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PHP namespaces and “use”

... So if i create another file called bootstrap.php and place an autoloader inside along with $circle = new Circle(); It includes the Circle.php but I am getting an error: Fatal error: Class 'Shape' not found in .../Circle.php on line 6. It appears to load Circle.php but n...
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How does the keyword “use” work in PHP and can I import classes with it?

... use keyword. You have to use include/require statement. Even if you use a PHP auto loader, still autoloader will have to use either include or require internally. The Purpose of use keyword: Consider a case where you have two classes with the same name; you'll find it strange, but when you are ...
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Best way to test for a variable's existence in PHP; isset() is clearly broken

...f isset(). Since this is takes the array to check as a function argument, PHP will still raise "notices" if the array itself doesn't exist. In some cases, it can validly be argued that each dimension should have been initialised first, so the notice is doing its job. For other cases, a "recursive" ...
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PHP: How to generate a random, unique, alphanumeric string for use in a secret link?

... PHP 7 standard library provides the random_bytes($length) function that generate cryptographically secure pseudo-random bytes. Example: $bytes = random_bytes(20); var_dump(bin2hex($bytes)); The above example will output some...
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What's wrong with using $_REQUEST[]?

...to the much more sensible GP (no C) order with the request_order config in PHP 5.3. Where this is not possible, I personally would avoid $_REQUEST and, if I needed a combined GET+POST array, create it manually. share ...
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站长投放广告绝对不做的事:Google Adsense和百度联盟广告违规分析 - 更多技...

...告,这样的行为是被Google Adsense禁止的。 二、1、版权问题的网站博客禁止投放Google Adsense。主要是音乐MP3、视频、新闻组和图像结果等内容的网页上。例如电影类的网站、纯粹的新闻网站、纯粹的图片网站、引用第三方的视频...
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What is the difference between is_a and instanceof?

... Update As of PHP 5.3.9, the functionality of is_a() has changed. The original answer below states that is_a() must accept an Object as the first argument, but PHP versions >= 5.3.9 now accept an optional third boolean argument $allow_s...
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How can I store my users' passwords safely?

... MD5 ? I've just started looking into password security. I'm pretty new to PHP. 6 Answers ...
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Memcached vs APC which one should I choose? [closed]

...lways use an opcode cache, which APC is (also APC will get integrated into php6 iirc, so why not start using it now). You can/should use both for different purposes. share | improve this answer ...
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Converting a UNIX Timestamp to Formatted Date String

Using PHP, I want to convert UNIX timestamps to date strings similar to this: 2008-07-17T09:24:17Z 9 Answers ...