大约有 40,000 项符合查询结果（耗时：0.0374秒） [XML]
@ character before a function call
What is the difference between these two function calls in PHP?
5 Answers
5
...
How to var_dump variables in twig templates?
... layer pattern where you only present what you have been given is fine and all, but how do you know what is available? Is there a "list all defined variables" functionality in TWIG? Is there a way to dump a variable?
...
In PHP with PDO, how to check the final SQL parametrized query? [duplicate]
...rametrized query, how can you check the final query (after having replaced all tokens)?
9 Answers
...
What are Long-Polling, Websockets, Server-Sent Events (SSE) and Comet?
... a lot about websockets (with socket.io [a
node.js library]) but why not PHP ?
You can use PHP with WebSockets, check out Ratchet.
share
|
improve this answer
|
follow
...
“Cannot send session cache limiter - headers already sent” [duplicate]
... modifications to them now.
Check that you don't send ANY content before calling session_start. Better yet, just make session_start the first thing you do in your PHP file (so put it at the absolute beginning, before all HTML etc).
...
AngularJS passing data to $http.get request
...imply add the parameters to the end of the url:
$http.get('path/to/script.php?param=hello').success(function(data) {
alert(data);
});
Paired with script.php:
<? var_dump($_GET); ?>
Resulting in the following javascript alert:
array(1) {
["param"]=>
string(4) "hello"
}...
JavaScript chop/slice/trim off last character in string
...viously using the substring version. Thanks!
– Matt Ball
Apr 13 '10 at 14:09
33
forgive me if I'm...
Sort array of objects by object fields
...gt;name, $b->name);
}
usort($your_data, "cmp");
You can also use any callable as the second argument. Here are some examples:
Using anonymous functions (from PHP 5.3)
usort($your_data, function($a, $b) {return strcmp($a->name, $b->name);});
From inside a class
usort($your_data, arr...
Iterate over object attributes in python
...foo = 1
... bar = 'hello'
... def func(self):
... return 'call me'
...
>>> obj = Cls()
calling dir on the object gives you back all the attributes of that object, including python special attributes. Although some object attributes are callable, such as methods.
>>&...
Print newline in PHP in single quotes
...
That's not the right reasoning. It's no because in PHP you can not express a new-line character in single quotes. And that's it. Reading the manual could have helped :)
– hakre
May 21 '13 at 9:35
...