How to set up XAMP correctly?

Question

PHP

Who can give a link to setup Php environment as XAMP ?
First time working with XAMP , tell me what is the difference between Apache and Tomcat that come together in a package ?
My log error:

[Wed Apr 26 22:38:50.268255 2017] [ssl:warn] [pid 7336:tid 372] AH01909: www.example.com:443:0 server certificate does NOT include an ID which matches the server name
[Wed Apr 26 22:38:50.366383 2017] [ssl:warn] [pid 7336:tid 372] AH01909: www.example.com:443:0 server certificate does NOT include an ID which matches the server name
[Wed Apr 26 22:38:50.395404 2017] [mpm_winnt:notice] [pid 7336:tid 372] AH00455: Apache/2.4.25 (Win32) OpenSSL/1.0.2j PHP/5.6.30 configured -- resuming normal operations
[Wed Apr 26 22:38:50.396405 2017] [mpm_winnt:notice] [pid 7336:tid 372] AH00456: Apache Lounge VC11 Server built: Dec 20 2016 13:02:04
[Wed Apr 26 22:38:50.396405 2017] [core:notice] [pid 7336:tid 372] AH00094: Command line: 'C:\\xampp\\apache\\bin\\httpd.exe -d C:/xampp/apache'
[Wed Apr 26 22:38:50.399408 2017] [mpm_winnt:notice] [pid 7336:tid 372] AH00418: Parent: Created child process 3180
[Wed Apr 26 22:38:50.704640 2017] [ssl:warn] [pid 3180:tid 388] AH01909: www.example.com:443:0 server certificate does NOT include an ID which matches the server name
[Wed Apr 26 22:38:50.780687 2017] [ssl:warn] [pid 3180:tid 388] AH01909: www.example.com:443:0 server certificate does NOT include an ID which matches the server name
[Wed Apr 26 22:38:50.807706 2017] [mpm_winnt:notice] [pid 3180:tid 388] AH00354: Child: Starting 150 worker threads.
[Wed Apr 26 22:40:53.223291 2017] [ssl:warn] [pid 8184:tid 376] AH01909: www.example.com:443:0 server certificate does NOT include an ID which matches the server name
[Wed Apr 26 22:40:53.306053 2017] [ssl:warn] [pid 8184:tid 376] AH01909: www.example.com:443:0 server certificate does NOT include an ID which matches the server name
[Wed Apr 26 22:40:53.330070 2017] [mpm_winnt:notice] [pid 8184:tid 376] AH00455: Apache/2.4.25 (Win32) OpenSSL/1.0.2j PHP/5.6.30 configured -- resuming normal operations
[Wed Apr 26 22:40:53.330070 2017] [mpm_winnt:notice] [pid 8184:tid 376] AH00456: Apache Lounge VC11 Server built: Dec 20 2016 13:02:04
[Wed Apr 26 22:40:53.330070 2017] [core:notice] [pid 8184:tid 376] AH00094: Command line: 'c:\\xampp\\apache\\bin\\httpd.exe -d C:/xampp/apache'
[Wed Apr 26 22:40:53.331061 2017] [mpm_winnt:notice] [pid 8184:tid 376] AH00418: Parent: Created child process 8144
[Wed Apr 26 22:40:53.609260 2017] [ssl:warn] [pid 8144:tid 384] AH01909: www.example.com:443:0 server certificate does NOT include an ID which matches the server name
[Wed Apr 26 22:40:53.686314 2017] [ssl:warn] [pid 8144:tid 384] AH01909: www.example.com:443:0 server certificate does NOT include an ID which matches the server name
[Wed Apr 26 22:40:53.710330 2017] [mpm_winnt:notice] [pid 8144:tid 384] AH00354: Child: Starting 150 worker threads.
[Thu Apr 27 04:52:11.863334 2017] [ssl:warn] [pid 4132:tid 384] AH01909: www.example.com:443:0 server certificate does NOT include an ID which matches the server name
[Thu Apr 27 04:52:11.893344 2017] [core:warn] [pid 4132:tid 384] AH00098: pid file C:/xampp/apache/logs/httpd.pid overwritten -- Unclean shutdown of previous Apache run?
PHP:  syntax error, unexpected '(' in C:\xampp\php\php.ini on line 2081
Failed loading C:\xampp\php\ext\<full_path_to_xdebug_extension>
 which matches the server name
[Thu Apr 27 04:52:11.968344 2017] [mpm_winnt:notice] [pid 4132:tid 384] AH00455: Apache/2.4.25 (Win32) OpenSSL/1.0.2j PHP/5.6.30 configured -- resuming normal operations
[Thu Apr 27 04:52:11.968344 2017] [mpm_winnt:notice] [pid 4132:tid 384] AH00456: Apache Lounge VC11 Server built: Dec 20 2016 13:02:04
[Thu Apr 27 04:52:11.968344 2017] [core:notice] [pid 4132:tid 384] AH00094: Command line: 'c:\\xampp\\apache\\bin\\httpd.exe -d C:/xampp/apache'
[Thu Apr 27 04:52:11.968344 2017] [mpm_winnt:notice] [pid 4132:tid 384] AH00418: Parent: Created child process 6208
[Thu Apr 27 04:52:12.253411 2017] [ssl:warn] [pid 6208:tid 384] AH01909: www.example.com:443:0 server certificate does NOT include an ID which matches the server name
PHP:  syntax error, unexpected '(' in C:\xampp\php\php.ini on line 2081
Failed loading C:\xampp\php\ext\<full_path_to_xdebug_extension>
 which matches the server name
[Thu Apr 27 04:52:12.348430 2017] [mpm_winnt:notice] [pid 6208:tid 384] AH00354: Child: Starting 150 worker threads.
[Thu Apr 27 04:57:03.426544 2017] [ssl:warn] [pid 8588:tid 388] AH01909: www.example.com:443:0 server certificate does NOT include an ID which matches the server name
[Thu Apr 27 04:57:03.461556 2017] [core:warn] [pid 8588:tid 388] AH00098: pid file C:/xampp/apache/logs/httpd.pid overwritten -- Unclean shutdown of previous Apache run?
PHP:  syntax error, unexpected '(' in C:\xampp\php\php.ini on line 2081
Failed loading C:\xampp\php\ext\<path to php_xdebug.dll>
e an ID which matches the server name
[Thu Apr 27 04:57:03.531555 2017] [mpm_winnt:notice] [pid 8588:tid 388] AH00455: Apache/2.4.25 (Win32) OpenSSL/1.0.2j PHP/5.6.30 configured -- resuming normal operations
[Thu Apr 27 04:57:03.531555 2017] [mpm_winnt:notice] [pid 8588:tid 388] AH00456: Apache Lounge VC11 Server built: Dec 20 2016 13:02:04
[Thu Apr 27 04:57:03.531555 2017] [core:notice] [pid 8588:tid 388] AH00094: Command line: 'c:\\xampp\\apache\\bin\\httpd.exe -d C:/xampp/apache'
[Thu Apr 27 04:57:03.531555 2017] [mpm_winnt:notice] [pid 8588:tid 388] AH00418: Parent: Created child process 6244
[Thu Apr 27 04:57:03.811620 2017] [ssl:warn] [pid 6244:tid 384] AH01909: www.example.com:443:0 server certificate does NOT include an ID which matches the server name
PHP:  syntax error, unexpected '(' in C:\xampp\php\php.ini on line 2081
Failed loading C:\xampp\php\ext\<path to php_xdebug.dll>
e an ID which matches the server name
[Thu Apr 27 04:57:03.906629 2017] [mpm_winnt:notice] [pid 6244:tid 384] AH00354: Child: Starting 150 worker threads.
[Thu Apr 27 05:42:33.727586 2017] [ssl:warn] [pid 9116:tid 388] AH01909: www.example.com:443:0 server certificate does NOT include an ID which matches the server name
[Thu Apr 27 05:42:33.765613 2017] [core:warn] [pid 9116:tid 388] AH00098: pid file C:/xampp/apache/logs/httpd.pid overwritten -- Unclean shutdown of previous Apache run?
[Thu Apr 27 05:42:33.822644 2017] [ssl:warn] [pid 9116:tid 388] AH01909: www.example.com:443:0 server certificate does NOT include an ID which matches the server name
[Thu Apr 27 05:42:34.025798 2017] [mpm_winnt:notice] [pid 9116:tid 388] AH00455: Apache/2.4.25 (Win32) OpenSSL/1.0.2j PHP/5.6.30 configured -- resuming normal operations
[Thu Apr 27 05:42:34.025798 2017] [mpm_winnt:notice] [pid 9116:tid 388] AH00456: Apache Lounge VC11 Server built: Dec 20 2016 13:02:04
[Thu Apr 27 05:42:34.025798 2017] [core:notice] [pid 9116:tid 388] AH00094: Command line: 'c:\\xampp\\apache\\bin\\httpd.exe -d C:/xampp/apache'
[Thu Apr 27 05:42:34.026799 2017] [mpm_winnt:notice] [pid 9116:tid 388] AH00418: Parent: Created child process 1264
[Thu Apr 27 05:42:34.326011 2017] [ssl:warn] [pid 1264:tid 392] AH01909: www.example.com:443:0 server certificate does NOT include an ID which matches the server name
[Thu Apr 27 05:42:34.403066 2017] [ssl:warn] [pid 1264:tid 392] AH01909: www.example.com:443:0 server certificate does NOT include an ID which matches the server name
[Thu Apr 27 05:42:34.428074 2017] [mpm_winnt:notice] [pid 1264:tid 392] AH00354: Child: Starting 150 worker threads.
[Thu Apr 27 06:13:29.725951 2017] [ssl:warn] [pid 7500:tid 384] AH01909: www.example.com:443:0 server certificate does NOT include an ID which matches the server name
[Thu Apr 27 06:13:29.770960 2017] [core:warn] [pid 7500:tid 384] AH00098: pid file C:/xampp/apache/logs/httpd.pid overwritten -- Unclean shutdown of previous Apache run?
[Thu Apr 27 06:13:29.825971 2017] [ssl:warn] [pid 7500:tid 384] AH01909: www.example.com:443:0 server certificate does NOT include an ID which matches the server name
[Thu Apr 27 06:13:29.845975 2017] [mpm_winnt:notice] [pid 7500:tid 384] AH00455: Apache/2.4.25 (Win32) OpenSSL/1.0.2j PHP/5.6.30 configured -- resuming normal operations
[Thu Apr 27 06:13:29.845975 2017] [mpm_winnt:notice] [pid 7500:tid 384] AH00456: Apache Lounge VC11 Server built: Dec 20 2016 13:02:04
[Thu Apr 27 06:13:29.845975 2017] [core:notice] [pid 7500:tid 384] AH00094: Command line: 'c:\\xampp\\apache\\bin\\httpd.exe -d C:/xampp/apache'
[Thu Apr 27 06:13:29.845975 2017] [mpm_winnt:notice] [pid 7500:tid 384] AH00418: Parent: Created child process 1292
[Thu Apr 27 06:13:30.166066 2017] [ssl:warn] [pid 1292:tid 400] AH01909: www.example.com:443:0 server certificate does NOT include an ID which matches the server name
[Thu Apr 27 06:13:30.241063 2017] [ssl:warn] [pid 1292:tid 400] AH01909: www.example.com:443:0 server certificate does NOT include an ID which matches the server name
[Thu Apr 27 06:13:30.266068 2017] [mpm_winnt:notice] [pid 1292:tid 400] AH00354: Child: Starting 150 worker threads.