Explanation of the PHP function mysql_error ()

When we use

The syntax format of the PHP function mysql_error () is as follows:

String mysql_error ([resource $ link_identifier])

The PHP function mysql_error () returns the error message generated by the previous MySQL function. If no error exists, an empty string is returned.

The sample code for using the mysql_error () function is as follows:

 
 


  
  
<? Php

  
  
$ Connection = mysql_connect
("Localhost", "root", "root ")
Or die ("failed to connect to the server ");

  
  
Mysql_select_db ("mydb", $ connection );

  
  
Echo "error message:". mysql_error ();

  
  
?>

 
 

The above is the specific usage of the PHP function mysql_error.