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Saving image from PHP URL

... If you have allow_url_fopen set to true: $url = 'http://example.com/image.php'; $img = '/my/folder/flower.gif'; file_put_contents($img, file_get_contents($url)); Else use cURL: $ch = curl_init('http://example.com/image.php'); $fp = f...
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How do I get the function name inside a function in PHP?

... FUNCTION works for non-class functions as well. Tried on PHP 7.0.8. – mvsagar Jul 21 '17 at 13:58 Th...
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Best way to use PHP to encrypt and decrypt passwords? [duplicate]

...ing. You should not rely on unauthenticated encryption for security, especially since the code as provided is vulnerable to padding oracle attacks. See also: https://stackoverflow.com/a/30189841/2224584 https://stackoverflow.com/a/30166085/2224584 https://stackoverflow.com/a/30159120/2224584 Al...
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How to convert an array into an object using stdClass() [duplicate]

..., 'varsta' => 25) ); If you want to see is this stdClass object just call this print_r($clasa); If you want to convert an array to object code will be $arr = array('a'=>'apple','b'=>'ball'); $arr = (object) $arr; You don't need to use stdClass. It will automatically converted to st...
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Send an Array with an HTTP Get

...e PHP or RoR, then you need to suffix the parameter name with braces [] in order to trigger the language to return an array of values instead of a single value. foo[]=value1&foo[]=value2&foo[]=value3 $foo = $_GET["foo"]; // [value1, value2, value3] echo is_array($foo); // true In case...
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MySQL vs MongoDB 1000 reads

...very excited about MongoDb and have been testing it lately. I had a table called posts in MySQL with about 20 million records indexed only on a field called 'id'. ...
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Two-way encryption: I need to store passwords that can be retrieved

... Personally, I would use mcrypt like others posted. But there is much more to note... How do I encrypt and decrypt a password in PHP? See below for a strong class that takes care of everything for you: What is the safest algorit...
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How to use PHP OPCache?

...e is compiled by default on PHP5.5+. However it is disabled by default. In order to start using OpCache in PHP5.5+ you will first have to enable it. To do this you would have to do the following. Add the following line to your php.ini: zend_extension=/full/path/to/opcache.so (nix) zend_extension=C...
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PHP Function with Optional Parameters

...wered Oct 20 '10 at 14:32 Matt BallMatt Ball 323k8585 gold badges599599 silver badges672672 bronze badges ...
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Sort an Array by keys based on another Array?

...e this? How would you go about writing a function? Here is an example. The order is the most important thing. 15 Answers ...