Re: PHP/AJAX/HTML: del files with php function and onclick event

From	"J.O. Aho" <user@example.net>
Newsgroups	alt.comp.lang.php
Subject	Re: PHP/AJAX/HTML: del files with php function and onclick event
Date	2016-01-27 07:17 +0100
Message-ID	<dgr5o8F5emuU1@mid.individual.net> (permalink)
References	<4be558c6-68d6-4270-9c98-6b9a874d9763@googlegroups.com>

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On 01/26/2016 12:51 PM, maurizio.romano.wtech@gmail.com wrote:
> Goodmorning everyone. (sorry 4 may bad english).
> 
> I need to delete files and folder using the "cancel" button present in a form.
> The folder path is stored in a session variable $_SESSION['del_path_dir'].
> After reading several solutions, I am right at the end to use an asynchronous call via AJAX. (not familiar with AJAX).
> After several attempts I ask help to you; I can not understand where the problem lies.
> Here the following code:
> 
> [[[FILE: btncftrsm.php]]]
> <?php
> session_start();
> ?>
> <html>
> <head>
> 
> <script type="text/javascript" src="../jquery/external/jquery/jquery.js"></script>
> 
> <script type="text/javascript">
> function DelData()
> {
> var PathDel=$("#Path2Del").val();
> $.ajax({
> 		type:'POST',
> 		url:'deltmpfiles.php',
> 		data:PathDel,
> 		success: function(response)
> 		{
> 			rrmdir(PathDel);
> 		}
>      });
> }

You need to read more about ajax, maybe start with
http://blog.teamtreehouse.com/beginners-guide-to-ajax-development-with-php

You need to define the post variable name for your PathDel.

> </script>
> </head>
> <body>
> <div class="container">
> 	<div class="row">
> 	    <div class="col-xs-12 col-sm-8 col-md-6 col-sm-offset-2 col-md-offset-3">
>             <form method="post" action="conferma_2_0.php">
>             <input type="hidden" name="confermato" value="true">
>             <input type="hidden" name="Path2Del" id="Path2Del" value="<? echo $_SESSION['del_path_dir']?>" />
>             <div class="row">
>                 <div class="col-xs-6 col-sm-6 col-md-6">
> 	            <input type="button" onClick="DelData()" value="Annulla e Modifica" id="Annulla e Modifica" class="btn btn-primary btn-block btn-lg" tabindex="1">	  
>                 </div>
>                 <div class="col-xs-6 col-sm-6 col-md-6">
>                     <input type="submit" value="Conferma e Trasmetti" class="btn btn-primary btn-block btn-lg" tabindex="2">
>                 </div>
>             </div>
>             </form>
>         </div>
>     </div>
> </div>
> </body>
> </html>
> 
> 
> [[[FILE: deltmpfiles.php]]]
> <?php
> 
> 		echo "SUCCESS";

Don't echo success, use header() to send http result codes, 200 for
success and 400 for fail, but do not do that until you have actually
done something.

> 
> function rrmdir($strPATH)
> { 
> 		if (is_dir($strPATH))
> 		{ 
> 			$objects = scandir($strPATH); 
> 			foreach ($objects as $object)
> 			{ 
> 				if ($object != "." && $object != "..")
> 				{ 
> 					if (filetype($strPATH."/".$object) == $strPATH) rrmdir($strPATH."/".$object); else unlink($strPATH."/".$object); 
> 				} 
> 			}
> 			reset($objects); 
> 			rmdir($strPATH); 
> 		}
> 		echo "<script type=\"text/javascript\" charset=\"utf-8\">window.self.close()</script>";

this will not be executed on the ajax calling page.

> }
> 
> /* 
> $percorso = $_POST['percorso'];
> rrmdir($percorso);
>  */
uncomment this, otherwise nothing will happen
> ?>


-- 

 //Aho

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PHP/AJAX/HTML: del files with php function and onclick event maurizio.romano.wtech@gmail.com - 2016-01-26 03:51 -0800
  Re: PHP/AJAX/HTML: del files with php function and onclick event "J.O. Aho" <user@example.net> - 2016-01-27 07:17 +0100

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