made compatible with Laravel and fixed "message" array existance error.

git_history.php

<?php
// Orginal Author: Ngo Minh Nam
 function git_commits()
    {
            $dir = base_path(); //for using with laravel
            $output = array();
            chdir($dir);
            exec("git log",$output);
            $history = array();
            //dd($output);
            foreach($output as $line){
                if(strpos($line, 'commit')===0){
                    if(!empty($commit)){
                        array_push($history, $commit);	
                        unset($commit);
                    }
                    $commit['hash']   = substr($line, strlen('commit'));
                }
                else if(strpos($line, 'Author')===0){
                    $commit['author'] = substr($line, strlen('Author:'));
                }
                else if(strpos($line, 'Date')===0){
                    $commit['date']   = substr($line, strlen('Date:'));
                }
                else{		
                    if(array_key_exists('message', $commit))
                    {
                    $commit['message']  .= $line;
                    }else{
                        $commit['message']  = $line;
                    }
                }
            }

            return $history;
    }
    
    
//example:
print_r(git_commits());