PHP Developer''''''''s Dictionary- P14 pot

... PHP Developer’s Dictionary IT-SC book 68 PHP_ OS Syntax PHP_ OS Description The PHP_ OS constant reflects the name of the operating ... the PHP code. If you are running scripts across multiple platforms, this enables you to check the operating system before performing any system-specific tasks. PHP_ VERSION Syntax PHP_ VERSION ... method works // in the PHP progr...

Ngày tải lên: 07/07/2014, 05:20

... of modules, PHP brings together the best of Perl, C++, and other languages. The PHP Developer’s Dictionary is a comprehensive reference to PHP 4. It details the evolution of the PHP language ... Amy Patton Interior Design Gary Adair Cover Design Alan Clements PHP Developer’s Dictionary IT-SC book 1 PHP Developer's Dictionary R. Allen Wyke, Michael J. Walker...

Ngày tải lên: 07/07/2014, 05:20

... version 3 of PHP. The success of PHP is difficult to gauge, but it has been estimated that there are more than 1 million Web sites using PHP and that number is increasing every month. PHP user ... only factor driving the popularity of PHP. Flexibility, extensibility, and performance are key elements in the success of PHP. Much of the syntax used in PHP was borrowed from C, Perl...

Ngày tải lên: 07/07/2014, 05:20

... database is requested, PHP checks for an existing connection. If one exists, PHP does not open another connection but reuses the existing connection. If a connection does not exist, PHP opens one. ... pg_exec($conn, "commit work;"); PHP Developer’s Dictionary IT-SC book 57 PostgreSQL as the database. We also gave some examples of how to use PHP to display and manipul...

Ngày tải lên: 07/07/2014, 05:20

... files can be valid PHP code or any text, such as HTML. If you do have additional PHP code that needs to be executed, be sure that you use the proper beginning and ending PHP tags or the parser ... backslash is a reserved character in the PHP language and must be escaped when you are literally referring to that character. \$ Syntax \$ Description PHP Developer’s Diction...

Ngày tải lên: 07/07/2014, 05:20

... precedence of these operators. Table 4.1 lists the operator precedence in PHP. Table 4.1. Operator Precedence in PHP Associativity Operators Non-associative new Right [ Right ... Right print Left and Left xor Left or PHP Developer’s Dictionary IT-SC book 80 Some groups of PHP& apos;s syntax, such as functions and classes, revolve aro...

Ngày tải lên: 07/07/2014, 05:20

... contains the complete pathname of the file being parsed by the PHP interpreter. SCRIPT_NAME Syntax string SCRIPT_NAME PHP Developer’s Dictionary IT-SC book 101 string HTTP_HOST ... the HTTP Accept-Encoding: header if the user-agent sent it to the server. HTTP_HOST Syntax PHP Developer’s Dictionary IT-SC book 103 REQUEST_METHOD Syntax string REQUEST_METHOD .....

Ngày tải lên: 07/07/2014, 05:20

... string. PHP The last section of this chapter contains PHP variables that are constant within the PHP installation. Additionally, there are a couple of variables that are present when PHP scripts ... left_operand by the modulus and returns the remainder. PHP Developer’s Dictionary IT-SC book 107 • < ?php_ track_vars?> (no longer supported in PHP 4) • track_vars config...

Ngày tải lên: 07/07/2014, 05:20

... int rand ([int min [, int max]]) PHP Developer’s Dictionary IT-SC book 138 The mt_getrandmax() function, which was added in PHP 3.0.6 and PHP 4.0, returns the maximum value that ... void mt_srand(int seed) Description The mt_srand() function, which was added in PHP 3.0.6 and PHP 4.0, seeds the random number generator with seed . This allows the random number...

Ngày tải lên: 07/07/2014, 05:20

... which was added in PHP 3.0.10 and PHP 4.0b4, returns true if the PHP extension called name is loaded. getenv() Syntax string getenv(string varname) Description PHP Developer’s Dictionary ... the current PHP script. get_magic_quotes_gpc() Syntax long get_magic_quotes_gpc(void) Description The get_magic_quotes_gpc() function, which was added in PHP 3.0.6 and...

Ngày tải lên: 07/07/2014, 05:20