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| PDF Title : | Learning PHP, MySQL & JavaScript, 5th Edition |
|---|---|
| Total Page : | 829 Pages |
| Author: | Robin Nixon |
| PDF Size : | 17.1 MB |
| Language : | English |
| Source : | oreilly.com |
| PDF Link : | Available |
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Learning PHP, MySQL & JavaScript, 5th Edition
The array_intersect function extracts all members common to both arrays and returns a new array containing only those people. This array is then stored in $mutual.
Now it’s possible to use the array_diff function for each of the $followers and $following arrays to keep only those people who are not mutual friends, like this:
$followers = array_diff($followers, $mutual);
$following = array_diff($following, $mutual);