Get The PHP Anthology, Volume II: Applications PDF

By Harry Fuecks

ISBN-10: 0957921845

ISBN-13: 9780957921849

Note: a very up-to-date & revised version of this e-book is now to be had. Please look for "The Hypertext Preprocessor Anthology, 2d variation" (ISBN: 0975841998)

A compilation of top perform options to universal internet improvement difficulties in Hypertext Preprocessor, concentrating on the success of functional targets by means of utilizing well-structured, item oriented software program layout principles.

quantity 2 covers the functions of personal home page within the actual global together with authentication & entry regulate, XML, stats & monitoring, caching information to enhance functionality, layout thoughts and layout styles. The bankruptcy on layout styles is very specified because it teaches readers approximately universal item architectures that are used to unravel universal (though specified) problems.

as well as being a great reference with over 60 customizable options, the e-book acts as an exceptional primer for item oriented Programming. Hypertext Preprocessor five has now been published and has been given major OOP beneficial properties, that are a must-learn for personal home page Developers.

All code within the publication is backwards appropriate with previous models of PHP.

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Ideally, you should use an image that has some kind of pattern on it, to make the problem of identifying the letters even more difficult. The $fHeight and $fWidth (font height and width) can be adjusted, but this really only impacts the space that appears around the characters, rather than increasing the size of the characters themselves. php (in SPLIB) (excerpt) /** * Add text to the image which is "randomized" * @param string text to add * @param int red hex value (0-255) * @param int green hex value (0-255) * @param int blue hex value (0-255) * @return boolean true text was added successfully * @access public */ function addText($text, $r=38, $g=38, $b=38) { $length = $this->fWidth * strlen($text); if ($length >= ($this->iWidth - $this->fWidth * 2)) { return FALSE; } $this->xPos = floor(($this->iWidth - $length) / 2); $fColor = ImageColorAllocate($this->image, $r, $g, $b); srand((float)microtime() * 1000000); $fonts = array(2, 3, 4, 5); $yStart = floor($this->iHeight / 2) - $this->fHeight; $yEnd = $yStart + $this->fHeight; $yPos = range($yStart, $yEnd); for ($strPos = 0; $strPos < $length; $strPos++) { shuffle($fonts); 40 Here’s One I Wrote Earlier shuffle($yPos); ImageString($this->image, $fonts[0], $this->xPos, $yPos[0], substr($text, $strPos, 1), $fColor); $this->xPos += $this->fWidth; } return TRUE; } Provided with a text string, the class will scatter the letters on the image, using a randomly varying vertical position, and a font chosen at random from a list.

Be warned, though; a new type of Internet service is becoming popular. Pioneered by Mailinator[5], these services provide users with temporary email addresses they can use for registrations. Here, we’ll put together a registration system that validates new registrants using their email addresses; they’ll receive an email that asks them to confirm their registration via a URL. More Classes! A registration system is yet another great opportunity to build more classes! com/ 25 Chapter 1: Access Control PEAR::HTML_QuickForm package (Volume I, Chapter 9) and phpmailer (Volume I, Chapter 8) to do some of the work for the registration system.

USER_TABLE_LOGIN . "='" . mysql_escape_string($row[USER_TABLE_LOGIN]) . "', " . USER_TABLE_PASSW . "='" . mysql_escape_string($row[USER_TABLE_PASSW]) . "', " . USER_TABLE_EMAIL . "='" . mysql_escape_string($row[USER_TABLE_EMAIL]) . "', " . USER_TABLE_FIRST . "='" . 32 More Classes! mysql_escape_string($row[USER_TABLE_FIRST]) . "', " . USER_TABLE_LAST . "='" . mysql_escape_string($row[USER_TABLE_LAST]) . "', " . USER_TABLE_SIGN . "='" . mysql_escape_string($row[USER_TABLE_SIGN]) . "'"; $result = $this->db->query($sql); if ($result->isError()) { return FALSE; } else { // Delete row from signup table $sql = "DELETE FROM " .

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