This article shares with you several commonly used small functions in PHP. Friends who are interested can take a look, and friends in need can also refer to it
1. Get whether the website is http or https?
1 | $http_type = ((isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on') || (isset($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https')) ? 'https://' : 'http://';
|
Copy after login
2. Delete the empty data in the array,
1 2 3 4 5 6 7 8 9 | function where_data($data)
{
foreach ($data as $k => $v) {
if (empty($v) && $v !=& #39;0') {
unset($data[$k]);
}
}
return $data;
}
|
Copy after login
3. Intercept part of the rich text
1 2 3 4 5 6 7 8 9 10 11 12 13 |
function html_substr_content($content,$length=100)
{
$content = htmlspecialchars_decode($content);
$content = str_replace( " " , "" , $content);
$content = strip_tags($content);
$con = mb_substr($content, 0, $length, "utf-8" );
return $con;
}
|
Copy after login
Related recommendations:
Super practical summary of 6 PHP function codes
(Introduction to PHP technology) 8 essential PHP function development
The above is the detailed content of PHP commonly used small functions. For more information, please follow other related articles on the PHP Chinese website!