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This command tests the validity of your <code>httpd.conf</code> file and should return the line where the error is encountered.
This command tests the validity of your <code>httpd.conf</code> file and should return the line where the error is encountered.
−In addition to common syntax errors due to carelessness, one of the most common errors is the absence of the file <code>C:\php\php7apache2_4.dll</code>. This file is indeed missing if you have downloaded the wrong version of PHP ('''<u>No</u>''' '''Thread Safe''') instead of the '''Thread Safe''' version. In this case, download the good archive ('''Thread Safe''') and perform the [[Manual_Installation_Under_Windows#Extract_the_archive_for_PHP_installation]] part again.
+In addition to common syntax errors due to carelessness, one of the most common errors is the absence of the file <code>C:\php\php7apache2_4.dll</code>. This file is indeed missing if you have downloaded the wrong version of PHP ('''<u>No</u>''' '''Thread Safe''') instead of the '''Thread Safe''' version. In this case, download the good archive ('''Thread Safe''') and perform the [[Manual_Installation_On_Windows#Extract_the_archive_for_PHP_installation]] part again.
−Another problem that can be encountered is the impossibility to start '''Apache2''' because the port '''80''' is already used by another program. See the appendix [[Manual Installation under Windows#What are "Listening Ports" and how to know if a program already occupies a specific port? |What are "Listening Ports" and how to know if a program already occupies a specific port?]] for instructions on how to proceed.
+Another problem that can be encountered is the impossibility to start '''Apache2''' because the port '''80''' is already used by another program. See the appendix [[Manual_Installation_On_Windows#What are "Listening Ports" and how to know if a program already occupies a specific port? |What are "Listening Ports" and how to know if a program already occupies a specific port?]] for instructions on how to proceed.
Once you have corrected any errors, try again to start the '''Apache2.4''' Service with the command mentioned above.
Once you have corrected any errors, try again to start the '''Apache2.4''' Service with the command mentioned above.
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You can now close the software '''MySQL Client (MariaDB 10.4 (x64)'''.
You can now close the software '''MySQL Client (MariaDB 10.4 (x64)'''.
+
+===Check if Apache2 works properly====
+
+*Start your favorite Web Browser (Firefox, Google Chrome, Opera, Brave, Vivaldi, Internet Explorer, Edge, etc.) and enter the address <code>http://localhost</code> in the address bar then validate with '''Enter'''.
+
+If you have correctly installed '''Apache2''', the "Web Server" should answer you a nice <code>It works!</code>.
+[[File:It works! Apache2.png|none|frame|The Web Server default page '''Apache2''.|link=Special:FilePath/It_works!_Apache2.png]]
+
+This concludes our '''Apache2''' test.
+
+We were indeed able to get a response from the Web Server '''Apache2''' (in this case <code>It works!</code>) which proves that it was correctly installed and started.
+
+You can now close your Web Browser.
+<br />
+
+===Check if PHP works properly==
+Concerning the PHP part, we have two things to check.
+
+#The files <code>index.php</code> are correctly recognized when accessing a directory.
+#The files <code>*.php</code> are correctly interpreted by PHP and return HTML.
+
+*With the Windows '''File Explorer''', go to the '''Local Disk (C:)''' then in the directory '''Apache24'''. Finally, go to the '''htdocs''' directory (<code>C:\Apache24\htdocs</code>).
+
+You will find in this folder a file <code>index.html</code>. This is the famous file which contains <code><nowiki><html><body><h1>It works!</h1></nowiki><nowiki></body></nowiki><nowiki></html></nowiki></code> is the HTML answer which was sent back to us '''Apache2''' when we accessed the server by typing the address <code>http://localhost</code>.
+
+*In the folder '''htdocs''' (<code>C:\Apache24\htdocs</code>), create a new folder <code> test</code> (right click, '''New''' > '''Folder''').
+*Double-click on the new folder <code>test</code> to enter it.
+*Create a new file <code>index.php</code> (right click, '''New''' > '''Text Document''').
+*Open the document with the Windows '''Notepad''' (right click, '''Open with''' > '''Notepad'''; if '''Notepad''' is not proposed, click on '''Choose another software''', then on '''More software''' and select '''Notepad''' in the list before validating with '''OK''').
+*Enter the following '''PHP''' code in the file :<syntaxhighlight lang="php">
+<?php
+phpinfo();
+</syntaxhighlight>
+*Save the file <code>index.php</code> ('''File''' > '''Save''' or <kbd>Ctrl</kbd> + <kbd>S</kbd>) and close it.
+
+When PHP processes a file, it looks for the opening and closing tags ('''<code>?php</code>''' and '''<code>?</code>''') that delimit the code it must interpret. <code>?php</code> thus allows to indicate that we are going to write '''PHP''' code.
+
+The function <code>[https://www.php.net/manual/en/function.phpinfo.php phpinfo]</code> displays a lot of information about the configuration of '''PHP''', which will allow us to check that '''PHP''' works and that we have activated the right extensions.
+
+*Start your favorite Web Browser (Firefox, Google Chrome, Opera, Brave, Vivaldi, Internet Explorer, Edge, etc.) and this time enter the address <code>http://localhost/test</code> in the address bar then validate with '''Enter'''.
+
+'''Apache2''' should return a page generated by '''PHP''' containing all the configuration information. If you scroll this page, you '''<u>should</u>''' see sections related to the extensions we loaded previously (including <code>curl</code>, <code>gd2</code>, <code>intl</code> and <code>mysqli</code>). If one of these sections is not displayed, it means that the extension is not loaded (so you forgot to remove a semicolon in front of an extension name when editing the <code>C:\php\php.ini</code> or you forgot to copy one of the files mentioned in [[Manual installation On Windows#Copy the files needed for the PHP extensions intl and curl to the bin/ directory of Apache2|Copy the files needed for the PHP extensions <code>intl</code> and <code>curl</code> to the <code>bin/</code> directory of Apache2]]. Check and correct if necessary your omissions and then restart the Service '''Apache2.4''' so that your changes are taken into account (see appendix [[Manual installation on Windows#How to manage Windows "Services" ?|How to manage Windows "Services" ?]] to know how to restart an existing Service).
+
+[[File:Phpinfo().png|border|none|thumb|750x750px|''Apache2'' returns the page with the configuration information generated by ''PHP''.]
+<This concludes our test of ''PHP''.
+
+We were indeed able to verify that '''PHP''' works correctly because it returns the information related to its current configuration.
+
+Moreover, the files '''PHP''' <code>index.php</code> are well interpreted as index files because our file was well executed by typing <code>http://localhost/test</code> (we did not need to type <code>[http://localhost/test http://localhost/test/index.php]</code> ).
+
+*With the Windows '''File Explorer''', go to the '''Local Disk (C:)''' then to the '''Apache24''' directory. Finally, go to the '''htdocs''' directory (<code>C:\Apache24\htdocs</code>).
+*Delete the folder <code> test</code> that we previously created.
+
+You can now close the Windows File Explorer and your Web Browser.
+<br />
+
+*
+
+#