性能测试

Author: vip601115211

test.php

@@ -0,0 +1,15 @@
+<?php
+ini_set("memory_limit", "-1");
+
+for($size = 1000; $size < 5000000; $size *= 2) { 
+    echo PHP_EOL , "Testing size: ", number_format($size), PHP_EOL; 
+    for($m = memory_get_usage(), $s = microtime(true), $container = Array(), $i = 0; $i < $size; $i++) $container[$i] = "$i"; 
+    echo "Array():         " , "time:", (microtime(true) - $s) , " memory:", (memory_get_usage() - $m)/1024, PHP_EOL; 
+    unset($container);
+    for($m = memory_get_usage(), $s = microtime(true), $container = new ArrayList($size), $i = 0; $i < $size; $i++) $container->add("$i"); 
+    echo "ArrayList():     " , "time:", (microtime(true) - $s) , " memory:", (memory_get_usage() - $m)/1024, PHP_EOL; 
+    unset($container);
+    for($m = memory_get_usage(), $s = microtime(true), $container = new SplFixedArray($size), $i = 0; $i < $size; $i++) $container[$i] = "$i"; 
+    echo "SplFixedArray(): "  , "time:", (microtime(true) - $s) , " memory:", (memory_get_usage() - $m)/1024, PHP_EOL;
+} 
+?>