REQUIRE , , C #include.
, require() , . INCLUDE.
require ('header.inc');
INCLUDE
INCLUDE .
, INCLUDE, , :
$files = array ('first.inc', 'second.inc', 'third.inc');for ($i = 0; $i < count($files); $i++) { include($files[$i]);}include() require() , include , require()
include() , .
/* , . */ if ($condition) include($file);else include($other); /* - . */ if ($condition) { include($file);} else { include($other);}, " HTML", , PHP (<?).
readfile(), virtual().
FUNCTION
:
function foo ($arg_1, $arg_2,..., $arg_n) { echo "Example function.\n"; return $retval;}PHP3, .
, .
return. , .
function my_sqrt ($num) { return $num * $num;}echo my_sqrt (4); // outputs '16'., :
function foo() { return array (0, 1, 2);}list ($zero, $one, $two) = foo();
, / .
PHP3 ( ), , . , , .
function takes_array($input) { echo "$input[0] + $input[1] = ", $input[0]+$input[1];}