php

What to know - for building a form with PHP and MySQL

Hello all, I have three weeks to perform the following basic task. I wish to create an online form in PHP that will get 5 numbers and with them: save the numbers to a MySQL DB do a simple computation on the numbers and return them as an output to the visitor I already have a domain, hosting and a MySQL database+user. I don't know ...

Does using the converting input from HTML forms into htmlentities protect attacks invoving JavaScript insertion?

Hi everyone, I was wondering if converting POST input from an HTML form into html entities, (via the PHP function htmlentities() or using the FILTER_SANITIZE_SPECIAL_CHARS constant in tandem with the filter_input() PHP function ), will help defend against any attacks where a user attempts to insert any JavaScript code inside the form fi...

How can I get a 302 redirection URL's Location header in PHP?

I am trying to find a universal way to expand most if not all of the shortened URLs out there. I know short URLs such as bit.ly, TinyURL, goo.gl, etc use the 302 redirection method to redirect you to another site. How can I make a HEAD request to the shortened URL in php and get the "Location" part of the header? Please help me with thi...

PHP, display image with Header()

I'm displaying images from outside my web root, like this: header('Content-type:image/png'); readfile($fullpath); The content-type: image/png is what confuses me. Someone else helped me out with this code, but I noticed that not all images are PNG. Many are jpg or gif. And still they are displayed successfully. does anyone know why...

Resize a photo after being submitted with a form via PHP

I am working on a form that adds employee information to a MySQL table and I need to attach a single photo to the file. This is part of a Content Management System and the users do not know how to resize photos, so I need to resize the image to a set size after it is uploaded. How can this be done with PHP? Please note, I am not trying t...

ASP.NET equivalent of this PHP code

Please provide asp.net equivalent of this php code. $ip = $_REQUEST['ip']?$_REQUEST['ip']:$_SERVER["REMOTE_ADDR"]; $client = new SoapClient(null, array( 'location' => "http://www.itistimed.com/soap/whois-city.php", 'uri' => "http://www.itistimed.com/soap/req")); $data = $client->ipToCountryCity($ip); var_dump($data); Will...

Return column alias as associative array key

Say I have the following: $query = " SELECT user_id,email,password, roles.role_id,role_name FROM users JOIN roles USING(role_id) LIMIT 1 "; $result = mysql_query($query); $user = mysql_fetch_assoc($result); Then if I print_r($user) I get: Array( [user_id] => 1 [email] => [email protected] [password]...

Having trouble with instantiating objects in PHP & Ajax custom shopping cart

This is my first time playing with both ajax and objects, so please go easy on me I have 3 pages that make up the tester shopping cart. 1) page with 'add' 'remove' buttons and ajax code to call the PHP functions on page 2. this is the actual user page with the HTML output. 2) page with PHP cart function calls, receives $_GET requests ...

Are all the system's floating points operations the same?

We're making this web app in PHP and when working in the reports we have Excel files to compare our results to make sure our coding is doing the right operations. Now we're running into some differences due floating point arithmetics. We're doing the same divisions and multiplications and running into slightly different numbers, that ad...

getting mysql_insert_id() while using ON DUPLICATE KEY UPDATE with PHP

Hi-- I've found a few answers for this using mySQL alone, but I was hoping someone could show me a way to get the ID of the last inserted or updated row of a mysql DB when using PHP to handle the inserts/updates. Currently I have something like this, where column3 is a unique key, and there's also an id column that's an autoincremented ...

Single HTML Table from multiple MySQL tables

Hi! I've been struggling for a while with this one; I'll try to explain it here as simply as possible. Consider this MySQL table: +----------+-----------+---------+--------+ |status_id |session_id |pilot_id |present | +----------+-----------+---------+--------+ |1 |61 |901 |1 | |2 |63 |901 ...

How can I save an image from a file input field using PHP & MySQL?

How can I save an image safely from a file input field using PHP & MySQL? Here is the input file field. <input type="file" name="pic" id="pic" size="25" /> ...

dial windows serial modem from php

I am trying to dial a phone number from php (i have a client list in a database, and thought i could use it to ring them when i click on their name here is my code, it doesn't seem to work. I can hear the phone line click, but it doesn't seem to dial. maybe i am missing some command that needs to be sent prior to atdt? $device = "COM4"...

Using Simple_Html_Dom Find Function PHP

Hi, for a while I've been using the simple_html_dom include, but I have a question. with the find function, i've been using $something->find('table[class="class_name"]', 0); and things like that, but I don't know how to specify two things, like $something->find('table[class="class_name"][bgcolor="#ffffff"]', 0); How would that work?...

Check if a php script is still running

I have a script that listens to a jabber server and responds accordingly. Though it's not supposed to stop, last night it did. Now I want to run a cron job every minute to check if the script is running, and start it if not. The question is, how do I check if a particular script is still running? Some solutions have been posted here, b...

HTML checkbox field is being passed to PHP as checked even when it is not

Hello all, First of all thanks in advance, this has been very frustrating and I'm hoping someone can see something I'm not, I am definitely no php expert. Well here' what is going on. I have a form where I have a checkbox for people to opt in to our newletter. The form element looks like this: <label for=newsletter accesskey=N class="c...

Ideal Multi-Developer Lamp Stack?

I would like to build an 'ideal' lamp development stack. Dual Server (Virtualised, ESX) Apache / PHP on one, Databases (MySQL, PgSQL, etc) on the other. User (Developer) Manageable mini environments, or instance. Each developer instance shares the top level config (available modules and default config etc) A developer should have c...

How to disable back button in browser using javascript or any script

Im using wamp server for my php scripts. And Im having difficulties on the logout code. Every time I click on the logout link and then click on the back button on web browser it still shows the page which can only be access by the user who is logged in. I have this code at the beginning of the index.php which is called by the log out lin...

PHP XML Validation

What's the best way to validate an XML file (or a portion of it) against multiple XSD files? For example, I have the following schema for a configuration loader: <xsd:schema xmlns="http://www.kauriproject.org/schema/configuration" xmlns:xsd="http://www.w3.org/2001/XMLSchema" targetNamespace="http://www.kauriproject.org/sch...

Find number of differences in 2 strings

int n = string.numDifferences("noob", "newb"); // 2 ?? ...