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Found 988 results

  1. Qazi

    Toggle Switch

    Hello everyone I am doing an IOT project in which is am successfull to send my microcontroller data to MySQL. I am receiving data in 0 and 1. Now what i want to do? I just to create a toggle switch that will ON when data in database is 1 and when data is 0 it remains OFF. secondly when i click the switch it should OFF in case it is already ON and a data 0 should be sended to database. same in case of OFF to ON. Please help me You can also use Javascript.
  2. I have changed the code, because it happens to me before with another code. The thing is my code is aparently ok but when you fill the form and send it the e-mail is not sent. Any idea, please? Thank you. I Attach the code and the html page. My web site is http://victorpan.com/contacto.html contacto.php correo.php
  3. Hello everyone I want Show Some Recorded according financial year For Example from 01-04-2016 to 31-3-2017 01-04-2017 to 31-03-2018 my Code $pst = date('Y'); $pt = date('Y', strtotime('+1 year')); $sql="SELECT *FROM mytable where date BETWEEN CAST('$pst-04-01' AS DATE) AND CAST('$pt-03-31' AS DATE)"; Anyone Can explain how i done this
  4. At Ingolme's suggestion, I've switched from simpleXML to DOMXML for this because I need to be able to replace a node. I've done my best to follow PHP.com examples, and everything seems to work up until the point of the actual replacement. I hope you can spot what's keeping it from working. The vars found in the heredoc are assigned earlier from the customer input form. if $found is positive, it contains a cId (customer ID) that exists in the DB and should be updated with any new info (code shown). If negative, it's abs() is the cId for a new node to be added (code omitted here). In $xml, the <customer> node is child of <customers>, which is child of <root>. If I comment out the replaceChild line before the break, execution continues unhindered. Nodename reports "customer" and nodetype reports 'XML_ELEMENT_NODE' for both $node and $oldNode, so I don't know what is preventing the replacement. // SAVE CUSTOMER DATA // $found= $cId; $cId = abs($found); // Create DOM from data file $xml = new DOMDocument; $xml->formatOutput = true; $xml->load("Titles data.xml"); // Create node from customer input $str = <<<XX <customer> <cId>$cId</cId> <organization>$organization</organization> <website>$URL</website> <contact>$name</contact> <email>$email</email> <phone>$phone</phone> <addr>$address</addr> <city>$city</city> <state>$state</state> <zip>$zip</zip> <orders> <oId></oId> </orders> </customer> XX; $DOMChild = new DOMDocument; $DOMChild->loadXML($str); //turn $str into DOMDoc $node = $DOMChild->documentElement; //not sure if this is right, example suggests it is $node = $xml->importNode($node, true); //Is this necessary? examples suggest it is if ($found > 0) { //if positive, $found contains cId of desired customer $list = $xml->getElementsByTagName("cId"); //list of ID's to search for ($r = $list->length -1; $r > 0; $r--) { //find customer that fits cId if ($list->item($r)->nodeValue==$cId) { //when found, $r is index to customer node list $oldnode=$xml->getElementsByTagName("customer")->item($r);// get node to be replaced $msg=$r."—"; //$msg is included in email sent later; shows arrival here $node->replaceChild($node, $oldNode); //THIS LINE FAILS, HALTING EXECUTION break; } } }
  5. So I wants to take value from URL, I create simple PHP code for taking value from URL <?php if(isset($_POST["Search"])){ $url = $_POST["url"]; $value = (explode ('v=', $url)); $videoId = $value[1]; } ?> This for taking value from this https://www.youtube.com/watch?v=value url and echo somewhere, but wants to take value from https://www.youtu.be/value , this also, but how? , work with both URLs
  6. Hi all, l'm a Newbie here I would like to create a page, which after user logged in, they was able to update number of chanting daily with number input. User may insert number and click submit button to update its. After updated, below the submit button, to show up the total number of their total chanting number, and total of all users chanting numbers. Lastly is the history of users update in table view which showing username, date of update, number of updates. Can I have the solution or any related article or site which i can referring to... Thanks all.
  7. I have a problem with an XML file that has the following structure: <?xml version="1.0" encoding="UTF-8" standalone="yes"?> <DATAPACKET Version="2.0"> <METADATA><FIELDS> <FIELD attrname="Id" fieldtype="i4" readonly="true" SUBTYPE="Autoinc"/> <FIELD attrname="Blocco" fieldtype="string" WIDTH="5"/> <FIELD attrname="Domanda" fieldtype="string" WIDTH="2"/> <FIELD attrname="Risposta" fieldtype="boolean"/> <FIELD attrname="Capitolo" fieldtype="string" WIDTH="2"/> <FIELD attrname="Indice" fieldtype="string" WIDTH="3"/> <FIELD attrname="Argomento" fieldtype="string" WIDTH="1"/> <FIELD attrname="SubArgomento" fieldtype="string" WIDTH="2"/> <FIELD attrname="Figura" fieldtype="string" WIDTH="4"/> <FIELD attrname="FiguraBlk" fieldtype="string" WIDTH="4"/> <FIELD attrname="Difficolta" fieldtype="string" WIDTH="2"/> <FIELD attrname="Testo" fieldtype="string" WIDTH="320"/> <FIELD attrname="Lingua1" fieldtype="string" WIDTH="320"/> <FIELD attrname="Lingua2" fieldtype="string" WIDTH="320"/> <FIELD attrname="Lingua3" fieldtype="string" WIDTH="320"/> <FIELD attrname="Commento" fieldtype="string" WIDTH="256"/> <FIELD attrname="Aiuto" fieldtype="string" WIDTH="128"/> <FIELD attrname="Foto1" fieldtype="string" WIDTH="5"/> <FIELD attrname="Foto2" fieldtype="string" WIDTH="5"/> <FIELD attrname="Foto3" fieldtype="string" WIDTH="5"/> <FIELD attrname="Foto4" fieldtype="string" WIDTH="5"/> <FIELD attrname="Foto5" fieldtype="string" WIDTH="5"/> <FIELD attrname="Video1" fieldtype="string" WIDTH="5"/> <FIELD attrname="Edl1" fieldtype="string" WIDTH="15"/> <FIELD attrname="Video2" fieldtype="string" WIDTH="5"/> <FIELD attrname="Edl2" fieldtype="string" WIDTH="15"/> <FIELD attrname="Video3" fieldtype="string" WIDTH="5"/> <FIELD attrname="Edl3" fieldtype="string" WIDTH="15"/> <FIELD attrname="Audio1" fieldtype="string" WIDTH="12"/> <FIELD attrname="Audio2" fieldtype="string" WIDTH="12"/> <FIELD attrname="Audio3" fieldtype="string" WIDTH="12"/> <FIELD attrname="Html1" fieldtype="string" WIDTH="5"/> <FIELD attrname="Html2" fieldtype="string" WIDTH="5"/> <FIELD attrname="Html3" fieldtype="string" WIDTH="5"/><FIELD attrname="Libro1" fieldtype="string" WIDTH="5"/> <FIELD attrname="Libro1PosY" fieldtype="string" WIDTH="5"/> <FIELD attrname="Libro2" fieldtype="string" WIDTH="5"/> <FIELD attrname="Libro2PosY" fieldtype="string" WIDTH="5"/> <FIELD attrname="Libro3" fieldtype="string" WIDTH="5"/> <FIELD attrname="Libro3PosY" fieldtype="string" WIDTH="5"/> <FIELD attrname="Info1" fieldtype="string" WIDTH="120"/> <FIELD attrname="Info2" fieldtype="string" WIDTH="120"/> <FIELD attrname="Gruppo1" fieldtype="string" WIDTH="3"/> <FIELD attrname="Gruppo2" fieldtype="string" WIDTH="3"/> <FIELD attrname="Gruppo3" fieldtype="string" WIDTH="3"/> </FIELDS><PARAMS AUTOINCVALUE="7166"/></METADATA> <ROWDATA> <ROW Id="2" Blocco="11023" Domanda="02" Risposta="TRUE" Capitolo="01" Indice="A01" Argomento="A" SubArgomento="1" Figura="" FiguraBlk="" Difficolta="6" Testo="I ciclomotori possono avere due o tre ruote" Lingua1="Les motocycles légers peuvent avoir deux ou trois roues" Lingua2="Kleinkrafträder können zwei oder drei Räder haben" Lingua3="I ciclomotori possono avere due o tre ruote" Commento="infatti i CICLOMOTORI possono avere DUE, TRE e anche QUATTRO RUOTE, cilindrata fino a 50 cm³ e velocità fino a 45 km/h." Aiuto="Classificazione dei veicoli." Foto1="3113" Foto2="" Foto3="" Foto4="" Foto5="" Video1="" Video2="" Video3="" Audio1="04023_40231" Audio2="" Audio3="" Html1="" Html2="" Html3="" Libro1="1" Libro2="1" Libro3="" Info1="11023" Info2="Ciclomotori"/> <ROW Id="3" Blocco="11023" Domanda="03" Risposta="TRUE" Capitolo="01" Indice="A01" Argomento="A" SubArgomento="1" Figura="" FiguraBlk="" Difficolta="5" Testo="Non tutti i veicoli a motore a due ruote vengono classificati ciclomotori" Lingua1="Pas tous les véhicules à moteur à deux roues peuvent être classifiés des motocycles légers" Lingua2="Nicht alle zweirädrigen Kraftfahrzeuge werden als Kleinkrafträder eingestuft" Lingua3="Non tutti i veicoli a motore a due ruote vengono classificati ciclomotori" Commento="infatti vengono CLASSIFICATI CICLOMOTORI solo i veicoli a DUE RUOTE con CILINDRATA NON SUPERIORE a 50 cm³ e VELOCITÀ NON SUPERIORE a 45 km/h." Aiuto="Classificazione dei veicoli." Foto1="1238" Foto2="" Foto3="" Foto4="" Foto5="" Video1="" Video2="" Video3="" Audio1="04023_40232" Audio2="" Audio3="" Html1="" Html2="" Html3="" Libro1="1" Libro2="1" Libro3="" Info1="11023" Info2="Ciclomotori"/> it continues with this structure but it is very long. How can I do from my SQL DB to extract a data ("Libro3") to insert it inside every occurrence of ''Libro3' of XML file? In my sql to recognize the line to be modified I have Id,Blocco, Libro3 obviously, but i don t know how i can modify the file. to recognize the line to be modified on the sql I have line, id and block
  8. I have changed the code, because it happens to me before with another code. The thing is my code is aparently ok but when you fill the form and send it the e-mail is not sent. Any idea, please? Thank you. I Attach the code and the html page. My web site is http://victorpan.com/contacto.html contacto.html correo.php
  9. I have a php code for a form but I don't know how to use it I started reading about php but still don't understand it. So when I use the code on the hosting my nav says the form is already sent so i had to stop using it. What should i do to receive e-mails from my form on my website. The fact is I even don't know if i put the code on the right place. Thank you very much!!!!! My website is http://www.victorpan.com/ I also attach the file with the code I want to use as a coment inside the code.contacto.php
  10. fewmoredetails

    PHP quiz.

    Question 24: The if statement is used to execute some code only if a specified condition is true Says the right answer is True. Not correct, you can also do if statements to check if something is not true with ! mark.
  11. Hello. I am currently editing my register.php file, which creates the user's account, but also at the same time makes a new file - their profile page. Here is the function: // Create profile page. $handle = fopen($username.".php", 'w'); $pageContent = ""; function createProfile() { fwrite($handle, $pageContent); } createProfile(); This function works, but not when I put this code inside -> https://pastebin.com/9j3rR12v. I have tried to swap all of the " for ' but it doesn't work. What happens is the register.php page does not load at all. It says there is an error. However, it loads the register.php page when I put: // Create profile page. $profileContents = include (profileContents.txt); $handle = fopen($username.".php", 'w'); $pageContent = "<!DOCTYPE html> <head><title>The title has changed.</title></head>"; function createProfile() { fwrite($handle, $profileContents); } createProfile(); When I then make an account, it creates the file, but the content doesn't go inside. A link to the code I would like to be displayed can be found here (compressed version): https://pastebin.com/9j3rR12v If you are able to help me out, it would mean the world. Many thanks. Emergency email: whunter@voltboxgaming.co.uk
  12. I have this little program: <!DOCTYPE html> <html> <body> <?php echo "why can not I explode array like 0->1, 1->2, 2->3 ..".'<br>'; ?> </body> </html> The output: why can not I explode array like 0->1, 1->2, 2->3 ..input script var total = [1,2,3,4,5];what I got with \ document.write(total) \ :1,2,3,4,5exploded array var_dump: array(1) { [0]=> string(40) "1,2,3,4,5" } so why does not explode the string in an array? This says it all!
  13. This is a weird request, been battling with the idea and the how, hoping for some help. I have a list of keys which need to sent out to each visitor who enters a site. the keys are currently on an Excel sheet, the keys must move sequentially down the list (Not repeat the above key) I thought of doing this with a form (like a gravity form) the problem is they dont allow you to read of the entries sequentially and show it on the screen that doesnt really work. happy to have the codes as an array, just the method of passing it out. if anyone knows of the code which can help me, i will be forever in your debt.
  14. I am able to retrieve data from a js like this: <!DOCTYPE html> <html> <body> <script> var a=[1,2,3,4] </script> <?php $ap= "<script> document.write(a) </script>"; print_r ($ap); $b=explode(',',$ap); print_r($b); ?> </body> </html> Result: 1,2,3,4Array ( [0] => 1,2,3,4 ) Why is the array not explode
  15. hello all, i stored the data in db in field page_desc. echo the field data works fine. <?php echo stripslashes($pageDetails["page_desc"]); but i want to change the color and font of each line of data which is retrieved from page_desc. how to do this..help me...
  16. I'm working on a Contact Form for my website. It works, except the "Phone" field doesn't show a phone number in the sent message. It's just blank where the number should be displayed. What am I doing wrong? - Thanks HTML: <div class="contact-form"> <h2 class="style">Contact Us</h2> <form action="contact.php" method="post" id="form"> <div> <span><label>NAME</label></span> <span><input name="cf_name" type="text" class="textbox"></span> </div> <div> <span><label>EMAIL</label></span> <span><input name="cf_email" type="text" class="textbox"></span> </div> <div> <span><label>PHONE</label></span> <span><input name="cf_phone" type="text" class="textbox"></span> </div> <div> <span><label>MESSAGE</label></span> <span><textarea name="cf_message"> </textarea></span> </div> <div> <span><input type="submit" value="Send"></span> </div> </form> </div> PHP: <?php $field_name = $_POST['cf_name']; $field_email = $_POST['cf_email']; $field_phone = $_POST['cf_phone']; $field_message = $_POST['cf_message']; $mail_to = 'somebody@invalid.com'; $subject = 'Message from a website visitor '.$field_name; $body_message = 'From: '.$field_name."\n"; $body_message .= 'E-mail: '.$field_email."\n"; $body_message .= 'Phone: '.$field_phone."\n"; $body_message .= 'Message: '.$field_message; $headers = 'From: '.$field_email."\r\n"; $headers .= 'Reply-To: '.$field_email."\r\n"; $mail_status = mail($mail_to, $subject, $body_message, $headers); if ($mail_status) { ?> <script language="javascript" type="text/javascript"> alert('Thank you for the message. We will contact you shortly.'); window.location = 'index.html'; </script> <?php
  17. hi , in the python requests POST tutorial in the site , there is this piece of code , url = 'https://ipaddress of my server .../myphp.php' myjson = {'somekey': 'somevalue'} x = requests.post(url, json = myjson) it sends the json data to a php file in a server that i have access to how can I access json data in myphp.php file in the server ??? thanks
  18. Tarun


    i have created one php file and html file and connected to each other. But here i want a help reqards to php. Details mentioned below: This is my HTML file: <form method="post" action="contact.php"> <textarea name="message"></textarea> <input type="submit"> </form> This is my PHP file: <?php if($_POST["message"]) { mail("your@email.address", "Form to email message", $_POST["message"], "From: an@email.address"); } ?> Here i want to know is if i want to add another textarea say it as name in HTML, so can you help me with the PHP coding, as i have tried with adding the another text area in PHP to retrieve data to my email, but i am not able to receive that.
  19. Hello everyone, i have created a html form and a button. Javascript reacts to the button click sends the html values to functions.php and there i have a function to insert into the wordpress database. Every field is working and is being inserted into the database but i have some problems to upload and save a image file with these steps. Iam not using a html form i wanted to go the javascript way. Is there any option/solution to insert an image file as blob into mysql using php without form submit just via javascript ajax ? Thanks and best regards, Atilla
  20. Hello! I need to know how to create a sitemap, which updates automatically according to web posts. Our company website is https://www.albacars.ae/ , a used car dealer in UAE, we post cars everyday, and it should be updated automatically on sitemap. Instead of doing this manual, is there any way to do? Thank you!
  21. Hi I have a query that returns the count of entries based on CURDATE(), it works for any dat in this month (April) but does not work for next month (May). I think it is something to do with CURDATE()+3 returns 2018-04-31 which should be 2018-05-01 This Works as Date is in April SELECT COUNT(Machine) FROM production WHERE Status = 'Confirmed' AND DATE(FROM_UNIXTIME(production.Required)) = CURDATE() This does not work as in May SELECT COUNT(Machine) FROM production WHERE Status = 'Confirmed' AND DATE(FROM_UNIXTIME(production.Required)) = CURDATE()+3
  22. Hello All, I'm trying to create a table of images in which each image would be a different link to a product on our website. I'm just learning how to code so I appreciate any help you can give! Attached is pdf showing the general layout of what I'm trying to do. Thanks! Line Card 10-16-18.pdf
  23. iwato

    Undefined Variable

    GREETING: Happy New Year, W3Schools! I am looking forward to another year of online progress. Hopefully many of the problems that I have been experiencing for the last year and a half will disappear with the addition of a brand new iMac that can handle the latest PHP and MySql software. This said, I remain the advanced novice that I am and very much hope that you will continue to stand by my side. BACKGROUND: Please find below a set of code that permits one new set of functionality, but destroys another. The related error messages are provided beneath the code. if (isset($_GET['refer_type']) && filter_var($_GET['refer_type'], FILTER_VALIDATE_INT)) { $refer_type = $_GET['refer_type']; } else { $refer_type = 0; } if (isset($_GET['panel_type']) && filter_var($_GET['panel_type'], FILTER_SANITIZE_STRING, FILTER_FLAG_STRIP_HIGH)) { $panel_type = $_GET['panel_type']; if (isset($_GET['lang_type']) && filter_var($_GET['lang_type'], FILTER_SANITIZE_STRING, FILTER_FLAG_STRIP_HIGH)) { $lang_type = $_GET['lang_type']; } } else { $panel_type = 0; } ERROR MESSAGES: [05-Jan-2020 04:10:40 UTC] PHP Notice: Undefined variable: lang_type in /home/thege0/public_html/grammarcaptive.com/devcptv18rs/overview.html on line 99 QUESTION: Can you see anything in the code line if (isset($_GET['lang_type']) && filter_var($_GET['lang_type'], FILTER_SANITIZE_STRING, FILTER_FLAG_STRIP_HIGH)) { $lang_type = $_GET['lang_type']; } or elsewhere that could be triggering the error. The code line just given is new and is clearly the initial, but maybe not the final source of the problem. By the way, when the code was first introduced, it did not appear to create a problem. Only several days later did the problem appear. Roddy
  24. Dear all, In my project, I am using an emebedded webserver LIGHTTPD with PHP. Within the main webpage, I use slider to write its value within a local file on my Linux OS. I wrote the slider like this: <input type="range" name="lightInputName" id="lightInputId" value="1" min="1" max="20" onchange="getvalor(this.value);" oninput="lightOutputId.value = lightInputId.value"> <input size="1" type="text" name="lightOutputName" id="lightOutputId"></input> What I want to do is to know if a javascript and/or PHP script is able to read the value of the slider, and copy it onto a local file. I don't have any idea on how to do this. Many thanks for your guidance. Best regards,
  25. Dear all, I am working on an embedded Linux platform with Lighttpd and PHP-7.0. My goal is using some HTML button and sliders to write some values on a local file. For example, if I click on a HTML button, I want to create and write a text file located in /home/$USER/ To do that, I build some files HTML <!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>AI-VISION</title> <style> </style> </head> <body> <form action="test1.php" method="POST"> <input type="submit" value="Open Script"> </form> </body> </html> PHP <?php ini_set('display_errors', 1); ini_set('display_startup_errors', 1); error_reporting(E_ALL); exec("/bin/bash /var/www/html/test.sh"); ?> SHELL BASH #!/bin/bash cd /home/$USER/ touch testFile && echo "This is a test" > testFile So, when I launch the Shell Script like this: cd /var/www/html ./test.sh It works fine, and when I launch the PHP script like this: cd /var/www/html php test1.php It works also. My problem is when I want to launch it through the webpage...it doesn't works. I think because I have some wrong permissions, so I did this: sudo usermod -a -G www-data $USER sudo chgrp -R www-data /var/www/html sudo chmod -R g+w /var/www/html But no luck, I still doesn't work. Do you have an idea of the problem ? Thanks for your help and support. Regards,
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