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Zero-pad digits in string
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There's also str_pad
<?php
$input = "Alien";
echo str_pad($input, 10); // produces "Alien "
echo str_pad($input, 10, "-=", STR_PAD_LEFT); // produces "-=-=-Alien"
echo str_pad($input, 10, "_", STR_PAD_BOTH); // produces ...
How can I implode an array while skipping empty array items?
Perl's join() ignores (skips) empty array values; PHP's implode() does not appear to.
9 Answers
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Error message “Forbidden You don't have permission to access / on this server” [closed]
I have configured my Apache by myself and have tried to load phpMyAdmin on a virtual host, but I received:
34 Answers
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Refresh image with a new one at the same url
... '<img src="image.jpg?m=' . filemtime('image.jpg') . '">';
(That's PHP server-side code, but the important point here is just that a ?m=[file last-modified time] querystring is appended to the filename).
Pros: 100% reliable, quick & easy to understand and implement, and preserves cachin...
What is the “right” way to iterate through an array in Ruby?
PHP, for all its warts, is pretty good on this count. There's no difference between an array and a hash (maybe I'm naive, but this seems obviously right to me), and to iterate through either you just do
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How to remove .html from URL?
...OTE: If you want to remove any other extension, for example to remove the .php extension, just replace the html everywhere with php in the code above.
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How to convert PascalCase to pascal_case?
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$output = strtolower(preg_replace('/(?<!^)[A-Z]/', '_$0', $input));
PHP Demo |
Regex Demo
Note that cases like SimpleXML will be converted to simple_x_m_l using the above solution. That can also be considered a wrong usage of camel case notation (correct would be SimpleXml) rather than a b...
Symfony 2 EntityManager injection in service
... tuning would look like this:
1. Use in your services or Controller
<?php
namespace Test\CommonBundle\Services;
use Doctrine\ORM\EntityManagerInterface;
class UserService
{
private $userRepository;
// use custom repository over direct use of EntityManager
// see step 2
publi...
Download File Using jQuery
...this might not always be handful....
It is better to create a server side php-file and place this content in it:
header('Content-Type: application/octet-stream');
header('Content-Disposition: attachment; filename='.$_REQUEST['f']);
readfile('../some_folder/some_subfolder/'.$_REQUEST['f']);
exit;
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Google Maps V3 - How to calculate the zoom level for a given bounds
...LOBE_WIDTH = 256; // a constant in Google's map projection
var west = <?php echo $minLng; ?>;
var east = <?php echo $maxLng; ?>;
*var north = <?php echo $maxLat; ?>;*
*var south = <?php echo $minLat; ?>;*
var angle = east - west;
if (angle < 0) {
angle += 360;
}
*var a...