Microsoft Word - Core PHP Programming Using PHP to Build Dynamic Web Sites

actually identifying them. The process should be invisible and should not intrude on the experience. One solution is to generate ...

replacing the image. Unfortunately, this is not possible in older browsers. The code to accomplish this may be included only for ...

connecting to a local server that contains a directory named corephp/figures in its document root. A default installation of Apa ...

an identifier. It could be referencing a record in a relational database. I've added some code to use a random number to create ...

Chapter 22. EFFICIENCY AND DEBUGGING Measuring Performance...................................................................... ...

speed of connection. Second is the time it takes for a browser to display a Web page, once it has the HTML. Neither of these thi ...

$value += (cos(time()%360)); } print("\n\n"); //write to file $fp = fopen("data.txt", "w"); for($index = 0; $index < 10000; $ ...

FROM user u, employer e WHERE u.Employer = e.ID which specifies only three columns. You can be sure, regardless of the order of ...

The biggest problem with this approach is the lack of good tools for editing the site. Developers are used to fetching files int ...

The date is in the format YYYY-MM-DD. Time is in the format HH:MM:UUUUUU. The last six digits of time are the seconds and micros ...

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Appendix A. BACKSLASH CODES The following codes may be included in strings and have special meaning when printed to the browser ...

Appendix B. ASCII CODES The following table lists the first 128 characters of the ASCII code. PHP allows for ASCII codes in the ...

34 22 " Quotation Mark 35 23 # Number Sign 36 24 $ Dollar Sign 37 25 % Percent Sign 38 26 & Ampersand 39 27 ' Apostrophe 40 ...

76 4C L Uppercase L 77 4D M Uppercase M 78 4E N Uppercase N 79 4F O Uppercase O 80 50 P Uppercase P 81 51 Q Uppercase Q 82 52 R ...

118 76 v Lowercase V 119 77 w Lowercase W 120 78 x Lowercase X 121 79 y Lowercase Y 122 7A z Lowercase Z 123 7B { Left Curly Bra ...

Appendix C. OPERATORS Operator Operation It Performs Addition Subtraction Multiplication / Division % Modulo Division ++ In ...

&= Set left side to bitwise AND of left side and right side |= Set left side to bitwise OR of left side and right side ^= Se ...

Appendix D. PHP TAGS There are several ways to mark an area of PHP script in a Web page, displayed below. The results of the scr ...

This method emulates ASP-style tags. <%= %> Unlike other methods, these tags are shorthand for a call to the echo function ...