replace Zend_Json_Encoder w/ json_encode

fixes PHP notice: Array and string offset access syntax with curly braces is deprecated

views/shared/items/browse.mjson.php

@@ -153,4 +153,4 @@ function sortById($a, $b)
 	'total_items'  => count( $multipleItemMetadata )
 );
 
-echo Zend_Json_Encoder::encode( $metadata );
+echo json_encode( $metadata );

views/shared/items/show.mjson.php

@@ -1,4 +1,4 @@
 <?php
 // Get the basic data
 $itemMetadata = $this->itemJsonifier( $item , true);
-echo Zend_Json_Encoder::encode( $itemMetadata );
+echo json_encode( $itemMetadata );

views/shared/page/show.mjson.php

@@ -5,6 +5,6 @@
 		'updated' => metadata('simple_pages_page', 'updated'),
 		'text'  => metadata('simple_pages_page', 'text', array('no_escape' => true)),
 	);
-	echo Zend_Json_Encoder::encode( $pageData );
+	echo json_encode( $pageData );
 }
 ?>

views/shared/search/index.mjson.php

@@ -55,4 +55,4 @@
 	'total_items'  => count( $multipleItemMetadata )
 );
 
-echo Zend_Json_Encoder::encode( $metadata );
+echo json_encode( $metadata );

views/shared/tours/browse.mjson.php

@@ -14,7 +14,7 @@
 
 	set_current_record( 'tour', $tour );
 	$tourMetadata = $this->tourJsonifier( $tour );
-	echo Zend_Json_Encoder::encode( $tourMetadata );
+	echo json_encode( $tourMetadata );
 
 	$tourCount += 1;
 }

views/shared/tours/show.mjson.php

@@ -1,3 +1,3 @@
 <?php
 $tourMetadata = $this->tourJsonifier( $tour );
-echo Zend_Json_Encoder::encode( $tourMetadata );
+echo json_encode( $tourMetadata );