| CompressionData compression and file archive manipulation. | 
| Top 3 best rated classes of Compression group
| Rank | Class | Author | Rating |  
| 11 | lezaz Template engine that compiles tags into PHP code
 | bassam alessawi | 81.67% |  
| 67 | PHP Application Packer Create packages of project files for distribution
 | Vallo Reima | 75.83% |  
| 167 | dUnzip2 Pack and unpack files packed in ZIP archives
 | Alexandre Tedeschi (d) | 72.54% |  
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| | 
|  July 2017
 Number 2
 |  |  | 
 
| Not yet rated by the users |  | 
| Ratings | Utility | Consistency | Documentation | Examples | Tests | Videos | Overall | Rank | 
| All time: | 71% | 80% | - | - | - | - | 43% | 3546 | 
| Month: | Not yet rated by the users | 
| Ratings | Utility | Consistency | Documentation | Examples | Tests | Videos | Overall | Rank | 
| All time: | 83% | 83% | 83% | 75% | - | - | 65% | 584 | 
| Month: | Not yet rated by the users | 
| 
| Ratings | Utility | Consistency | Documentation | Examples | Tests | Videos | Overall | Rank |  
| All time: | 90% | 90% | - | 85% | - | - | 62% | 914 |  
| Month: | Not yet rated by the users |  | 
| Ratings | Utility | Consistency | Documentation | Examples | Tests | Videos | Overall | Rank | 
| All time: | 70% | 80% | 77% | - | - | - | 50% | 2665 | 
| Month: | Not yet rated by the users | 
| | 
|  May 2008
 Number 5
 |  |  | 
 | 
| Ratings | Utility | Consistency | Documentation | Examples | Tests | Videos | Overall | Rank | 
| All time: | 81% | 81% | - | - | - | - | 48% | 2940 | 
| Month: | Not yet rated by the users | 
| 
| Ratings | Utility | Consistency | Documentation | Examples | Tests | Videos | Overall | Rank |  
| All time: | 78% | 78% | 71% | - | - | - | 54% | 2147 |  
| Month: | Not yet rated by the users |  | 
| 
| Ratings | Utility | Consistency | Documentation | Examples | Tests | Videos | Overall | Rank |  
| All time: | 75% | 84% | - | 78% | - | - | 53% | 2170 |  
| Month: | Not yet rated by the users |  | 
| Ratings | Utility | Consistency | Documentation | Examples | Tests | Videos | Overall | Rank | 
| All time: | 70% | 65% | - | 60% | - | - | 47% | 3073 | 
| Month: | Not yet rated by the users | 
| | 
|  December 2024
 Number 5
 |  |  | 
 | 
| Not yet rated by the users | 
| Ratings | Utility | Consistency | Documentation | Examples | Tests | Videos | Overall | Rank | 
| All time: | 91% | 91% | 91% | 83% | 91% | - | 81% | 11 | 
| Month: | Not yet rated by the users | 
| 
| Ratings | Utility | Consistency | Documentation | Examples | Tests | Videos | Overall | Rank |  
| All time: | 80% | 70% | - | 80% | - | - | 55% | 1993 |  
| Month: | Not yet rated by the users |  | 
| Ratings | Utility | Consistency | Documentation | Examples | Tests | Videos | Overall | Rank | 
| All time: | 90% | 85% | 80% | 85% | - | - | 70% | 283 | 
| Month: | Not yet rated by the users | 
| | 
|  August 2007
 Number 7
 |  |  | 
 
| Ratings | Utility | Consistency | Documentation | Examples | Tests | Videos | Overall | Rank |  
| All time: | 68% | 81% | - | 87% | - | - | 51% | 2578 |  
| Month: | Not yet rated by the users |  | 
| Ratings | Utility | Consistency | Documentation | Examples | Tests | Videos | Overall | Rank | 
| All time: | 81% | 87% | - | 81% | - | - | 57% | 1623 | 
| Month: | Not yet rated by the users | 
| 
| Ratings | Utility | Consistency | Documentation | Examples | Tests | Videos | Overall | Rank |  
| All time: | 68% | 68% | - | 56% | - | - | 46% | 3149 |  
| Month: | Not yet rated by the users |  | 
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