Minor updates, plus update the inputfields.js triggered events (openReady, opened, closeReady, closed) to include the Inputfield element in the event arguments for simpler access to it vs the event.target.

wire/core/WireData.php

@@ -211,7 +211,7 @@ class WireData extends Wire implements \IteratorAggregate, \ArrayAccess {
 	 *   - `$this` - If you are setting a value.
 	 */
 	public function data($key = null, $value = null) {
-		if(is_null($key)) return $this->data;
+		if($key === null) return $this->data;
 		if(is_array($key)) {
 			if($value === true) {
 				$this->data = $key;
@@ -219,7 +219,7 @@ class WireData extends Wire implements \IteratorAggregate, \ArrayAccess {
 				$this->data = array_merge($this->data, $key);
 			}
 			return $this;
-		} else if(is_null($value)) {
+		} else if($value === null) {
 			return isset($this->data[$key]) ? $this->data[$key] : null;
 		} else {
 			$this->data[$key] = $value; 

wire/core/WireSaveableItems.php

@@ -106,6 +106,9 @@ abstract class WireSaveableItems extends Wire implements \IteratorAggregate {
 			return $query; 
 		}
 	
+		// Note: ProcessWire core does not appear to ever reach this point as the
+		// core does not use selectors to load any of its WireSaveableItems
+
 		$functionFields = array(
 			'sort' => '', 
 			'limit' => '', 
@@ -117,25 +120,33 @@ abstract class WireSaveableItems extends Wire implements \IteratorAggregate {
 
 		foreach($selectors as $selector) {
 
-			if(!$database->isOperator($selector->operator)) 
+			if(!$database->isOperator($selector->operator)) {
-				throw new WireException("Operator '{$selector->operator}' may not be used in {$this->className}::load()"); 
+				throw new WireException("Operator '$selector->operator' may not be used in {$this->className}::load()");
+			}
 			
-			if(in_array($selector->field, $functionFields)) {
+			if(isset($functionFields[$selector->field])) {
 				$functionFields[$selector->field] = $selector->value;
 				continue;
 			}
 
 			if(!in_array($selector->field, $fields)) {
-				throw new WireException("Field '{$selector->field}' is not valid for {$this->className}::load()");
+				throw new WireException("Field '$selector->field' is not valid for {$this->className}::load()");
 			}
 
 			$selectorField = $database->escapeTableCol($selector->field); 
-			$value = $database->escapeStr($selector->value); 
+			$query->where("$selectorField$selector->operator?", $selector->value); // QA
-			$query->where("{$selectorField}{$selector->operator}'$value'"); // QA
 		}
 
-		if($functionFields['sort'] && in_array($functionFields['sort'], $fields)) $query->orderby("$functionFields[sort]");
+		$sort = $functionFields['sort'];
-		if($functionFields['limit']) $query->limit(($functionFields['start'] ? ((int) $functionFields['start']) . "," : '') . $functionFields['limit']); 
+		if($sort && in_array($sort, $fields)) {
+			$query->orderby($database->escapeCol($sort));
+		}
+		
+		$limit = (int) $functionFields['limit'];
+		if($limit) {
+			$start = $functionFields['start'];
+			$query->limit(($start ? ((int) $start) . ',' : '') . $limit);
+		}
 
 		return $query; 
 

wire/modules/Inputfield/InputfieldDatetime/InputfieldDatetime.module

@@ -51,6 +51,7 @@
  * @property int $timeInputSelect jQuery UI timeSelect type (requires datepicker)—specify 1 to use a `<select>` for time input, or 0 to use a slider (default=0)
  * @property string $dateInputFormat Date input format to use, see WireDateTime::$dateFormats (default='Y-m-d')
  * @property string $timeInputFormat Time input format to use, see WireDateTime::$timeFormats (default='')
+ * @property string $placeholder Placeholder attribute text
  * 
  * Properties specific to "html" input type
  * ========================================

wire/templates-admin/scripts/inputfields.js

@@ -202,7 +202,7 @@ var Inputfields = {
 		}
 
 		function opened() {
-			$inputfield.trigger('opened');
+			$inputfield.trigger('opened', $inputfield);
 			if($inputfield.hasClass('InputfieldColumnWidth')) {
 				$inputfield.children('.InputfieldContent').show();
 			}
@@ -214,7 +214,7 @@ var Inputfields = {
 
 		function closed() {
 			if($inputfield.css('overflow') == 'hidden') $inputfield.css('overflow', '');
-			$inputfield.trigger('closed');
+			$inputfield.trigger('closed', $inputfield);
 			if($inputfield.hasClass('InputfieldColumnWidth')) {
 				$inputfield.children('.InputfieldContent').hide();
 			}
@@ -261,7 +261,7 @@ var Inputfields = {
 
 		// handle either open or close
 		if(open && isCollapsed) {
-			$inputfield.addClass('InputfieldStateToggling').trigger('openReady');
+			$inputfield.addClass('InputfieldStateToggling').trigger('openReady', $inputfield);
 			if(duration && jQuery.ui) {
 				$inputfield.toggleClass('InputfieldStateCollapsed', duration, opened);
 			} else {
@@ -269,7 +269,7 @@ var Inputfields = {
 				opened();
 			}
 		} else if(!open && !isCollapsed) {
-			$inputfield.addClass('InputfieldStateToggling').trigger('closeReady');
+			$inputfield.addClass('InputfieldStateToggling').trigger('closeReady', $inputfield);
 			if(duration && jQuery.ui) {
 				$inputfield.toggleClass('InputfieldStateCollapsed', duration, closed);
 			} else {