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Php mysql show error message

ini with this line:. ini add the following code ( I am giving an simple error showing code) :. use try catch and try to get the error enable error reporting in php also. Please < a href= \ " login. php\ " > click here to login< / a>. use or die( mysql_ error( ) ) as it will display mysql error if there is an error with your query. string mysqli_ error ( mysqli $ link ). 直近の MySQLi 関数のコールが成功あるいは 失敗した際のエラーメッセージを返します。. You get the error description from the last mysqli- function, not from the last mysql- error. If you have the following e this: mysqli_ query( $ this- > db_ link, $ query) or die( mysqli_ error( $ this- > db_ link ) ) ; # mysqli_ query( $ link, $ query) returns 0 if there' s an error.

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    Mysql error message

    # mysqli_ error( $ link) returns a string with the last error message. You can also te that, as you say or die is getting executed, which means that there is an error in your code somewhere, and not a mysql error. And, therefore, the above code will capture that exception and display it for you. However, when I go to the address ( manually accessing the link) www. com/ " Xx< XaXaXXaXaX> xX I get this error message: INVALID SQL: 1064 : You have an error in your SQL syntax; check the manual that corresponds to your MySQL. この関数が返すのは、 直近に実行された MySQL 関数( mysql_ error( ) と mysql_ errno ( ) は除く) のエラー文字列だけであること. Most often, the output message from MySQL doesn' t let you see enough of the query in the error message to let you see. php $ con= mysqli_ connect( " localhost", " my_ user", " my_ password", " my_ db" ) ; / / Check connection if ( mysqli_ connect_ errno( ) ) { echo " Failed to connect to MySQL : ". mysqli_ connect_ error( ) ; } / / Perform a query, check for error. if you are having password on localhost then use password otherwise leave it blank $ con = mysqli_ connect( " localhost", " root", " yourpassword", " yourdb" ) ;. A Database Error Occurred Error Number: 1062. Duplicate entry ' 62- 88' for key ' subscription'. INSERT INTO subscriptions ( user_ id, subscribed_ to, date ) VALUES ( ' 62', ' 88', ' : 15: 13' ).