converting $foo == null / $foo == false to !$foo

lib/Cake/Console/Command/AclShell.php

@@ -598,7 +598,7 @@ class AclShell extends AppShell {
  * @return array Variables
  */
 	protected function _dataVars($type = null) {
-		if ($type == null) {
+		if (!$type) {
 			$type = $this->args[0];
 		}
 		$vars = array();

lib/Cake/Console/Command/Task/DbConfigTask.php

@@ -92,7 +92,7 @@ class DbConfigTask extends AppShell {
 		$done = false;
 		$dbConfigs = array();
 
-		while ($done == false) {
+		while (!$done) {
 			$name = '';
 
 			while ($name == '') {
@@ -136,7 +136,7 @@ class DbConfigTask extends AppShell {
 			$password = '';
 			$blankPassword = false;
 
-			while ($password == '' && $blankPassword == false) {
+			while ($password == '' && !$blankPassword) {
 				$password = $this->in(__d('cake_console', 'Password:'));
 
 				if ($password == '') {
@@ -180,7 +180,7 @@ class DbConfigTask extends AppShell {
 
 			$config = compact('name', 'datasource', 'persistent', 'host', 'login', 'password', 'database', 'prefix', 'encoding', 'port', 'schema');
 
-			while ($this->_verify($config) == false) {
+			while (!$this->_verify($config)) {
 				$this->_interactive();
 			}
 

lib/Cake/Console/Command/Task/ModelTask.php

@@ -780,7 +780,7 @@ class ModelTask extends BakeTask {
  */
 	public function bake($name, $data = array()) {
 		if (is_object($name)) {
-			if ($data == false) {
+			if (!$data) {
 				$data = array();
 				$data['associations'] = $this->doAssociations($name);
 				$data['validate'] = $this->doValidation($name);

lib/Cake/Console/Command/Task/ProjectTask.php

@@ -66,7 +66,7 @@ class ProjectTask extends AppShell {
 		}
 
 		$response = false;
-		while ($response == false && is_dir($project) === true && file_exists($project . 'Config' . 'core.php')) {
+		while (!$response && is_dir($project) === true && file_exists($project . 'Config' . 'core.php')) {
 			$prompt = __d('cake_console', '<warning>A project already exists in this location:</warning> %s Overwrite?', $project);
 			$response = $this->in($prompt, array('y', 'n'), 'n');
 			if (strtolower($response) === 'n') {

lib/Cake/Console/Command/Task/TemplateTask.php

@@ -123,7 +123,7 @@ class TemplateTask extends AppShell {
 			$data = array($one => $two);
 		}
 
-		if ($data == null) {
+		if (!$data) {
 			return false;
 		}
 		$this->templateVars = $data + $this->templateVars;

lib/Cake/Console/Shell.php

@@ -154,7 +154,7 @@ class Shell extends Object {
  * @link http://book.cakephp.org/2.0/en/console-and-shells.html#Shell
  */
 	public function __construct($stdout = null, $stderr = null, $stdin = null) {
-		if ($this->name == null) {
+		if (!$this->name) {
 			$this->name = Inflector::camelize(str_replace(array('Shell', 'Task'), '', get_class($this)));
 		}
 		$this->Tasks = new TaskCollection($this);
@@ -162,13 +162,13 @@ class Shell extends Object {
 		$this->stdout = $stdout;
 		$this->stderr = $stderr;
 		$this->stdin = $stdin;
-		if ($this->stdout == null) {
+		if (!$this->stdout) {
 			$this->stdout = new ConsoleOutput('php://stdout');
 		}
-		if ($this->stderr == null) {
+		if (!$this->stderr) {
 			$this->stderr = new ConsoleOutput('php://stderr');
 		}
-		if ($this->stdin == null) {
+		if (!$this->stdin) {
 			$this->stdin = new ConsoleInput('php://stdin');
 		}
 		$this->_useLogger();

lib/Cake/Controller/Component/Acl/IniAcl.php

@@ -91,7 +91,7 @@ class IniAcl extends Object implements AclInterface {
  * @return boolean Success
  */
 	public function check($aro, $aco, $action = null) {
-		if ($this->config == null) {
+		if (!$this->config) {
 			$this->config = $this->readConfigFile(APP . 'Config' . DS . 'acl.ini.php');
 		}
 		$aclConfig = $this->config;

lib/Cake/Controller/Component/SecurityComponent.php

@@ -308,7 +308,7 @@ class SecurityComponent extends Component {
  * @throws BadRequestException
  */
 	public function blackHole(Controller $controller, $error = '') {
-		if ($this->blackHoleCallback == null) {
+		if (!$this->blackHoleCallback) {
 			throw new BadRequestException(__d('cake_dev', 'The request has been black-holed'));
 		}
 		return $this->_callback($controller, $this->blackHoleCallback, array($error));

lib/Cake/Controller/Controller.php

@@ -319,7 +319,7 @@ class Controller extends Object implements CakeEventListener {
 			$this->name = substr(get_class($this), 0, -10);
 		}
 
-		if ($this->viewPath == null) {
+		if (!$this->viewPath) {
 			$this->viewPath = $this->name;
 		}
 

lib/Cake/Core/App.php

@@ -607,7 +607,7 @@ class App {
 			extract($parent, EXTR_OVERWRITE);
 		}
 
-		if ($name == null && $file == null) {
+		if (!$name && !$file) {
 			return false;
 		}
 

lib/Cake/Model/Behavior/TranslateBehavior.php

@@ -328,7 +328,7 @@ class TranslateBehavior extends ModelBehavior {
  * @return boolean true.
  */
 	public function beforeSave(Model $Model, $options = array()) {
-		if (isset($options['validate']) && $options['validate'] == false) {
+		if (isset($options['validate']) && !$options['validate']) {
 			unset($this->runtime[$Model->alias]['beforeSave']);
 		}
 		if (isset($this->runtime[$Model->alias]['beforeSave'])) {

lib/Cake/Model/Behavior/TreeBehavior.php

@@ -355,17 +355,16 @@ class TreeBehavior extends ModelBehavior {
 			$recursive = $overrideRecursive;
 		}
 
-		if ($keyPath == null && $valuePath == null && $Model->hasField($Model->displayField)) {
-			$fields = array($Model->primaryKey, $Model->displayField, $left, $right);
-		} else {
 		$fields = null;
+		if (!$keyPath && !$valuePath && $Model->hasField($Model->displayField)) {
+			$fields = array($Model->primaryKey, $Model->displayField, $left, $right);
 		}
 
-		if ($keyPath == null) {
+		if (!$keyPath) {
 			$keyPath = '{n}.' . $Model->alias . '.' . $Model->primaryKey;
 		}
 
-		if ($valuePath == null) {
+		if (!$valuePath) {
 			$valuePath = array('%s%s', '{n}.tree_prefix', '{n}.' . $Model->alias . '.' . $Model->displayField);
 
 		} elseif (is_string($valuePath)) {
@@ -645,9 +644,8 @@ class TreeBehavior extends ModelBehavior {
 			$db = ConnectionManager::getDataSource($Model->useDbConfig);
 			foreach ($Model->find('all', array('conditions' => $scope, 'fields' => array($Model->primaryKey, $parent), 'order' => $left)) as $array) {
 				$path = $this->getPath($Model, $array[$Model->alias][$Model->primaryKey]);
-				if ($path == null || count($path) < 2) {
 				$parentId = null;
-				} else {
+				if (count($path) > 1) {
 					$parentId = $path[count($path) - 2][$Model->alias][$Model->primaryKey];
 				}
 				$Model->updateAll(array($parent => $db->value($parentId, $parent)), array($Model->escapeField() => $array[$Model->alias][$Model->primaryKey]));

lib/Cake/Model/Datasource/CakeSession.php

@@ -248,7 +248,7 @@ class CakeSession {
 	public static function delete($name) {
 		if (self::check($name)) {
 			self::_overwrite($_SESSION, Hash::remove($_SESSION, $name));
-			return (self::check($name) == false);
+			return !self::check($name);
 		}
 		self::_setError(2, __d('cake_dev', "%s doesn't exist", $name));
 		return false;

lib/Cake/Model/Datasource/Database/Mysql.php

@@ -332,7 +332,7 @@ class Mysql extends DboSource {
 			return parent::update($model, $fields, $values, $conditions);
 		}
 
-		if ($values == null) {
+		if (!$values) {
 			$combined = $fields;
 		} else {
 			$combined = array_combine($fields, $values);

lib/Cake/Model/Datasource/DboSource.php

@@ -983,7 +983,7 @@ class DboSource extends DataSource {
 	public function create(Model $model, $fields = null, $values = null) {
 		$id = null;
 
-		if ($fields == null) {
+		if (!$fields) {
 			unset($fields, $values);
 			$fields = array_keys($model->data);
 			$values = array_values($model->data);
@@ -1820,7 +1820,7 @@ class DboSource extends DataSource {
  * @return boolean Success
  */
 	public function update(Model $model, $fields = array(), $values = null, $conditions = null) {
-		if ($values == null) {
+		if (!$values) {
 			$combined = $fields;
 		} else {
 			$combined = array_combine($fields, $values);

lib/Cake/Model/Model.php

@@ -716,7 +716,7 @@ class Model extends Object implements CakeEventListener {
 				$this->useTable = Inflector::tableize($this->name);
 			}
 
-			if ($this->displayField == null) {
+			if (!$this->displayField) {
 				unset($this->displayField);
 			}
 			$this->table = $this->useTable;
@@ -1443,7 +1443,7 @@ class Model extends Object implements CakeEventListener {
  *    or false if none $field exist.
  */
 	public function getVirtualField($field = null) {
-		if ($field == null) {
+		if (!$field) {
 			return empty($this->virtualFields) ? false : $this->virtualFields;
 		}
 		if ($this->isVirtualField($field)) {
@@ -3197,7 +3197,7 @@ class Model extends Object implements CakeEventListener {
  * @return array Associations
  */
 	public function getAssociated($type = null) {
-		if ($type == null) {
+		if (!$type) {
 			$associated = array();
 			foreach ($this->_associations as $assoc) {
 				if (!empty($this->{$assoc})) {

lib/Cake/Model/Permission.php

@@ -81,7 +81,7 @@ class Permission extends AppModel {
  * @return boolean Success (true if ARO has access to action in ACO, false otherwise)
  */
 	public function check($aro, $aco, $action = "*") {
-		if ($aro == null || $aco == null) {
+		if (!$aro || !$aco) {
 			return false;
 		}
 
@@ -89,12 +89,12 @@ class Permission extends AppModel {
 		$aroPath = $this->Aro->node($aro);
 		$acoPath = $this->Aco->node($aco);
 
-		if (empty($aroPath) || empty($acoPath)) {
+		if (!$aroPath || !$acoPath) {
 			trigger_error(__d('cake_dev', "DbAcl::check() - Failed ARO/ACO node lookup in permissions check.  Node references:\nAro: ") . print_r($aro, true) . "\nAco: " . print_r($aco, true), E_USER_WARNING);
 			return false;
 		}
 
-		if ($acoPath == null || $acoPath == array()) {
+		if (!$acoPath) {
 			trigger_error(__d('cake_dev', "DbAcl::check() - Failed ACO node lookup in permissions check.  Node references:\nAro: ") . print_r($aro, true) . "\nAco: " . print_r($aco, true), E_USER_WARNING);
 			return false;
 		}
@@ -171,7 +171,7 @@ class Permission extends AppModel {
 		$permKeys = $this->getAcoKeys($this->schema());
 		$save = array();
 
-		if ($perms == false) {
+		if (!$perms) {
 			trigger_error(__d('cake_dev', 'DbAcl::allow() - Invalid node'), E_USER_WARNING);
 			return false;
 		}

lib/Cake/Network/CakeResponse.php

@@ -789,7 +789,7 @@ class CakeResponse {
 			unset($this->_cacheDirectives['public']);
 			$this->maxAge($time);
 		}
-		if ($time == null) {
+		if (!$time) {
 			$this->_setCacheControl();
 		}
 		return (bool)$public;

lib/Cake/Network/Http/HttpResponse.php

@@ -361,7 +361,7 @@ class HttpResponse implements ArrayAccess {
 			$escape[] = chr(127);
 		}
 
-		if ($hex == false) {
+		if (!$hex) {
 			return $escape;
 		}
 		foreach ($escape as $key => $char) {

lib/Cake/Network/Http/HttpSocket.php

@@ -944,7 +944,7 @@ class HttpSocket extends CakeSocket {
 			$escape[] = chr(127);
 		}
 
-		if ($hex == false) {
+		if (!$hex) {
 			return $escape;
 		}
 		foreach ($escape as $key => $char) {

lib/Cake/TestSuite/Fixture/CakeFixtureManager.php

@@ -200,7 +200,7 @@ class CakeFixtureManager {
 			return;
 		}
 		$fixtures = $test->fixtures;
-		if (empty($fixtures) || $test->autoFixtures == false) {
+		if (empty($fixtures) || !$test->autoFixtures) {
 			return;
 		}
 

lib/Cake/Utility/File.php

@@ -302,7 +302,7 @@ class File {
  * @link http://book.cakephp.org/2.0/en/core-utility-libraries/file-folder.html#File::info
  */
 	public function info() {
-		if ($this->info == null) {
+		if (!$this->info) {
 			$this->info = pathinfo($this->path);
 		}
 		if (!isset($this->info['filename'])) {
@@ -324,7 +324,7 @@ class File {
  * @link http://book.cakephp.org/2.0/en/core-utility-libraries/file-folder.html#File::ext
  */
 	public function ext() {
-		if ($this->info == null) {
+		if (!$this->info) {
 			$this->info();
 		}
 		if (isset($this->info['extension'])) {
@@ -340,7 +340,7 @@ class File {
  * @link http://book.cakephp.org/2.0/en/core-utility-libraries/file-folder.html#File::name
  */
 	public function name() {
-		if ($this->info == null) {
+		if (!$this->info) {
 			$this->info();
 		}
 		if (isset($this->info['extension'])) {

lib/Cake/Utility/Folder.php

@@ -425,7 +425,7 @@ class Folder {
  * @link http://book.cakephp.org/2.0/en/core-utility-libraries/file-folder.html#Folder::tree
  */
 	public function tree($path = null, $exceptions = false, $type = null) {
-		if ($path == null) {
+		if (!$path) {
 			$path = $this->path;
 		}
 		$files = array();

lib/Cake/Utility/Security.php

@@ -108,7 +108,7 @@ class Security {
 			}
 		}
 
-		if ($type == 'sha1' || $type == null) {
+		if (!$type || $type == 'sha1') {
 			if (function_exists('sha1')) {
 				$return = sha1($string);
 				return $return;

lib/Cake/View/Helper.php

@@ -500,7 +500,7 @@ class Helper extends Object {
 
 		// Either 'body' or 'date.month' type inputs.
 		if (
-			($count === 1 && $this->_modelScope && $setScope == false) ||
+			($count === 1 && $this->_modelScope && !$setScope) ||
 			(
 				$count === 2 &&
 				in_array($lastPart, $this->_fieldSuffixes) &&

lib/Cake/View/Helper/FormHelper.php

@@ -409,7 +409,7 @@ class FormHelper extends AppHelper {
 		$action = $this->url($options['action']);
 		unset($options['type'], $options['action']);
 
-		if ($options['default'] == false) {
+		if (!$options['default']) {
 			if (!isset($options['onsubmit'])) {
 				$options['onsubmit'] = '';
 			}

lib/Cake/View/Helper/HtmlHelper.php

@@ -359,7 +359,7 @@ class HtmlHelper extends AppHelper {
 			$confirmMessage = str_replace("'", "\'", $confirmMessage);
 			$confirmMessage = str_replace('"', '\"', $confirmMessage);
 			$options['onclick'] = "return confirm('{$confirmMessage}');";
-		} elseif (isset($options['default']) && $options['default'] == false) {
+		} elseif (isset($options['default']) && !$options['default']) {
 			if (isset($options['onclick'])) {
 				$options['onclick'] .= ' event.returnValue = false; return false;';
 			} else {
@@ -441,7 +441,7 @@ class HtmlHelper extends AppHelper {
 		if ($rel == 'import') {
 			$out = sprintf($this->_tags['style'], $this->_parseAttributes($options, array('inline', 'block'), '', ' '), '@import url(' . $url . ');');
 		} else {
-			if ($rel == null) {
+			if (!$rel) {
 				$rel = 'stylesheet';
 			}
 			$out = sprintf($this->_tags['css'], $rel, $url, $this->_parseAttributes($options, array('inline', 'block'), '', ' '));

lib/Cake/View/Helper/JsHelper.php

@@ -338,7 +338,7 @@ class JsHelper extends AppHelper {
 		} else {
 			$data = array($one => $two);
 		}
-		if ($data == null) {
+		if (!$data) {
 			return false;
 		}
 		$this->_jsVars = array_merge($this->_jsVars, $data);

lib/Cake/View/Helper/SessionHelper.php

@@ -134,7 +134,7 @@ class SessionHelper extends AppHelper {
 					$class = $flash['params']['class'];
 				}
 				$out = '<div id="' . $key . 'Message" class="' . $class . '">' . $message . '</div>';
-			} elseif ($flash['element'] == '' || $flash['element'] == null) {
+			} elseif (!$flash['element']) {
 				$out = $message;
 			} else {
 				$options = array();

lib/Cake/View/View.php

@@ -757,7 +757,7 @@ class View extends Object {
 		} else {
 			$data = array($one => $two);
 		}
-		if ($data == null) {
+		if (!$data) {
 			return false;
 		}
 		$this->viewVars = $data + $this->viewVars;