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PHP Get all subdirectories of a given directory

... if($file->isDir()) { echo strtoupper($file->getRealpath()), PHP_EOL; } } Replace strtoupper with your desired function. share | improve this answer | fol...
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The character encoding of the HTML document was not declared

...ur HTML tags and doctype go away. You need to include those in your insert.php file: <!DOCTYPE html PUBLIC"-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="content-type" ...
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PHP's array_map including keys

... Here's my very simple, PHP 5.5-compatible solution: function array_map_assoc(callable $f, array $a) { return array_column(array_map($f, array_keys($a), $a), 1, 0); } The callable you supply should itself return an array with two values, i.e. r...
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Most efficient way to concatenate strings?

...e expected semantics of a 'string join' operation). Next, given the total allocation size of the final string, the biggest boost in performance is gained by building the result string in-place. Doing this requires the (perhaps controversial) technique of temporarily suspending the immutability of a...
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“Application tried to present modally an active controller”?

...trollers instantiated like so: UIViewController* vc1 = [[UIViewController alloc] init]; UIViewController* vc2 = [[UIViewController alloc] init]; UIViewController* vc3 = [[UIViewController alloc] init]; You have added them to a tab bar like this: UITabBarController* tabBarController = [[UITabBarC...
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Returning first x items from array

... 6); array_splice($input, 5); // $input is now array(1, 2, 3, 4, 5) From PHP manual: array array_splice ( array &$input , int $offset [, int $length = 0 [, mixed $replacement]]) If length is omitted, removes everything from offset to the end of the array. If length is specified and is posit...
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Removing trailing newline character from fgets() input

... helpful answer. Can we use strlen(buffer) when buffer size is dynamically allocated using malloc ? – rrz0 Nov 10 '18 at 10:16 ...
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Unexpected results when working with very big integers on interpreted languages

...et the sum of 1 + 2 + ... + 1000000000 , but I'm getting funny results in PHP and Node.js . 36 Answers ...
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Sending multipart/formdata with jQuery.ajax

I've got a problem sending a file to a serverside PHP-script using jQuery's ajax-function. It's possible to get the File-List with $('#fileinput').attr('files') but how is it possible to send this Data to the server? The resulting array ( $_POST ) on the serverside php-script is 0 ( NULL ) when us...
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JavaScript: client-side vs. server-side validation

...eous calls to check if unique; if unique, also reserve it with a temporary token assigned to the client that is also released if a different username is tested by the same session ID. The token should expire after a reasonable time. Example: TicketMaster seat reserve. – Elaskan...