Here is the php timezone array. You can use this as a dropdown and set current timezone using date_default_timezone_set(‘Europe/London’); <?php $tz = array ( ‘Pacific/Apia’ => ‘[GMT-11:00] West Samoa Time (MIT)’, ‘Pacific/Niue’ => ‘[GMT-11:00] Niue Time (Pacific/ Niue)’, ‘Pacific/Tahiti’ => ‘[GMT-10:00] Tahiti Time (Pacific/ Tahiti)’, ‘HST’ => ‘[GMT-10:00] Hawaii Standard Time (HST)’, ‘America/Adak’ => ‘[GMT-10:00] […]
Continue Reading →If you want to allow sessions on all the subdomains then here are 3 options. Place this in your php.ini: session.cookie_domain = “.example.com” In your .htaccess: php_value session.cookie_domain .example.com As the first thing in your script: ini_set(‘session.cookie_domain’, ‘.example.com’ );
Continue Reading →If you want only input 0-9 and only once “.” then you can use following regex. /^-?(?:\d+|\d*\.\d+)$/ This matches normal floats e.g. 3.14, shorthands for decimal part only e.g. .5 and integers e.g. 9 as well as negative numbers. echo preg_match(‘/^-?(?:\d+|\d*\.\d+)$/’, ‘123.12’); // return 1 echo preg_match(‘/^-?(?:\d+|\d*\.\d+)$/’, ‘123.12.2’); // return 0
Continue Reading →If you want to make a site where users can submit files, and then randomly view one by one on another page then, you can use the following function. Here, I have a directory called “uploads” where the files are submitted. Here, you can use glob or opendir() to get all files in a directory, […]
Continue Reading →There is a simple PHP script to redirect a user from the page they entered to a different web page. The main reason to do this is that the page they are trying to access no longer exists or no permission to enter. Using this method, they can be seamlessly transferred to the new page […]
Continue Reading →There is an easy way to delete an element from a php array. It is unset. <?php $x = array(1, 2); unset($x[0]); var_dump($x); ?> result is, array(1) { [1]=> int(2) } unset (PHP 4, PHP 5) unset — Unset a given variable void unset ( mixed $var [, mixed $… ] ) unset() destroys the specified variables. The behavior of unset() inside of a function can […]
Continue Reading →MIME type for JSON is application/json. AFIK IANA has officially registered a MIME type for JSON as application/json in RFC4627, and also is listed in the Internet Media Type list.
Continue Reading →Q: In PHP 5, what is the difference between using self and $this? A: Use $this to refer to the current object. Use self to refer to the current class. In other words, use $this->member for non-static members, use self::$member for static members. I recall that parent::member() is used to call a base class member […]
Continue Reading →