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Best way to initialize (empty) array in PHP
...ferent ways, with the literal grammar not being dogged by the overhead of calling a function.
PHP, on the other hand, has language constructs that may look like functions but aren't treated as such. Even with PHP 5.4, which supports [] as an alternative, there is no difference in overhead because...
What is the advantage of using heredoc in PHP? [closed]
...
The heredoc syntax is much cleaner to me and it is really useful for multi-line strings and avoiding quoting issues. Back in the day I used to use them to construct SQL queries:
$sql = <<<SQL
select *
from $tablename
where id in [$order_ids_list]
and product_na...
What is thread safe or non-thread safe in PHP?
...s implement different techniques for handling incoming HTTP requests in parallel. A pretty popular technique is using threads -- that is, the web server will create/dedicate a single thread for each incoming request. The Apache HTTP web server supports multiple models for handling requests, one of w...
PHP Composer update “cannot allocate memory” error (using Laravel 4)
... you should be committing your composer.lock file and doing a composer install on a production environment which is less resource intensive.
More details here:
https://github.com/composer/composer/issues/1898#issuecomment-23453850
...
Add a new column to existing table in a migration
... });
}
Then you can run your migrations:
php artisan migrate
This is all well covered in the documentation for both Laravel 3:
Schema Builder
Migrations
And for Laravel 4 / Laravel 5:
Schema Builder
Migrations
Edit:
use $table->integer('paid')->after('whichever_column'); to add ...
deny direct access to a folder and file by htaccess
...you can put a .htaccess file in that folder that contains just:
deny from all
That way you cannot open any file from that folder, but you can include them in php without any problems.
share
|
imp...
Remove empty array elements
... of strings, you can simply use array_filter(), which conveniently handles all this for you:
print_r(array_filter($linksArray));
Keep in mind that if no callback is supplied, all entries of array equal to FALSE (see converting to boolean) will be removed. So if you need to preserve elements that ...
How to determine the memory footprint (size) of a variable?
... This is what I've done on my Ubuntu server to enable it:
sudo apt-get install libjudy-dev libjudydebian1
sudo pecl install memprof
echo "extension=memprof.so" > /etc/php5/mods-available/memprof.ini
sudo php5enmod memprof
service apache2 restart
And then in my code:
<?php
memprof_enable();
//...
Facebook Architecture [closed]
...een scrounging for articles/info about the architecture at Facebook, the challenges & ways they tackle them. What they use & why they use. How do they scale & what are the design decisions for what they do etc. Main underpinning being to learn. Knowing about sites which handles such massive traffic ...
List all the files that ever existed in a Git repository
Do you have a clean way to list all the files that ever existed in specified branch?
4 Answers
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