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Does PHP have threading?
... threads , but there is not a release yet. And nothing is coming up on the PHP website.
13 Answers
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PHP exec() vs system() vs passthru()
... portability has to be sacrificed for functionality. There are some things PHP just can't do well.
– Frank Crook
Apr 9 '09 at 5:10
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Are global variables in PHP considered bad practice? If so, why?
In my small PHP projects I usually go the procedural way. I generally have a variable that contains the system configuration, and when I nead to access this variable in a function, I do global $var; .
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PHP parse/syntax errors; and how to solve them
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What are the syntax errors?
PHP belongs to the C-style and imperative programming languages. It has rigid grammar rules, which it cannot recover from when encountering misplaced symbols or identifiers. It can't guess your coding intentions.
Most impo...
Tracking the script execution time in PHP
PHP must track the amount of CPU time a particular script has used in order to enforce the max_execution_time limit.
18 A...
How do I read any request header in PHP
How should I read any header in PHP?
15 Answers
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Preferred method to store PHP arrays (json_encode vs serialize)
...pp but the vast majority of the time I will be using the array directly in PHP.
20 Answers
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How do you parse and process HTML/XML in PHP?
...prefer using one of the native XML extensions since they come bundled with PHP, are usually faster than all the 3rd party libs and give me all the control I need over the markup.
DOM
The DOM extension allows you to operate on XML documents through the DOM API with PHP 5. It is an implementation...
How to get an array of specific “key” in multidimensional array without looping
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Since php 5.5, you can use array_column:
$ids = array_column($users, 'id');
This is the preferred option on any modern project. However, if you must support php > 5.5, the following alternatives exist:
Since php 5.3, you can...
RSA 算法是如何诞生的 - 创意 - 清泛网 - 专注C/C++及内核技术
RSA 算法是如何诞生的最近为了研究某个极其无聊的问题，读了一些公钥加密的历史，意外地发现这段历史竟然非常有趣。尤其是 RSA 算法的诞生过程，被很多书写得...最近为了研究某个极其无聊的问题，读了一些公钥加密的历史...