php Programming Glossary: linear
How does RecursiveIteratorIterator work in PHP? http://stackoverflow.com/questions/12077177/how-does-recursiveiteratoriterator-work-in-php is a concrete Iterator implementing object traversal in linear order and by default accepting any kind of Traversable in its.. below soon. Technically this works by breaking out of linearity by traversing all of a nodes' children if any . This is possible.. of these semantics. Compare with the examples below for linear looping with foreach you normally do not think about the implementation..
Preventing PHP Code from being Pirated http://stackoverflow.com/questions/1698672/preventing-php-code-from-being-pirated your code for reusing it even unscrambled code is so linear that anyone can do it without particular hassle If you do believe..
List of Big-O for PHP functions http://stackoverflow.com/questions/2473989/list-of-big-o-for-php-functions This is because in_array is implemented with a linear search O n which will linearly slow down as prime_array grows... is implemented with a linear search O n which will linearly slow down as prime_array grows. Where the array_key_exists.. O n but really close to O 1 this is because of linear polling in collisions but because the chance of collisions is..
Multithreading/Parallel Processing in PHP http://stackoverflow.com/questions/2678761/multithreading-parallel-processing-in-php from data queried from a MySQL DB. Currently it is linear in processing in that it gets the data back from MySQL reads..
Generate Random Numbers with Probabilistic Distribution http://stackoverflow.com/questions/3109670/generate-random-numbers-with-probabilistic-distribution the first quadrant... I'm just blanking on how to turn a linear even distribution of random numbers into a hyperbolic distribution..
PHP get index of last inserted item in array http://stackoverflow.com/questions/3275082/php-get-index-of-last-inserted-item-in-array slow on large array except for one by VolkerK . Here is a linear FAST solution to the problem in a simple function end a last_id..
Using usort in php with a class private function http://stackoverflow.com/questions/6053994/using-usort-in-php-with-a-class-private-function is not so complicated This is what i had before in my linear code function merchantSort a b return .... stuff array array..
Creating a threaded private messaging system like facebook and gmail http://stackoverflow.com/questions/6420264/creating-a-threaded-private-messaging-system-like-facebook-and-gmail a flat thread where every message goes to the end of the linear stream of messages or you can have a tree shaped thread where..
Search matrix for all rectangles of given dimensions (select blocks of seats) http://stackoverflow.com/questions/6945105/search-matrix-for-all-rectangles-of-given-dimensions-select-blocks-of-seats say 3x5. You can do this very efficiently by two pass linear O n time algorithm n being number of seats 1 in a first pass..
PHP: Loop through multidimensional array and establish parent-child relationships between array items http://stackoverflow.com/questions/8685825/php-loop-through-multidimensional-array-and-establish-parent-child-relationship functions Generate your multidimensional array from the linear array function GenerateNavArray arr parent 0 pages Array foreach..
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