PHP 5 Recipes A Problem-Solution Approach PHẦN 1 docx

... type and then assign a value to it (as in languages such as C++ and Java), PHP automatically assigns a data type to a variable when a value is allocated to it. This makes PHP rather simple to ... Page 1 1 -1. Variables Variables in PHP are handled somewhat differently than in other similar programming lan- guages. Rather than forcing the developer to assign a given variable...

Ngày tải lên: 06/08/2014, 08:22

... (as in languages such as C++ and Java), PHP automatically assigns a data type to a variable when a value is allocated to it. This makes PHP rather simple to use when declaring variables and inputting ... assigning both associative arrays and regular arrays in PHP is easy. PHP arrays start the index at zero, as most programming languages do. Indexing arrays is just as easy; PHP...

Ngày tải lên: 12/08/2014, 16:20

... 'supervisor', 'assistant manager', 'manager'); public static $payRates = array (5, 8. 25, 12 . 45, 17 .5) ; Try making this modification to Employee, and you will find that the example code ... *squawk* Polynesia curses like a sailor. Tweety is a canary and costs $ 15 . 00. Tweety says: *chirp* Tweety says: *twitter* Carla is a canary and costs $ 15 . 00....

Ngày tải lên: 06/08/2014, 08:22

... this: array( 'country' => array('Spain', 'France', 'Argentina', 'UK', 'Germany', 'Canada', 'Austria', 'Mexico'), 'language' ... value of an array's elements # prototype (returns a number or FALSE if an average cannot be calculated): # mixed array_average(array $array) function array_a...

Ngày tải lên: 06/08/2014, 08:22

... 13 :30:00', &apos ;10 Sep 19 84 09: 15 : 45& apos;, TRUE'); ?> This is the output: Date 1: Wed, 12 Sep 19 84 13 :30:00 +10 00 Date2: Mon, 10 Sep 19 84 09: 15 : 45 +10 00 Array ( [seconds] => 15 [minutes] ... can find in the code download for this book as ch5/Date-Extended.class.inc .php. 5- 13 ■ EXTENDING THE DATE CLASS 2 51 50 92_Ch 05_ FINAL 8/26/ 05 9 : 51 AM...

Ngày tải lên: 06/08/2014, 08:22

... and paragraphs) as it runs through the file. Assume a paragraph is separated by an end line charac- ter, and a word is separated by a blank character. Naturally, you will accept any character for the character ... $e->getmessage(); } ?> 7 -5 ■ READING AND WRITING COMMA-SEPARATED DATA 299 50 92_Ch07_FINAL 8/26/ 05 9 :53 AM Page 299 Basically, str_split() returns an array filled...

Ngày tải lên: 06/08/2014, 08:22

... .]?(\d{4})$/"; $values = array( "80 055 512 34", // (800) 55 5 -12 34 "800 .55 5 .12 34", // (800) 55 5 -12 34 "800 -55 5 -12 34", // (800) 55 5 -12 34 "800 .55 5 .12 34", // (800) 55 5 -12 34 "800 ... canvas. if ($animage = imagecreate (50 0, 50 0)){ //Now, let's allocate the background color and line color. $white = imagecoloralloc...

Ngày tải lên: 06/08/2014, 08:22

... Example 10 -8 -1 .php $fruits = array( 'apple', 'orange', 'pear', 'apricot', 'apple', 'apricot', 'orange', 'orange' ); $str ... less than or equal to $b $a >= $b Greater than or equal to True if $a is greater than or equal to $b 10 -2 ■ ASSIGNING AND COMPARING 399 50 92_Ch10_FINAL 8/26/ 05 9 :56 AM Pag...

Ngày tải lên: 06/08/2014, 08:22

... "test"; 12 -2 ■ READING COOKIES 455 50 92_Ch12_FINAL 8/26/ 05 9 :58 AM Page 455 The Code < ?php //sample12_4 .php / /A class to manage a very simple cookie set. class cookieclass { private $cookiename; private ... Works As you can see, this class makes it easy to create, maintain, and output a cookie. Having the functionality available to you from an easy-to-manage ob...

Ngày tải lên: 06/08/2014, 08:22

... and other parts of the document are parsed by the engine. 51 3 CHAPTER 14 ■ ■ ■ 50 92_Ch14_FINAL 8/26/ 05 9 :59 AM Page 51 3 50 92_Ch13_FINAL 8/26/ 05 9 :58 AM Page 51 2 RSS feeds are available from a ... $story->getElementsByTagName("url"); foreach($urls as $url) { echo $url->nodeValue . "\n"; } } ?> 14 -5 ■ PARSING XML 52 5 50 92_Ch14_FINAL 8/26/...

Ngày tải lên: 06/08/2014, 08:22