Code for PHP to read and modify custom configuration files

/** Desc: Configuration File link:bbs.it-home.org Date:2013/2/24 */ $name = "admin";//kkkk $BB = ' 234 '; $db = 4561321; $KKK = "admin"; ?> Copy Code Function definition: Profile data value acquisition: function GetConfig ($file, $ini, $type = "string") Profile data Entry update: function Updateconfig ($file, $ini, $value, $ Type= "string") Call Mode: GetConfig ("./2.php", "BB");// Updateconfig ("./2.php", "KKK", "admin"); Gets the profile data value. When the default does not have a third argument, reads the contents of the extracted "in or" from the string If there is a third argument, int is treated as a numeric int. function GetConfig ($file, $ini, $type = "string") { if ($type = = "int") { $str = file_get_contents ($file); $config = Preg_match ("/". $ini. "= (. *);/", $str, $res); Return $res [1]; } Else { $str = file_get_contents ($file); $config = Preg_match ("/". $ini. "=\" (. *) \ ";/", $str, $res); if ($res [1]==null) { $config = Preg_match ("/". $ini. "= ' (. *) ';/", $str, $res); } Return $res [1]; } } Configuration file Data Item update The contents of the extract ' in or ' are read by string when there is no fourth parameter by default If there is a fourth argument, int is treated as a numeric int. function Updateconfig ($file, $ini, $value, $type = "string") { $str = file_get_contents ($file); $str 2 = ""; if ($type = = "int") { $str 2 = preg_replace ("/". $ini. "= (. *);/", $ini. " =" . $value. ";", $str); } Else { $str 2 = preg_replace ("/". $ini. "= (. *);/", $ini. " =\"" . $value. "\"; ", $str); } File_put_contents ($file, $str 2); } Echo GetConfig ("./2.php", "BB", "string"); GetConfig ("./2.php", "BB");// Updateconfig ("./2.php", "KKK", "admin"); echo " ". GetConfig ("./2.php "," Name "," string "); ?> Copy Code The following is an improved version Improve the improved version /** * link:bbs.it-home.org * DATE:2013/2/24 * Configuration file operation (queried and modified) * When the default does not have a third parameter, read the contents of the extract "in or" by string * If there is a third argument when int is treated as a numeric int. * Call Demo $name = "admin";//kkkk $BB = ' 234 '; $BB =getconfig ("./2.php", "BB", "string"); Updateconfig ("./2.php", "name", "admin"); */ function Get_config ($file, $ini, $type = "string") { if (!file_exists ($file)) return false; $str = file_get_contents ($file); if ($type = = "int") { $config = Preg_match ("/". Preg_quote ($ini). " = (. *);/", $str, $res); return $res [1]; } else{ $config = Preg_match ("/". Preg_quote ($ini). " =\ "(. *) \";/", $str, $res); if ($res [1]==null) { $config = Preg_match ("/". Preg_quote ($ini). " = ' (. *) ';/", $str, $res); } return $res [1]; } } function Update_config ($file, $ini, $value, $type = "string") { if (!file_exists ($file)) return false; $str = file_get_contents ($file); $str 2 = ""; if ($type = = "int") { $str 2 = preg_replace ("/". Preg_quote ($ini). " = (. *);/", $ini." = ". $value."; ", $str); } else{ $str 2 = preg_replace ("/". Preg_quote ($ini). " = (. *);/", $ini." =\ "". $value. " \ ";", $str); } File_put_contents ($file, $str 2); } ?> Copy CodeYou may be interested in the article: PHP des encryption decrypted Code One example PHP uses 3DES encrypted code (compatible with. NET)

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