Initial data commit

Task/Associative-array-Creation/PHP/associative-array-creation-1.php

@@ -0,0 +1,21 @@
+$array = array();
+$array = []; // Simpler form of array initialization
+$array['foo'] = 'bar';
+$array['bar'] = 'foo';
+
+echo($array['foo']); // bar
+echo($array['moo']); // Undefined index
+
+// Alternative (inline) way
+$array2 = array('fruit' => 'apple',
+                'price' => 12.96,
+                'colour' => 'green');
+
+// Another alternative (simpler) way
+$array2 = ['fruit' => 'apple',
+                'price' => 12.96,
+                'colour' => 'green'];
+
+// Check if key exists in the associative array
+echo(isset($array['foo'])); // Faster, but returns false if the value of the element is set to null
+echo(array_key_exists('foo', $array)); // Slower, but returns true if the value of the element is null