PHP脚本执行JS脚本的方法

[asp]代码库

<?php
$start = microtime(true);
$array = array();
for ($i=0; $i<50000; $i++) $array[] = $i*2;
 
$array2 = array();
for ($i=20000; $i<21000; $i++) $array2[] = $i*2;
 
foreach ($array as $val) {
  foreach ($array2 as $val2) if ($val == $val2) {}
}
echo (microtime(true)-$start)."\n"; // 8.60s
 
 
$start = microtime(true);
$v8 = new V8Js();
$JS = <<< EOT
var array = [];
for (i=0; i<50000; i++) array.push(i*2);
 
var array2 = [];
for (i=20000; i<21000; i++) array2.push(i*2);
 
for (key=0; key<array.length; key++) {
  for (key2=0; key2<array2.length; key2++) if (array[key] == array2[key2]) {}
}
print('done.');
EOT;
$v8->executeString($JS, 'basic.js');
<p>
	echo ' '.(microtime(true)-$start)."\n"; // 3.49s
</p>

<p>
	


</p>

<p>
	


</p>

<p>
	网上找到的应该可以用
</p>