| Phpdftk\Filters\Ascii85Filter::decode | 21.80 | 87.8% |
| Phpdftk\Filters\CCITTFaxFilter::read2DMode | 19.18 | 84.6% |
| Phpdftk\Filters\CCITTFaxFilter::decodeGroup4Row | 18 | 97.4% |
| Phpdftk\Filters\CCITTFaxFilter::encodeGroup4Row | 18 | 97.6% |
| Phpdftk\Filters\LzwFilter::decode | 16.09 | 93.0% |
| Phpdftk\Filters\CCITTFaxFilter::encodeRunLength | 15.89 | 70.0% |
| Phpdftk\Filters\RunLengthFilter::encode | 15.09 | 92.6% |
| Phpdftk\Filters\Jbig2Filter::decode | 15.08 | 82.4% |
| Phpdftk\Filters\CCITTFaxFilter::encode | 15 | 100.0% |
| Phpdftk\Filters\CCITTFaxFilter::decode | 15 | 100.0% |
| Phpdftk\Filters\PredictorFilter::encodePng | 13 | 95.7% |
| Phpdftk\Filters\Jbig2Filter::parseSegmentHeader | 11.17 | 88.9% |
| Phpdftk\Filters\LzwFilter::encode | 11 | 96.7% |
| Phpdftk\Filters\PredictorFilter::decodePng | 10.46 | 83.3% |
| Phpdftk\Filters\CCITTFaxFilter::readRunLength | 8.10 | 88.2% |
| Phpdftk\Filters\CCITTFaxFilter::decodeGroup3Row | 8 | 100.0% |
| Phpdftk\Filters\Jbig2Filter::decodeGenericRegion | 7.12 | 86.4% |
| Phpdftk\Filters\Ascii85Filter::encode | 7 | 100.0% |
| Phpdftk\Filters\CCITTFaxFilter::findB1 | 6 | 100.0% |
| Phpdftk\Filters\PredictorFilter::decode | 5.07 | 85.7% |
| Phpdftk\Filters\PredictorFilter::encode | 5.07 | 85.7% |
| Phpdftk\Filters\PredictorFilter::decodeTiff | 5.07 | 85.7% |
| Phpdftk\Filters\CCITTFaxFilter::packRow | 5 | 100.0% |
| Phpdftk\Filters\CCITTFaxFilter::encodeGroup3Row | 5 | 100.0% |
| Phpdftk\Filters\RunLengthFilter::decode | 5 | 100.0% |
| Phpdftk\Filters\CCITTFaxFilter::skipEOL | 4.25 | 75.0% |
| Phpdftk\Filters\CCITTFaxFilter::unpackRow | 4.02 | 90.0% |
| Phpdftk\Filters\PredictorFilter::paethPredictor | 4.02 | 88.9% |
| Phpdftk\Filters\LzwBitReader::read | 4.01 | 91.7% |
| Phpdftk\Filters\AsciiHexFilter::decode | 4 | 100.0% |
| Phpdftk\Filters\CCITTFaxFilter::matchHuffman | 4 | 100.0% |
| Phpdftk\Filters\CCITTFaxFilter::findChanging | 4 | 100.0% |
| Phpdftk\Filters\Jbig2Filter::encode | 4 | 100.0% |
| Phpdftk\Filters\PredictorFilter::pngDecodePaeth | 4 | 100.0% |
| Phpdftk\Filters\PredictorFilter::pngEncodePaeth | 4 | 100.0% |
| Phpdftk\Filters\CCITTFaxFilter::bitsToBytes | 3 | 100.0% |
| Phpdftk\Filters\LzwBitWriter::write | 3 | 100.0% |
| Phpdftk\Filters\PredictorFilter::encodeTiff | 3 | 100.0% |
| Phpdftk\Filters\PredictorFilter::pngDecodeAverage | 3 | 100.0% |
| Phpdftk\Filters\PredictorFilter::pngEncodeAverage | 3 | 100.0% |
| Phpdftk\Filters\FlateFilter::encode | 2.06 | 75.0% |
| Phpdftk\Filters\FlateFilter::decode | 2 | 100.0% |
| Phpdftk\Filters\LzwBitWriter::finish | 2 | 100.0% |
| Phpdftk\Filters\PredictorFilter::pngDecodeSub | 2 | 100.0% |
| Phpdftk\Filters\PredictorFilter::pngEncodeSub | 2 | 100.0% |
| Phpdftk\Filters\PredictorFilter::pngDecodeUp | 2 | 100.0% |
| Phpdftk\Filters\PredictorFilter::pngEncodeUp | 2 | 100.0% |
| Phpdftk\Filters\AsciiHexFilter::encode | 1 | 100.0% |
| Phpdftk\Filters\CCITTFaxFilter::__construct | 1 | 100.0% |
| Phpdftk\Filters\FlateFilter::__construct | 1 | 100.0% |
| Phpdftk\Filters\Jbig2Filter::__construct | 1 | 100.0% |
| Phpdftk\Filters\Jbig2Filter::buildSegmentHeader | 1 | 100.0% |
| Phpdftk\Filters\LzwFilter::__construct | 1 | 100.0% |
| Phpdftk\Filters\LzwBitReader::__construct | 1 | 100.0% |
| Phpdftk\Filters\PredictorFilter::__construct | 1 | 100.0% |