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Suffix-tree (Ukkonen) for PHP.

License: MIT License

PHP 100.00%

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suffix-tree's Issues

Graph is correct, but doesn't find longest repetition

Example:

bin/tree aas a as | dot -Tpng -oaas.png

Output:

// Input: aas
// No repeated substrings found.
// Has substring: true
// Has suffix: true
// Graphviz representation: …

"mississippi" gives "issi" instead of "ssi" as longest repeated substring

Expected ssi instead of issi for input mississippi.

PHP Notice: Undefined property: stdClass::$suffix_link

bin/tree isisisiip | dot -Tpng -oisisisiip.png
PHP Notice:  Undefined property: stdClass::$suffix_link in /home/graste/projects/graste/suffix-tree/src/Builder/SuffixTreeBuilder.php on line 121
PHP Stack trace:
PHP   1. {main}() /home/graste/projects/graste/suffix-tree/bin/tree:0
PHP   2. Shrink0r\SuffixTree\Builder\SuffixTreeBuilder->build() /home/graste/projects/graste/suffix-tree/bin/tree:13
PHP   3. Shrink0r\SuffixTree\Builder\SuffixTreeBuilder->appendSuffix() /home/graste/projects/graste/suffix-tree/src/Builder/SuffixTreeBuilder.php:46

// Input: isisisiip
// No repeated substrings found.

Write tests

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