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Create or write/append in text file

...s: $txt = "user id date"; $myfile = file_put_contents('logs.txt', $txt.PHP_EOL , FILE_APPEND | LOCK_EX); share | improve this answer | follow | ...
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PDO closing connection

... According to documentation you're correct (http://php.net/manual/en/pdo.connections.php): The connection remains active for the lifetime of that PDO object. To close the connection, you need to destroy the object by ensuring that all remaining references to it are de...
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How to loop through an associative array and get the key? [duplicate]

...do: foreach ($arr as $key => $value) { echo $key; } As described in PHP docs. share | improve this answer | follow | ...
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Client-server synchronization pattern / algorithm?

...gt; Data Syncing in Core Data Based iOS apps (http://blog.denivip.ru/index.php/2014/04/data-syncing-in-core-data-based-ios-apps/?lang=en) share | improve this answer | foll...
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What's wrong with using $_REQUEST[]?

...to the much more sensible GP (no C) order with the request_order config in PHP 5.3. Where this is not possible, I personally would avoid $_REQUEST and, if I needed a combined GET+POST array, create it manually. share ...
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PHP array delete by value (not key)

I have a PHP array as follows: 18 Answers 18 ...
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How do I send a POST request with PHP?

... CURL-less method with PHP5: $url = 'http://server.com/path'; $data = array('key1' => 'value1', 'key2' => 'value2'); // use key 'http' even if you send the request to https://... $options = array( 'http' => array( 'header' =...
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PHP Regex to get youtube video ID?

...bout anything, but they are very easy to make an error in, so if there are PHP functions specifically for what you are trying to accomplish, use those.) parse_url takes a string and cuts it up into an array that has a bunch of info. You can work with this array, or you can specify the one item you ...
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Check if $_POST exists

...ugustus Francis's answer, empty() is not correct for choice #1, because in php, the string '0' is equivalent to false - and empty() returns true for all values equivalent to false. So using empty, the code would skip printing if the value was '0'. If you want to exclude the empty string, see Augustu...
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PHP - how to create a newline character?

In PHP I am trying to create a newline character: 15 Answers 15 ...