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How can I get enum possible values in a MySQL database?
...st. You can add or change the colors in the reference table, and your sexy order forms will automatically be updated. Awesome.
Now consider the evil ENUM: how do you extract the member list? You could query the ENUM column in your table for DISTINCT values but that will only return values t...
Facebook Graph API, how to get users email?
...
// Facebook SDK v5 for PHP
// https://developers.facebook.com/docs/php/gettingstarted/5.0.0
$fb = new Facebook\Facebook([
'app_id' => '{app-id}',
'app_secret' => '{app-secret}',
'default_graph_version' => 'v2.4',
]);
$fb->setDef...
Download File to server from URL
...
Since PHP 5.1.0, file_put_contents() supports writing piece-by-piece by passing a stream-handle as the $data parameter:
file_put_contents("Tmpfile.zip", fopen("http://someurl/file.zip", 'r'));
From the manual:
If data [that ...
Force to open “Save As…” popup open at text link click for PDF in HTML
...owser display the Save As dialog
readfile($path); // This is necessary in order to get it to actually download the file, otherwise it will be 0Kb
Note that this is just an extension to the HTTP protocol; some browsers might ignore it anyway.
...
How to validate an email address in PHP
...k out this list for tests (both failed and succeeded) of the regex used by PHP's filter_var() function.
Even the built-in PHP functions, email clients or servers don't get it right. Still in most cases filter_var is the best option.
If you want to know which regex pattern PHP (currently) uses to ...
.rar, .zip files MIME Type
I'm developing a simple php upload script, and users can upload only ZIP and RAR files.
6 Answers
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Why is nginx responding to any domain name?
...erridden it with the default_server directive elsewhere.
The alphabetical order of the file names of the conf files for the other servers becomes irrelevant in this case.
In addition, this arrangement gives a lot of flexibility in that it is possible to define multiple defaults.
In my specific ca...
What is the best regular expression to check if a string is a valid URL?
...EFFFD}!\$&'\(\)\*\+,;=:@])|[\/\?])*)?)$/i
How they were compiled (in PHP):
<?php
/* Regex convenience functions (character class, non-capturing group) */
function cc($str, $suffix = '', $negate = false) {
return '[' . ($negate ? '^' : '') . $str . ']' . $suffix;
}
function ncg($str, $...
How can I get PHPUnit MockObjects to return different values based on a parameter?
...this->returnValue(...));
It's not perfect, since it requires that the order of the 2 calls to foo() is known, but in practice this probably isn't too bad.
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Tactics for using PHP in a high-load site
... bandwidth is very cheap (bigger disks) whereas multiple prepare I/O's are orders of magnitude more expensive (more servers).
INDEXING
Make sure that your queries utilize at least one index. Beware though, that indexes will cost you if you write or update frequently. There are some experimental tr...