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Found 7 results

  1. Hi everybody, I want to write a php code that extract numbers say 4567 from an image when you press scan button and then sum the numbers together. I have used one javascript library but I'm having problem in converting the numbers into an array. pls. I need an help urgently.
  2. I'm having a problem with a foreach loop that isn't doing what I need it to. I want to take an array of id numbers, fetch the figures related to that id number from my mysql db and sum them. Initially the problem was that my loop was 'overwriting itself' so that the only summing it did was of the last id number. Then after I fixed that, although I have used a 'unique array', it seems that the loop is still summing everything, ie if the array contains the same id number 8 times, it loops through and multiplies that figure x8 (at least I think that's what it's doing). I'm not sure why while(
  3. Hi Larry, First of all, thanks for the book. It's being surprisingly easy to follow. I'm currently going through chapter 07 (arrays) and I was doing the excercise in "Transforming Between Strings and Array", I first created my list.html file and then on the list.php, this is what I wrote (HTML omitted): <?php //Get text from form $sorted_words = explode(' ',$_POST['words']); //Sort values sort($sorted_words); //Turn array back into a string $string_words = implode("<br />",$sorted_words); //Prints string print "<p>Alphabetized version of your text: <br />$string_
  4. From the book: Create two different name variables, using the existing first- and last-name variables: $ name1 = '$ first_name $ last_name'; $ name2 = "$ first_name $ last_name"; Technically speaking-- why aren't $name1 and $name2 arrays? I keep telling myself that arrays are variables with two or more values.
  5. I probably have some kind of visual/spacial related learning disability. I know that a form sends data to the server where php processes it and outputs it to the browser. Words alone don't always work for me. I have to draw things as if I were trying to explain it to someone else. Some times that helps me to see that my logic simply doesn't compute. Thought I was good to go with arrays... $var = array('dog', 'cat', '2', 'blue'); $var now contains all the values in the array. But, in the book, the syntax (using post) is: $title = $_POST['title']; $name= $_POST['name']; $email= $_POST['em
  6. Hi, I am trying to get this code to work, and can't figure out what I'm not doing correctly. New to javascript, PHP and HTML. My PHP code below is not working. I select records from some data base files and store all of the records in an array. I display the information from the first record on the screen. When the "Next" button on the screen is clicked, I want to read the array and get the next record and display that information on the screen. The user will continue to hit the "Next" button until all the records have been displayed on the screen for review. I've tried to do this
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