Websolr Upload CSV using Php CURL

PhpSolrCSVUpload.php

<?php
function upload_websolr_script($url){

	$url = 'https://index.websolr.com/solr/xxxxxxxxx/update/csv/?commit=true';

		if(!empty($_FILES['csv_file']['name'])) {
		
		$upload_dir = wp_upload_dir();
		
		$result = move_uploaded_file($_FILES["csv_file"]["tmp_name"],$upload_dir['path'].'/'. $_FILES["csv_file"]["name"]);
		
		if ($result == 1) echo "<p>Upload done .</p>";
		

		$file = ( $upload_dir['path'].'/'. $_FILES["csv_file"]["name"] );

		$header = array("Content-type:text/csv; charset=utf-8");

		$post = file_get_contents($file);

		$ch = curl_init();
		curl_setopt($ch, CURLOPT_URL, $url);
		curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
		curl_setopt($ch, CURLOPT_POST, TRUE);
		curl_setopt($ch, CURLOPT_POSTFIELDS, $post);
		//curl_setopt($ch, CURLOPT_VERBOSE, TRUE); 

		echo curl_exec($ch);
		curl_close($ch);
			
			// If $ch is successful
			if ($ch) {
				echo '<h3>Hip Hip Hurray .. It worked! </h3>';
			}else {
				echo '<h3>No .. It did not work .. just like this! </h3>';
			}
	}
}