html_league_table/save_the_json.php at master · 28raining/html_league_table · GitHub

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<?php
   $json = $_POST['json'];

   $current_file = 'league_data.js';
   $backup_file = 'backup_leagues/backup' . date("Ymd") .'_timestamp_'. time() .'.js' ;

   //Copy the file into a backup
	if (!copy($current_file, $backup_file)) {
	//we've had a permission issue idk
	}

    //Copy the latest array into a file
   /* sanity check */
   if (json_decode($json) != null)
   {
     $file = fopen('league_data.js','w+');
     fwrite($file, prettyPrint($json));
     fclose($file);
   }
   else
   {
     // user has posted invalid JSON, handle the error
   }

function prettyPrint( $json )
{
    $result = '';
    $level = 0;
    $in_quotes = false;
    $in_escape = false;
    $ends_line_level = NULL;
    $json_length = strlen( $json );

    for( $i = 0; $i < $json_length; $i++ ) {
        $char = $json[$i];
        $new_line_level = NULL;
        $post = "";
        if( $ends_line_level !== NULL ) {
            $new_line_level = $ends_line_level;
            $ends_line_level = NULL;
        }
        if ( $in_escape ) {
            $in_escape = false;
        } else if( $char === '"' ) {
            $in_quotes = !$in_quotes;
        } else if( ! $in_quotes ) {
            switch( $char ) {
                case '}': case ']':
                    $level--;
                    $ends_line_level = NULL;
                    $new_line_level = $level;
                    break;

                case '{': case '[':
                    $level++;
                case ',':
                    $ends_line_level = $level;
                    break;

                case ':':
                    $post = " ";
                    break;

                case " ": case "\t": case "\n": case "\r":
                    $char = "";
                    $ends_line_level = $new_line_level;
                    $new_line_level = NULL;
                    break;
            }
        } else if ( $char === '\\' ) {
            $in_escape = true;
        }
        if( $new_line_level !== NULL ) {
            $result .= "\n".str_repeat( "\t", $new_line_level );
        }
        $result .= $char.$post;
    }

    return $result;
}
?>