PHP configuration file settings

The method variable $ config for setting the configuration file in PHP is the configuration information we submitted and stored in arrays. PHP configuration file settings

The variable $ config is the configuration information we submitted and stored as an array.

function set_config($config){        if(!is_array($config)) return FALSE;        $configfile = CONF_PATH.'config.php';        if(!is_writable($configfile)) return('Please chmod ./config.inc.php to 0777 !');        $pattern = $replacement = array();        $str = file_get_contents($configfile);        foreach($config as $k=>$v){            $pattern[$k] = "/['\"]".strtoupper($k)."['\"]\s*=>\s*([']?)[^']*([']?)/is";            $replacement[$k] = "'".strtoupper($k)."'=> \${1}".$v."\${2}";        }                 $str = preg_replace($pattern, $replacement, $str);        return file_put_contents($configfile, $str);    }

The above $ configfile is the complete path of the file, that is, the absolute path.

Use the file_get_contents file to obtain all the information in the configuration file.

Use the preg_replace method to replace the submitted configuration information with the original configuration information.

Replace all modified information with file_put_contents.

The above method can be used not only to modify configuration information, but also to modify any file