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Reference - What does this error mean in PHP?
... about warnings, errors, and notices you might encounter while programming PHP and have no clue how to fix them. This is also a Community Wiki, so everyone is invited to participate adding to and maintaining this list.
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Display numbers with ordinal suffix in PHP
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PHP has built-in functionality for this. It even handles internationalization!
$locale = 'en_US';
$nf = new NumberFormatter($locale, NumberFormatter::ORDINAL);
echo $nf->format($number);
Note that this functionality is ...
Refresh image with a new one at the same url
... '<img src="image.jpg?m=' . filemtime('image.jpg') . '">';
(That's PHP server-side code, but the important point here is just that a ?m=[file last-modified time] querystring is appended to the filename).
Pros: 100% reliable, quick & easy to understand and implement, and preserves cachin...
Deprecated: mysql_connect()
... solutions to your problem.
The way with MySQLi would be like this:
<?php
$connection = mysqli_connect('localhost', 'username', 'password', 'database');
To run database queries is also simple and nearly identical with the old way:
<?php
// Old way
mysql_query('CREATE TEMPORARY TABLE `tabl...
Any way to break if statement in PHP?
Is there any command in PHP to stop executing the current or parent if statement, same as break or break(1) for switch / loop . For example
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ios app maximum memory budget
... It's just that we wanted to put as much stuff as we could (graphics & sounds). Artists will always want to put as much as they possibly can into a game that's why I want to limit them with a budget. I guess we'll just have to test on many different devices in different settings to find a r...
C++ lambda with captures as a function pointer
... lambdas and their implicit conversion to function pointers. My starting example was using them as callback for the ftw function. This works as expected.
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What is copy-on-write?
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I found this good article about zval in PHP, which mentioned COW too:
Copy On Write (abbreviated as ‘COW’) is a trick designed to save memory. It is used more generally in software engineering. It means that PHP will copy the memory (or allocate new memory ...
What is in your Mathematica tool bag? [closed]
...or of GatherBy:
SelectEquivalents[x_List,f_:Identity, g_:Identity, h_:(#2&)]:=
Reap[Sow[g[#],{f[#]}]&/@x, _, h][[2]];
This allows me to group lists by any criteria and transform them in the process. The way it works is that a criteria function (f) tags each item in the list, each item...
In a PHP project, what patterns exist to store, access and organize helper objects? [closed]
...like the database engine, user notification, error handling and so on in a PHP based, object oriented project?
8 Answers
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