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Double not (!!) operator in PHP
What does the double not operator do in PHP?
6 Answers
6
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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
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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
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No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin '…' is therefor
...ttp://wordicious.com. (Maybe place the target URL relatively, like '/login.php', without the domain).
On a more general note:
If the problem is not a typo like the one of this question seems to be, the solution would be to add the Access-Control-Allow-Origin to the target domain. To add it, depends...
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
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$PHP_AUTOCONF errors on mac os x 10.7.3 when trying to install pecl extensions
...a. I did it like you said, suing brew and I also created a variable export PHP_AUTOCONF=/usr/bin/autoconf to be sure and it worked fine. Just edited the php.ini adding a extension=apcu.so on the end.
– Joab Mendes
Jul 22 '15 at 16:46
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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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How to save a PNG image server-side, from a base64 data string
...rings that this tool generates, into actual PNG files on the server, using PHP.
15 Answers
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Django. Override save for model
...el I'm re-size a picture. But how can I check if new picture added or just description updated, so I can skip rescaling every time the model is saved?
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What does $$ (dollar dollar or double dollar) mean in PHP?
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It's a variable's variable.
<?php
$a = 'hello';
$$a = 'world'; // now makes $hello a variable that holds 'world'
echo "$a ${$a}"; // "hello world"
echo "$a $hello"; // "hello world"
?>
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