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PHP

Returns the error code for the most recent function call


mysqli::$errno

mysqli_errno

(PHP 5)

mysqli::$errno -- mysqli_errnoReturns the error code for the most recent function call

Description

Object oriented style

Procedural style

int mysqli_errno ( mysqli $link )

Returns the last error code for the most recent MySQLi function call that can succeed or fail.

Client error message numbers are listed in the MySQL errmsg.h header file, server error message numbers are listed in mysqld_error.h. In the MySQL source distribution you can find a complete list of error messages and error numbers in the file Docs/mysqld_error.txt.

Parameters

link

Procedural style only: A link identifier returned by mysqli_connect() or mysqli_init()

Return Values

An error code value for the last call, if it failed. zero means no error occurred.

Examples

Example #1 $mysqli->errno example

Object oriented style

<?php
$mysqli 
= new mysqli("localhost""my_user""my_password""world");

/* check connection */
if ($mysqli->connect_errno) {
    
printf("Connect failed: %s\n"$mysqli->connect_error);
    exit();
}

if (!
$mysqli->query("SET a=1")) {
    
printf("Errorcode: %d\n"$mysqli->errno);
}

/* close connection */
$mysqli->close();
?>

Procedural style

<?php
$link 
mysqli_connect("localhost""my_user""my_password""world");

/* check connection */
if (mysqli_connect_errno()) {
    
printf("Connect failed: %s\n"mysqli_connect_error());
    exit();
}

if (!
mysqli_query($link"SET a=1")) {
    
printf("Errorcode: %d\n"mysqli_errno($link));
}

/* close connection */
mysqli_close($link);
?>

The above examples will output:

 Errorcode: 1193 

See Also



Content

Android Reference

Java basics

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SQL

HTML

PHP

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Java Script

MYSQL

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REGEX

C

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C#

Design patterns

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RFC (best current practice status)

RFC (historic status)

RFC (unknown status)

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