php Programming Glossary: array_diff_key

http://stackoverflow.com/questions/11809077/how-to-sort-the-results-of-this-code

explode value Seperate each result from query wordmatch array_diff_key thenewarray array_flip newarray result array_intersect newarray..

List of Big-O for PHP functions

http://stackoverflow.com/questions/2473989/list-of-big-o-for-php-functions

for all i That's product of all the param_sizes array_diff_key O param_i_size for i 1 this is because we don't need to iterate..

Serializing PHP object to JSON

http://stackoverflow.com/questions/6836592/serializing-php-object-to-json

this implementation does copy the property array due to array_diff_key so something to consider. Also yes this does use PHP 5.4 syntax.. return array public function getToArrayProperties return array_diff_key get_object_vars this array_flip 'index' 'parent' php json..

Best way to find differences between two large arrays in PHP

http://stackoverflow.com/questions/8826908/best-way-to-find-differences-between-two-large-arrays-in-php

b a Flipping at array_flip a bt array_flip b checking d array_diff_key bt at return array_keys d I ran it using 4G memory limit. 3G.. i d i return d Because it does not call array_flip 1 time array_diff_key and array_keys . Lots of CPU cycles are saved due to this. ..