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Bogus foreign key constraint fail

... On demand, now as an answer... When using MySQL Query Browser or phpMyAdmin, it appears that a new connection is opened for each query (bugs.mysql.com/bug.php?id=8280), making it neccessary to write all the drop statements in one query, eg. SET FOREIGN_KEY_CHECKS=0; DROP TABLE my_first_...
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Remove .php extension with .htaccess

...sion with Apache mod_rewrite should work fine. Re 1) Change the .html to .php Re a.) Yup, that's possible, just add #tab to the URL. Re b.) That's possible using QSA (Query String Append), see below. This should also work in a sub-directory path: RewriteCond %{REQUEST_FILENAME}.php -f RewriteRu...
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Creating default object from empty value in PHP?

I see this error only after upgrading my PHP environment to PHP 5.4 and beyond. The error points to this line of code: 16 A...
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Why does PHP consider 0 to be equal to a string?

... This is due to how PHP does the comparison operation that the == comparison operator denotes: If you compare a number with a string or the comparison involves numerical strings, then each string is converted to a number and the comparison p...
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What Are the Differences Between PSR-0 and PSR-4?

...rc/, with PSR-0 it means it will look for Acme\Foo\Bar in src/Acme/Foo/Bar.php while in PSR-4 it will look for it in src/Bar.php, allowing for shorter directory structures. On the other hand some prefer to have the full directory structure to clearly see what is in which namespace, so you can also s...
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How to remove “index.php” in codeigniter's path

How do I remove the "index.php" sticking out in every path in codeigniter somewhere in the center? I want clean non index.php-fied URLs ? ...
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Phpcms v9 实现首页|列表页|内容页点击量调用的代码 - 更多技术 - 清泛网 -...

Phpcms v9 实现首页|列表页|内容页点击量调用的代码1、内容页的点击量获取比较简单,一般默认模板中自带:<span id="hits">< span>...<script language="JavaScript" src="{APP_PATH}api.p...1、内容页的点击量获取比较简单,一般默认模板中自带: ...
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What is the difference between single-quoted and double-quoted strings in PHP?

I'm a little confused why I see some code in PHP with string placed in single quotes and sometimes in double quotes. 12 Ans...
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How does the SQL injection from the “Bobby Tables” XKCD comic work?

...then a second statement follows. Most frameworks, including languages like PHP, have default security settings by now that don't allow multiple statements in one SQL string. In PHP, for example, you can only run multiple statements in one SQL string by using the mysqli_multi_query function. You can...
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php is null or empty?

I have a question regarding NULL in PHP: 9 Answers 9 ...