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Is PHP's count() function O(1) or O(n) for arrays?
Does count() really count the all the elements of a PHP array, or is this value cached somewhere and just gets retrieved?
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Try/Catch block in PHP not catching Exception
...s someone else in the same situation.
I had my exception in my namespace called A and the script was in a namespace called B. The problem was that I had A\MyException which equals (in PHP) \B\A\MyException (because my script is in the namespace called B!). All I had to do to fix it was to add backs...
ElasticSearch, Sphinx, Lucene, Solr, Xapian. Which fits for which usage? [closed]
...I went ahead and created it in the first place :).
Using pure Lucene is challenging. There are many things that you need to take care for if you want it to really perform well, and also, its a library, so no distributed support, it's just an embedded Java library that you need to maintain.
In term...
Unicode character in PHP string
... the \uxxxx Unicode syntax so you can use json_decode to work on an artifically created JSON string representation. I changed the wording though to have that clarified.
– Stefan Gehrig
May 19 '11 at 12:48
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Fastest way to convert string to integer in PHP
... 0.42208
intval("hello"): 0.93678 (222%)
On average, calling intval() is two and a half times slower, and the difference is the greatest if your input already is an integer.
I'd be interested to know why though.
Update: I've run the tests again, this time with coercion (0 + ...
安装Adobe cs6出错：“please uninstall and reinstall the product” - 更...
...误---------------------------请卸载并重新安装该产品。如果此问题仍然存在，请与 Adobe 技术支持联...---------------------------
配置错误
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请卸载并重新安装该产品。
如果此问题仍然存在，请与 Adobe 技术支持联系...
Change the maximum upload file size
I have a website hosted on a PC I have no access to. I have an upload form allowing people to upload mp3 files up to 30MB big. My server side script is done in PHP.
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How to make asynchronous HTTP requests in PHP
Is there a way in PHP to make asynchronous HTTP calls? I don't care about the response, I just want to do something like file_get_contents() , but not wait for the request to finish before executing the rest of my code. This would be super useful for setting off "events" of a sort in my application...
+ operator for array in PHP?
...ced by php.net doesn't have a formal spec, but both the + and array_merge call zend_hash_merge under the hood. This is also expected, since in PHP arrays are implemented as ordered hash maps.
– bishop
May 19 '15 at 18:34
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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();
//...