Author: Hashim

Anchors Anchros ^ Start of string, or start of line in multi-line pattern \A Start of string $ End of string, or end of line in multi-line pattern \Z End of string \b Word boundary \B Not word boundary \< Start of word \> End of word Quantifiers Quantifiers * 0 or more + 1 or more ? 0 or 1 {3} Exactly 3 {3,} 3 or more {3,5} 3, 4 or 5 Character Character…

List of all important functions of mysql which are used frequently Official Website Download MySQL Cheat Sheet [.pdf] MySQL Database Quick Reference [.pdf] Data Types Types CHAR String (0 – 255) VARCHAR String (0 – 255) TINYTEXT String (0 – 255) TEXT String (0 – 65535) BLOB String (0 – 65535) MEDIUMTEXT String (0 – 16777215) MEDIUMBLOB String (0 – 16777215) LONGTEXT String (0 – 429496-7295) LONGBLOB String (0 – 429496-7295) TINYINT x Integer (-128…

PHP stands for Hypertext Preprocessor, although some people also call it Personnel Home Page. This was the full form given to it when there was no full form given to it. Later on a meaningfull full form is given to PHP  ie Hypertext Preprocessor. PHP is Server Side language . We need a Server to run the PHP code/files.In PHP’s case we use apache as a server.You can use the whole stack of (mysql+php+apache) by…

Please use the url to clear the cache, if you want to cache the url https://developers.facebook.com/tools/debug/og/object/ There is an Facebook API which uses CURL to clear cache. $url = ‘https://graph.facebook.com’; $ch = curl_init(); curl_setopt( $ch, CURLOPT_URL, $url ); curl_setopt( $ch, CURLOPT_RETURNTRANSFER, true ); curl_setopt( $ch, CURLOPT_POST, true ); $params = array( ‘id’ => ‘<Website_url>’, ‘scrape’ => true ); $data = http_build_query( $params ); curl_setopt( $ch, CURLOPT_POSTFIELDS, $data ); curl_exec( $ch ); $httpCode = curl_getinfo( $ch,…