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What does yield mean in PHP?
...reach (xrange(1, 10) as $key => $value) {
echo "$key => $value", PHP_EOL;
}
This would create the following output:
0 => 1
1 => 2
…
9 => 10
You can also control the $key in the foreach by using
yield $someKey => $someValue;
In the generator function, $someKey is whate...
PHP calculate age
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This works fine.
<?php
//date in mm/dd/yyyy format; or it can be in other formats as well
$birthDate = "12/17/1983";
//explode the date to get month, day and year
$birthDate = explode("/", $birthDate);
//get age from date or birthdate...
Reference: Comparing PHP's print and echo
What is the difference between PHP's print and echo ?
1 Answer
1
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Reading an Excel file in PHP [closed]
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I use PHP-ExcelReader to read xls files, and works great.
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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...
PHP and Enumerations
I know that PHP doesn't have native Enumerations. But I have become accustomed to them from the Java world. I would love to use enums as a way to give predefined values which IDEs' auto-completion features could understand.
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How do I immediately execute an anonymous function in PHP?
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For PHP7: see Yasuo Ohgaki's answer: (function() {echo 'Hi';})();
For previous versions: the only way to execute them immediately I can think of is
call_user_func(function() { echo 'executed'; });
...
How can I get file extensions with JavaScript?
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@Jackson Considering this is a site for offering multiple solutions to a problem, having a solution which optimizes performance is never a bad thing. You're statement "will make no perceptible difference in any application" is completely based on your narr...
PHP function overloading
Coming from C++ background ;)
How can I overload PHP functions?
10 Answers
10
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How do you Encrypt and Decrypt a PHP String?
...s question made this mistake; as do many cryptography libraries written in PHP.
You should avoid implementing your own cryptography, and instead use a secure library written by and reviewed by cryptography experts.
Update: PHP 7.2 now provides libsodium! For best security, update your systems to us...