Configuration file operations in php such as reading and modifying config.php files

 
<?php 
$name="admin";//kkkk 
$bb='234'; 
$db=4561321; 
$kkk="admin"; 
?> 

Function definition:
Configuration file data value acquisition: function getconfig($file, $ini, $type="string")
Profile data item update: function updateconfig($file, $ini, $value,$type="string")
Method of invocation:

 
getconfig("./2.php", "bb");// 
updateconfig("./2.php", "kkk", "admin"); 

 
<?php 

// Configuration file data values.  
// There is no default 3 When the number of parameters, read and extract according to the string '' Or in the "" The contents of the  
// If you have the first 3 Is when int Time by number int To deal with.  
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]; 
} 
} 

// Profile data item update  
// There is no default 4 When the number of parameters, read and extract according to the string '' Or in the "" The contents of the  
// If you have the first 4 Is when int Time by number int To deal with.  
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 "<br/>".getconfig("./2.php", "name","string"); 

?> 

 
// Improved version  


/** 
*  Configuration file operation ( Queried and modified ) 
*  There is no default 3 When the number of parameters, read and extract according to the string '' Or in the "" The contents of the  
*  If you have the first 3 Is when int Time by number int To deal with.  
* 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); 
}