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    <p>Doubt you still need an answer, as this question is quite old, but here it is for future reference:</p> <p>The error your getting is a return of <code>wp_load_image</code> which is used by <code>wp_crop_image</code>. <code>wp_load_image</code> uses the php function <code>file_exists</code>, which needs to be fed the file's path without the domain.</p> <p>So</p> <pre><code>$crop = wp_crop_image( $file, $dimensions[0], $dimensions[1], 0, 0, 250, 280, null, "wp-content/uploads/2010/09/squares-wide.jpeg" ); </code></pre> <p>would have worked.</p> <p>An aside <code>wp_upload_bits</code> does not only upload the file(s) for you it also returns the URL of the uploaded file.</p> <p>If you call <code>wp_upload_bits</code> like so (where "file" is the name of the form's input):</p> <pre><code>if ($_FILES["file"]["name"]!="") { $uploaded_file = wp_upload_bits($_FILES["file"]["name"], null, file_get_contents($_FILES["file"]["tmp_name"])); } </code></pre> <p>Hence <code>$uploaded_file['url']</code> is equivalent to <code>$dir."/image.jpg"</code>. In the above crop, you could have used a substring of <code>$uploaded_file['url']</code>.</p> <p><strong>Concrete example:</strong></p> <p>With <code>http://site.local/wp-content/uploads/2010/09/squares-wide.jpeg</code> this will work:</p> <pre><code>$dir = dirname($file); $dir_substr = substr($dir, 18) $crop = wp_crop_image( $file, $dimensions[0], $dimensions[1], 0, 0, 250, 280, null, $dir."/squares-wide.jpeg" ); </code></pre> <p>Of course you also want the filename to be dynamic, so I'd call <code>wp_uload_bits</code> as proposed above (if it's not coming from a form field, but a WP Custom field call it as you are doing now, the important part is <code>$uploaded_file = wp_upload_bits(...)</code> to save the return of <code>wp_upload_bits</code> in a variable for later use) and then do</p> <pre><code>$file_uri = substr($uploaded_file['url'], 18); $crop = wp_crop_image( $file, $dimensions[0], $dimensions[1], 0, 0, 250, 280, null, $file_uri ); </code></pre>
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