两种写法都看到过
<code class="language-text"><?php //test.php $a = '1'; for($i=0;$i<=100000000;$i++){ if(1 == $a){ // } } </code></code>
<code class="language-text">$ time php test.php real 0m12.352s user 0m0.000s sys 0m0.015s $ time php test1.php real 0m12.240s user 0m0.000s sys 0m0.031s $ time php test2.php real 0m4.635s user 0m0.015s sys 0m0.000s $ time php test3.php real 0m4.620s user 0m0.000s sys 0m0.015s </code>