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PHP - find entry by object property from an array of objects
...tion and subsequent answers for more information on the latter - Reference PHP array by multiple indexes
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Convert DateTime to String PHP
I have already researched a lot of site on how can I convert PHP DateTime object to String. I always see "String to DateTime" and not "DateTime to String"
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Can I try/catch a warning?
I need to catch some warnings being thrown from some php native functions and then handle them.
11 Answers
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What's better at freeing memory with PHP: unset() or $var = null
... name says - unset a variable. It does not force immediate memory freeing. PHP's garbage collector will do it when it see fits - by intention as soon, as those CPU cycles aren't needed anyway, or as late as before the script would run out of memory, whatever occurs first.
If you are doing $whatever ...
How can I compare two dates in PHP?
How can I compare two dates in PHP?
13 Answers
13
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How to force file download with PHP
... to require a file to be downloaded upon the user visiting a web page with PHP. I think it has something to do with file_get_contents , but am not sure how to execute it.
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How to determine the first and last iteration in a foreach loop?
...ght? Or relevant at all to this question since it involves HTML? This is a PHP question, clearly... and when it comes to mark-up semantics, it's down to a much deeper facts than "a proper blahblah is always better than blahblah (this is not even my opinion, it's pure fact)"
– D...
How to sort an array of associative arrays by value of a given key in PHP?
... = $row['price'];
}
array_multisort($price, SORT_DESC, $inventory);
As of PHP 5.5.0 you can use array_column() instead of that foreach:
$price = array_column($inventory, 'price');
array_multisort($price, SORT_DESC, $inventory);
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Create subdomains on the fly with .htaccess (PHP)
...s is done in the ServerAlias DOCs
Then extract and verify the subdomain in PHP and display the appropriate data
The long version
1. Create a wildcard DNS entry
In your DNS settings you need to create a wildcard domain entry such as *.example.org. A wildcard entry looks like this:
*.example.org....
程序员之网络安全系列（六）：动态密码 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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程序员之网络安全系列（五）：数字证书以及12306的证书问题 我们使用了数字证书，确保了对方的公钥身份，也就是互联网中确定了要访问的网站就是你要访问的网站。
但是我们如何确定要访问这个网站的用户就是要访问的用...