PHP code for reading and modifying custom configuration files-PHP Tutorial-php.cn

PHP code for reading and modifying custom configuration files

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Release： 2016-07-25 09:04:42

Original

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/**
desc: configuration file
link: bbs.it-home.org
date: 2013/2/24
*/
$name="admin";//kkkk
$bb='234';
$db=4561321;
$kkk="admin" ;
?>

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Function definition: Get configuration file data value: function getconfig($file, $ini, $type="string") Configuration file data item update: function updateconfig($file, $ini, $value,$type="string") Calling method:

getconfig("./2.php", "bb");//
updateconfig("./2.php", "kkk", "admin ");
//Get configuration file data value.
//By default, when there is no third parameter, read and extract the content in '' or "" according to the string.
//If there is a third parameter, it is int, and it is processed as a digital 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 $res[1];
}
}
// Configuration file data item update
//By default, when there is no fourth parameter, read and extract the content in '' or "" according to the string
//If there is a fourth parameter and it is int, it will be processed as a digital int.
function updateconfig($file, $ini, $value,$type="string")
{
$str = file_get_contents($file);
$str2="";
if($type=="int")
{
$str2 = preg_replace("/" . $ini . "=(.*);/", $ini . "=" . $value . ";", $str);
}
else
{
$str2 = preg_replace("/" . $ini . "=(.*);/", $ini . "="" . $value . "";",$str);
}
file_put_contents($file, $str2);
}
//echo getconfig("./2.php", "bb", "string");
getconfig("./2.php", " bb");//
updateconfig("./2.php", "kkk", "admin");
//echo "
".getconfig("./2.php", " name","string");
?>

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The following is the improved version

//Perfect and improved version
/**
* link: bbs.it-home.org
* date: 2013/2/24
* Configuration file operation (query and modification)
* By default, when there is no third parameter, read and extract '' according to the string Or the content in ""
* If there is a third parameter that is an int, it will be processed as a numerical 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);
$str2="";
if($type=="int"){
$ str2 = preg_replace("/".preg_quote($ini)."=(.*);/", $ini."=".$value.";",$str);
}
else{
$str2 = preg_replace("/".preg_quote($ini)."=(.*);/",$ini."="".$value."";",$str);
}
file_put_contents($file , $str2);
}
?>