大约有 31,000 项符合查询结果（耗时：0.0144秒） [XML]
What is the difference between client-side and server-side programming?
... |
| browser | | | web server |
| (JavaScript) | | | (PHP etc.) |
| | | | |
+--------------+ | +--------------+
|
client side | server side
|
<----------
HTML,...
Check if $_POST exists
...ugustus Francis's answer, empty() is not correct for choice #1, because in php, the string '0' is equivalent to false - and empty() returns true for all values equivalent to false. So using empty, the code would skip printing if the value was '0'. If you want to exclude the empty string, see Augustu...
is_null($x) vs $x === null in PHP [duplicate]
PHP has two (that I know of, and three if you count isset() ) methods to determine if a value is null: is_null() and === null . I have heard, but not confirmed, that === null is faster, but in a code review someone strongly suggested that I use is_null() instead as it is specifically design...
Static class initializer in PHP
...
// file Foo.php
class Foo
{
static function init() { /* ... */ }
}
Foo::init();
This way, the initialization happens when the class file is included. You can make sure this only happens when necessary (and only once) by using autolo...
PHP expects T_PAAMAYIM_NEKUDOTAYIM?
...ember called $mouse, then foreach($cats as cat::$mouse) is perfectly valid php, but a statement with anything other than :: after the cat would be a syntax error. If $mouse were not a declared property of cat you would get a fatal error, but still not a syntax error.
– chiliNUT...
Avoid dropdown menu close on click inside
... edited Feb 9 '15 at 0:12
php-dev
6,05044 gold badges1717 silver badges3636 bronze badges
answered Aug 8 '14 at 4:32
...
How to extract img src, title and alt from html using php? [duplicate]
...
Just to give a small example of using PHP's XML functionality for the task:
$doc=new DOMDocument();
$doc->loadHTML("<html><body>Test<br><img src=\"myimage.jpg\" title=\"title\" alt=\"alt\"></body></html>");
$xml=simplexml_i...
Accept function as parameter in PHP
...en wondering whether is possible or not to pass a function as parameter in PHP; I want something like when you're programming in JS:
...
Converting timestamp to time ago in PHP e.g 1 day ago, 2 days ago…
... 2009-09-12 20:57:19 and turn it into something like 3 minutes ago with PHP.
30 Answers
...
How can I check if the current date/time is past a set date/time?
...
Since PHP >= 5.2.2 you can use the DateTime class as such:
if (new DateTime() > new DateTime("2010-05-15 16:00:00")) {
# current time is greater than 2010-05-15 16:00:00
# in other words, 2010-05-15 16:00:00 has pass...