passing variable from one method to another in a php class

i am unable to pass the variable from one php method to another in a class
private $pid;

class photos
{

private $pid;
function showactivitypics(){

$sql = mysql_query(“SELECT * FROM activity “);
while ($row = mysql_fetch_array($sql)) {
[...]

Ajax Post Form – Difficulty Integrating XHR2 File Upload

I’ve searched around stackoverflow and google and found plenty of material on the subject, but non of which is helping me grasp what I’m trying to achieve.
I’m trying to create a form which asynchronously sends form data and uploads a single image, resizing, renaming and saving it to a specified directory though the same php [...]

MySQL Related Tags With Joins

So, I have a database with a table called artcles, and also a table called article tags. When a user views an article, I want to query up to five articles that have tags similar to the one that is being viewed. Here are my two tables:

CREATE TABLE `articles` (
`article_id` [...]

openssl_pkcs7_sign executed without any result

I have to connect to a service, wich uses a crypto packaged messages, so the thing that I need is to encrypt post data into pkcs7 and send it to them.
They offered this solution:
$descriptorspec = array(
0 => array(“pipe”, “r”), // stdin is a pipe that the child will read from
[...]

webpage image click call another webpage to load and drop down from image.

I have a webpage where I’m trying to figure out how to click on a image then from that image click a webpage will load in it’s place but also be extended down.
His is and example of it working on a site.
3minutegaps.com

PhP Webservices development

I was developing a PhP webservice using NuSOAP library but facing an error. I couldn’t understand the error. If anyone knows a solution, please help. Following is my code.
—— server.php ——

<?php

// Pull in the NuSOAP code
require_once(‘lib/nusoap.php’);
// Create the server instance
$server = new soap_server;

// Register the method to expose
$server->register(‘hello’);

// Define the method [...]

LightBox Js Loading Issue

I am using jQuery Lightbox Evolution – for jQuery 1.3+.
See Lightbox Demo
And i am facing weird problem.
First i have one page called home.php from this page i call login.php page.
Login.php has some js which will be called during loading login page in popup.
Now problem is that when i check process in firebug login.php page actually [...]

What is difference between session and cookie in php?

Hi I would like to know the difference between a php session and a cookie

Avoiding duplicate results mysql and php

I’m creating a commenting system with reply functionality and I’ve seen to run into an issue.
Comments table

id post_id comment replyTo

0 17 [...]

postgresql bit string or not?

I’m fiddling with bit string data type lately. And have quite curious about:

… plus 5 or 8 bytes overhead depending on the length of the string
@ the bottom of this doc page

how is it handled in other languages (PHP, Java, C#, C++, etc.) through drivers (Npgsql, ODBC, etc.)

For #1, it seems that using [...]

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