摘要: <?php $arr = [ [ 'id'=>1, 'name'=>'Tom' ], [ 'id'=>2, 'name'=>'Tom' ], [ 'id'=>3, 'name'=>'Tom' ], [ 'id'=>4, 'name'=>'Tom' ], [ 'id'=>5, 'name'=>'Tom 阅读全文
posted @ 2021-06-02 11:18 Microtiger 阅读(1237) 评论(0) 推荐(0)
摘要: $t1 = microtime(true); sleep(3); $t2 = microtime(true); echo '程序耗时'.round($t2-$t1,3).'秒'; 阅读全文
posted @ 2021-06-02 11:03 Microtiger 阅读(51) 评论(0) 推荐(0)