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Is there any particular difference between intval and casting to int - `(int) X`?
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(int) is faster than intval(), according to wiki.phpbb.com/Best_Practices:PHP
– Martin Thoma
Sep 1 '11 at 11:33
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How can I select and upload multiple files with HTML and PHP, using HTTP POST?
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This is possible in HTML5. Example (PHP 5.4):
<!doctype html>
<html>
<head>
<title>Test</title>
</head>
<body>
<form method="post" enctype="multipart/form-data">
<input ...
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 ...
Regex: match everything but specific pattern
...thing but a string starting with a specific pattern (specifically index.php and what follows, like index.php?id=2342343 )
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Best way to initialize (empty) array in PHP
...creation and instantiation. I wonder whether there are any equivalences in PHP?
8 Answers
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getenv() vs. $_ENV in PHP
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According to the php documentation about getenv, they are exactly the same, except that getenv will look for the variable in a case-insensitive manner. Most of the time it probably doesn't matter, but one of the comments on the documentation...
?: operator (the 'Elvis operator') in PHP
I saw this today in some PHP code:
5 Answers
5
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Fastest way to check if a string is JSON in PHP?
... It's worth noting that this works correctly in theory. Unfortunately PHP's json_decode function has a number of bugs, which will allow invalid JSON to be parsed in odd ways. isJson('0123') should return false because 0123 is not JSON, however isJson('123') should return true because 123 is JSO...
How can javascript upload a blob?
...fd.append('data', soundBlob);
$.ajax({
type: 'POST',
url: '/upload.php',
data: fd,
processData: false,
contentType: false
}).done(function(data) {
console.log(data);
});
You need to use the FormData API and set the jQuery.ajax's processData and contentType to false.
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Removing X-Powered-By
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I think that is controlled by the expose_php setting in PHP.ini:
expose_php = off
Decides whether PHP may expose the fact that it is installed on the server (e.g. by adding its signature to the Web server header). It is no security threat in any way, but it ma...