复制代码 代码如下:

function remote($urls, $name = '', $path = '', $dir = './images/') {

if (!is_array($urls) or count($urls) == 0) {

return false;

}

dmkdir($dir);

$curl = $text = array();

foreach($urls as $k => $v) {

if (!empty($v) && preg_match("~^http~i", $v)) {

$nurl[$k] = trim(str_replace(' ', "%20", $v));

$curl[$k] = curl_init($nurl[$k]);

curl_setopt($curl[$k], CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4 );

curl_setopt($curl[$k], CURLOPT_RETURNTRANSFER, 1);

curl_setopt($curl[$k], CURLOPT_HEADER, 0);

curl_setopt($curl[$k], CURLOPT_CONNECTTIMEOUT, 20);

if(!isset($handle)){

$handle = curl_multi_init();

}

curl_multi_add_handle($handle, $curl[$k]);

}

continue ;

}

$active = null;

do{

$mrc = @curl_multi_exec($handle, $active);

} while ($mrc == CURLM_CALL_MULTI_PERFORM);

while ($active && $mrc == CURLM_OK) {

if (curl_multi_select($handle) != -1) {

do {

$mrc = curl_multi_exec($handle, $active);

} while ($mrc == CURLM_CALL_MULTI_PERFORM);

}

}

foreach ($curl as $k => $v) {

if (curl_error($curl[$k]) == "") {

if ($k == 0) {

$fname[$k] = strtolower($name . '.' . pathinfo($urls[$k], PATHINFO_EXTENSION));

} else {

$fname[$k] = strtolower($name . '_' . $k . '.' . pathinfo($urls[$k], PATHINFO_EXTENSION));

}

$text[$k] = (string) curl_multi_getcontent($curl[$k]);

$filedir[$k] = $dir.'/' . $fname[$k];

if (file_put_contents($filedir[$k], $text[$k])) {

$filepath[$k] = $path . $fname[$k];

}

}

curl_multi_remove_handle($handle, $curl[$k]);

curl_close($curl[$k]);

}

curl_multi_close($handle);

return $filepath;

}