diff --git a/main/inc/lib/diagnoser.lib.php b/main/inc/lib/diagnoser.lib.php
index 189ba3e4a4a..186dd906a5c 100755
--- a/main/inc/lib/diagnoser.lib.php
+++ b/main/inc/lib/diagnoser.lib.php
@@ -158,7 +158,7 @@ public function get_chamilo_data()
                 $status,
                 '[FILES]',
                 get_lang('IsWritable').': '.$folder,
-                'http://be2.php.net/manual/en/function.is-writable.php',
+                'https://php.net/manual/en/function.is-writable.php',
                 $writable,
                 1,
                 'yes_no',
@@ -172,7 +172,7 @@ public function get_chamilo_data()
             $status,
             '[FILES]',
             get_lang('DirectoryExists').': /install',
-            'http://be2.php.net/file_exists',
+            'https://php.net/file_exists',
             $exists,
             0,
             'yes_no',
@@ -273,7 +273,7 @@ public function get_php_data()
             $status,
             '[PHP]',
             'phpversion()',
-            'http://www.php.net/manual/en/function.phpversion.php',
+            'https://php.net/manual/en/function.phpversion.php',
             phpversion(),
             '>= '.REQUIRED_PHP_VERSION,
             null,
@@ -287,7 +287,7 @@ public function get_php_data()
             $status,
             '[INI]',
             'output_buffering',
-            'http://www.php.net/manual/en/outcontrol.configuration.php#ini.output-buffering',
+            'https://php.net/manual/en/outcontrol.configuration.php#ini.output-buffering',
             $setting,
             $req_setting,
             'on_off',
@@ -301,7 +301,7 @@ public function get_php_data()
             $status,
             '[INI]',
             'file_uploads',
-            'http://www.php.net/manual/en/ini.core.php#ini.file-uploads',
+            'https://php.net/manual/en/ini.core.php#ini.file-uploads',
             $setting,
             $req_setting,
             'on_off',
@@ -315,7 +315,7 @@ public function get_php_data()
             $status,
             '[INI]',
             'magic_quotes_runtime',
-            'http://www.php.net/manual/en/ini.core.php#ini.magic-quotes-runtime',
+            'https://php.net/manual/en/ini.core.php#ini.magic-quotes-runtime',
             $setting,
             $req_setting,
             'on_off',
@@ -329,7 +329,7 @@ public function get_php_data()
             $status,
             '[INI]',
             'safe_mode',
-            'http://www.php.net/manual/en/ini.core.php#ini.safe-mode',
+            'https://php.net/manual/en/ini.core.php#ini.safe-mode',
             $setting,
             $req_setting,
             'on_off',
@@ -343,7 +343,7 @@ public function get_php_data()
             $status,
             '[INI]',
             'register_globals',
-            'http://www.php.net/manual/en/ini.core.php#ini.register-globals',
+            'https://php.net/manual/en/ini.core.php#ini.register-globals',
             $setting,
             $req_setting,
             'on_off',
@@ -357,7 +357,7 @@ public function get_php_data()
             $status,
             '[INI]',
             'short_open_tag',
-            'http://www.php.net/manual/en/ini.core.php#ini.short-open-tag',
+            'https://php.net/manual/en/ini.core.php#ini.short-open-tag',
             $setting,
             $req_setting,
             'on_off',
@@ -371,7 +371,7 @@ public function get_php_data()
             $status,
             '[INI]',
             'magic_quotes_gpc',
-            'http://www.php.net/manual/en/ini.core.php#ini.magic_quotes_gpc',
+            'https://php.net/manual/en/ini.core.php#ini.magic_quotes_gpc',
             $setting,
             $req_setting,
             'on_off',
@@ -385,7 +385,7 @@ public function get_php_data()
             $status,
             '[INI]',
             'display_errors',
-            'http://www.php.net/manual/en/ini.core.php#ini.display_errors',
+            'https://php.net/manual/en/ini.core.php#ini.display_errors',
             $setting,
             $req_setting,
             'on_off',
@@ -402,7 +402,7 @@ public function get_php_data()
             $status,
             '[INI]',
             'default_charset',
-            'http://www.php.net/manual/en/ini.core.php#ini.default-charset',
+            'https://php.net/manual/en/ini.core.php#ini.default-charset',
             $setting,
             $req_setting,
             null,
@@ -416,7 +416,7 @@ public function get_php_data()
             $status,
             '[INI]',
             'max_execution_time',
-            'http://www.php.net/manual/en/ini.core.php#ini.max-execution-time',
+            'https://php.net/manual/en/ini.core.php#ini.max-execution-time',
             $setting,
             $req_setting,
             null,
@@ -430,7 +430,7 @@ public function get_php_data()
             $status,
             '[INI]',
             'max_input_time',
-            'http://www.php.net/manual/en/ini.core.php#ini.max-input-time',
+            'https://php.net/manual/en/ini.core.php#ini.max-input-time',
             $setting,
             $req_setting,
             null,
@@ -447,7 +447,7 @@ public function get_php_data()
             $status,
             '[INI]',
             'memory_limit',
-            'http://www.php.net/manual/en/ini.core.php#ini.memory-limit',
+            'https://php.net/manual/en/ini.core.php#ini.memory-limit',
             $setting,
             $req_setting,
             null,
@@ -464,7 +464,7 @@ public function get_php_data()
             $status,
             '[INI]',
             'post_max_size',
-            'http://www.php.net/manual/en/ini.core.php#ini.post-max-size',
+            'https://php.net/manual/en/ini.core.php#ini.post-max-size',
             $setting,
             $req_setting,
             null,
@@ -481,7 +481,7 @@ public function get_php_data()
             $status,
             '[INI]',
             'upload_max_filesize',
-            'http://www.php.net/manual/en/ini.core.php#ini.upload_max_filesize',
+            'https://php.net/manual/en/ini.core.php#ini.upload_max_filesize',
             $setting,
             $req_setting,
             null,
@@ -494,7 +494,7 @@ public function get_php_data()
             $status,
             '[INI]',
             'upload_tmp_dir',
-            'http://www.php.net/manual/en/ini.core.php#ini.upload_tmp_dir',
+            'https://php.net/manual/en/ini.core.php#ini.upload_tmp_dir',
             $setting,
             '',
             null,
@@ -508,7 +508,7 @@ public function get_php_data()
             $status,
             '[INI]',
             'variables_order',
-            'http://www.php.net/manual/en/ini.core.php#ini.variables-order',
+            'https://php.net/manual/en/ini.core.php#ini.variables-order',
             $setting,
             $req_setting,
             null,
@@ -522,7 +522,7 @@ public function get_php_data()
             $status,
             '[SESSION]',
             'session.gc_maxlifetime',
-            'http://www.php.net/manual/en/ini.core.php#session.gc-maxlifetime',
+            'https://php.net/manual/en/ini.core.php#session.gc-maxlifetime',
             $setting,
             $req_setting,
             null,
@@ -540,7 +540,7 @@ public function get_php_data()
             $status,
             '[INI]',
             'browscap',
-            'http://www.php.net/manual/en/misc.configuration.php#ini.browscap',
+            'https://php.net/manual/en/misc.configuration.php#ini.browscap',
             $setting,
             $req_setting,
             'on_off',
@@ -550,7 +550,7 @@ public function get_php_data()
         // Extensions
         $extensions = [
             'gd' => [
-                'link' => 'https://www.php.net/gd',
+                'link' => 'https://php.net/gd',
                 'expected' => 1,
                 'comment' => get_lang('ExtensionMustBeLoaded'),
             ],
@@ -560,52 +560,52 @@ public function get_php_data()
                 'comment' => get_lang('ExtensionMustBeLoaded'),
             ],
             'pcre' => [
-                'link' => 'https://www.php.net/pcre',
+                'link' => 'https://php.net/pcre',
                 'expected' => 1,
                 'comment' => get_lang('ExtensionMustBeLoaded'),
             ],
             'session' => [
-                'link' => 'https://www.php.net/session',
+                'link' => 'https://php.net/session',
                 'expected' => 1,
                 'comment' => get_lang('ExtensionMustBeLoaded'),
             ],
             'standard' => [
-                'link' => 'https://www.php.net/spl',
+                'link' => 'https://php.net/spl',
                 'expected' => 1,
                 'comment' => get_lang('ExtensionMustBeLoaded'),
             ],
             'zlib' => [
-                'link' => 'https://www.php.net/zlib',
+                'link' => 'https://php.net/zlib',
                 'expected' => 1,
                 'comment' => get_lang('ExtensionMustBeLoaded'),
             ],
             'curl' => [
-                'link' => 'https://www.php.net/curl',
+                'link' => 'https://php.net/curl',
                 'expected' => 1,
                 'comment' => get_lang('ExtensionMustBeLoaded'),
             ],
             'fileinfo' => [
-                'link' => 'https://www.php.net/fileinfo',
+                'link' => 'https://php.net/fileinfo',
                 'expected' => 1,
                 'comment' => get_lang('ExtensionMustBeLoaded'),
             ],
             'xsl' => [
-                'link' => 'https://be2.php.net/xsl',
+                'link' => 'https://php.net/xsl',
                 'expected' => 2,
                 'comment' => get_lang('ExtensionShouldBeLoaded'),
             ],
             'Zend OPcache' => [
-                'link' => 'https://www.php.net/opcache',
+                'link' => 'https://php.net/opcache',
                 'expected' => 2,
                 'comment' => get_lang('ExtensionShouldBeLoaded'),
             ],
             'apcu' => [
-                'link' => 'https://www.php.net/apcu',
+                'link' => 'https://php.net/apcu',
                 'expected' => 2,
                 'comment' => get_lang('ExtensionShouldBeLoaded'),
             ],
             'openssl' => [ //required only for DKIM e-mail signatures
-                'link' => 'https://www.php.net/openssl',
+                'link' => 'https://php.net/openssl',
                 'expected' => 2,
                 'comment' => get_lang('ExtensionShouldBeLoaded'),
             ],
diff --git a/main/install/install.lib.php b/main/install/install.lib.php
index 434ccdfd5e4..8c6bc9311b6 100755
--- a/main/install/install.lib.php
+++ b/main/install/install.lib.php
@@ -790,7 +790,7 @@ function display_requirements(
         // If PHP < 7.0, then an undefined date.timezone would trigger a
         // warning, so ask for it to be defined. Above 7.0, date.timezone
         // defaults to UTC and does not trigger warnings.
-        // See http://php.net/manual/en/migration70.other-changes.php
+        // See https://php.net/manual/en/migration70.other-changes.php
         $timezone = checkPhpSettingExists("date.timezone");
         if (!$timezone) {
             echo "<div class='alert alert-warning'>".
@@ -821,76 +821,76 @@ function display_requirements(
     echo '</td>
             </tr>
             <tr>
-                <td class="requirements-item"><a href="http://php.net/manual/en/book.session.php" target="_blank">Session</a> '.get_lang('Support').'</td>
+                <td class="requirements-item"><a href="https://php.net/manual/en/book.session.php" target="_blank">Session</a> '.get_lang('Support').'</td>
                 <td class="requirements-value">'.checkExtension('session', get_lang('Yes'), get_lang('ExtensionSessionsNotAvailable')).'</td>
             </tr>
             <tr>
-                <td class="requirements-item"><a href="http://php.net/manual/en/book.mysql.php" target="_blank">pdo_mysql</a> '.get_lang('Support').'</td>
+                <td class="requirements-item"><a href="https://php.net/manual/en/book.mysql.php" target="_blank">pdo_mysql</a> '.get_lang('Support').'</td>
                 <td class="requirements-value">'.checkExtension('pdo_mysql', get_lang('Yes'), get_lang('ExtensionMySQLNotAvailable')).'</td>
             </tr>
             <tr>
-                <td class="requirements-item"><a href="http://php.net/manual/en/book.zip.php" target="_blank">Zip</a> '.get_lang('Support').'</td>
+                <td class="requirements-item"><a href="https://php.net/manual/en/book.zip.php" target="_blank">Zip</a> '.get_lang('Support').'</td>
                 <td class="requirements-value">'.checkExtension('zip', get_lang('Yes'), get_lang('ExtensionNotAvailable')).'</td>
             </tr>
             <tr>
-                <td class="requirements-item"><a href="http://php.net/manual/en/book.zlib.php" target="_blank">Zlib</a> '.get_lang('Support').'</td>
+                <td class="requirements-item"><a href="https://php.net/manual/en/book.zlib.php" target="_blank">Zlib</a> '.get_lang('Support').'</td>
                 <td class="requirements-value">'.checkExtension('zlib', get_lang('Yes'), get_lang('ExtensionZlibNotAvailable')).'</td>
             </tr>
             <tr>
-                <td class="requirements-item"><a href="http://php.net/manual/en/book.pcre.php" target="_blank">Perl-compatible regular expressions</a> '.get_lang('Support').'</td>
+                <td class="requirements-item"><a href="https://php.net/manual/en/book.pcre.php" target="_blank">Perl-compatible regular expressions</a> '.get_lang('Support').'</td>
                 <td class="requirements-value">'.checkExtension('pcre', get_lang('Yes'), get_lang('ExtensionPCRENotAvailable')).'</td>
             </tr>
             <tr>
-                <td class="requirements-item"><a href="http://php.net/manual/en/book.xml.php" target="_blank">XML</a> '.get_lang('Support').'</td>
+                <td class="requirements-item"><a href="https://php.net/manual/en/book.xml.php" target="_blank">XML</a> '.get_lang('Support').'</td>
                 <td class="requirements-value">'.checkExtension('xml', get_lang('Yes'), get_lang('No')).'</td>
             </tr>
             <tr>
-                <td class="requirements-item"><a href="http://php.net/manual/en/book.intl.php" target="_blank">Internationalization</a> '.get_lang('Support').'</td>
+                <td class="requirements-item"><a href="https://php.net/manual/en/book.intl.php" target="_blank">Internationalization</a> '.get_lang('Support').'</td>
                 <td class="requirements-value">'.checkExtension('intl', get_lang('Yes'), get_lang('No')).'</td>
             </tr>
                <tr>
-                <td class="requirements-item"><a href="http://php.net/manual/en/book.json.php" target="_blank">JSON</a> '.get_lang('Support').'</td>
+                <td class="requirements-item"><a href="https://php.net/manual/en/book.json.php" target="_blank">JSON</a> '.get_lang('Support').'</td>
                 <td class="requirements-value">'.checkExtension('json', get_lang('Yes'), get_lang('No')).'</td>
             </tr>
              <tr>
-                <td class="requirements-item"><a href="http://php.net/manual/en/book.image.php" target="_blank">GD</a> '.get_lang('Support').'</td>
+                <td class="requirements-item"><a href="https://php.net/manual/en/book.image.php" target="_blank">GD</a> '.get_lang('Support').'</td>
                 <td class="requirements-value">'.checkExtension('gd', get_lang('Yes'), get_lang('ExtensionGDNotAvailable')).'</td>
             </tr>
             <tr>
-                <td class="requirements-item"><a href="http://php.net/manual/en/book.curl.php" target="_blank">cURL</a>'.get_lang('Support').'</td>
+                <td class="requirements-item"><a href="https://php.net/manual/en/book.curl.php" target="_blank">cURL</a>'.get_lang('Support').'</td>
                 <td class="requirements-value">'.checkExtension('curl', get_lang('Yes'), get_lang('No')).'</td>
             </tr>
             <tr>
-                <td class="requirements-item"><a href="http://php.net/manual/en/book.fileinfo.php" target="_blank">FileInfo</a>'.get_lang('Support').'</td>
+                <td class="requirements-item"><a href="https://php.net/manual/en/book.fileinfo.php" target="_blank">FileInfo</a>'.get_lang('Support').'</td>
                 <td class="requirements-value">'.checkExtension('fileinfo', get_lang('Yes'), get_lang('No')).'</td>
             </tr>
 
             <tr>
-                <td class="requirements-item"><a href="http://php.net/manual/en/book.mbstring.php" target="_blank">Multibyte string</a> '.get_lang('Support').' ('.get_lang('Optional').')</td>
+                <td class="requirements-item"><a href="https://php.net/manual/en/book.mbstring.php" target="_blank">Multibyte string</a> '.get_lang('Support').' ('.get_lang('Optional').')</td>
                 <td class="requirements-value">'.checkExtension('mbstring', get_lang('Yes'), get_lang('ExtensionMBStringNotAvailable'), true).'</td>
             </tr>
             <tr>
-                <td class="requirements-item"><a href="http://php.net/opcache" target="_blank">Zend OpCache</a> '.get_lang('Support').' ('.get_lang('Optional').')</td>
+                <td class="requirements-item"><a href="https://php.net/opcache" target="_blank">Zend OpCache</a> '.get_lang('Support').' ('.get_lang('Optional').')</td>
                 <td class="requirements-value">'.checkExtension('Zend OPcache', get_lang('Yes'), get_lang('No'), true, 'opcache.enable').'</td>
             </tr>
             <tr>
-                <td class="requirements-item"><a href="http://php.net/apcu" target="_blank">APCu</a> '.get_lang('Support').' ('.get_lang('Optional').')</td>
+                <td class="requirements-item"><a href="https://php.net/apcu" target="_blank">APCu</a> '.get_lang('Support').' ('.get_lang('Optional').')</td>
                 <td class="requirements-value">'.checkExtension('apcu', get_lang('Yes'), get_lang('No'), true, 'apc.enabled').'</td>
             </tr>
             <tr>
-                <td class="requirements-item"><a href="http://php.net/manual/en/book.iconv.php" target="_blank">Iconv</a> '.get_lang('Support').' ('.get_lang('Optional').')</td>
+                <td class="requirements-item"><a href="https://php.net/manual/en/book.iconv.php" target="_blank">Iconv</a> '.get_lang('Support').' ('.get_lang('Optional').')</td>
                 <td class="requirements-value">'.checkExtension('iconv', get_lang('Yes'), get_lang('No'), true).'</td>
             </tr>
             <tr>
-                <td class="requirements-item"><a href="http://php.net/manual/en/book.ldap.php" target="_blank">LDAP</a> '.get_lang('Support').' ('.get_lang('Optional').')</td>
+                <td class="requirements-item"><a href="https://php.net/manual/en/book.ldap.php" target="_blank">LDAP</a> '.get_lang('Support').' ('.get_lang('Optional').')</td>
                 <td class="requirements-value">'.checkExtension('ldap', get_lang('Yes'), get_lang('ExtensionLDAPNotAvailable'), true).'</td>
             </tr>
             <tr>
-                <td class="requirements-item"><a href="http://xapian.org/" target="_blank">Xapian</a> '.get_lang('Support').' ('.get_lang('Optional').')</td>
+                <td class="requirements-item"><a href="https://xapian.org/" target="_blank">Xapian</a> '.get_lang('Support').' ('.get_lang('Optional').')</td>
                 <td class="requirements-value">'.checkExtension('xapian', get_lang('Yes'), get_lang('No'), true).'</td>
             </tr>
             <tr>
-                <td class="requirements-item"><a href="https://www.php.net/openssl" target="_blank">OpenSSL</a> '.get_lang('Support').' ('.get_lang('Optional').')</td>
+                <td class="requirements-item"><a href="https://php.net/openssl" target="_blank">OpenSSL</a> '.get_lang('Support').' ('.get_lang('Optional').')</td>
                 <td class="requirements-value">'.checkExtension('openssl', get_lang('Yes'), get_lang('No'), true).'</td>
             </tr>
         </table>';
@@ -910,62 +910,62 @@ function display_requirements(
                 <th>'.get_lang('Actual').'</th>
             </tr>
             <tr>
-                <td class="requirements-item"><a href="http://php.net/manual/features.safe-mode.php">Safe Mode</a></td>
+                <td class="requirements-item"><a href="https://php.net/manual/features.safe-mode.php">Safe Mode</a></td>
                 <td class="requirements-recommended">'.Display::label('OFF', 'success').'</td>
                 <td class="requirements-value">'.checkPhpSetting('safe_mode', 'OFF').'</td>
             </tr>
             <tr>
-                <td class="requirements-item"><a href="http://php.net/manual/ref.errorfunc.php#ini.display-errors">Display Errors</a></td>
+                <td class="requirements-item"><a href="https://php.net/manual/ref.errorfunc.php#ini.display-errors">Display Errors</a></td>
                 <td class="requirements-recommended">'.Display::label('OFF', 'success').'</td>
                 <td class="requirements-value">'.checkPhpSetting('display_errors', 'OFF').'</td>
             </tr>
             <tr>
-                <td class="requirements-item"><a href="http://php.net/manual/ini.core.php#ini.file-uploads">File Uploads</a></td>
+                <td class="requirements-item"><a href="https://php.net/manual/ini.core.php#ini.file-uploads">File Uploads</a></td>
                 <td class="requirements-recommended">'.Display::label('ON', 'success').'</td>
                 <td class="requirements-value">'.checkPhpSetting('file_uploads', 'ON').'</td>
             </tr>
             <tr>
-                <td class="requirements-item"><a href="http://php.net/manual/ref.info.php#ini.magic-quotes-gpc">Magic Quotes GPC</a></td>
+                <td class="requirements-item"><a href="https://php.net/manual/ref.info.php#ini.magic-quotes-gpc">Magic Quotes GPC</a></td>
                 <td class="requirements-recommended">'.Display::label('OFF', 'success').'</td>
                 <td class="requirements-value">'.checkPhpSetting('magic_quotes_gpc', 'OFF').'</td>
             </tr>
             <tr>
-                <td class="requirements-item"><a href="http://php.net/manual/ref.info.php#ini.magic-quotes-runtime">Magic Quotes Runtime</a></td>
+                <td class="requirements-item"><a href="https://php.net/manual/ref.info.php#ini.magic-quotes-runtime">Magic Quotes Runtime</a></td>
                 <td class="requirements-recommended">'.Display::label('OFF', 'success').'</td>
                 <td class="requirements-value">'.checkPhpSetting('magic_quotes_runtime', 'OFF').'</td>
             </tr>
             <tr>
-                <td class="requirements-item"><a href="http://php.net/manual/security.globals.php">Register Globals</a></td>
+                <td class="requirements-item"><a href="https://php.net/manual/security.globals.php">Register Globals</a></td>
                 <td class="requirements-recommended">'.Display::label('OFF', 'success').'</td>
                 <td class="requirements-value">'.checkPhpSetting('register_globals', 'OFF').'</td>
             </tr>
             <tr>
-                <td class="requirements-item"><a href="http://php.net/manual/ref.session.php#ini.session.auto-start">Session auto start</a></td>
+                <td class="requirements-item"><a href="https://php.net/manual/ref.session.php#ini.session.auto-start">Session auto start</a></td>
                 <td class="requirements-recommended">'.Display::label('OFF', 'success').'</td>
                 <td class="requirements-value">'.checkPhpSetting('session.auto_start', 'OFF').'</td>
             </tr>
             <tr>
-                <td class="requirements-item"><a href="http://php.net/manual/ini.core.php#ini.short-open-tag">Short Open Tag</a></td>
+                <td class="requirements-item"><a href="https://php.net/manual/ini.core.php#ini.short-open-tag">Short Open Tag</a></td>
                 <td class="requirements-recommended">'.Display::label('OFF', 'success').'</td>
                 <td class="requirements-value">'.checkPhpSetting('short_open_tag', 'OFF').'</td>
             </tr>
             <tr>
-                <td class="requirements-item"><a href="http://www.php.net/manual/en/session.configuration.php#ini.session.cookie-httponly">Cookie HTTP Only</a></td>
+                <td class="requirements-item"><a href="https://php.net/manual/en/session.configuration.php#ini.session.cookie-httponly">Cookie HTTP Only</a></td>
                 <td class="requirements-recommended">'.Display::label('ON', 'success').'</td>
                 <td class="requirements-value">'.checkPhpSetting('session.cookie_httponly', 'ON').'</td>
             </tr>
             <tr>
-                <td class="requirements-item"><a href="http://php.net/manual/ini.core.php#ini.upload-max-filesize">Maximum upload file size</a></td>
+                <td class="requirements-item"><a href="https://php.net/manual/ini.core.php#ini.upload-max-filesize">Maximum upload file size</a></td>
                 <td class="requirements-recommended">'.Display::label('>= '.REQUIRED_MIN_UPLOAD_MAX_FILESIZE.'M', 'success').'</td>
                 <td class="requirements-value">'.compare_setting_values(ini_get('upload_max_filesize'), REQUIRED_MIN_UPLOAD_MAX_FILESIZE).'</td>
             </tr>
             <tr>
-                <td class="requirements-item"><a href="http://php.net/manual/ini.core.php#ini.post-max-size">Maximum post size</a></td>
+                <td class="requirements-item"><a href="https://php.net/manual/ini.core.php#ini.post-max-size">Maximum post size</a></td>
                 <td class="requirements-recommended">'.Display::label('>= '.REQUIRED_MIN_POST_MAX_SIZE.'M', 'success').'</td>
                 <td class="requirements-value">'.compare_setting_values(ini_get('post_max_size'), REQUIRED_MIN_POST_MAX_SIZE).'</td>
             </tr>
             <tr>
-                <td class="requirements-item"><a href="http://www.php.net/manual/en/ini.core.php#ini.memory-limit">Memory Limit</a></td>
+                <td class="requirements-item"><a href="https://php.net/manual/en/ini.core.php#ini.memory-limit">Memory Limit</a></td>
                 <td class="requirements-recommended">'.Display::label('>= '.REQUIRED_MIN_MEMORY_LIMIT.'M', 'success').'</td>
                 <td class="requirements-value">'.compare_setting_values($originalMemoryLimit, REQUIRED_MIN_MEMORY_LIMIT).'</td>
             </tr>