strict error reporting for PHP

gistfile1.txt

error_reporting( E_ALL );
ini_set( 'display_errors', 'On' );
ini_set( 'display_startup_errors', 'On' );

// error report routine based on code by pekka @ stackowerflow http://stackoverflow.com/a/3193084
error_reporting( -1 );

function terminate_missing_variables( $errno, $errstr, $errfile, $errline ) {
  if ( ( $errno == E_NOTICE ) and ( strstr( $errstr, "Undefined variable" ) || strstr( $errstr, "Undefined property" ) ||  strstr( $errstr, "Undefined index" )  ) )
    die ( "\nFATAL: $errstr in $errfile line $errline \n" );

  return false; // Let the PHP error handler handle all the rest
}

$old_error_handler = set_error_handler( "terminate_missing_variables" );