backtrace_log.php

<?php 
  /**
  * @return void
  * @param $var The variable passed
  * @param string $label
  * @param integer limit The limit for each
  * @param string $path
  */
  public function log($var,$label=null,$limit =2,$path = null)
  {
          if(!$path){
            $path = "/var/log/default.log";
          }   
          $d= debug_backtrace();          
          ob_start();
          
          $message="debug_backtrace:";
          foreach ($d as $level => $infoline) {
            $file = isset($infoline['file'])?$infoline['file']:'';
            $line = isset($infoline['line'])?$infoline['line']:'';
            $infoline = " level ".$level.": ".$file. "- ".$line;
            $message.= $infoline.PHP_EOL;
            if($level>$limit){
              break;
            }
          }
          $message.= " ".$label.": ";
          echo $message.PHP_EOL;
          var_dump($var);
          $debug_backtrace = ob_get_clean();
      
          error_log($debug_backtrace,3,$path) ;
}