How to implement set theory operations in pure php?
Which operations are you looking for? What are you trying to accomplish?
In PHP an array is (imperfectly) analogous to a set, and PHP has array_intersect, array_merge (union), and array_diff (complement) functions built in. There s also array_uintersect and array_udiff for handling complex objects whose comparisons are not so straightforward.
Is there further functionality you need?
Probably you ll already saw those links:
I am trying to write a script to prevent brute-force login attempts in a website I m building. The logic goes something like this: User sends login information. Check if username and password is ...
<?php $con=mysql_connect("localhost","mts","mts"); if(!con) { die( unable to connect . mysql_error()); } mysql_select_db("mts",$con); /* date_default_timezone_set ("Asia/Calcutta"); $date = ...
I found this script online that creates a thumbnail out of a image but the thumbnail image is created with poor quality how can I improve the quality of the image. And is there a better way to create ...
如何确认来自正确来源的数字。
Most sites need some way to show the dates on the site in the users preferred timezone. Below are two lists that I found and then one method using the built in PHP DateTime class in PHP 5. I need ...
I wonder there is a way to post a message to a facebook business page with cURL? thanks
I want to create text as a watermark for an image. the water mark should have the following properties front: Impact color: white opacity: 31% Font style: regular, bold Bevel and Emboss size: 30 ...
How does php cast boolean variables? I was trying to save a boolean value to an array: $result["Users"]["is_login"] = true; but when I use debug the is_login value is blank. and when I do ...
