mysqli::$connect_errno

mysqli_connect_errno

(PHP 5, PHP 7)

mysqli::$connect_errno -- mysqli_connect_errnoReturns the error code from last connect call

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mysqli_connect_errno ( void ) : int

Returns the last error code number from the last call to mysqli_connect().

Note:

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.

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

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Example #1 $mysqli->connect_errno example

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<?php
$mysqli 
= @new mysqli('localhost''fake_user''my_password''my_db');

if (
$mysqli->connect_errno) {
    die(
'Connect Error: ' $mysqli->connect_errno);
}
?>

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<?php
$link 
= @mysqli_connect('localhost''fake_user''my_password''my_db');

if (!
$link) {
    die(
'Connect Error: ' mysqli_connect_errno());
}
?>

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Connect Error: 1045

锟轿硷拷

  • mysqli_connect() - 锟斤拷锟斤拷 mysqli::__construct
  • mysqli_connect_error() - Returns a string description of the last connect error
  • mysqli_errno() - 锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷玫拇锟斤拷锟斤拷锟斤拷
  • mysqli_error() - Returns a string description of the last error
  • mysqli_sqlstate() - 锟斤拷锟斤拷锟斤拷一锟斤拷 SQL 锟斤拷锟斤拷锟斤拷 SQLSTATE 锟斤拷锟斤拷锟斤拷息