大约有 17,000 项符合查询结果(耗时:0.0371秒) [XML]
Double not (!!) operator in PHP
What does the double not operator do in PHP?
6 Answers
6
...
Interface or an Abstract Class: which one to use?
Please explain when I should use a PHP interface and when I should use an abstract class ?
11 Answers
...
Calculate total seconds in PHP DateInterval
... +1: nice and clean! Note that getTimestamp() method is available in PHP >= 5.3.0.
– Sk8erPeter
Jun 19 '12 at 11:43
6
...
Configure WAMP server to send email
Is there a way that I can configure the WAMP server for PHP to enable the mail() function?
7 Answers
...
json_encode sparse PHP array as JSON array, not JSON object
I have the following array in PHP:
4 Answers
4
...
How to do a GitHub pull request
...y on Github's website.
$ git clone https://github.com/tim-peterson/dwolla-php.git
$ cd dwolla-php
$ git remote add upstream https://github.com/Dwolla/dwolla-php.git
$ git fetch upstream
// make your changes to this newly cloned, local repo
$ git add .
$ git commit -m '1st commit to dwolla'
$ git p...
What does $$ (dollar dollar or double dollar) mean in PHP?
...
It's a variable's variable.
<?php
$a = 'hello';
$$a = 'world'; // now makes $hello a variable that holds 'world'
echo "$a ${$a}"; // "hello world"
echo "$a $hello"; // "hello world"
?>
...
Convert DateTime to String PHP
I have already researched a lot of site on how can I convert PHP DateTime object to String. I always see "String to DateTime" and not "DateTime to String"
...
Best way to clear a PHP array's values
...o I wrote it that way because of the authors question "Best way to clear a PHP array's values". It sais 'clear', not 'new instance'. Using unset will clear $foo from the symbol table. I we are talking about very large tables I'd probably recommend $foo = null; unset($foo); since that also would clea...
Are “elseif” and “else if” completely synonymous?
...
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...
