filepicker.error.php

<?php
  function migrate_thumbnail($label_id, $filename)
  {
  		$LabelThumb = new Thumb();
  		$file = $LabelThumb->get_local_filename($label_id);
      
  		$tmp_file = $this->save_to_filepicker($file, ['filename'=>$label_id.'.png']);
  
  	}
  	
  	function save_to_filepicker($file, $options =[])
  	{
  		$postfields = ["fileUpload" =>  new CurlFile(realpath($file))];
  
  		$options = array_merge($options, ['key'=>'XXXXXXXXXXXXXXXX']);
  		$options = http_build_query($options);
  
  		$url = 'https://www.filepicker.io/api/store/S3?'.$options;
  
  		return $this->post_filepicker($url, $postfields);
  	}
  	
  
  	function post_filepicker($url, $postfields = [])
  	{
  		$headers = ["Content-Type:multipart/form-data"]; // cURL headers for file uploading
  		$ch = curl_init();
  		$curl = curl_init($url);
  		curl_setopt_array($curl, [
  			CURLOPT_SAFE_UPLOAD => false,
  			CURLOPT_POST => 1,
  			CURLOPT_POSTFIELDS => $postfields,
  			CURLOPT_RETURNTRANSFER => 1,
  			CURLOPT_HTTPHEADER => $headers
  
  		]);
  
  		$result = curl_exec($curl);
  		curl_close($curl);
  		return json_decode($result, true);
  	}