Create index2.php

Author: KB-WEB-DEVELOPMENT

2. CSV Surgery 101/imperative/index2.php

@@ -0,0 +1,20 @@
+<?php
+
+$shifts = include("ids.php");
+
+$ids = [];
+
+$start = microtime(true);
+
+foreach ($shifts as $shift) {
+   if (strrpos($shift, '_') !== false) {
+		$underscorePosition = strrpos($shift, '_');
+		$substringOffset = $underscorePosition + 1;
+		$ids[] = substr($shift, $substringOffset);
+  } else {
+	    $ids[] = $shift;
+  }	  
+}
+// var_dump($ids);
+
+// echo microtime(true) - $start; 6.0081481933594E-5 microseconds