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What is an .inc and why use it?
I often see examples in PHP that include.inc files. What is the meaning of .inc? What it is used for? What are the disadvantages and advantages of using it?
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PHP - find entry by object property from an array of objects
...tion and subsequent answers for more information on the latter - Reference PHP array by multiple indexes
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How do you remove an array element in a foreach loop?
... use($found_tag){
return $e != $found_tag['name'];
});
As the php documentation reads:
As foreach relies on the internal array pointer in PHP 5, changing it within the loop may lead to unexpected behavior.
In PHP 7, foreach does not use the internal array pointer.
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Simplest way to detect a mobile device in PHP
...est way to tell if a user is using a mobile device to browse my site using PHP?
15 Answers
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Determining Referer in PHP
...nd(), TRUE);
$_SESSION['token'] = $token;
$url = "http://example.com/index.php?token={$token}";
Then the index.php will look like this:
if(empty($_GET['token']) || $_GET['token'] !== $_SESSION['token'])
{
show_404();
}
//Continue with the rest of code
I do know of secure sites that do the...
PHP json_decode() returns NULL with valid JSON?
... On my server, it doesn't. And I can't call json_last_error() because it's PHP 5.2.9. That function appears on PHP 5.3.0.
– Joel A. Villarreal Bertoldi
Mar 9 '10 at 15:54
1
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json_encode sparse PHP array as JSON array, not JSON object
I have the following array in PHP:
4 Answers
4
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Remove duplicated rows using dplyr
...ction for this purpose.
Original answer below:
library(dplyr)
set.seed(123)
df <- data.frame(
x = sample(0:1, 10, replace = T),
y = sample(0:1, 10, replace = T),
z = 1:10
)
One approach would be to group, and then only keep the first row:
df %>% group_by(x, y) %>% filter(row_nu...
Are “elseif” and “else if” completely synonymous?
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From the PHP manual:
In PHP, you can also write 'else if' (in two words) and the behavior would be identical to the one of 'elseif' (in a single word). The syntactic meaning is slightly different (if you're familiar with C, this i...
Parsing domain from a URL
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Or simply: print parse_url($url, PHP_URL_HOST)) if you don't need the $parse array for anything else.
– rybo111
Aug 24 '16 at 12:03
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