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PHP Difference between array() and []

I'm writing a PHP app and I want to make sure it will work with no errors. 5 Answers 5...
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How to know which version of Symfony I have?

...s the console, try reading symfony/src/Symfony/Component/HttpKernel/Kernel.php, where the version is hardcoded, for instance: const VERSION = '2.2.0'; Just in case you are wondering, console creates an instance of Symfony\Bundle\FrameworkBundle\Console\Application. In this class construct...
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php: determine where function was called from

is there a way to find out, where a function in PHP was called from? example: 8 Answers ...
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Java String array: is there a size of method?

I come from a php background and in php, there is an array_size() function which tells you how many elements in the array are used. ...
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curl POST format for CURLOPT_POSTFIELDS

... EDIT: From php5 upwards, usage of http_build_query is recommended: string http_build_query ( mixed $query_data [, string $numeric_prefix [, string $arg_separator [, int $enc_type = PHP_QUERY_RFC1738 ]]] ) S...
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New self vs. new static

I am converting a PHP 5.3 library to work on PHP 5.2. The main thing standing in my way is the use of late static binding like return new static($options); , if I convert this to return new self($options) will I get the same results? ...
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What does a \ (backslash) do in PHP (5.3+)?

What does a \ do in PHP? 4 Answers 4 ...
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Create a folder if it doesn't already exist

...st( $wrapper, $target ) = explode( '://', $target, 2 ); } // from php.net/mkdir user contributed notes $target = str_replace( '//', '/', $target ); // put the wrapper back on the target if( $wrapper !== null ) { $target = $wrapper . '://' . $target; } // safe m...
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Remove empty array elements

...ments that are i.e. exact string '0', you will need a custom callback: // PHP 7.4 and later print_r(array_filter($linksArray, fn($value) => !is_null($value) && $value !== '')); // PHP 5.3 and later print_r(array_filter($linksArray, function($value) { return !is_null($value) && $...
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Explaining difference between automaticallyAdjustsScrollViewInsets, extendedLayoutIncludesOpaqueBars

...it with an example: UIViewController *viewController = [[UIViewController alloc] init]; viewController.view.backgroundColor = [UIColor redColor]; UINavigationController *mainNavigationController = [[UINavigationController alloc] initWithRootViewController:viewController]; Here you are not setting...