I was given an array like this array(1,5,3,4,2); Say k=2, I’m supposed to find out the count of pairs whose difference is 2. In this case it should return 3 because 5-3, 4-2, 3-1 Here’s what I have …
How to properly merge multiple collections in Laravel
I want to merge multiple collections into one. I do have a solution, which is the following: This actually does work, but I run into problems in cases where some or all of the collections contain no objects. I get an error along the lines of call to merge() on non object. I actually tried to create an array o…
Php display_errors
I’m trying to make php show errors, right now all I get is a blank page. I’ve tried changing the php.ini file that seems to be the php configuration file but to no success. Could it be that phpinfo() …
Passing $_POST/$_GET as a parameter to function
I came across an interesting piece of PHP code which has me a bit stumped as to why the author has chosen to do this. It got me thinking about why someone would want to pass $_POST as a variable and just not access it directly inside the function? The only benefit I could think of (and this was a
Generate absolute URL with specific scheme in Symfony2
I want to generate an absolute URL with a specific scheme (https) in a Symfony2 controller. All the solutions I found point me to configure the targeted route so that it requires that scheme. But I …
How to extract in a text file only the needed data and save it to csv using php
I was given a text file that contains more than a hundred of rows with 6 columns but the data that i need are on column 3 and 6 and save it to a csv file. The text file contains like this: By the way the text file came from a biometrics thumb print machine that records the following data
Execute Laravel/Symfony/Artisan Command in Background
I need to execute a Laravel long running process in the background for consuming the Twitter Streaming API. Effectively the php artisan CLI command I need to run is nohup php artisan startStreaming &…
PHP Mocking Final Class
I am attempting to mock a php final class but since it is declared final I keep receiving this error: PHPUnit_Framework_Exception: Class “DoctrineORMQuery” is declared “final” and cannot be mocked. Is there anyway to get around this final behavior just for my unit tests without introdu…
Pushing a sub array into the same array
I am trying to put content of one array into the same array. Here I have an array $mclass with values such as You can see I have room_id index with 1,3,5 value. Now, I want to explode the room_id and get duplicate of same array index data with change of room_id and push into the array. and finally delete
Show a 404 page if route not found in Laravel 5.1
I am trying to figure out to show 404 page not found if a route is not found. I followed many tutorials, but it doesn’t work. I have 404.blade.php in laravelresourcesviewserrors Also in handler….