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info

mysqli::$info

mysqli_info

Retrieves information about the most recently executed query

ENTITY

ENTITY

string

null

mysqli-ENTITYinfo

ENTITY

string

null

mysqli_info

mysqli

mysql

The mysqli_info function returns a string providing information about the last query executed. The nature of this string is provided below:

Query type Example result string
INSERT INTO...SELECT... Records: 100 Duplicates: 0 Warnings: 0
INSERT INTO...VALUES (...),(...),(...) Records: 3 Duplicates: 0 Warnings: 0
LOAD DATA INFILE ... Records: 1 Deleted: 0 Skipped: 0 Warnings: 0
ALTER TABLE ... Records: 3 Duplicates: 0 Warnings: 0
UPDATE ... Rows matched: 40 Changed: 40 Warnings: 0

Possible mysqli_info return values {#mysqli.info.description}

[!NOTE] Queries which do not fall into one of the preceding formats are not supported. In these situations, mysqli_info will return an empty string.

ENTITY

ENTITY

A character string representing additional information about the most recently executed query.

ENTITY

$mysqli-ENTITYinfo example

ENTITY

<?php

mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
$mysqli = new mysqli("localhost", "my_user", "my_password", "world");

$mysqli->query("CREATE TEMPORARY TABLE t1 LIKE City");

/* INSERT INTO ... SELECT */
$mysqli->query("INSERT INTO t1 SELECT * FROM City ORDER BY ID LIMIT 150");
printf("%s\n", $mysqli->info);

   

ENTITY

<?php

mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
$link = mysqli_connect("localhost", "my_user", "my_password", "world");

mysqli_query($link, "CREATE TEMPORARY TABLE t1 LIKE City");

/* INSERT INTO ... SELECT */
mysqli_query($link, "INSERT INTO t1 SELECT * FROM City ORDER BY ID LIMIT 150");
printf("%s\n", mysqli_info($link));

   

ENTITY

Records: 150  Duplicates: 0  Warnings: 0

ENTITY

mysqli_affected_rows, mysqli_warning_count, mysqli_num_rows