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What does PHP keyword 'var' do?

...'t been able to find the answer neither through web search engines, nor on php.net. Please just direct me to where I can read about this, if you haven't got time to explain. ...
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Laravel orderBy on a relationship

... It is possible to extend the relation with query functions: <?php public function comments() { return $this->hasMany('Comment')->orderBy('column'); } [edit after comment] <?php class User { public function comments() { return $this->hasMany('Comment');...
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Casting vs using the 'as' keyword in the CLR

...d within the if body.) That's slightly annoying in some cases, so if you really care about introducing the smallest number of variables possible in every scope, you might still want to use is followed by a cast. I don't think any of the answers so far (at the time of starting this answer!) have r...
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Are unused CSS images downloaded?

...e="text/css"> .nonexistent { background: url('index.php?foo'); } </style> </head> <body> <?php if(isset($_GET['foo'])) { file_put_contents('test.txt', $_SERVER['HTTP_USER_AGENT']); } ?> </body> </html> If te...
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How to check whether mod_rewrite is enable on server?

... To check if mod_rewrite module is enabled, create a new php file in your root folder of your WAMP server. Enter the following phpinfo(); Access your created file from your browser. CtrlF to open a search. Search for 'mod_rewrite'. If it is enabled you see it as 'Loaded Modules' I...
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Pros and Cons of Interface constants [closed]

PHP interfaces allow the definition of constants in an interface, e.g. 2 Answers 2 ...
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How to make a class property? [duplicate]

...az.bar == 50 assert foo.bar == 50 The setter didn't work at the time we call Bar.bar, because we are calling TypeOfBar.bar.__set__, which is not Bar.bar.__set__. Adding a metaclass definition solves this: class ClassPropertyMetaClass(type): def __setattr__(self, key, value): if key ...
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Writing a Python list of lists to a csv file

...It kinda makes sense in hindsight, but not informative of where to look at all. – Rambatino May 25 '18 at 7:30 ...
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How can I get a file's size in C? [duplicate]

...w the filename), or fstat (if you have the file descriptor). Here is an example for stat: #include <sys/stat.h> struct stat st; stat(filename, &st); size = st.st_size; Win32: You can use GetFileSize or GetFileSizeEx. ...
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Best Practices for Laravel 4 Helpers and Basic Functions?

... The ugly, lazy and awful way: At the end of bootstrap/start.php , add an include('tools.php') and place your function in that new file. The clean way: Create a library. That way it'll be autoloaded ONLY when you actually use it. Create a libraries folder inside your app folder Crea...