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Why use sprintf function in PHP?
I am trying to learn more about the PHP function sprintf() but php.net did not help me much as I am still confused, why would you want to use it?
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Resumable downloads when using PHP to send the file?
We are using a PHP scripting for tunnelling file downloads, since we don't want to expose the absolute path of downloadable file:
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Describe the architecture you use for Java web applications? [closed]
.... We used to do checked exceptions, but with the introduction of Spring I see the benefits of unchecked exceptions, only handling exceptions when you can. It avoids a lot of boilerplate "catch/rethrow" or "throws" stuff.
Sorry it's shorter than your post, hope you find this interesting...
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isset() and empty() - what to use
... $var; (a variable declared, but without a value in a class)
From http://php.net/manual/en/function.empty.php
As mentioned in the comments the lack of warning is also important with empty()
PHP Manual says
empty() is the opposite of (boolean) var, except that no warning is
generated when...
How do I implement basic “Long Polling”?
...rror 404 (to show error handling in the coming Javascript example)
msgsrv.php
<?php
if(rand(1,3) == 1){
/* Fake an error */
header("HTTP/1.0 404 Not Found");
die();
}
/* Send a string after a random number of seconds (2-10) */
sleep(rand(2,10));
echo("Hi! Have a random number: " . ...
Adding HTML entities using CSS content
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The leading zeroes are superfluous, see CSS 2.1: 4.3.7 Strings. '>\a0' suffices.
– PointedEars
Dec 21 '11 at 19:35
20
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HTTP authentication logout via PHP
...lso works (a "disconnect" link to this URL) instead of an http redirect in PHP... any downside to that?
– moala
Mar 21 '12 at 13:40
4
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Convert PHP closing tag into comment
One of the lines in my script contains a PHP closing tag inside a string. Under normal operation this does not cause a problem, but I need to comment out the line.
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How to call a function from a string stored in a variable?
... Thank you guys, for the replies, it indeed throws an error, even in php 5.4, so that syntax only works with object methods. Edited the post.
– Lajos Meszaros
Feb 3 '14 at 10:10
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Get random item from array [duplicate]
...y pick youtube video from playlist on page load and is working great: <?php $videos = Array(0,1,2,3); echo $videos[array_rand($videos)]; ?>
– ioTus
Jul 3 '14 at 6:07
64
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