docs: update coding style with php-cs-fixer

Author: kenjis

user_guide_src/source/cli/cli_commands/006.php

@@ -2,6 +2,6 @@
 
 try {
     // ...
-} catch (Exception $e) {
+} catch (\Exception $e) {
     $this->showError($e);
 }

user_guide_src/source/cli/cli_library/002.php

@@ -1,3 +1,3 @@
 <?php
 
-$color = CLI::prompt('What is your favorite color?');
+$color = \CLI::prompt('What is your favorite color?');

user_guide_src/source/cli/cli_library/003.php

@@ -1,3 +1,3 @@
 <?php
 
-$color = CLI::prompt('What is your favorite color?', 'blue');
+$color = \CLI::prompt('What is your favorite color?', 'blue');

user_guide_src/source/cli/cli_library/004.php

@@ -1,3 +1,3 @@
 <?php
 
-$overwrite = CLI::prompt('File exists. Overwrite?', ['y', 'n']);
+$overwrite = \CLI::prompt('File exists. Overwrite?', ['y', 'n']);

user_guide_src/source/cli/cli_library/005.php

@@ -1,3 +1,3 @@
 <?php
 
-$email = CLI::prompt('What is your email?', null, 'required|valid_email');
+$email = \CLI::prompt('What is your email?', null, 'required|valid_email');

user_guide_src/source/cli/cli_library/006.php

@@ -1,3 +1,3 @@
 <?php
 
-$email = CLI::prompt('What is your email?', null, ['required', 'valid_email']);
+$email = \CLI::prompt('What is your email?', null, ['required', 'valid_email']);

user_guide_src/source/cli/cli_library/007.php

@@ -1,6 +1,6 @@
 <?php
 
-$fruit = CLI::promptByKey('These are your choices:', ['The red apple', 'The plump orange', 'The ripe banana']);
+$fruit = \CLI::promptByKey('These are your choices:', ['The red apple', 'The plump orange', 'The ripe banana']);
 /*
  * These are your choices:
  *   [0]  The red apple

user_guide_src/source/cli/cli_library/008.php

@@ -1,6 +1,6 @@
 <?php
 
-$fruit = CLI::promptByKey(['These are your choices:', 'Which would you like?'], [
+$fruit = \CLI::promptByKey(['These are your choices:', 'Which would you like?'], [
     'apple'  => 'The red apple',
     'orange' => 'The plump orange',
     'banana' => 'The ripe banana',

user_guide_src/source/cli/cli_library/009.php

@@ -1,3 +1,3 @@
 <?php
 
-CLI::write('The rain in Spain falls mainly on the plains.');
+\CLI::write('The rain in Spain falls mainly on the plains.');

user_guide_src/source/cli/cli_library/010.php

@@ -1,3 +1,3 @@
 <?php
 
-CLI::write('File created.', 'green');
+\CLI::write('File created.', 'green');