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• php cURL problem

  - by dfilkovi

  I have a problem logging onto a page and then using it with cURL. I login, get PHPSESSID and cookie, and then try to do an action but page returns 'not logged in'. But if I manually log in and copy/paste that PHPSESSID into curl cookies .txt file, everything works fine. So why doesn't it work with PHPSESSID from cURL?

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• Assign debug_backtrace() To a variable in PHP

  - by streetparade

  I tryed to email me debug_backtrace() but it just prints out the array. I need to assign it to a variable so that var_export can work with it. How can i do that?

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• Best method to cache objects in PHP?

  - by Martin Bean

  Hi, I'm currently developing a large site that handles user registrations. A social networking website for argument's sake. However, I've noticed a lag in page loads and deciphered that it is the creation of objects on pages that's slowing things down. For example, I have a Member object, that when instantiated with an ID passed as a construct parameter, it queries the database for that members' row in the members database table. Not bad, but this is created each time a page is loaded; and called more than once when say, calling an array of that particular members' friends, as a new Member object is created for each friend. So on a single page I can have upwards of seven of the same object, but containing different properties. What I'm wanting to do is to find a way to reduce the database load, and to allow persist objects between page loads. For example, the logged in user's object to be created on login (which I can do) but then stored somewhere for retrieval so I don't have to keep re-creating the object between page loads. What is the best solution for this? I've had a look at Memcache, but with it being a third-party module I can't have the web host install it on this occasion. What are my alternatives, and/or best practices in my case? Thanks in advance.

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• (PHP) - Changing two substrings inside a string

  - by Imp4ct

  This is my BIG string BEGIN:VEVENT UID:xxxxxx DTSTAMP:xxxxxx STATUS:CONFIRMED CLASS:PUBLIC URL:xxxxxx SUMMARY:YYYYYYY DESCRIPTION:xxxxxx; YYYYYYY; DTSTART:xxxxxx DTEND:xxxxxx GEO:xxxxxx LOCATION:xxxxxx END:VEVENT I need to change position of the two "YYYYYYY" in SUMMARY/DESCRIPTION I have to replace them without being specific since it is implemented in a much larger function. (This string is already sliced out of a 3700 line - Calendar) pls help! :)

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• How to open multiple socket connections and do callbacks in PHP

  - by Click Upvote

  I'm writing some code which processes a queue of items. The way it works is this: Get the next item flagged as needing to be processed from the mysql database row. Request some info from a google API using Curl, wait until the info is returned. Do the remainder of the processing based on the info returned. Flag the item as processed in the db, move onto the next item. The problem is that on step # 2. Google sometimes takes 10-15 seconds to return the requested info, during this time my script has to remain halted and wait. I'm wondering if I could change the code to do the following instead: Get the next 5 items to be processed as usual. Request info for items 1-5 from google, one after the other. When the info for item 1 is returned, a 'callback' should be done which calls up a function or otherwise calls some code which then does the remainder of the processing on items 1-5. And then the script starts over until all pending items in db are marked processed. How can something like this be achieved?

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• php exec and shell_exec not working

  - by chris

  I want to run an exe file on my server and return the output to the browser screen. The exe file takes a input file and then returns data on the screen. Why is this code not working? $output = shell_exec('myprogram < INP.DAT'); echo "<pre>" . var_export($output, TRUE) ."</pre>\\n"; It displays "NULL" on the browser screen. I have also tried exec(). There it returns "Array()".

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• PHP object cannot find method

  - by Daniel Hertz

  Hello, So I have a very simple class that has a method called getThumbUrl() but when I try calling this method on an instance I get Notice: Undefined property: FlickrImage::$getFullUrl But it is clearly there. Here is the code of the function: public function getThumbUrl() { return "http://farm".$this->_farm.".static.flickr.com/".$this->_server."/".$this->_id."_".$this->_secret."_t.jpg"; } And here is where it fails: foreach($photos as $photo) { echo "<img src='$photo->getFullUrl()' />"; } Any ideas? Thanks!

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• A self-creator: What pattern is this? php

  - by user151841

  I have several classes that are basically interfaces to database rows. Since the class assumes that a row already exists ( __construct expects a field value ), there is a public static function that allows creation of the row and returns an instance of the class. Here's a pseudo-code example : class fruit { public $id; public function __construct( $id ) { $this->id = $id; $sql = "SELECT * FROM Fruits WHERE id = $id"; ... $this->arrFieldValues[$field] = $row[$value]; } public function __get( $var ) { return $this->arrFieldValues[$var]; } public function __set( $var, $val ) { $sql = "UPDATE fruits SET $var = $val WHERE id = $this->id"; } public static function create( $id ) { $sql = "INSERT INTO Fruits ( fruit_name ) VALUE ( '$fruit' )"; $id = mysql_insert_id(); $fruit = & new fruit($id); return $fruit; } } $obj1 = fruit::create( "apple" ); $obj2 = & new fruit( 12 ); What is this pattern called? Edit: I changed the example to one that has more database-interface functionality. For most of the time, this kind of class would be instantiated normally, through __construct(). But sometimes when you need to create a new row first, you would call create().

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• PHP: Remove the first and last item of the array

  - by phpBOY

  Hi, Suppose I have this array: $array = array('10', '20', '30.30', '40', '50'); Questions What is the fastest/easiest way to remove the first item from the above array? What is the fastest/easiest way to remove the last item from the above array? So the resulting array contains only these values: '20' '30.30' '40'

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• Get websites title and description, save to utf8 table, php/mysql

  - by Geteburg

  Hi guys, I've been trying today all day to figure this out and I have no idea. What I want: Get the title and meta description of any kind of website. Save this info to utf table in mysql. What the problem is? Different sites have different charsets which results in that some have chinese, some contain umlauts (german), then we have russian and so on.. I've tried preg_match which works for some while not for others, i've tried DOMdocument which is the same as preg_match. Is there any class available that will do this? Hope someone can help, thanks.

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• php preg_split w/regex

  - by 102319141763223461745

  returned: Array ( [0] = Array ( [0] = 17:30 Football 18:30 Meal 20:00 Quiet [1] = 0 ) ) while I was hoping for: Array ( [0] = Array ( [0] = Football [1] = 7 ) [1] = Array ( [0] = Meal [1] = 22 ) etc. What can I do?

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• php curl: i need a simple post request and retrival of page example

  - by ufk

  Hiya. i would like to know how to send a post request in curl and get the response page thanks

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• what does $$ mean in PHP?

  - by chicane

  example a variable declaration within a function: what is $$ mean? global $$link; thanks

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• Sort Array in PHP

  - by DonCroce

  I have a script which gets some values from a DB. The structure of the vars is as the following: $dump["likes"] = 1234; $likes["data"][$i]["name"] = "ABCDEFG"; for($i=0;$i<=$max;$i++){ $data[$i]["likes"] = $dump["likes"]; $data[$i]["name"] = $likes["data"][$i]["name"]; } //Print Here Sorted array (highest value in "like" first) I just need a way to find out in which entry the biggest "likes" are :) So far i have tried array_multisort, but it showed me "inconsistent size" or some error... Thanks for all your help!

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• PHP MYSQL SIMPLE SEARCH ISSUE

  - by Kunal

  Hi I have a table with the following structure: id int(11), name varchar(250) I have lots of records in the table but when I am trying to find a particluar record which has the following value on the name field: Lorem ipsum d\'olor sit amet The query is simply returning a blank recordset. I am not being able to figure out this weird behaviour, when my query is as simple as follows: SELECT * FROM slot_games WHERE name='Lorem ipsum d\'olor sit amet' Would appreciate your help please! Thanks in advance.

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• PHP GD issues with ImageCreateTrueColor and PNGs

  - by DrPheltRight

  I am resizing PNG images using the GD image library function ImageCopyResampled(). It all works fine, I can even keep alpha blending transparency with the use of ImageCreateTrueColor() rather than using ImageCreate() to create the resized image. The problem is, that if I use ImageCreateTrueColor() rather than ImageCreate() the file size of PNG files increases from something like 80kb to 150kb. If I use ImageCreate() the file size stays around the same size, but colors screw! So my question is, how can I retain alpha blending when resizing PNG images without increasing the file size? Oh and I am reducing the dimensions of the PNGs.

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• from string to array (PHP)

  - by Valdas

  best way to make array from string? Very thanks.

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• PHP --> SQL Server + Excel file upload from a specific row

  - by lucky

  I have a requirement in which, i need to upload an excel file into SQL Server database. It is working well till this point. But sometimes i am getting excel file in such a way, that the first 2 rows and columns are empty rows. That is not even fixed every time. so the format of the table after upload is not as expected. It is assigning F1, F2 as column names for the table in SQL Server. It varies from file to file. I want to program it in such away so that the user can enter the row number and the column number from where the actual data is starting. So that while upload it should from line 3 and column 2. I don't know how to specify that row and column while uploading. Please help me to solve the same.

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• mail function use in php

  - by bhalgamaprashant

  i want to use mail function without use smtp

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• PHP sort multidimensional array by value

  - by stef

  How can I sort this array by the value of the "order" key? Even though the values are currently sequential, they will not always be. Array ( [0] => Array ( [hashtag] => a7e87329b5eab8578f4f1098a152d6f4 [title] => Flower [order] => 3 ) [1] => Array ( [hashtag] => b24ce0cd392a5b0b8dedc66c25213594 [title] => Free [order] => 2 ) [2] => Array ( [hashtag] => e7d31fc0602fb2ede144d18cdffd816b [title] => Ready [order] => 1 ) )

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• php array key issue

  - by Fearghal

  Hi guys.. ok so i have the following array: 0 - 208533 1 - 208523 2 - 208522 3 - 208572 4 - 208518 5 - 208501 6 - 208534 7 - 208499 All i need is a quick function that'll start the array key at 1 rather than 0. eg: 1 - 208533 etc Any ideas? Thanks!

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• MySQL Table Loop using PHP

  - by JM4

  I have an online form which collects consumer data and stores in a dedicated MySQL database. In some instances, data is passed in the URL under the "RefID" variable which is also stored in the database and attached to each registration. I use the 'mysql_num_rows ($result)' to fetch all agent details on another page but this only returns ALL available details. My goal is as follows: GOAL I want to create an HTML table in which rows are automatically generated based on the list of all registrations on my site. A new row is created IF and ONLY IF a unique RefID is present on that particular record. In the event the field is NULL, it is reported on a single line. In short, the HTML table could look something like this: RefID - Number of Enrollments abc123 - 10 baseball - 11 twonk - 7 NULL - 33 Where abc123 is a particular RefID and 10 is the number of times that RefID appears in the DB. If a new registration comes in with RefID = "horses", a new row is created, showing "horses - 1". The HTML table will be viewable by account administrators needing to see the number of enrollments for a particular RefID (which they won't know ahead of time). Anybody have any suggestions?

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• How to implement callback functions inside classes (PHP)

  - by sombe

  I need to use a class callback method on an array inside another method (the callback function belongs to the class). class Database { public function escape_string_for_db($string){ return mysql_real_escape_string($string); } public function escape_all_array($array){ return array_filter($array,"$this->escape_string_for_db"); } } Is this the right way to go about that? (I mean, in terms of the second parameter passed to array_filter)

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• Nesting if else statements in PHP to validate a URL

  - by John

  I'm currently writing up a function in order to validate a URL by exploding it into different parts and matching those parts with strings I've defined. This is the function I'm using so far: function validTnet($tnet_url) { $tnet_2 = "defined2"; $tnet_3 = "defined3"; $tnet_5 = "defined5"; $tnet_7 = ""; if($exp_url[2] == $tnet_2) { #show true, proceed to next validation if($exp_url[3] == $tnet_3) { #true, and next if($exp_url[5] == $tnet_5) { #true, and last if($exp_url[7] == $tnet_7) { #true, valid } } } } else { echo "failed on tnet_2"; } } For some reason I'm unable to think of the way to code (or search for the proper term) of how to break out of the if statements that are nested. What I would like to do check each part of the URL, starting with $tnet_2, and if it fails one of the checks ($tnet_2, $tnet_3, $tnet_5 or $tnet_7), output that it fails, and break out of the if statement. Is there an easy way to accomplish this using some of the code I have already?

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• how to change default mailed by : address in php mail()

  - by testkhan

  i have the following code $subject = "Subject Here"; $headers = 'MIME-Version: 1.0' . "\r\n"; $headers .= 'Content-type: text/html; charset=iso-8859-1' . "\r\n"; // Additional headers $headers .= 'From: Domain Name <[email protected]>' . "\r\n"; $to = $email; $body = ' My Message here '; mail($to, $subject, $body, $headers); and it send mail correctly but when i see details in the email in gmail ... it shows from Domain Name to [email protected] date Tue, May 25, 2010 at 12:41 PM subject my subject here mailed-by mars.myhostingcompany.net while i want to show my own address in mailed by section so that it should be mydomain.com instead of mars.myhostingcompany.net

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