mysqli_connect_errno

(PHP 5)

mysqli_connect_errno — Returns the error code from last connect call

说明

int mysqli_connect_errno ( void )

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.

返回值

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

范例

Example#1 mysqli_connect_errno() example


<?php

$link = @mysqli_connect("localhost", "nonexisting_user", "");

if (!$link) {
    printf("Can't connect to localhost. Errorcode: %d\n", mysqli_connect_errno());
}
?>

参见

mysqli_connect()
mysqli_connect_error()
mysqli_errno()
mysqli_error()
mysqli_sqlstate()


	PHP5中文手册 mysqli_commit mysqli_connect_error mysqli PHP Manual mysqli_connect_errno (PHP 5) mysqli_connect_errno — Returns the error code from last connect call 说明 int mysqli_connect_errno ( void ) 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`. 返回值 An error code value for the last call to mysqli_connect(), if it failed. zero means no error occurred. 范例 Example#1 mysqli_connect_errno() example `<?php $link = @mysqli_connect("localhost", "nonexisting_user", ""); if (!$link) { printf("Can't connect to localhost. Errorcode: %d\n", mysqli_connect_errno()); } ?>` 参见 mysqli_connect() mysqli_connect_error() mysqli_errno() mysqli_error() mysqli_sqlstate() mysqli_commit mysqli_connect_error mysqli PHP Manual