本文實例講述了PHP7基于curl實現的上傳圖片功能。分享給大家供大家參考，具體如下：
根據php版本不同，curl模擬表單上傳的方法不同
php5.5之前
$curl = curl_init();if (defined('CURLOPT_SAFE_UPLOAD')) { curl_setopt($curl, CURLOPT_SAFE_UPLOAD, false);}$data = array('file' => '@' . realpath($path));//‘@' 符號告訴服務器為上傳資源curl_setopt($curl, CURLOPT_URL, $url);curl_setopt($curl, CURLOPT_POST, 1 );curl_setopt($curl, CURLOPT_POSTFIELDS, $data);curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);curl_setopt($curl, CURLOPT_USERAGENT,"TEST");$result = curl_exec($curl);$error = curl_error($curl);php5.5之后，到php7
$curl = curl_init();curl_setopt($curl, CURLOPT_SAFE_UPLOAD, true);$data = array('file' => new /CURLFile(realpath($path)));url_setopt($curl, CURLOPT_URL, $url);curl_setopt($curl, CURLOPT_POST, 1 );curl_setopt($curl, CURLOPT_POSTFIELDS, $data);curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);curl_setopt($curl, CURLOPT_USERAGENT,"TEST");$result = curl_exec($curl);$error = curl_error($curl);下面提供一個兼容的方法：
$curl = curl_init();if (class_exists('/CURLFile')) { curl_setopt($curl, CURLOPT_SAFE_UPLOAD, true);$data = array('file' => new /CURLFile(realpath($path)));//>=5.5} else { if (defined('CURLOPT_SAFE_UPLOAD')) { curl_setopt($curl, CURLOPT_SAFE_UPLOAD, false); } $data = array('file' => '@' . realpath($path));//<=5.5}curl_setopt($curl, CURLOPT_URL, $url);curl_setopt($curl, CURLOPT_POST, 1 );curl_setopt($curl, CURLOPT_POSTFIELDS, $data);curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);curl_setopt($curl, CURLOPT_USERAGENT,"TEST");$result = curl_exec($curl);$error = curl_error($curl);其中：
$path：為待上傳的圖片地址
$url：目標服務器地址
例如
$url="http://localhost/upload.php";$path = "/bg_right.jpg"
upload.php示例：
<?php file_put_contents(time().".json", json_encode($_FILES)); $tmp_name = $_FILES['file']['tmp_name']; $name = $_FILES['file']['name']; move_uploaded_file($tmp_name,'audit/'.$name);?>
希望本文所述對大家PHP程序設計有所幫助。
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