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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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How to force the browser to reload cached CSS/JS files?
...ate suggestions from John Millikin and da5id. This solution is written in PHP, but should be easily adapted to other languages.
Update 2: Incorporating comments from Nick Johnson that the original .htaccess regex can cause problems with files like json-1.3.js. Solution is to only rewrite if there ...
Make a link use POST instead of GET
...ng more than you already have.
<form name="myform" action="handle-data.php" method="post">
<label for="query">Search:</label>
<input type="text" name="query" id="query"/>
<button>Search</button>
</form>
<script>
var button = document.querySelec...
How can I capture the result of var_dump to a string?
...
Use output buffering:
<?php
ob_start();
var_dump($someVar);
$result = ob_get_clean();
?>
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Google Authenticator available as a public service?
...o not know if there is a specific implementation for your server software (PHP, Java, .NET, etc.)
But, specifically, you don't need an offsite service to handle this.
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How to use getJSON, sending data with post method?
...o the URL. This is the way to use it:
$.postJSON("http://example.com/json.php",{ id : 287 }, function (data) {
console.log(data.name);
});
The server must be prepared to handle the callback GET parameter and return the json string as:
jsonp000000 ({"name":"John", "age": 25});
in which "json...
Best way to parse RSS/Atom feeds with PHP [closed]
...ll formed. Are there any other options for parsing RSS and Atom feeds with PHP?
10 Answers
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How can we match a^n b^n with Java regex?
...their own in the future.
The language used to develop the solution will be PHP for its conciseness. The final test once the pattern is finalized will be done in Java.
Step 1: Lookahead for assertion
Let's start with a simpler problem: we want to match a+ at the beginning of a string, but only if it...
PHP: How to use array_filter() to filter array keys?
...
PHP 5.6 introduced a third parameter to array_filter(), flag, that you can set to ARRAY_FILTER_USE_KEY to filter by key instead of value:
$my_array = ['foo' => 1, 'hello' => 'world'];
$allowed = ['foo', 'bar'];
$filte...