Storing Php Code As A Variable

May 19, 2007

I would like to store php code into a variable, heres an example:

function test ($var) {
$var; //I also tried echo $var;

$string = "echo "test" ";
test ($string);

When it works, it will only output "echo test", instead of just "test".


Storing $_GET Variable In A Javascript Variable?

Mar 15, 2011

I am passing two pieces of info to a php page using the $_GET method (team1, team2). I'd like to use these as variables in some javascript. How can I do this?

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Storing Content And Php Code

Dec 2, 2005

Bascially i am stating to use a MYSQL database to hold content for my site, i request the content at will depending what i need by doing a query. Now heres where i get the problem, some of my content has php code in it, how can i do this and make it run.

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Preg_replace - Storing The Code In MySQL

Oct 6, 2007

I am putting a site together for my own reference, to take notes on php code, so I can go back later on and see how it is done. I am storing the code in MySQL. Obviously when I insert my code in to the database and pull this back out nothing is displayed.

For instance in this forum their is a small php tag you can use to enclose your php code before submitting. How does this work so when it displayed it looks like this below.
PHP Code:

<? echo "For example I enclosed this in the PHP tags before submitting to the database"; ?>

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Storing Code In MySQL Column?

Jul 29, 2010

I'm working on a pet project and I'm looking for some hints/directions regarding best practices. I'm rolling my own blog that will display code snippets....similar to the code examples used in these posts and millions of others around the interweb. The code snippets are for display only and will never be retrieved and executed. I plan on using PDO and prepared statements for the database interactions. Is it ok to store this type of code in a database? Will PDO and prepared statements be sufficient for inserting into and selecting from columns that contain code snippets?

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Storing Php Code In A Database (for Use With Eval)

Jun 6, 2007

I've got a need to store php code in my database (among the text) that I parse out and execute with eval(), and had it encrypted at first, but have seen now that the decryption process (it's a custom encryption/decryption function set) adds a good half second or so to an already-slow load time. Given that I've taken fairly adequate steps to securing my database, do you suppose there would be a problem storing the code as plain text to shave off that extra time?

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Storing URL Value Into A Variable.

Aug 17, 2007

Is there any way to store url into a variable and then use the variable to send the user back to the same page from where he came.

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Storing And Retrieving Code In Mysql Database?

Nov 10, 2010

I am working on a kind of CMS for my own website which no one else will be using but me as a way of improving my php skills, and am having problems with retrieving data from the database that holds both text and php code. I have searched the web and found that i should be using eval() for the code to be executed before it is send to the browser but cannot get it to work and can't find my mistake(s). the php code will always be the same, and is supposed to retrieve the id number of a page to use in a link (and works fine when tested by loading the code directly without retrieving it from the database) this is an example of data stored in the database


[Select]The<ahref="page_builder.php?id=<?php echo $page->id('mines_DwarvenMines') ?>">Dwarven Mines</a> have a great selection of Ores,... Of course when I leave it like this, hovering over the link in my page will show exactly that and lead to nowhere

Code: [Select]localhost/page_builder.php?id=<?php echo $page->id('mines_DwarvenMines') ?>

Most of these links appear in tips given at the end of the page and are processed as followed

Code:[Select]$questtips = $quest->getQuestTips();
$tips = "";
if ($questtips == "none")


I have tried all sorts to get the code to be executed when retrieved from the database before being send to the browser so that this particular link would say [URL[ but I cannot get it to work, though I suspect it is fairly easy. I suspect I would have to store the data in a different format in the database? And how exactly do I use the eval() function in my case?

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Storing Current Url In A Variable

Sep 2, 2007

I want to store the current page url in variable $link

I used $link=$_SERVER['PHP_SELF'];

But it gave me only pages.php if the current link is [url]

This is required as i am storing the url in a social bookmarking site ...

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Storing A Session Variable?

May 9, 2010

I have 5 forms. Each is an HTML page, that when the submit button is pressed, posts the data to a PHP page for processing (the viewer just gets taken to the next form). On the PHP page, the data is formatted and sent as an email. The problem is that the email address of the viewer is only asked for and entered on the first form, yet each of the five forms will send an email, and will need that viewers address as an $EmailFrom variable.

I wanted to pass just the email address from the first form where it is physically entered, to each of the other forms. I don't think that a "GET" method will work since there is way too many fields on the form and it will be too much data to pass in a url. I thought that storing a session variable would be my best bet. My thoughts were to put it in the first HTML page, and then destroy it in the last PHP page. But I have never done this, and have not had any luck yet. I put this code on my first HTML page, in between the DTD and the HTML tag:


Then I put this on the bottom of my PHP page:

$_SESSION['from']= $EmailFrom ;

Then on each of the remaining PHP pages, I entered this at the top:

$EmailFrom = $_SESSION['from'];

But the email address I see on the actual email I receive is:


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Subtracting 1 From A Value And Storing It In Another Variable

Feb 24, 2011

I vaguely remember running into this problem before, but I'm wondering if this just doesn't work in PHP:

echo $counter; // outputs 4
$output = $counter--;
echo $output; // outputs 4

If I do something like:

$output = $counter - 1;

I have no problems whatsoever.

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Storing Variable In Mysql

Jun 11, 2007

i have stored a variable into my database, i would like it to be a variable instead of being plain text, eg. i store $teazer in the db right, and then before i read the database i populate the vaiable $teazer rite, then i want it to come after a certain paragraph on some other page, so i figured the way to do it was to put it inside the db and it will be invoked by that variable.

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Storing A Variable To A Session?

Dec 30, 2009

I have a form that the user selects a date and member id.  I then update a table with that info and store the date to a session variable for use on another page.  Everything works except the date doesn't store to the session variable. 

if( is_array($member)){
$ddate = explode('/', $_POST['meeting_date']);
$sql_meeting_date = "$ddate[2]-$ddate[0]-$ddate[1]";


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Storing A Database Value To A Variable?

Oct 9, 2010

Quotei want to store a value from a database and use it as variable in php code

in this code i want to store value of copies in a php variable

and want that it should be more than 0 (zero)

for furthur calculations

$update_book="update book set copies=copies-1 where bookid='$bookid'";
print "<html><body background="header.jpg">


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Storing A Variable From A Function?

Dec 3, 2010

This seems really straight forward but I can't figure out why it's happening.  As a part of an account registration script, I'm randomly generating a password using a function called, generatePassword($length,$strength);

I hash the password (md5) before putting it in the database but I also email the non-hashed version to the user.  My problem is that each time I call the variable, it generates a new password so the one in the database does not match the one received by the user,

$user_password_plain = generatePassword($length,$strength);
$user_password = md5($user_password_plain);

Is there a different way to store the variable so that I can access it later in the script and it will be the same?  I tried using a session variable but that didn't seem to work either. 

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Storing An Object In A Session Variable

Apr 10, 2003

Is it safe to store an object in a session variable, allowing it to be unserialized without the class definition loaded in some cases, then, later, unserialize with the class definition loaded and continue using normally? e.g.

page 1: load class definition, start session, create new object, store in session variable

page 2: start session, don't access object stored in session

page 3: load class definition, start session, access properties / methods of object stored in session

The PHP manual says

It is strongly recommended that you include the class definitions of all such registered objects on all of your pages . . . If you don't and an object is being unserialized without its class definition being present, it will lose its class association and become an object of class stdClass without any functions available at all . . .

What I am wondering is whether that explanation should be qualified by "for that request". That is, does unserializing the object without the class definition loaded only cripple the object for that request, or does it permanently damage it when it is reserialized?

I tried a quick, simple test by creating three pages that behave as described above, and it appeared to work fine.

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Storing A Javascript Variable In A Php String

Jul 7, 2006

I have the following javascript function:

<script type="text/javascript">

function HTMLEncode( text )
text = text.replace(/&/g, "&amp;") ;
text = text.replace(/"/g, "&quot;") ;
text = text.replace(/</g, "&lt;") ;
text = text.replace(/>/g, "&gt;") ;
text = text.replace(/'/g, "'") ;
return text ;

Now I want to store the content of 'text' in a php string.
Is that possible?

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Join Two Variable Storing String ?

Jan 1, 2001

I want to join $pass1 & $pass2 variables and store it in variable $pass3.

$pass1=substr($str1, 0, 2);
$pass2=substr($str2, 0, 2);

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Storing A URL String Into A Session Variable

Dec 15, 2005

I'm wondering is there is a way to store the URL of a page into a session variable. I would then use this to create a hyperlink to the page.

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Storing Part Of A String In A New Variable

Apr 24, 2007

I have a string (usually a url as it happens) which I need to get a certain part of and then store it in a variable. i.e.

my strings are like this: ""

So basically the URL or String are the same except for the numbers change. It is the numbers I want to store in a new variable.

I think I need to use regular expressions and preg_replace but just can't get my head around how!.

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Storing A Loop As A String In A Variable?

Oct 8, 2010

I have a problem storing a PHP loop in a variable.

The loop is like this:

for( $i = 1; $i <= 10; $i++ ) {

echo $i . ' - ';

for this it's OK for an echo or print as it will produce:

1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 -

now I want to store the whole loop in a variable like $my_var which means:

echo $my_var;

which will produce:

1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 -

the whole idea is that I want to make the loop, store it as a string in a variable $my_var, than use it later in my script.

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Storing $_Session Variable In Class?

Mar 12, 2011

I want to be able to store a $_SESSION variable from my class but it does not seem to be working. I searched stackoverflow and googled for quite some time and was not able to find sufficient information to know whether this is possible or not.

Can I store a $_SESSION variable in my class? I cant seem to access it outside of the class.

class myClass {
public function authorizeLogin($email,$password) {
global $_SESSION;
//Query to authorize user
$q_auth = $this->query("
SELECT first_name,last_name,email,date_registered,access_id
FROM users
WHERE email = '$email' AND password = '$password'");

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Using Curl And Storing Cookie As Variable?

Jul 10, 2011

i have a curl function that visits a website, logs in to said website, stores the cookie file, then can later read the cookie file to visit a page that would normally require a login. problem i am faced with is i want to save and retrieve the cookie file using a php variable but cant seem to get it to work.


i assume the syntax is wrong, and not that curl cant handle a variable as a location?

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Storing A Object In A Session Variable?

Jan 11, 2010

I'm writing one of my first classes. I work for an insurance broker and am trying to use a Class to store things about a quote, and store the Object as a session variable. Thing is, when I view the session variables, I get:

__PHP_Incomplete_Class Object


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Storing Last_insert_id() In A Session Variable?

Mar 1, 2010

In my project i wanna use the last_insert_id() to be stored in a session variable and after that i wanna use that session variable i.e., the value of last_insert_id() in another page. How can i carry the last_insert_id() to some other page using session or storing it in a session variable ?

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Storing Data From Mysql As Variable?

May 18, 2009

I got my code (below) basically it is to resend user activation email if they for some reason or other did not get it first time etc. It sends the email and everything etc... what i need to do it not only get the user email address which i can do no problem but to also fetch the user activation key and username from the DB. Now if you look in my code i put

$query = ("SELECT * FROM userinformation WHERE `email` = '$email', `username` = ' ', `activationkey` = ' ' ");

the email part of it works as it checks the email address the user put in form against the DB but the activationkey and username part it does not get from DB. I need to get the activation key from DB and username to as it needs to be stored in a variable like the email so it is sent along with the email. Problem is like i said the activation key and username is not being fetched from DB.


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Storing A Variable After Page Change?

Apr 25, 2011

I have a sign-up form -- its split accross 3 pages. Page 1=personal info, page 2=company info, page 3=password and username info. I have set up a db that is temporary so each time information is entered it adds it to the db then once registration is finalized, it will add the user to the permanent db. My question is, if I assign an ID after the first of 3 forms is submitted and store that in a variable, after the page changes will the variable retain it's value or do I have to store it somewhere in the page to reference it? I'm doing this so I can add the following information to the correct client but I'm learning PHP.

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Storing Echoed Strings In A Variable?

Jul 28, 2009

How to grab the string that a function echoes to a variable?I've go a function similar to this:

function echoer() {
echo 'foo';


I cannot change it's source.What I would like to do is to store 'foo' in a variable instead of letting it go to the standard output.How is it done in PHP?

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Storing PHP In A Database To Then Call It With A Variable

May 31, 2007

I am having a problem sending a small php code through a mysql database.  I am trying a simple echo command like <? echo "$usersname"; ?> inside of the html that is saved in my database. I call the content for each page like this: Code:

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Storing Class Variable In Session?

Jul 27, 2009

how Can we store a class variable in session?

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$_SESSION Variable Not Storing With Captcha Script

Mar 1, 2007

I am currently using a simple captcha script and am using a PHP file to create the image and using session_start() and $_SESSION['securitycode'] to set the actual text when it generates. The problem is its not storing the session variable.

Any suggestions or reasons why a $_session variable would not 'stick'? Is there a setting somewhere? I created a much simpler session file to test and it worked as follows: ....

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Storing The Selected Value Of A Select Control In A Variable?

Feb 7, 2011

Lets say i have an html control of the form

<input name='options' value='one' title='ABC'>
<input name='options' value='two' title='XYZ'>

The user selects one of the options. How can i store the selected option in a variable on the same page without using the $_POST. This form posts onto another page.

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Storing Multiple Values In A Single Variable?

Mar 27, 2011

<form action="" method="post">
<input type="submit" name="foo" value="A" />
<input type="submit" name="foo" value="B" />
<input type="submit" name="foo" value="C" />
<input type="submit" name="foo" value="D" />
$letters = $_POST['foo'];

each time form submit $letters will be filled with respective values. so $letters can be "A" or "B" or "C" etc. is it possible store all submitted values at a time? say when I echo $letters it should give "ABCD" or "BCDBA" or whatever order form is submitted.

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Storing Value Into Variable And Display In Wordpress Loop

Apr 2, 2011

I am using a wordpress plugin called advanced custom fields that basically creates custom write panels on the backend, and gives you php shortcodes to insert into your template files. It looks like the following:

<?php echo get_field('video-slug'); ?>

This will return a slug value that I need for the wordpress loop. My wordpress loop is as follows:

<?php $loop = new WP_Query( array( 'post_type' => 'videos', 'artist_name' => 'HERE IS WHERE I WANT THE SLUG', 'post_child' => 0, 'posts_per_page' => 5 ) ); ?>
<?php while ( $loop->have_posts() ) : $loop->the_post(); ?>
<?php endwhile; ?>

the first line of the loop requires that slug that was created above. I cannot simply enter <?php echo get_field('video-slug'); ?> into the loop because it will cause a php error. Perhaps I can create a variable and then put that into the loop? Basically, I need to know how to take a php generated value, perhaps store it in a variable, and then use that variable in my loop as follows: 'artist_name' => '$variable' or something like this.

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Storing Multiple Integer Variables In 1 Variable?

Jul 3, 2011

I'm creating a php script which creates a random number which is 7 digits long and doesn't contain 0's, the only problem with this is that I have to call the function rand 7 times and store every number generated in a different variable, but I was wondering how I could put these numbers together in a variable instead of adding them together

something along the lines of
$security_number = $1&&$2&&$3 and so on.

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Storing A Rendered Element In A Variable In CakePHP?

Apr 26, 2011

I am having some trouble trying to "capture" the rendered html of an elmenet in cake php.

Say I have an element named "message.ctp"

I would like to do something like the following:

A making a $.getJSON request to an action in a controller say jsonAction(). Within this action I will perform some DB updates and return a json string. I would like to store the html is a part of the json object. Doable?

function jsonAction() {
//Do DB update
if(db update was ok) {
$response = array("completed" => true, "html" => $this->render("message"));
} else {
$response = array("completed" => false);
echo json_encode($response);

What seems to be happening right now is that the render method echos the rendered value instead of returning it.

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Storing Database Connection In A Session Variable?

May 21, 2011

Many of us have written PHP applications that require databases; mostly MySQL, but I have often used very small MS Access databases for people less technically capable so they can download an tweak them/save backups/etc. on their own (whether this is correct or not, I have no idea).

What I notice, is a lot of time is spent connecting and running some of the same queries. Because of this I had an interesting thought: Storing the connection and possible result sets that are mostly static in a $_SESSION variable to reduce the burden as the user navigates the site.

Obviously doing so requires a lot of consideration. Things like closing the connection when the session is destroyed is just the start.

My question boils down to: Is this really something possible? And if so, what things should I be aware of (besides session fixation, as it is its own problem that applies to all sessions)?

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Foreach Array Function Storing In A Variable?

Mar 18, 2011

$numbers = array('1','2');
$numberlist = foreach($numbers as $number) {
echo $number;

As you can see what I'm trying to do it doesn't work is there any other way to store a foreach function as a variable?

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Selected The Session Variable Is Still Storing The Previous Value

Mar 16, 2010

i have a piece of code that finds the sum of the credits of the courses that were chosen in the multiple drop down list. my code works fine when there is a value that was selected and i can easily assign the variable to the session variable. however i an having some problems when there was nothing that was selected from the multiple select drop down list. when nothing is selected the session variable is still storing the previous value when i want it to be storing zero here is my code below

$q="SELECT sum(credits) FROM courses WHERE course_code='$val'";
if ($result2=mysql_query($q))
$count2= mysql_num_rows($result2);
$row = mysql_fetch_row($result2);
echo $first;

i tried UN setting the session variable but i was also having some trouble doing that since the $sum variable is just blank when nothing is selected.

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Storing A Config File With Variable In A Database?

May 24, 2011

I have several config files for routers. Variables are between < >

port aps-<x>
description "<VAR1>;<port_APS>"


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Storing Values In Session Variable And Doing Calculations

Oct 26, 2010

I am working on a PHP web form and I have a very simple situation I guess, I have a variable named: $MyVal
When I do

To see whats inside, I get:

SimpleXMLElement Object ( [0] => 8.23 ) Now I am assigning this variable into a session variable so that I can do calculations with it. So I assign:

$_SESSION['MySesVal'] = $MyVal;

But after assigning to session variable, when I do my calculations:

$finalValue = $_SESSION['MySesVal'] * 4;

I get 0. So is it because the actual $MyVal variable has some XML stuff as:

SimpleXMLElement Object ( [0] => 8.23 )

So what is the right way to properly assign $MyVal variable to a session variable to do calculations.

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Imploding Array And Storing The Result Back To Same Variable?

Jul 30, 2010

Are there any pit falls in the below code . Is it safe to use this way. I will not be using the array again

$records_msg = implode(" ",$records_msg);

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Storing Multiple Values Of A Variable In Cookie And Comparing?

Jan 4, 2011

How can i store multiple values for a variable in cookie using php, for example $id = 1,2,4,5 Then how can i compare the stored values with a variable? for example, $new_id=4, i want to check if $new_id value exists in the stored values of $id in cookie.

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Storing And Retrieving Data In/from $ _ SESSION Variable In While Loop

Apr 7, 2010

I have two pages. Firstpage.php retrieves a data from database, and displays them in a table format, and stores them in the $_SESSION. both are acheived using while() loop.

In the secondpage.php , I try to retrieve data from $_SESSION variable and display them using foreach loop.

But as of now the $_SESSION variables on firstpage.php is just able to save one record from the database. As it only displays one record in secondpage.php

Below is the code mentioned for both the pages.

PHP Code:
<?php session_start();
$filelistSQL="select * from files";
$exelistarray=mysql_query($filelistSQL) or die (mysql_error);
while ($filelistarray=mysql_fetch_array($exelistarray))


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Write A Short Piece Of Code Storing Query String Data In A DB Using Wordpress?

Apr 10, 2011

Before anything pops up in your mind, please understand that I am very new to PHP and to be honest, I am depending exclusively on stack overflow to build my simple and first php web application. I am trying to get the data from a query string and store it in my database. I want someone to write a short piece of code to check whether the string exists and if it does, add it to my database. I am using wordprss so i think we can use $_GET and $wpdb but i don't know the syntax. The url with querystring is something like:[URL]....

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