awsmug/alexa-sdk

<?php

namespace Alexa;

/**
 * Class Logger
 *
 * @since 1.0.0
 *
 * @package Alexa
 */
trait Logger {
    /**
     * Log the date
     *
     * @since 1.0.0
     *
     * @var bool
     */
    protected $log_date = true;

    /**
     * Log the time
     *
     * @since 1.0.0
     *
     * @var bool
     */
    protected $log_time = true;

    /**
     * Dateformat
     *
     * @since 1.0.0
     *
     * @var string
     */
    protected $log_dateformat = 'Y-m-d';

    /**
     * Timeformat
     *
     * @since 1.0.0
     *
     * @var string
     */
    protected $log_timeformat = 'H:i:s';

    /**
     * Logfile
     *
     * @since 1.0.0
     *
     * @var string
     */
    protected $logfile = 'log.txt';

    /**
     * Logging function
     *
     * @since 1.0.0
     *
     * @param $value
     *
     * @return int|bool $written
     */
    public function log( $value ) {
        $content = '';
        if( $this->log_date ) {
            $content .= date( $this->log_dateformat, time() ) . ';' ;
        }
        if( $this->log_time ) {
            $content .= date( $this->log_timeformat, time() ) . ';' ;
        }
        $content .= print_r( $value, true );
        $file = fopen( $this->logfile, 'a' );
        $written = fputs( $file, print_r( $content, true ) . chr( 13 ) );
        fclose( $file );

        return $written;
    }

    /**
     * Delete the Logfile
     *
     * @since 1.0.0
     *
     * @return bool
     */
    protected function delete_logfile() {
        if( ! file_exists( $this->logfile ) ) {
            return false;
        }

        return unlink( $this->logfile );
    }
}