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(PHP ActiveX) Compress String Feed to Base64This example receives incoming text data in chunks, compresses as a stream, and accumulates the compressed data in base64. Note: This example requires Chilkat v11.0.0 or greater.
<?php $success = 0; // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. $sbCompressedBase64 = new COM("Chilkat.StringBuilder"); $compress = new COM("Chilkat.Compression"); $compress->Algorithm = 'deflate'; $compress->Charset = 'utf-8'; $compress->EncodingMode = 'base64'; $compress->FirstChunk = 1; $compress->LastChunk = 0; $bdCompressed = new COM("Chilkat.BinData"); $sbUncompressedChunk = new COM("Chilkat.StringBuilder"); for ($i = 0; $i <= 24; $i++) { if ($i == 24) { $compress->LastChunk = 1; } $sbUncompressedChunk->Clear(); $sbUncompressedChunk->AppendInt($i); $sbUncompressedChunk->Append(': This is a line of data to be compressed...\r\n'); $compress->CompressSb($sbUncompressedChunk,$bdCompressed); $compress->FirstChunk = 0; } print 'The base64 encoded compressed text:' . "\n"; print $bdCompressed->getEncoded('base64') . "\n"; // Decompress in one call: $originalText = $compress->decompressStringENC($bdCompressed->getEncoded('base64')); print $originalText . "\n"; ?> |
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