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

Code for operations such as reading and modifying the config. php file. For more information, see The code is as follows:
$ Name = "admin"; // kkkk
$ Bb = '000000 ';
$ Db = 4561321;
$ Kkk = "admin ";
?>

Function definition:
Configuration file data value acquisition: function getconfig ($ file, $ ini, $ type = "string ")
Configuration file data item update: function updateconfig ($ file, $ ini, $ value, $ type = "string ")
Call method:
The code is as follows:
Getconfig ("./2.php"," bb ");//
Updateconfig ("./2.php"," kkk "," admin ");

The code is as follows:

// Obtain the configuration file data value.
// If no third parameter exists by default, extract the content in ''or" "according to the string
// If there is a third parameter, int is used.
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];
}
}

// Update configuration file data items
// If no fourth parameter exists by default, extract the content in ''or" "according to the string
// If there is a fourth parameter, int is used.
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 ");

?>

The code is as follows:
// Complete the ultimate version


/**
* Configuration file operations (query and modification)
* If no third parameter is provided by default, the content in ''or" "is extracted based on the string.
* If there is a third parameter, int is used.
* Call demo
$ Name = "admin"; // kkkk
$ Bb = '000000 ';

$ 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 );
}