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Home类库下载PHP类库PHP receives binary stream and generates file

<?php
    /** 二进制流生成文件
    * $_POST 无法解释二进制流,需要用到 $GLOBALS[&#39;HTTP_RAW_POST_DATA&#39;] 或 php://input
    * $GLOBALS[&#39;HTTP_RAW_POST_DATA&#39;] 和 php://input 都不能用于 enctype=multipart/form-data
    * @param    String  $file   要生成的文件路径
    * @return   boolean
    */
    function binary_to_file($file){
        $content = $GLOBALS[&#39;HTTP_RAW_POST_DATA&#39;];  // 需要php.ini设置
        if(empty($content)){
            $content = file_get_contents(&#39;php://input&#39;);    // 不需要php.ini设置,内存压力小
        }
        $ret = file_put_contents($file, $content, true);
        return $ret;
    }
    
    // demo
    binary_to_file(&#39;photo/test.png&#39;);
?>
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