mysqli_errno
(PHP 5)
mysqli_errno
(no version information, might be only in CVS)
mysqli->errno -- Returns the error code for the most recent function call
Description
Procedural style:
int
mysqli_errno ( mysqli link )
Object oriented style (property):
class
mysqli {
int errno
}
The mysqli_errno() function will return the last error code for
the most recent MySQLi function call that can succeed or fail with respect to the
database link defined by the link parameter. If no errors
have occured, this function will return zero.
Nota:
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.
Valori restituiti
An error code value for the last call, if it failed. zero means no error occurred.
Esempi
Esempio 1. 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(); ?>
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Esempio 2. 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); ?>
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The above example will output:
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Generated: 2007-01-26 17:56:28