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POUpload files with ajax? (PHP)
 

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  1. POUpload files with ajax? (PHP)
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    <p>So I'm making a small script for myself, where I can upload files to my server. It works pretty well now, but whenever I try to upload bigger files it just crashes. So I think what if I'll add ajax support to make it: 1. Work better; 2. Look better.</p> <p>So, this is what I have so far:</p> <pre><code>&lt;html&gt; &lt;head&gt; &lt;title&gt;File Uploader v1.0&lt;/title&gt; &lt;link rel='stylesheet' href='style.css'&gt; &lt;a href="index.php"&gt;&lt;img src="img/logo.png"&gt;&lt;/a&gt; &lt;/head&gt; &lt;body&gt; &lt;center&gt; &lt;table width="300" border="0" align="center" cellpadding="0" cellspacing="1" bgcolor="#CCCCCC"&gt; &lt;tr&gt; &lt;form action="&lt;?php echo $_SERVER['PHP_SELF']; ?&gt;" method="POST" enctype="multipart/form-data"&gt; &lt;td&gt; &lt;table width="100%" border="0" cellpadding="3" cellspacing="1" bgcolor="#FFFFFF"&gt; &lt;tr&gt; &lt;b&gt;Please choose a file:&lt;/b&gt;&lt;br/&gt; &lt;input type="file" name="fileup"/&gt;&lt;br/&gt; &lt;br/&gt; &lt;input type="submit" name='submit' value="Upload"/&gt; &lt;/tr&gt; &lt;/form&gt; &lt;/table&gt; &lt;/body&gt; &lt;/html&gt; &lt;?php $uploadpath = 'upload/'; // directory to store the uploaded files $max_size = 103000000; // maximum file size, in KiloBytes $allowtype = array('bmp', 'gif', 'jpg', 'jpe', 'png', 'rar', 'zip', 'exe', 'psd'); // allowed extensions if ( isset( $_FILES['fileup'] ) &amp;&amp; strlen( $_FILES['fileup']['name'] ) &gt; 1 ) { $uploadpath = $uploadpath . basename( $_FILES['fileup']['name'] ); // gets the file name $sepext = explode('.', strtolower( $_FILES['fileup']['name'] ) ); $type = end($sepext); // gets extension list ( $width, $height ) = getimagesize( $_FILES['fileup']['tmp_name'] ); // gets image width and height $err = ''; // to store the errors // Checks if the file has allowed type, size, width and height (for images) if ( !in_array($type, $allowtype)) $err .= 'The file: &lt;b&gt;'. $_FILES['fileup']['name']. '&lt;/b&gt; not has the allowed extension type.'; if ( $_FILES['fileup']['size'] &gt; $max_size*1000) $err .= '&lt;br/&gt;Maximum file size must be: '. $max_size. ' KB.'; // If no errors, upload the image, else, output the errors if ( $err == '' ) { $i = 1; while ( file_exists( $uploadpath ) ) { //get filename without suffix $rootname = basename( $_FILES['fileup']['name'], $type ); $uploadpath = "upload/" . $rootname . "-$i." . $type; $i++; } if ( move_uploaded_file( $_FILES['fileup']['tmp_name'], $uploadpath ) ) { echo '&lt;font color="green"&gt;&lt;b&gt;Success!&lt;/b&gt;&lt;/font&gt;'; echo '&lt;br/&gt;File: &lt;b&gt;'. basename( $_FILES['fileup']['name']). '&lt;/b&gt;'; echo '&lt;br/&gt;File type: &lt;b&gt;'. $_FILES['fileup']['type'] .'&lt;/b&gt;'; echo '&lt;br /&gt;Size: &lt;b&gt;'. number_format($_FILES['fileup']['size']/1024, 3, '.', '') .'&lt;/b&gt; KB'; echo '&lt;br/&gt;&lt;br/&gt;File path: &lt;input type="text" value="http://'.$_SERVER['HTTP_HOST'].rtrim(dirname($_SERVER['REQUEST_URI']), '\\/').'/'.$uploadpath.'" readonly&gt;'; } else echo '&lt;b&gt;Unable to upload the file.&lt;/b&gt;'; } else echo $err; } ?&gt; &lt;/center&gt; </code></pre> <p>So that would be great if any of you will help me. Thank you! :)</p>
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    1. USTepken Vannkorn
    1. USpapi
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    1. COYou realize AJAX is initiated by JavaScript right? You're missing a language in the middle. Anyway; what you need to do is have a hidden iframe and point the form to that iframe (`target='iframeName'`). From there, you submit the form normally and use JavaScript to track a change in the content of the iframe, which will house the response of your upload script.
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      1. USMarty
    2. COHow big of a file crashes it? and a `crash` implies?
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      1. USHanky Panky
    3. CO@Hanky웃Panky Hmmm when it's like 30+ mb. Why?
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      1. USpapi
 

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