<?php
function getTitle($Url){
$str = file_get_contents($Url);
if(strlen($str)>0){
preg_match("/<title>(.*)</title>/",$str,$title);
return $title[1];
}
}
echo getTitle("http://www.stackoverflow.com/");
?>
当我运行此脚本时, 它返回错误
max_execution_time exceeds 30 second.
我不想增加最大执行时间, 但我想减少脚本运行时间 。
您重新收集整个页面。 为什么不指定 < code> $maxlen palm 来获取标题标签所在页面的页眉? 这将给您一些速度 。
string file_get_contents (字符串 $filename [, bull $use_ including_ path = 假 [, 资源 $text [, int $offsets = - 1 [, int $t $maxlen ] ] ] ]
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