undefined-index

问题 I'm running a PHP script and continue to receive errors like: Notice: Undefined variable: my_variable_name in C:\wamp\www\mypath\index.php on line 10 Notice: Undefined index: my_index C:\wamp\www\mypath\index.php on line 11 Line 10 and 11 looks like this: echo "My variable value is: " . $my_variable_name; echo "My index value is: " . $my_array["my_index"]; What is the meaning of these error messages? Why do they appear all of a sudden? I used to use this script for years and I've never had

问题 I'm running a PHP script and continue to receive errors like: Notice: Undefined variable: my_variable_name in C:\wamp\www\mypath\index.php on line 10 Notice: Undefined index: my_index C:\wamp\www\mypath\index.php on line 11 Line 10 and 11 looks like this: echo "My variable value is: " . $my_variable_name; echo "My index value is: " . $my_array["my_index"]; What is the meaning of these error messages? Why do they appear all of a sudden? I used to use this script for years and I've never had

问题 OK, that's more than weird... Here's my code : public function results($id,$pattern=3) { $this->load->library('session'); if (!$this->session->userdata('logged_in')) { $this->session->set_flashdata('return_url',$this->uri->uri_string()); redirect('log/in','refresh'); } else { $this->load->model('projects'); $proj = (array)$this->projects->getProjectById($id); print_r($proj); $progressPercentage = number_format((float)( ($proj['progress'] * 100) / $proj['total'] ), 2, '.', ''); } } Now, here's

问题 Having some trouble with a PHP login that I found online - <?php $host="localhost"; // Host name $username="SOME_USERNAME"; // Mysql username $password="SOME_PASSWORD"; // Mysql password $db_name="b00556019"; // Database name $tbl_name="members"; // Table name // Connect to server and select databse. mysql_connect("$host", "$username", "$password")or die("cannot connect"); mysql_select_db("$db_name")or die("cannot select DB"); // username and password sent from form $myusername=$_POST[

问题 I take a form and do variable checking in jquery then pass it to a php file in ajax but I am getting this notice Notice: Undefined index: your_name in C:\xampp\htdocs\process.php on line 3 something is wrong here Notice: Undefined index: your_email in C:\xampp\htdocs\process.php on line 7 Here is my jquery code here $(".button").click(function(){ $('.error').hide(); var your_email=$("input#your_email").val(); if(your_email ==""){ $("label#youremail_error").show(); $("input#your_email").focus(

问题 I'm running a PHP script and continue to receive errors like: Notice: Undefined variable: my_variable_name in C:\wamp\www\mypath\index.php on line 10 Notice: Undefined index: my_index C:\wamp\www\mypath\index.php on line 11 Line 10 and 11 looks like this: echo "My variable value is: " . $my_variable_name; echo "My index value is: " . $my_array["my_index"]; What is the meaning of these error messages? Why do they appear all of a sudden? I used to use this script for years and I've never had

问题 Codeigniter Undefined Index Online Shop: For some reason i am getting back "Undefined index: grouping in the controller. I have added both the controller and the model below. I have just added the getProduct() code as well /*Here is my model*/ function getProductsByGroup($limit,$group,$skip){ $data = array(); if ($limit == 0){ $limit=3; } $this->db->select('id,name,shortdesc,thumbnail'); $this->db->where('grouping', $group); $this->db->where('status', 'active'); $this->db->where('id !=', (

问题 I'm running a PHP script and continue to receive errors like: Notice: Undefined variable: my_variable_name in C:\wamp\www\mypath\index.php on line 10 Notice: Undefined index: my_index C:\wamp\www\mypath\index.php on line 11 Line 10 and 11 looks like this: echo "My variable value is: " . $my_variable_name; echo "My index value is: " . $my_array["my_index"]; What is the meaning of these error messages? Why do they appear all of a sudden? I used to use this script for years and I've never had

问题 I have a page which shows items which users have saved to a MYSQL database, and echos it out along with a a check box. I would like when a user clicks this check box and clicks the save button that the record will be deleted but i am met with the errors in my title. Show holidays form. <form action="deleteProcess.php"> <?php foreach($db->query($sql) as $row) { echo "<p>" . $row['title'] . "<br \>" . $row['description'] . "<br \>" . $row['link'] . "<br \>" . $row['pubDate'] . "<input type=

问题 I'm using Jquery, Ajax and PHP to try and send a variable to be written in a mysql database. The Ajax request is being made but the variable is not being picked up by the php. I don't know why this is the case. Using firebug and console.log() I can see that a POST has been made to write_results.php If I check the Response it says Notice : Undefined index: testscore in E:\write_results.php on line 2 Here is my PHP <?php $testscore=$_POST['testscore']; //get testscore from Ajax include 'DB.php'