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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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Getting the name of a child class in the parent class (static context)

... in short. this is not possible. in php4 you could implement a terrible hack (examine the debug_backtrace()) but that method does not work in PHP5. references: 30423 37684 34421 edit: an example of late static binding in PHP 5.3 (mentioned in comments). no...
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AngularJs $http.post() does not send data

... serialization, which unfortunately some Web server languages—notably PHP—do not unserialize natively. Works like a charm. CODE // Your app's root module... angular.module('MyModule', [], function($httpProvider) { // Use x-www-form-urlencoded Content-Type $httpProvider.defaults.header...
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Sanitizing strings to make them URL and filename safe?

...t's not clear whether this is the locale of the server or client. From the PHP docs: A "word" character is any letter or digit or the underscore character, that is, any character which can be part of a Perl "word". The definition of letters and digits is controlled by PCRE's character tabl...
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PHP validation/regex for URL

...references to some flags have been removed entirely. More info here: news.php.net/php.internals/99018 – S. Imp May 12 '17 at 21:53  |  show 1...
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@ character before a function call

What is the difference between these two function calls in PHP? 5 Answers 5 ...
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Overriding class constants vs properties

... and always refers to the class it is being executed in. If you are using php5.3+ you might try static::TEST as static:: is inheritance-aware. The difference is that static:: uses "late static binding". Find more information here: http://php.net/manual/en/language.oop5.late-static-bindings.php ...
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PDO Prepared Inserts multiple rows in single query

...ame answer as Mr. Balagtas, slightly clearer... Recent versions MySQL and PHP PDO do support multi-row INSERT statements. SQL Overview The SQL will look something like this, assuming a 3-column table you'd like to INSERT to. INSERT INTO tbl_name (colA, colB, colC) VALUES (?, ?, ...
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File Upload without Form

..., can I just send a file/files from <input type="file"> to 'upload.php' using POST method using jQuery. The input tag is not inside any form tag. It stands individually. So I don't want to use jQuery plugins like 'ajaxForm' or 'ajaxSubmit'. ...
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Running a Python script from PHP

I'm trying to run a Python script from PHP using the following command: 9 Answers 9 ...