TAILIEUCHUNG - Web Publishing with PHP and FileMaker 9- P14

Web Publishing with PHP and FileMaker 9- P14:On the other hand, it would drive me nuts if you bought this book only to discover that it didn’t address your needs. In the spirit of customer satisfaction, please read the following introduction to get a sense of where I’m coming from, and whether you might get some good use out of this book. | Storing Images as URLs 185 Build the URL to the new product image url lhttp Images . _FILES lnew_imagel lname1 Use the newEditCommand method to create an edit object pointed at the Product layout for this product ID edit fm- newEditCommand product _REQUEST recid Use the setField method of the edit object to indicate that the Thumbnail URL field should take the value from the url variable edit- setField Thumbnail URL url Execute the edit command to save the update to the database edit- execute If the move was not successful this else block will execute and exit the script with a message to the user about what went wrong else die There was an error moving the file. This is the closing curly brace for the if that checked the POST array for the action element Regardless of whether the user is viewing the page for the first time or has just uploaded a file the following code will execute. First use the getRecordById method to store a reference to the product record in the record variable. record fm- getRecordById Product _REQUEST recid Populate the recid with the internal ID of the record. I could have just used the value from _REQUEST recid but it s good to get into the habit of using getRecordId . recid record- getRecordId Pull the value out of the Thumbnail URL field thumbnail_url record- getField Thumbnail URL Check to see whether this product has a URL. If it doesn t set thumbnail to an empty string. If it does build an image tag that points at the URL if thumbnail_url 11 thumbnail 9 186 CHAPTER 9 Working with Images else thumbnail p img src . thumbnail_url . p Close the PHP block and begin the HTML template section html head title Upload Image title head body Open the upload form tag. Note that the enctype attribute is required for file upload forms form action method post enctype multipart form-data Include a hidden input with the recid so the page will know which product the uploaded image is for input type hidden name recid value php

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