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Shell脚本编程30分钟入门 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...（如Windows Explorer扩展开发）。
环境
shell编程跟java、php编程一样，只要有一个能编写代码的文本编辑器和一个能解释执行的脚本解释器就可以了。
OS
当前主流的操作系统都支持shell编程，本文档所述的shell编程是指Linux下的sh...
Converting an integer to a string in PHP
Is there a way to convert an integer to a string in PHP?
14 Answers
14
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Which version of CodeIgniter am I currently using?
...deIgniter version number. It's defined in: /system/codeigniter/CodeIgniter.php As of CodeIgniter 2, it's defined in /system/core/CodeIgniter.php
For example,
echo CI_VERSION; // echoes something like 1.7.1
share
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Remove empty array elements
...ments that are i.e. exact string '0', you will need a custom callback:
// PHP 7.4 and later
print_r(array_filter($linksArray, fn($value) => !is_null($value) && $value !== ''));
// PHP 5.3 and later
print_r(array_filter($linksArray, function($value) { return !is_null($value) && $...
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...
Anonymous recursive PHP functions
Is it possible to have a PHP function that is both recursive and anonymous? This is my attempt to get it to work, but it doesn't pass in the function name.
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What does a \ (backslash) do in PHP (5.3+)?
What does a \ do in PHP?
4 Answers
4
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Javascript Equivalent to PHP Explode()
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This is a direct conversion from your PHP code:
//Loading the variable
var mystr = '0000000020C90037:TEMP:data';
//Splitting it with : as the separator
var myarr = mystr.split(":");
//Then read the values from the array where 0 is the first
//Since we skipped ...
The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead [dupl
When I attempt to connect to a MySQL server from PHP, I see the following error:
1 Answer
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PHP Difference between array() and []
I'm writing a PHP app and I want to make sure it will work with no errors.
5 Answers
5...