Characters limitation will helps to display limited number of characters to display. [php] function limit_characters( $str, $n ) { if ( strlen ( $str ) <= $n ) { return $str; } else { return substr ( $str, 0, $n ) . ‘…’; } } [/php]
September 2011 archive
Permanent link to this article: https://blog.openshell.in/2011/09/php-characters-limitation/
Sep 23
Resize image in specified height & width while upload
Resizing images in specified height & width while uploading files to the server. [php] /* Create a thumbnail of $srcFile and save it to $destFile. The thumbnail will be $width pixels. */ function createThumbnail($srcFile, $destFile, $new_w, $new_h, $quality = 75) { $thumbnail = ”; if (file_exists($srcFile) && isset($destFile)) { $size = getimagesize($srcFile); $old_x = $size[0]; …
Permanent link to this article: https://blog.openshell.in/2011/09/resize-image-in-specified-height-width-while-upload/
Sep 20
PHP Automatic Session Logout
Automatic logout script if users have inactive more than 15 minutes [php] <?php session_start(); $inactive = 900; // Set timeout period in seconds if (isset($_SESSION[‘timeout’])) { $session_life = time() – $_SESSION[‘timeout’]; if ($session_life > $inactive) { session_destroy(); header("Location: logoutpage.php"); } } $_SESSION[‘timeout’] = time(); ?> [/php]
Permanent link to this article: https://blog.openshell.in/2011/09/php-automatic-session-logout/
Sep 19
PHP MYSQL ORDER BY Multiple Columns
If you want to Order 2 or more columns in SQL Query. When ordering by more than one column, the second column is only used if the values are identical with the onces in the first column. Example [sql] ‘Order by Column ORDER BY COLUMN1, COLUMN2 [/sql] Order 2 or more columns with different orders …
Permanent link to this article: https://blog.openshell.in/2011/09/php-mysql-order-by-multiple-columns/