The induced error is an fk-constraint violation, I put in an $aA which is not in TableA. The new PHP if-else: if ($numA==1 && $numB==1){ $newC= "call sp_intoTableC ('$aA', '$aB','$c3po')"; $rNewC = mysqli_query($con,$newC); } if ($rNewC) { printf("\"".$...
Topic: PHP / MySQLPrev|NextAnswer: Use the ini_set() FunctionFor security reasons, error display in production environments is disabled by default.But, if you want to display errors in a PHP file for debugging purposes, you can place these lines of code at the top of your PHP file...
It is never a good idea to die in your code with an error message.PHP有非常好的错误报告和逻...
我的MySql一直是处于start状态，我把这个关掉以后，再关机就是秒关了，开机后MySql也是自启的，没有其他...
Like me you maybe using an Ubuntu computer running Apache, MySQL and PHP to develop websites. When developing it is important to see error messages to debug your code. On occasion I have installed PHP on to Ubuntu computers and by default errors are not displayed. As this is not a produc...
<?php $con = mysql_connect("localhost","peter","abc123"); if (!$con) { die('Could not connect: ' . mysql_error()); } mysql_select_db("my_db", $con); mysql_query("DELETE FROM Persons WHERE LastName='Griffin'"); mysql_close($con); ?> 在这次删除之后,表是这样的: FirstName...
Mysql Dump : count() Parameter must be an array of an object that implements countable Mysql error: Backtrace ./libraries/display_export.lib.php#380: PMA_pluginGetOptions( string 'Export', array, ) ./libraries/display_export.lib.php#883: PMA_getHtmlForExportOptionsFormat(array) ./librar.....
Mysql error: Backtrace ./libraries/display_export.lib.php#380: PMA_pluginGetOptions( string 'Export', array, ) ./libraries/display_export.lib.php#883: PMA_getHtmlForExportOptionsFormat(array) ./librar... iPhone simulator continues to fail loading a webpage with the error sigabrt ...
In this script the data is not formatted when it is printed: <?php $username = "username"; $password = "password"; $database = "your_database"; $mysqli = new mysqli("localhost", $username, $password, $database); $query = "SELECT * FROM table_name"; echo " Database Output ...
This PHP script fails to display an error message when I deliberately induced an error by providing a wrong B_ID from TableB (its an FK constraint): <?php $con = mysqli_connect("localhost", usr, pwd, instance); mysqli_set_charset( $con, "utf8mb4" ); if (mysqli_connect_errno...