PHP Algorithm

PHP Numerical and Statistical algorithms
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    1187 total visits
    Sort script provides and implementation of several algorithms to sort the elements of an array. The algorithms that are implemented are: Merge sort, Shell sort and Bubble sort.
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    Mergesort produces a sorted sequence of an array form index $startuntil index $end.function Merge_sort sorts the input array directly. function MS_get gives a new array with a sorted sequence of the input array and leave the input array unchanged.
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    Brim::QuickSort implements the QuickSort algorithm to sort arrays of objects.It uses a comparator callback class with a function that compares two objects and returns -1, 0 or 1 to indicate whether the objects are equal or which one is greater in respect to the sorting criteria.
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    Combinatorics contains some useful statistical functions to make combinatorial statictic calculations like dispositions and combinations of objects.As an interesting use of the class there is a subclass to find the best path, both if you have to visit a certain number of cities and if you have to touch a certain number of nodes in a network.
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    Perceptron is a script implements a model of the Percetron (Artificial Neural Networks - ANN) that can be trained to recognize patterns in its inputs. This is similar to the algorithm used on palmtops to recognize words written on its pen pad.The example that comes with this script demonstrates how it can be used to find people that match the ...
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    Sun script contains methods for calculating the sunrise and sunset for any day, for any zenith (angle at which the sun is said to rise or set) and any place in the world given its latitude and longitude coordinates.There are many algorithms for calculating sunrise/sunset, but Sun classes was the simplest and explained in an easy to understand manner.
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    MPTTA for PHP and MySQL is a script can manage hierarchic trees of information stored in a MySQL database. It can add, move or delete branches inside a database tree created using the Modified Preorder Tree Traversal Algorithm described by Joe Celko in the DBMS Magazine in 1996. MPTTA for PHP and MySQL can run using PHP 4 and MySQL ...
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    KeyGold is a simple PHP script that generate relevant keywords from your site content. It's suitable for anyone who need to build a new site. Features of KeyGold Keyword Generator: - read file html and easy browse file,- easy copy paste from the site content,- complete result for keyword and 'Description', - 'black list' keyword file, - 'expected keyword' file.
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