Question

Insert Strongly Typed Object into mySQL from PHP

Asked by: coconutelegraph

I'm new to PHP so this will probably be a simple question to answer. I am using zend_amf to pass strongly typed objects between PHP and Flex 3. Zend_AMF seems to be working fine as I'm able to retrieve records from mySQL and bind them to my data grids. The challenge I am having is with inserting data. When I create a new record in Flex I'm passing an object back to PHP to save in mySQL.

What is the syntax for inserting an object into mySQL? Do I have to pull out each attribute?

The code sample below demonstrates what I am attempting to do , without much success. I've attempted to debug and I'm getting a fault code 0 without any details.

Thanks in advance for your help.

public function saveUser($userObj)
	{ 
 
//Instantiating new VOUser Object, assigning passed argument $userObj to new VOUser, assigning object attributes to variables for mysql_real_escape_string. 
 
		$tmp = new VOUser();  
		$tmp = $userObj; 
		$userID = $tmp->userID; 
		$userFirstName = $tmp>userFirstName; 
		$userLastName = $tmp->userLastName; 
		$userEmail = $tmp->userEmail; 
				
		$mysql = mysql_connect(DATABASE_SERVER, DATABASE_USERNAME,DATABASE_PASSWORD); 
		mysql_select_db(DATABASE_NAME);
		
		$query = sprintf("INSERT INTO campaigns VALUES('%s', '%s', '%s','%s' )", 
			mysql_real_escape_string($userID),
			mysql_real_escape_string($userFirstName), 
			mysql_real_escape_string($userLastName),
			mysql_real_escape_string($userEmail)); 
			
		mysql_query($query); 
	}

                                  
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Asked On
2009-09-09 at 14:12:11ID24719617
Tags

PHP

,

Zend_AMF

,

Flex

Topics

PHP Scripting Language

,

MySQL Server

,

PHP and Databases

Participating Experts
2
Points
500
Comments
12

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Answers

 

by: coconutelegraphPosted on 2009-09-09 at 14:54:05ID: 25295938

I figured out why I was getting a Fault code zero. I've fixed it and now I get:

faultCode:Client.Error.DeliveryInDoubt faultString:'Channel disconnected' faultDetail:'Channel disconnected before an acknowledgement was received'

which usually indicates a problem with the mySQL statement. thanks.

 

by: cxrPosted on 2009-09-09 at 15:02:39ID: 25295992

Change line 22 into this:

$result = mysql_query($query);
if(!$result) die('Error: '.mysql_error()."<br />\nQuery: ".$query);

This will give you the mysql error, which will give more details about what is wrong.

 

by: Slick812Posted on 2009-09-10 at 09:36:31ID: 25301899

hello coconutelegraph, ,  in your code -
$userFirstName = $tmp>userFirstName;
youleft out a -
$userFirstName = $tmp->userFirstName;

I am wondering about your use of the  VOUser()  object ? ?, you have this code -
$tmp = new VOUser();  
$tmp = $userObj;

I do not think you need to  Initialize a VOUser() object if the $userOb is a VOUser() object,
also, I wonder if the copied object is valid?
I think I would try using a passed Reference  &$userOb  for the object, instead of a Copied object as you do

public function saveUser(&$userObj) {// use a reference with &  , not a copy object
   $userID = $userObj->userID; 
   $userFirstName = $userObj->userFirstName; 
   $userLastName = $userObj->userLastName; 
   $userEmail = $userObj->userEmail; 
// other code here}
 
OR pass the data to the function, and NOT an Object
 
public function saveUser($userID, $userFirstName, $userLastName, $userEmai) {// No Object
// other code here}

                                              
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by: coconutelegraphPosted on 2009-09-10 at 10:32:30ID: 25302446

Slick812,
Thanks for the info. This got rid of the fault messages and fires off my resultHandler indicating the save was successful. However, upon database inspection the records are not getting added. Still digging around. Thanks again.

 

by: Slick812Posted on 2009-09-10 at 13:19:23ID: 25303859

???, you may need to define the "Fields" that you want to insert the data into in your query statement,
I do not see why you use the  sprintf  for your query creation

below is some code That uses a more secure mysqli, you do not need to have the mysql_real_escape_string() with mysqli

$mysqli = new mysqli('localhost', 'user', 'password', 'database');
if (!mysqli_connect_errno()) {
    // define the field1, field2, field3, field4 below as the field names in your table
	$query = "INSERT INTO campaigns (field1, field2, field3, field4) VALUES (?,?,?,?)";
	$stmt = $mysqli->prepare($query);
	$stmt->bind_param("ssss", $userObj->userID, $userObj->userFirstName, $userObj->userLastName, $userObj->userEmail);
	if(!$stmt->execute()) echo 'execute has failed<br>'; else echo 'Rows Inserted '.$stmt->affected_rows.'<br>';
	$stmt->close();
	$mysqli->close();
 } else echo '<b>BIG mysqli ERROR - did NOT create the mysqli Object '.mysqli_connect_error().'</b>';

                                              
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by: cxrPosted on 2009-09-10 at 13:54:27ID: 25304226

>> you do not need to have the mysql_real_escape_string() with mysqli

That is true if you use the mysqli::prepare() method. You can also use mysqli in the "oldfashioned" way, with mysqli::query(). In that case, you need to escape the input using mysqli::real_escape_string(), just as with the classic mysql extension.

http://php.net/manual/en/mysqli.real-escape-string.php

coconutelegraph, did you insert error checking like I suggested above? Do you get a mysql error?

 

by: coconutelegraphPosted on 2009-09-10 at 13:59:39ID: 25304297

cxr,
I did add the error checking but I'm not seeing any output (most likely due to my lack of experience with PHP). The file VOUser is called from Flex.

I have three seperate files for zend_amf

1.) index.php
2.) VOUser.php (user class)
3.) userService.php (which includes VOUser)

Any suggestions or workarounds? I've checked the PHP logs and they are ok. Thanks.

 

by: cxrPosted on 2009-09-10 at 14:50:55ID: 25304892

Sorry, I have no experience with Flex or zend_amf.

 

by: coconutelegraphPosted on 2009-09-10 at 15:00:00ID: 25304965

cxr,
No problem. This is a PHP/mySQL issue. The object is passed to PHP with all the right data. I've checked using Charles.

If you were testing a php file that instantiated multiple classes how would you go about testing? It seems that when I debug, the issue is that I'm unable to simulate the input of the query variables.

Thanks.

 

by: cxrPosted on 2009-09-10 at 15:11:13ID: 25305039

The saveUser() method you have posted above must be part of a class, which class is that? Is it VOUser? If so, I would test it with something like this:

$o = new StdClass();
$o->userID = 1;
$o->userFirstName = 'First';
$o->userLastName = 'Last';
$o->userEmail = 'Email';
$u = new VOUser();
$u->saveUser($o);

                                              
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by: Slick812Posted on 2009-09-10 at 17:26:47ID: 25305852

you say
" the issue is that I'm unable to simulate the input of the query variables"
from reading the first code of this question, I am not sure what you want (need) to test, if you want a test of the mysql_query()
you might try to insert strings instead of function passed variables
$userID = ''AnID';
$userFirstName = date("M j, g:i a");
$userLastName = 'LastName';
$userEmail = 'user@mail.net';
// now use the database INSERT query with the strings above to test

if you want to test the  VOUser()  object, after you place a value into the object, echo it out
$vouserObj->userID = 'ID654321';
echo $vouserObj->userID;

but I am guessing that you might mean something else for testing? ?

 

by: coconutelegraphPosted on 2009-09-11 at 13:32:09ID: 31626838

Both methods got me a step closer. Thanks.

20120131-EE-VQP-002

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