PHP call trace

calltrace.php

<?php

function calltrace() {
  $backtrace = debug_backtrace();
  $filetrace = array_column($backtrace, 'file');
  $linetrace = array_column($backtrace, 'line');

  dump(array_map(function($index) use ($filetrace, $linetrace) {
      return $filetrace[$index] . ':' . $linetrace[$index];
  }, array_keys($filetrace)));
}