<?php // Save this file as 'hooks/replace-appgini-functions.php'

 

        $hooks_dir = dirname(__FILE__);

        include("{$hooks_dir}/../defaultLang.php");

        include("{$hooks_dir}/../language.php");

        include("{$hooks_dir}/../lib.php");

       

        // Step 1: Specify the file containing the function we want to overwrite

        $appgini_file = "{$hooks_dir}/../incCommon.php";

 

        // Step 2: Specify the file containing our version of the function

        $mod_file = "{$hooks_dir}/mod.showNotifications.php";

 

        // Step 3: Specify the name of the function we want to overwrite

        $func_name = 'showNotifications';

 

        echo "<br>{$func_name}: " . replace_function($appgini_file, $func_name, $mod_file);

 

        #######################################

 

        function replace_function($appgini_file, $function_name, $mod_file) {

                // read the new code from the mod file

                $new_code = @file($mod_file);

                if(empty($new_code)) return 'No custom code found.';

 

                // remove the first line containing PHP opening tag and keep the rest as $new_snippet

                array_shift($new_code);

                $new_snippet = implode('', $new_code);

 

                $pattern1 = '/\s*function\s+' . $function_name . '\s*\(.*\).*(\R.*){200}/';

                $pattern2 = '/\t#+(.*\R)*/';

 

                $entire_code = file_get_contents($appgini_file);

                if(!$entire_code) return 'Invalid AppGini file.';

 

                $m = [];

                if(!preg_match_all($pattern1, $entire_code, $m)) return 'Function to replace not found.';

                $snippet = $m[0][0] . "\n";

 

                if(!preg_match_all($pattern2, $snippet, $m)) return 'Could not find the end of the function.';

                $snippet = str_replace($m[0][0], '', $snippet);

 

                $snippet_nocrlf = str_replace("\r\n", "\n", $snippet);

                $new_snippet_nocrlf = str_replace("\r\n", "\n", $new_snippet);

                if(trim($snippet_nocrlf) == trim($new_snippet_nocrlf)) return 'Function already replaced.';

 

                // back up the file before overwriting

                if(!@copy(

                        $appgini_file,

                        preg_replace('/\.php$/', '.backup.' . date('Y.m.d.H.i.s') . '.php', $appgini_file)

                )) return 'Could not make a backup copy of file.';

 

                $new_code = str_replace(trim($snippet), trim($new_snippet), $entire_code);

                if(!@file_put_contents($appgini_file, $new_code)) return "Couldn't overwrite file.";

 

                return 'Function overwritten successfully.';

        }