Merge pull request #27 from nickfan/master

function_exists check

Author: mtdowling

src/JmesPath.php

@@ -5,11 +5,13 @@
  * Returns data from the input array that matches a JMESPath expression.
  *
  * @param string $expression Expression to search.
- * @param mixed  $data       Data to search.
+ * @param mixed $data Data to search.
  *
  * @return mixed|null
  */
-function search($expression, $data)
-{
-    return Env::search($expression, $data);
+if (!function_exists(__NAMESPACE__ . '\search')) {
+    function search($expression, $data)
+    {
+        return Env::search($expression, $data);
+    }
 }