array-column.xml Replace array() to [], and make ex. php#2 executable

Author: mmalferov

reference/array/functions/array-column.xml

@@ -104,32 +104,34 @@
     <programlisting role="php">
 <![CDATA[
 <?php
+
 // Array representing a possible record set returned from a database
-$records = array(
-    array(
+$records = [
+    [
         'id' => 2135,
         'first_name' => 'John',
         'last_name' => 'Doe',
-    ),
-    array(
+    ],
+    [
         'id' => 3245,
         'first_name' => 'Sally',
         'last_name' => 'Smith',
-    ),
-    array(
+    ],
+    [
         'id' => 5342,
         'first_name' => 'Jane',
         'last_name' => 'Jones',
-    ),
-    array(
+    ],
+    [
         'id' => 5623,
         'first_name' => 'Peter',
         'last_name' => 'Doe',
-    )
-);
+    ]
+];
  
 $first_names = array_column($records, 'first_name');
 print_r($first_names);
+
 ?>
 ]]>
     </programlisting>
@@ -155,9 +157,34 @@ Array
     <programlisting role="php">
 <![CDATA[
 <?php
+
 // Using the $records array from Example #1
+$records = [
+    [
+        'id' => 2135,
+        'first_name' => 'John',
+        'last_name' => 'Doe',
+    ],
+    [
+        'id' => 3245,
+        'first_name' => 'Sally',
+        'last_name' => 'Smith',
+    ],
+    [
+        'id' => 5342,
+        'first_name' => 'Jane',
+        'last_name' => 'Jones',
+    ],
+    [
+        'id' => 5623,
+        'first_name' => 'Peter',
+        'last_name' => 'Doe',
+    ]
+];
+
 $last_names = array_column($records, 'last_name', 'id');
 print_r($last_names);
+
 ?>
 ]]>
     </programlisting>
@@ -202,6 +229,7 @@ $users = [
 ];
 
 print_r(array_column($users, 'username'));
+
 ?>
 ]]>
     </programlisting>