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(PHP Extension) Building a multipart/form-data Request for HTTP UploadUploading files to a web server typically requires building a multipart/form-data request where the files are contained in the sub-parts of the MIME request. Note: HTTP uploads require code on the server-side to receive the upload. For example, see Complete C# ASP.NET HTTP Upload Example This example produces the following HTTP multipart/form-data request: POST /something HTTP/1.1 Content-Type: multipart/form-data; boundary=------------070002080409050901090203 Host: domain Content-Length: 546 --------------070002080409050901090203 Content-Disposition: form-data; name="fileA"; filename="fileA.txt" Content-Type: text/plain This is the contents of file A --------------070002080409050901090203 Content-Disposition: form-data; name="fileB"; filename="fileB.txt" Content-Type: text/plain This is the contents of file B --------------070002080409050901090203 Content-Disposition: form-data; name="fileC"; filename="fileC.txt" Content-Type: text/plain This is the contents of file C --------------070002080409050901090203--
<?php // The version number (9_5_0) should match version of the Chilkat extension used, omitting the micro-version number. // For example, if using Chilkat v9.5.0.48, then include as shown here: include("chilkat_9_5_0.php"); // This example demonstrates building a multipart/form-data request. $req = new CkHttpRequest(); // The ContentType, HttpVerb, and Path properties should // always be explicitly set. $req->put_HttpVerb('POST'); $req->put_Path('/something'); $req->put_ContentType('multipart/form-data'); // The contents and name of each file to be uploaded is provided // by calling any of the following methods: // AddBytesForUpload // AddBytesForUpload2 // AddFileForUpload // AddFileForUpload2 // AddStringForUpload // AddStringForUpload2 // For this example, we'll provide the contents of the files to be uploaded // directly as in-memory strings. $req->AddStringForUpload('fileA','fileA.txt','This is the contents of file A','utf-8'); $req->AddStringForUpload('fileB','fileB.txt','This is the contents of file B','utf-8'); $req->AddStringForUpload('fileC','fileC.txt','This is the contents of file C','utf-8'); // View the request that would be sent if SynchronousRequest was called: $requestMime = $req->generateRequestText(); print $requestMime . "\n"; // A few important comments about the HTTP request that is generated: // // 1) Chilkat automatically generates a random boundary string. In 99.999% of cases, this should // be sufficient. // 2) The Content-Length header is automatically generated based on the actual length of the MIME message // that follows the intial (topmost) MIME header. // 3) The HOST header will automatically get filled in with the actual domain when SynchronousRequest // is called ?> |
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