Update documentation code samples (#5039)

env

@@ -26,7 +26,7 @@
 # app.sessionDriver = 'CodeIgniter\Session\Handlers\FileHandler'
 # app.sessionCookieName = 'ci_session'
 # app.sessionExpiration = 7200
-# app.sessionSavePath = NULL
+# app.sessionSavePath = null
 # app.sessionMatchIP = false
 # app.sessionTimeToUpdate = 300
 # app.sessionRegenerateDestroy = false

user_guide_src/source/cli/cli_commands.rst

@@ -187,12 +187,9 @@ be familiar with when creating your own commands. It also has a :doc:`Logger </g
 
         A convenience method to maintain a consistent and clear error output to the CLI::
 
-            try
-            {
+            try {
                 . . .
-            }
-            catch (\Exception $e)
-            {
+            } catch (\Exception $e) {
                 $this->showError($e);
             }
 
@@ -208,8 +205,8 @@ be familiar with when creating your own commands. It also has a :doc:`Logger </g
         A method to calculate padding for $key => $value array output. The padding can be used to output a will formatted table in CLI::
 
             $pad = $this->getPad($this->options, 6);
-            foreach ($this->options as $option => $description)
-            {
+
+            foreach ($this->options as $option => $description) {
                 CLI::write($tab . CLI::color(str_pad($option, $pad), 'green') . $description, 'yellow');
             }
 

user_guide_src/source/cli/cli_library.rst

@@ -119,8 +119,7 @@ Instead it prints it to the screen wherever the cursor is currently. This allows
 the same line, from different calls. This is especially helpful when you want to show a status, do something, then
 print "Done" on the same line::
 
-    for ($i = 0; $i <= 10; $i++)
-    {
+    for ($i = 0; $i <= 10; $i++) {
         CLI::print($i);
     }
 
@@ -172,8 +171,7 @@ every line after the first line, so that you will have a crisp column edge on th
     // to determine the width of the left column
     $maxlen = max(array_map('strlen', $titles));
 
-    for ($i=0; $i < count($titles); $i++)
-    {
+    for ($i = 0; $i < count($titles); $i++) {
         CLI::write(
             // Display the title on the left of the row
             $titles[$i] . '   ' .
@@ -227,8 +225,7 @@ pass ``false`` as the first parameter and the progress bar will be removed.
     $totalSteps = count($tasks);
     $currStep   = 1;
 
-    foreach ($tasks as $task)
-    {
+    foreach ($tasks as $task) {
         CLI::showProgress($currStep++, $totalSteps);
         $task->run();
     }

user_guide_src/source/cli/cli_request.rst

@@ -37,7 +37,7 @@ Returns the value of a specific command line argument deemed to be an option::
 
     // command line: php index.php users 21 profile --foo bar
     echo $request->getOption('foo');  // bar
-    echo $request->getOption('notthere'); // NULL
+    echo $request->getOption('notthere'); // null
 
 **getOptionString()**
 

user_guide_src/source/database/configuration.rst

@@ -22,14 +22,14 @@ prototype::
         'database' => 'database_name',
         'DBDriver' => 'MySQLi',
         'DBPrefix' => '',
-        'pConnect' => TRUE,
-        'DBDebug'  => TRUE,
+        'pConnect' => true,
+        'DBDebug'  => true,
         'charset'  => 'utf8',
         'DBCollat' => 'utf8_general_ci',
         'swapPre'  => '',
-        'encrypt'  => FALSE,
-        'compress' => FALSE,
-        'strictOn' => FALSE,
+        'encrypt'  => false,
+        'compress' => false,
+        'strictOn' => false,
         'failover' => [],
     ];
 
@@ -80,14 +80,14 @@ These failovers can be specified by setting the failover for a connection like t
             'database' => '',
             'DBDriver' => 'MySQLi',
             'DBPrefix' => '',
-            'pConnect' => TRUE,
-            'DBDebug'  => TRUE,
+            'pConnect' => true,
+            'DBDebug'  => true,
             'charset'  => 'utf8',
             'DBCollat' => 'utf8_general_ci',
             'swapPre'  => '',
-            'encrypt'  => FALSE,
-            'compress' => FALSE,
-            'strictOn' => FALSE
+            'encrypt'  => false,
+            'compress' => false,
+            'strictOn' => false,
         ],
         [
             'hostname' => 'localhost2',
@@ -96,14 +96,14 @@ These failovers can be specified by setting the failover for a connection like t
             'database' => '',
             'DBDriver' => 'MySQLi',
             'DBPrefix' => '',
-            'pConnect' => TRUE,
-            'DBDebug'  => TRUE,
+            'pConnect' => true,
+            'DBDebug'  => true,
             'charset'  => 'utf8',
             'DBCollat' => 'utf8_general_ci',
             'swapPre'  => '',
-            'encrypt'  => FALSE,
-            'compress' => FALSE,
-            'strictOn' => FALSE
+            'encrypt'  => false,
+            'compress' => false,
+            'strictOn' => false,
         ]
     ];
 
@@ -123,14 +123,14 @@ example, to set up a "test" environment you would do this::
         'database' => 'database_name',
         'DBDriver' => 'MySQLi',
         'DBPrefix' => '',
-        'pConnect' => TRUE,
-        'DBDebug'  => TRUE,
+        'pConnect' => true,
+        'DBDebug'  => true,
         'charset'  => 'utf8',
         'DBCollat' => 'utf8_general_ci',
         'swapPre'  => '',
-        'compress' => FALSE,
-        'encrypt'  => FALSE,
-        'strictOn' => FALSE,
+        'compress' => false,
+        'encrypt'  => false,
+        'strictOn' => false,
         'failover' => []
     );
 
@@ -188,8 +188,8 @@ Explanation of Values:
 **DBPrefix**    An optional table prefix which will added to the table name when running
                 :doc:`Query Builder <query_builder>` queries. This permits multiple CodeIgniter
                 installations to share one database.
-**pConnect**    TRUE/FALSE (boolean) - Whether to use a persistent connection.
-**DBDebug**     TRUE/FALSE (boolean) - Whether database errors should be displayed.
+**pConnect**    true/false (boolean) - Whether to use a persistent connection.
+**DBDebug**     true/false (boolean) - Whether database errors should be displayed.
 **charset**     The character set used in communicating with the database.
 **DBCollat**    The character collation used in communicating with the database
 
@@ -201,18 +201,18 @@ Explanation of Values:
 **schema**      The database schema, default value varies by driver. Used by PostgreSQL and SQLSRV drivers.
 **encrypt**     Whether or not to use an encrypted connection.
 
-                - 'sqlsrv' and 'pdo/sqlsrv' drivers accept TRUE/FALSE
+                - 'sqlsrv' and 'pdo/sqlsrv' drivers accept true/false
                 - 'MySQLi' and 'pdo/mysql' drivers accept an array with the following options:
 
                     - 'ssl_key'    - Path to the private key file
                     - 'ssl_cert'   - Path to the public key certificate file
                     - 'ssl_ca'     - Path to the certificate authority file
                     - 'ssl_capath' - Path to a directory containing trusted CA certificates in PEM format
                     - 'ssl_cipher' - List of *allowed* ciphers to be used for the encryption, separated by colons (':')
-                    - 'ssl_verify' - TRUE/FALSE; Whether to verify the server certificate or not ('MySQLi' only)
+                    - 'ssl_verify' - true/false; Whether to verify the server certificate or not ('MySQLi' only)
 
 **compress**    Whether or not to use client compression (MySQL only).
-**strictOn**    TRUE/FALSE (boolean) - Whether to force "Strict Mode" connections, good for ensuring strict SQL
+**strictOn**    true/false (boolean) - Whether to force "Strict Mode" connections, good for ensuring strict SQL
                 while developing an application.
 **port**        The database port number. To use this value you have to add a line to the database config array.
                 ::

user_guide_src/source/database/connecting.rst

@@ -27,7 +27,7 @@ Available Parameters
 --------------------
 
 #. The database group name, a string that must match the config class' property name. Default value is ``$config->defaultGroup``.
-#. TRUE/FALSE (boolean). Whether to return the shared connection (see
+#. true/false (boolean). Whether to return the shared connection (see
    Connecting to Multiple Databases below).
 
 Manually Connecting to a Database

user_guide_src/source/database/examples.rst

@@ -28,11 +28,10 @@ Standard Query With Multiple Results (Object Version)
 
 ::
 
-    $query = $db->query('SELECT name, title, email FROM my_table');
+    $query   = $db->query('SELECT name, title, email FROM my_table');
     $results = $query->getResult();
 
-    foreach ($results as $row)
-    {
+    foreach ($results as $row) {
         echo $row->title;
         echo $row->name;
         echo $row->email;
@@ -51,8 +50,7 @@ Standard Query With Multiple Results (Array Version)
     $query   = $db->query('SELECT name, title, email FROM my_table');
     $results = $query->getResultArray();
 
-    foreach ($results as $row)
-    {
+    foreach ($results as $row) {
         echo $row['title'];
         echo $row['name'];
         echo $row['email'];
@@ -102,8 +100,7 @@ means of retrieving data::
 
     $query = $db->table('table_name')->get();
 
-    foreach ($query->getResult() as $row)
-    {
+    foreach ($query->getResult() as $row) {
         echo $row->title;
     }
 
@@ -124,4 +121,3 @@ Query Builder Insert
 
     $db->table('mytable')->insert($data);
     // Produces: INSERT INTO mytable (title, name, date) VALUES ('{$title}', '{$name}', '{$date}')
-

user_guide_src/source/database/metadata.rst

@@ -22,8 +22,7 @@ you are currently connected to. Example::
 
     $tables = $db->listTables();
 
-    foreach ($tables as $table)
-    {
+    foreach ($tables as $table) {
         echo $table;
     }
 
@@ -35,10 +34,9 @@ Determine If a Table Exists
 **$db->tableExists();**
 
 Sometimes it's helpful to know whether a particular table exists before
-running an operation on it. Returns a boolean TRUE/FALSE. Usage example::
+running an operation on it. Returns a boolean true/false. Usage example::
 
-    if ($db->tableExists('table_name'))
-    {
+    if ($db->tableExists('table_name')) {
         // some code...
     }
 
@@ -60,8 +58,7 @@ two ways:
 
     $fields = $db->getFieldNames('table_name');
 
-    foreach ($fields as $field)
-    {
+    foreach ($fields as $field) {
         echo $field;
     }
 
@@ -70,8 +67,7 @@ calling the function from your query result object::
 
     $query = $db->query('SELECT * FROM some_table');
 
-    foreach ($query->getFieldNames() as $field)
-    {
+    foreach ($query->getFieldNames() as $field) {
         echo $field;
     }
 
@@ -81,10 +77,9 @@ Determine If a Field is Present in a Table
 **$db->fieldExists()**
 
 Sometimes it's helpful to know whether a particular field exists before
-performing an action. Returns a boolean TRUE/FALSE. Usage example::
+performing an action. Returns a boolean true/false. Usage example::
 
-    if ($db->fieldExists('field_name', 'table_name'))
-    {
+    if ($db->fieldExists('field_name', 'table_name')) {
         // some code...
     }
 
@@ -108,8 +103,7 @@ Usage example::
 
     $fields = $db->getFieldData('table_name');
 
-    foreach ($fields as $field)
-    {
+    foreach ($fields as $field) {
         echo $field->name;
         echo $field->type;
         echo $field->max_length;
@@ -141,11 +135,10 @@ Usage example::
 
     $keys = $db->getIndexData('table_name');
 
-    foreach ($keys as $key)
-    {
-    echo $key->name;
-    echo $key->type;
-    echo $key->fields; // array of field names
+    foreach ($keys as $key) {
+        echo $key->name;
+        echo $key->type;
+        echo $key->fields; // array of field names
     }
 
 The key types may be unique to the database you are using.
@@ -160,8 +153,7 @@ Usage example::
 
     $keys = $db->getForeignKeyData('table_name');
 
-    foreach ($keys as $key)
-    {
+    foreach ($keys as $key) {
         echo $key->constraint_name;
         echo $key->table_name;
         echo $key->column_name;