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    <p>You need to use the PHP function <code>getimagesize();</code></p> <p>The getimagesize() function does not require the GD library.</p> <p>Try this:</p> <pre><code>&lt;?php // Set maximum width and height in pixels $maxwidth = 4000; $maxheight = 4000; $allowedExts = array("png"); $extension = end(explode(".", $_FILES["file"]["name"])); if ((($_FILES["file"]["type"] == "image/gif") || ($_FILES["file"]["type"] == "image/jpeg") || ($_FILES["file"]["type"] == "image/png") || ($_FILES["file"]["type"] == "image/pjpeg")) &amp;&amp; ($_FILES["file"]["size"] &lt; 20000) &amp;&amp; in_array($extension, $allowedExts)) { // List the width, height, image type, img attributes of the uploaded file into the specified variables list($imgwidth, $imgheight, $imgtype, $imgattr) = getimagesize($_FILES["file"]["tmp_name"]); // If the image is too wide, or if the image is too tall, don't upload and tell the user. if($imgwidth &lt; $maxwidth || $imgheight &lt; $maxheight){ if ($_FILES["file"]["error"] &gt; 0) { echo "Error: " . $_FILES["file"]["error"] . "&lt;br&gt;"; } else { echo "Upload: " . $_FILES["file"]["name"] . "&lt;br&gt;"; echo "Type: " . $_FILES["file"]["type"] . "&lt;br&gt;"; echo "Size: " . ($_FILES["file"]["size"] / 1024) . " kB&lt;br&gt;"; echo "Stored in: " . $_FILES["file"]["tmp_name"]; $path = "/path/to/file"; move_uploaded_file($_FILES["file"]["tmp_name"], $path."/".$_SESSION['Username'].".png"); } }else{ echo "File width or height is too large."; } } else { echo "Invalid file"; } ?&gt; </code></pre>
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    1. POHight And With Requirement For Uploader
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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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