How can i see sql error in php?
❮ PHP MySQLi Reference Show Example - Object Oriented styleReturn the last error description for the most recent function call, if any: $mysqli = new mysqli("localhost","my_user","my_password","my_db"); if ($mysqli -> connect_errno) { // Perform a query, check for error $mysqli -> close(); Look at example of procedural style at the bottom. Definition and UsageThe error / mysqli_error() function returns the last error description for the most recent function call, if any. SyntaxObject oriented style:Procedural style:Parameter Values
Technical Details
Example - Procedural Oriented styleReturn the last error description for the most recent function call, if any: $con=mysqli_connect("localhost","my_user","my_password","my_db"); if (mysqli_connect_errno()) { // Perform a query, check for error mysqli_close($con); ❮ PHP MySQLi Reference (PHP 4, PHP 5) mysql_error — Returns the text of the error message from previous MySQL operation Descriptionmysql_error(resource Parameterslink_identifier
The MySQL connection. If the link identifier is not specified, the last link opened by mysql_connect() is assumed. If no such link is found, it will try to create one as if mysql_connect() had been called with no arguments. If no connection is found or established, an
Return Values Returns the error text from the last MySQL function, or ExamplesExample #1 mysql_error() example
The above example will output something similar to: 1049: Unknown database 'nonexistentdb' 1146: Table 'kossu.nonexistenttable' doesn't exist See Also
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How can I see SQL query error in PHP?You can just use: $this->db_link->error to get the last error message. For all errors use $this->db_link->error_list .
How can I get MySQL error code in PHP?Description ¶
Instead, use mysql_error() to retrieve the error text. Note that this function only returns the error text from the most recently executed MySQL function (not including mysql_error() and mysql_errno()), so if you want to use it, make sure you check the value before calling another MySQL function.
How do I view MySQL errors?The SHOW COUNT(*) ERRORS statement displays the number of errors. You can also retrieve this number from the error_count variable: SHOW COUNT(*) ERRORS; SELECT @@error_count; SHOW ERRORS and error_count apply only to errors, not warnings or notes.
What is use of Mysqli_error in PHP?The error / mysqli_error() function returns the last error description for the most recent function call, if any.
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