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How can I convert ereg expressions to preg in PHP?
...pha-numeric, a backslash or a whitespace character. The most used are generally ~, / and #.
You can also use matching brackets:
preg_match('[^hello]', $str);
preg_match('(^hello)', $str);
preg_match('{^hello}', $str);
// etc
If your delimiter is found in the regular expression, you have to escap...
How to secure database passwords in PHP?
When a PHP application makes a database connection it of course generally needs to pass a login and password. If I'm using a single, minimum-permission login for my application, then the PHP needs to know that login and password somewhere. What is the best way to secure that password? It seems like ...
创业第一年 太特么累了 - 资讯 - 清泛网 - 专注C/C++及内核技术
...吧？”。。。。。。；在考虑如何回答这些我都没想过的问题时，忽然感觉心里有一万只草泥马在奔腾，这货是故意来玩我的吧？再这么聊下去，估计我钱包里仅有的两百块钱也保不住，他留下还不祸害全公司的人。借口有事果...
Is PHP compiled or interpreted?
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He means the utility called php (or on windows php.exe) is compiled.
– sepp2k
Oct 3 '09 at 20:02
7
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Difference between “include” and “require” in php
...ill halt the script whereas include only emits a warning (E_WARNING) which allows the script to continue.
See @efritz's answer for an example
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Regular expression to match a word or its prefix
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Square brackets are meant for character class, and you're actually trying to match any one of: s, |, s (again), e, a, s (again), o and n.
Use parentheses instead for grouping:
(s|season)
or non-capturing group:
(?:s|season)
Note: Non-capture groups tell the engine that it doesn...
What does yield mean in PHP?
...n is effectively a more compact and efficient way to write an Iterator. It allows you to define a function (your xrange) that will calculate and return values while you are looping over it:
foreach (xrange(1, 10) as $key => $value) {
echo "$key => $value", PHP_EOL;
}
This would create t...
PHP, get file name without file extension
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No need for all that. Check out pathinfo(), it gives you all the components of your path.
Example from the manual:
$path_parts = pathinfo('/www/htdocs/index.html');
echo $path_parts['dirname'], "\n";
echo $path_parts['basename'], "\n"...
Calendar Recurring/Repeating Events - Best Storage Method
... didn't want to have a large number of rows, and I wanted to easily lookup all events that would take place on a specific date.
The method below is great at storing repeating information that occurs at regular intervals, such as every day, every n days, every week, every month every year, etc etc. ...
When to Redis? When to MongoDB? [closed]
... and MongoDB. I know they are different; the performance and the API is totally different.
10 Answers
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