admin.php3 $program_name Version: $ver $admin_name:
INCLUDE("layout.inc.php3");
INCLUDE("config.inc.php3");
INCLUDE("./lang/$language.inc.php3");
print_header("$admin_name");
print_navbar();
$string=implode($argv," ");
$string2=explode("&",$string);
if($string==’’)
{
echo"
Administration:
.php3?admin">
$admin_username:
$admin_password:
$send">
";
}
else if($string==’admin’)
{
if($adminuser1==$adminuser)
{
if($adminpass1==$adminpass)
{
echo"
admin.php3?send&$adminuser1&$adminpass1">$send_mail
admin.php3?users&$adminuser1&$adminpass1">$show_users
admin.php3?delall&$adminuser1&$adminpass1">$del_table
tablecreator.php3">$create_table
";
}
else { echo"$noaccess"; }
}
else { echo"$noaccess"; }
}
else if($string2[0]==’delall’)
{
if($string2[1]==$adminuser)
{
if($string2[2]==$adminpass)
{
$query="DROP TABLE $maillist_table";
mysql_db_query($database_name,$query,$conn) or die("$cant_del_table");
echo"$table_deleted";
}
else { echo"$noaccess"; }
}
else { echo"$noaccess"; }
}
else if($string2[0]==’users’)
{
if($string2[1]==$adminuser)
{
if($string2[2]==$adminpass)
{
echo"
$headline_users
";
}
else { echo"$noaccess"; }
}
else { echo"$noaccess"; }
}
else if($string2[0]==’deluser’)
{
if($string2[1]==$adminuser)
{
if($string2[2]==$adminpass)
{
$query="DELETE FROM $maillist_table WHERE email=’$string2[3]’";
mysql_db_query($database_name,$query,$conn) or die("$string2[3] $could_not_be_deleted");
echo"$string2[3] has_been_deleted";
}
else { echo"$noaccess"; }
}
else { echo"$noaccess"; }
}
else if($string2[0]==’send’)
{
if($string2[1]==$adminuser)
{
if($string2[2]==$adminpass)
{
echo"
$send_mail:
?>
english.inc.php3
$mailadd_text="If you are in our Newsletter, you get an E-Mail with Informations
about our Homepage every month. Just fill in the following Form.
to unsubscribe click";
$remember_pass="Please remember your Password, otherwise, you can’t delete your mailadress from
the list";
$wrong_mail="You’ve entered a bad E-Mail adress";
$admin_name="Newsletter Administration";
$program_name="Newsletter-Manager";
$admin_username="Admin-Username";
$admin_password="Admin-Password";
$send="submit";
$reset="reset";
$noaccess="access denied";
$send_mail="Send a Mail to the list";
$show_users="Show/delete members";
$del_table="Delete Table $maillist_table";
$create_table="Create Table $maillist_table";
$cant_del_table="Can’t delete Table $maillist_table";
$table_deleted="Table $maillist_table has been deleted";
$headline_users="Every user on one place:";
$prename="Prename";
$database_error="Error on Database: $database_name";
$delete="delete";
$could_not_be_deleted="could not be deleted";
$has_been_deleted="has been deleted";
$topic="Topic";
$message="Message";
$send_error="send error";
$xxx_has_been_sent="The following has been sent";
$already_there="You are already in the list!!!";
$xxx_has_been_entered="The following has been entered";
$password="Password";
$cant_find_entry="Can’t find entry!";
$isnt_in_db="$email is not entered in the Database";
$error_del="Error while trying to delete";
$entry_del="Entry has been deleted";
$here="HERE";
$click="";
$all_fields_must_be_edited="ERROR! All Fields have to be filled in completely!";
?>
tablecreator.php3
INCLUDE"layout.inc.php3";
INCLUDE"config.inc.php3";
print_header("Create table $maillist_table");
print_navbar();
$query="CREATE TABLE $maillist_table
(name CHAR (50) not null , vorname CHAR (50) not null ,
email CHAR (255) not null , pass CHAR (10) not null ,
PRIMARY KEY (email), INDEX (email), UNIQUE (email))";
mysql_db_query($database_name,$query,$conn) or die("Could not create table");
echo"Table "$maillist_table" has been created";
print_back();
print_footer();
?>
index.php3
/******************************************************************************/
/* */
/* Mailinglisten-Manager */
/* */
/* by: Marcel Beerta */
/* http://www.supertown.de/computer/mazen/ */
/* marcel.beerta@gmx.net */
/* */
/******************************************************************************/
INCLUDE "config.inc.php3";
INCLUDE "./lang/$language.inc.php3";
INCLUDE "layout.inc.php3";
print_header("$program_name");
print_navbar();
$string=implode($argv," ");
if ($string==’add’)
{
if($name&&$prename&&$email&&$pw)
{
$query="INSERT INTO $maillist_table(name,vorname,email,pass)
VALUES(’$name’,’$vorname’,’$email’,’$pw’)";
mysql_db_query($database_name,$query,$conn) or die("$already_there");
echo"
$xxx_has_been_entered
Name: $name
$prename: $vorname
E-Mail: $email
$password: $pw
$remember_pass
";
}
else
{
echo"$all_fields_must_be_edited";
}
}
else if($string==’delete’)
{
echo"
.php3?delme">
E-Mail:
$password:
$send">
";
}
else if($string==’delme’)
{
$query1="SELECT * FROM $maillist_table WHERE $maillist_table.email LIKE ’$email’";
$result=mysql_db_query($database_name,$query1,$conn) or die("$cant_find_entry");
$data=mysql_fetch_row($result) or die("$isnt_in_db
");
if($data[3]==$pw)
{
$query="DELETE FROM $maillist_table WHERE email=’$email’";
mysql_db_query($database_name,$query,$conn) or die("$error_del");
echo"$entry_del";
}
else
{
echo"$noaccess";
}
}
else
{
echo"$mailadd_text
index.php3?delete">$here $click ...
";
}
print_back();
print_footer();
?>
layout.inc.php3
/******************************************************************************/
/* */
/* Layout Datei ... */
/* */
/* Einfach auf eigene Layout-Wuensche anpassen ... */
/* */
/* by Marcel Beerta */
/* http://www.supertown.de/computer/mazen/ */
/* */
/******************************************************************************/
function print_header ($title)
{
echo"
Content-Type" content="text/html; charset=ISO-8859-1">
description"
content="">
keywords"
content="">
distribution" content="global">
robots" content="index">
robots" content="follow">
revisit-after" CONTENT="1 days">
language" content="">
author" content="">
copyright" content="">
programmer" content="Marcel Beerta (www.game-center.de)">
0" leftmargin="0" bgColor=#040732 link=#ffc600 text=#ffffff vLink=#ffc600
style="font-family: Verdana; color: #FFFFFF">";
}
function print_navbar ( )
{
echo"
";
}
function print_footer ( )
{
echo"
";
}
function print_back ( )
{
echo"
";
}
?>
config.inc.php3
/*****************************************************************************/
/* */
/* Datenbank-Connector */
/* Marcel Beerta */
/* http://www.supertown.de/mazen/maillist */
/*****************************************************************************/
/**************************************/
/* Just edit the following few lines: */
/**************************************/
//Admin-username:
$adminuser=’szw’;
//Admin-password:
$adminpass=’szw’;
//language
$language=’english’; //other Languages: ’german’,’english’
//The Hostname of the MySQL-Server
$hostname = ’localhost’;
//MySQL-Server username
$user = ’root’;
//MySQL-Server password
$pass = ’’;
//Database-Name
$database_name = ’maillist’;
//Maillinglist-Table
$maillist_table=’marcel_maillist’;
//From-E-Mail
$from=’sszw@163.net’;
//Reply-To-E-Mail
$reply=’sszw@163.net’;
//X-Mailer
$mailer=’PHP-Maillist by Mazen’;
/************************************************/
/* Don’t edit this, if you don’t know, what you */
/* do... */
/************************************************/
$conn=mysql_pconnect ($hostname,$user,$pass);
$ver="1.0.0";
?&g

TomakePHPapplicationsfaster,followthesesteps:1)UseOpcodeCachinglikeOPcachetostoreprecompiledscriptbytecode.2)MinimizeDatabaseQueriesbyusingquerycachingandefficientindexing.3)LeveragePHP7 Featuresforbettercodeefficiency.4)ImplementCachingStrategiessuc

ToimprovePHPapplicationspeed,followthesesteps:1)EnableopcodecachingwithAPCutoreducescriptexecutiontime.2)ImplementdatabasequerycachingusingPDOtominimizedatabasehits.3)UseHTTP/2tomultiplexrequestsandreduceconnectionoverhead.4)Limitsessionusagebyclosin

Dependency injection (DI) significantly improves the testability of PHP code by explicitly transitive dependencies. 1) DI decoupling classes and specific implementations make testing and maintenance more flexible. 2) Among the three types, the constructor injects explicit expression dependencies to keep the state consistent. 3) Use DI containers to manage complex dependencies to improve code quality and development efficiency.

DatabasequeryoptimizationinPHPinvolvesseveralstrategiestoenhanceperformance.1)Selectonlynecessarycolumnstoreducedatatransfer.2)Useindexingtospeedupdataretrieval.3)Implementquerycachingtostoreresultsoffrequentqueries.4)Utilizepreparedstatementsforeffi

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PHP performance bottlenecks can be solved through the following steps: 1) Use Xdebug or Blackfire for performance analysis to find out the problem; 2) Optimize database queries and use caches, such as APCu; 3) Use efficient functions such as array_filter to optimize array operations; 4) Configure OPcache for bytecode cache; 5) Optimize the front-end, such as reducing HTTP requests and optimizing pictures; 6) Continuously monitor and optimize performance. Through these methods, the performance of PHP applications can be significantly improved.

DependencyInjection(DI)inPHPisadesignpatternthatmanagesandreducesclassdependencies,enhancingcodemodularity,testability,andmaintainability.Itallowspassingdependencieslikedatabaseconnectionstoclassesasparameters,facilitatingeasiertestingandscalability.

CachingimprovesPHPperformancebystoringresultsofcomputationsorqueriesforquickretrieval,reducingserverloadandenhancingresponsetimes.Effectivestrategiesinclude:1)Opcodecaching,whichstorescompiledPHPscriptsinmemorytoskipcompilation;2)DatacachingusingMemc


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