diff --git a/models/Asset.php b/models/Asset.php
index 8bf1e26..6bc44c2 100644
--- a/models/Asset.php
+++ b/models/Asset.php
@@ -263,7 +263,7 @@ class Asset
 		}
 
 		$data['id_asset'] = $db->insert_id();
-		return $return_format == 'object' ? new self($data) : $data;
+		return $return_format === 'object' ? new self($data) : $data;
 	}
 
 	public function getId()
@@ -394,7 +394,7 @@ class Asset
 		finfo_close($finfo);
 
 		// Detected an image?
-		if (substr($this->mimetype, 0, 5) == 'image')
+		if (substr($this->mimetype, 0, 5) === 'image')
 		{
 			$image = new Imagick($destination);
 			$d = $image->getImageGeometry();
diff --git a/models/AssetIterator.php b/models/AssetIterator.php
index b05b59d..84433f7 100644
--- a/models/AssetIterator.php
+++ b/models/AssetIterator.php
@@ -56,7 +56,7 @@ class AssetIterator extends Asset
 		// Reset internal pointer for next asset.
 		$this->db->data_seek($this->res_thumbs, 0);
 
-		if ($this->return_format == 'object')
+		if ($this->return_format === 'object')
 			return new Asset($row);
 		else
 			return $row;
diff --git a/models/Database.php b/models/Database.php
index 8507fa7..7f59a6c 100644
--- a/models/Database.php
+++ b/models/Database.php
@@ -519,7 +519,7 @@ class Database
 			$insertRows[] = $this->quote($insertData, array_combine($indexed_columns, $dataRow));
 
 		// Determine the method of insertion.
-		$queryTitle = $method == 'replace' ? 'REPLACE' : ($method == 'ignore' ? 'INSERT IGNORE' : 'INSERT');
+		$queryTitle = $method === 'replace' ? 'REPLACE' : ($method === 'ignore' ? 'INSERT IGNORE' : 'INSERT');
 
 		// Do the insert.
 		return $this->query('
diff --git a/models/Image.php b/models/Image.php
index 73fa459..27b5734 100644
--- a/models/Image.php
+++ b/models/Image.php
@@ -22,7 +22,7 @@ class Image extends Asset
 	{
 		$asset = parent::fromId($id_asset, 'array');
 		if ($asset)
-			return $return_format == 'object' ? new Image($asset) : $asset;
+			return $return_format === 'object' ? new Image($asset) : $asset;
 		else
 			return false;
 	}
@@ -34,7 +34,7 @@ class Image extends Asset
 
 		$assets = parent::fromIds($id_assets, 'array');
 
-		if ($return_format == 'array')
+		if ($return_format === 'array')
 			return $assets;
 		else
 		{
diff --git a/models/Tag.php b/models/Tag.php
index ce66363..e6b6f13 100644
--- a/models/Tag.php
+++ b/models/Tag.php
@@ -39,7 +39,7 @@ class Tag
 		if (empty($row))
 			throw new NotFoundException();
 
-		return $return_format == 'object' ? new Tag($row) : $row;
+		return $return_format === 'object' ? new Tag($row) : $row;
 	}
 
 	public static function fromSlug($slug, $return_format = 'object')
@@ -58,7 +58,7 @@ class Tag
 		if (empty($row))
 			throw new NotFoundException();
 
-		return $return_format == 'object' ? new Tag($row) : $row;
+		return $return_format === 'object' ? new Tag($row) : $row;
 	}
 
 	public static function getAll($limit = 0, $return_format = 'array')
@@ -84,7 +84,7 @@ class Tag
 			});
 		}
 
-		if ($return_format == 'object')
+		if ($return_format === 'object')
 		{
 			$return = [];
 			foreach ($rows as $row)
@@ -110,7 +110,7 @@ class Tag
 				'limit' => $limit,
 			]);
 
-		if ($return_format == 'object')
+		if ($return_format === 'object')
 		{
 			$return = [];
 			foreach ($rows as $row)
@@ -136,7 +136,7 @@ class Tag
 				'limit' => $limit,
 			]);
 
-		if ($return_format == 'object')
+		if ($return_format === 'object')
 		{
 			$return = [];
 			foreach ($rows as $row)
@@ -166,7 +166,7 @@ class Tag
 		if (empty($rows))
 			return [];
 
-		if ($return_format == 'object')
+		if ($return_format === 'object')
 		{
 			$return = [];
 			foreach ($rows as $row)
@@ -196,7 +196,7 @@ class Tag
 		if (empty($rows))
 			return [];
 
-		if ($return_format == 'object')
+		if ($return_format === 'object')
 		{
 			$return = [];
 			foreach ($rows as $row)
@@ -244,7 +244,7 @@ class Tag
 			trigger_error('Could not create the requested tag.', E_USER_ERROR);
 
 		$data['id_tag'] = $db->insert_id();
-		return $return_format == 'object' ? new Tag($data) : $data;
+		return $return_format === 'object' ? new Tag($data) : $data;
 	}
 
 	public function getUrl()
diff --git a/templates/FormView.php b/templates/FormView.php
index 47c52ec..0549a88 100644
--- a/templates/FormView.php
+++ b/templates/FormView.php
@@ -81,7 +81,7 @@ class FormView extends SubTemplate
 		if ($field['type'] != 'checkbox' && isset($field['label']))
 			echo '
 					<dt class="cont_', $field_id, isset($field['tab_class']) ? ' target target-' . $field['tab_class'] : '', '"', in_array($field_id, $this->missing) ? ' style="color: red"' : '', '>', $field['label'], '</dt>';
-		elseif ($field['type'] == 'checkbox' && isset($field['header']))
+		elseif ($field['type'] === 'checkbox' && isset($field['header']))
 			echo '
 					<dt class="cont_', $field_id, isset($field['tab_class']) ? ' target target-' . $field['tab_class'] : '', '"', in_array($field_id, $this->missing) ? ' style="color: red"' : '', '>', $field['header'], '</dt>';
 
diff --git a/templates/TabularData.php b/templates/TabularData.php
index 7f78659..0571296 100644
--- a/templates/TabularData.php
+++ b/templates/TabularData.php
@@ -49,7 +49,7 @@ class TabularData extends SubTemplate
 							$th['href'] ? '<a href="' . $th['href'] . '">' . $th['label'] . '</a>' : $th['label'];
 
 			if ($th['sort_mode'] )
-				echo ' ', $th['sort_mode'] == 'up' ? '&uarr;' : '&darr;';
+				echo ' ', $th['sort_mode'] === 'up' ? '&uarr;' : '&darr;';
 
 			echo '</th>';
 		}
diff --git a/templates/Template.php b/templates/Template.php
index aafd336..7cc73ee 100644
--- a/templates/Template.php
+++ b/templates/Template.php
@@ -15,7 +15,7 @@ abstract class Template
 	public function adopt(Template $template, $position = 'end')
 	{
 		// By default, we append it.
-		if ($position == 'end')
+		if ($position === 'end')
 			$this->_subtemplates[] = $template;
 		// We can also add it to the beginning of the list, though.
 		else