Zend_Framework Experiences - Diff 19 vs 20 on /trunk/Php/array/array_rand.php - ZF_experiences

Diff Revisions 19 vs 20 for /trunk/Php/array/array_rand.php

 <- Revisions
                             Diff lines for: 


                             Rev 
    19
:
                            Lines 1 ->
                            64 


                             Rev 
    20
:
                            Lines 1 ->
                            127
 <h1>Test de array_rand()</h1>
 <pre>
 <?php
--
+$arrItem = str_split('abcdefghi',1);
-+
+require 'Benchmark/Timer.php';
-+
+$arrItem = str_split('abcdefghi', 1);
--
+function oldRandom($arrItem)
-+
+function oldRandom ($arrItem)
 {
--
+    $itemList=array();
--
+if (isset($arrItem)) {
--
+      $items_selected_nbr = sizeof($arrItem);
--
+      if ($items_selected_nbr>2) {
-+
+    $itemList = array();
-+
+    if (isset($arrItem)) {
-+
+        $items_selected_nbr = sizeof($arrItem);
--
+      srand((double)microtime() * 1000000);
--
+      $itemList[0] = rand(0,($items_selected_nbr) - 1);
-+
+        if ($items_selected_nbr > 2) {
--
+      do {
--
+        srand((double)microtime() * 1000000);
--
+        $rand = rand(0,($items_selected_nbr) - 1);
--
+      } while (in_array($rand, $itemList));
--
+      $itemList[1] = $rand;
-+
+            srand((double) microtime() * 1000000);
-+
+            $itemList[0] = rand(0, ($items_selected_nbr) - 1);
--
+      do {
--
+        srand((double)microtime() * 1000000);
--
+        $rand = rand(0,($items_selected_nbr) - 1);
--
+      } while (in_array($rand, $itemList));
--
+      $itemList[2] = $rand;
-+
+            do {
-+
+                srand((double) microtime() * 1000000);
-+
+                $rand = rand(0, ($items_selected_nbr) - 1);
-+
+            } while (in_array($rand, $itemList));
-+
+            $itemList[1] = $rand;
-+
+            do {
-+
+                srand((double) microtime() * 1000000);
-+
+                $rand = rand(0, ($items_selected_nbr) - 1);
-+
+            } while (in_array($rand, $itemList));
-+
+            $itemList[2] = $rand;
--
+      $itemList[0] = $arrItem[$itemList[0]];
--
+      $itemList[1] = $arrItem[$itemList[1]];
--
+      $itemList[2] = $arrItem[$itemList[2]];
--
+      }
-+
-+
+            $itemList[0] = $arrItem[$itemList[0]];
-+
+            $itemList[1] = $arrItem[$itemList[1]];
-+
+            $itemList[2] = $arrItem[$itemList[2]];
-+
+        }
-+
+    }
-+
+    return $itemList;
 }
--
+return $itemList;
--
+}
--
+function newRandom($arrItem)
-+
+function newRandom ($arrItem, $cnt = 3)
 {
--
+return array_intersect_key($arrItem, array_flip(array_rand($arrItem, min(3,count($arrItem)))));
-+
+    return array_intersect_key($arrItem, array_flip(array_rand($arrItem, min($cnt, count($arrItem)))));
 }
-+
-+
+function getRandomElement (array $tab, $nb)
-+
+{
-+
-+
+    shuffle($tab);
-+
+    $result = array_chunk($tab, $nb);
-+
+    return $result[0];
-+
+}
-+
-+
 ?>
--
+</pre><h2>Je teste</h2><pre>
-+
+</pre>
-+
+<h2>Je teste</h2>
-+
+<pre>
 <?php
 var_export(oldRandom($arrItem));
--
+var_export(newRandom($arrItem));
-+
+var_export(newRandom($arrItem, 3));
-+
+var_export(getRandomElement($arrItem, 3));
 ?>
--
+</pre><h2>J'en demande plus que disponible</h2><pre>
-+
+</pre>
-+
+<h2>J'en demande plus que disponible</h2>
-+
+<pre>
 <?php
--
+var_export(oldRandom(array_slice($arrItem,0,2)));
--
+var_export(newRandom(array_slice($arrItem,0,2)));
-+
+var_export(oldRandom(array_slice($arrItem, 0, 2)));
-+
+var_export(newRandom(array_slice($arrItem, 0, 2), 3));
-+
+var_export(getRandomElement(array_slice($arrItem, 0, 2), 3));
-+
-+
+$timer = new Benchmark_Timer();
-+
+$timer->start();
-+
+$amount = 500;
-+
-+
+$timer->setMarker('oldRandom');
-+
+$timer->timeElapsed('Start', 'oldRandom') . "\n";
-+
+for ($i = 0; $i < $amount; $i ++)
-+
+    oldRandom($arrItem);
-+
+$timer->timeElapsed('End', 'oldRandom') . "\n";
-+
-+
+$timer->setMarker('newRandom');
-+
+$timer->timeElapsed('Start', 'newRandom') . "\n";
-+
+for ($i = 0; $i < $amount; $i ++)
-+
+    newRandom($arrItem, 3);
-+
+$timer->timeElapsed('End', 'newRandom') . "\n";
-+
-+
+$timer->setMarker('getRandomElement');
-+
+$timer->timeElapsed('Start', 'getRandomElement') . "\n";
-+
+for ($i = 0; $i < $amount; $i ++)
-+
+    getRandomElement($arrItem, 3);
-+
+$timer->timeElapsed('End', 'getRandomElement') . "\n";
-+
+$timer->timeElapsed('Start', 'oldRandom') . "\n";
-+
+for ($i = 0; $i < $amount; $i ++)
-+
+    oldRandom($arrItem);
-+
+$timer->timeElapsed('End', 'oldRandom') . "\n";
-+
-+
+$timer->setMarker('newRandom');
-+
+$timer->timeElapsed('Start', 'newRandom') . "\n";
-+
+for ($i = 0; $i < $amount; $i ++)
-+
+    newRandom($arrItem, 3);
-+
+$timer->timeElapsed('End', 'newRandom') . "\n";
-+
-+
+$timer->setMarker('getRandomElement');
-+
+$timer->timeElapsed('Start', 'getRandomElement') . "\n";
-+
+for ($i = 0; $i < $amount; $i ++)
-+
+    getRandomElement($arrItem, 3);
-+
+$timer->timeElapsed('End', 'getRandomElement') . "\n";
-+
-+
+$timer->stop();
-+
+$timer->display();
-+
-+
+$start = microtime(true);
-+
 ?>
 </pre>
 <hr />
 <?php
-+
 highlight_file(__FILE__);
 ?>

Commits for ZF_experiences:/trunk/Php/array/array_rand.php