如题所述
<?php
//æ¹æ³ä¸
function file_exists($url)
{
$ch = curl_init();
curl_setopt($ch, curlopt_url,$url);
curl_setopt($ch, curlopt_nobody, 1); // ä¸ä¸è½½
curl_setopt($ch, curlopt_failonerror, 1);
curl_setopt($ch, curlopt_returntransfer, 1);
if(curl_exec($ch)!==false)
return true;
else
return false;
}
//æ¹æ³äº
function file_exists2($url)
{
if(file_get_contents($url,0,null,0,1))
return 1;
else
return 0;
}
//æ¹æ³ä¸
function file_exists($url) {
$curl = curl_init($url);
// ä¸ååæ°æ®
curl_setopt($curl, CURLOPT_NOBODY, true);
// åé请æ±
$result = curl_exec($curl);
$found = false;
// å¦æ请æ±æ²¡æåé失败
if ($result !== false) {
// åæ£æ¥httpååºç æ¯å¦ä¸º200
}
//æ¹æ³ä¸
function file_exists($url)
{
$ch = curl_init();
curl_setopt($ch, curlopt_url,$url);
curl_setopt($ch, curlopt_nobody, 1); // ä¸ä¸è½½
curl_setopt($ch, curlopt_failonerror, 1);
curl_setopt($ch, curlopt_returntransfer, 1);
if(curl_exec($ch)!==false)
return true;
else
return false;
}
//æ¹æ³äº
function file_exists2($url)
{
if(file_get_contents($url,0,null,0,1))
return 1;
else
return 0;
}
//æ¹æ³ä¸
function file_exists($url) {
$curl = curl_init($url);
// ä¸ååæ°æ®
curl_setopt($curl, CURLOPT_NOBODY, true);
// åé请æ±
$result = curl_exec($curl);
$found = false;
// å¦æ请æ±æ²¡æåé失败
if ($result !== false) {
// åæ£æ¥httpååºç æ¯å¦ä¸º200
}
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