jQuery Select下拉框操作小结(推荐)
312
2024-02-24
<?php
function booo_spooky()
{
echo "I am booo_spooky. This name is okay!<br/>n";
}
function ____333434343434334343()
{
echo <<<DONE
I am ____333434343434334343. This is an awfully
unreadable function name. But it is valid.
DONE;
}
//
// This next function name generates:
//
// Parse error: syntax error, unexpected T_LNUMBER,
// expecting T_STRING in
// /home/httpd/www/phpwebapps/src/chapter03/playing.php
// on line 55
//
// Function names cannot start with numbers
//
function 234letters()
{
echo "I am not valid<br/>n";
}
//
// Extended characters are ok.
//
function grüß_dich()
{
echo "Extended Characters are ok, but be careful!<br/>n";
}
//
// REALLY extended characters are ok too!! Your file will
// probably have to be saved in a Unicode format though,
// such as UTF-8 (See Chapter 5).
//
function 日本?のファンクション()
{
echo <<<EOT
Even Japanese characters are ok in function names, but be
extra careful with these (see Chapter 5).
EOT;
}
?>
<?php
function my_new_function($param1, $param2, $param3, $param4)
{
echo <<<DONE
You passed in: <br/>
$param1: $param1 <br/>
$param2: $param2 <br/>
$param3: $param3 <br/>
$param4: $param4 <br/>
DONE;
}
//
// call my new function with some values.
//
$userName = "bobo";
$a = 54;
$b = TRUE;
my_new_function($userName, 6.22e23, pi(), $a or $b);
?>
$x = 10;
echo "$x is: $x<br/>n";
function change_parameter_value($param1)
{
$param1 = 20;
}
echo "$x is: $x<br/>n";
?>
<?php
function increment_variable(&$increment_me)
{
if (is_int($increment_me) || is_float($increment_me))
{
$increment_me += 1;
}
}
$x = 20.5;
echo "$x is: $x <br/>n"; // prints 20.5
increment_variable(&$x);
echo "$x is now: $x <br/>n"; // prints 21.5
?>
<?php
function perform_sort($arrayData, $param2 = "qsort")
{
switch ($param)
{
case "qsort":
qsort($arrayData);
break;
case "insertion":
insertion_sort($arrayData);
break;
default:
bubble_sort($arrayData);
break;
}
}
?>
<?php
function print_parameter_values()
{
$all_parameters = func_get_args();
foreach ($all_parameters as $index => $value)
{
echo "Parameter $index has the value: $value<br/>n";
}
echo "-----<br/>n";
}
print_parameter_values(1, 2, 3, "fish");
print_parameter_values();
?>
<?php
function does_nothing()
{
}
$ret = does_nothing();
echo '$ret: ' . (is_null($ret) ? '(null)' : $ret) . "<br/>";
?>
<?php
function is_even_number($number)
{
if (($number % 2) == 0)
return TRUE;
else
return FALSE;
}
?>
<?php
function get_user_name($userid)
{
//
// $all_user_data is a local variable (array) that temporarily
// holds all the information about a user.
//
$all_user_data = get_user_data_from_db($userid);
//
// after this function returns, $all_user_data no
// longer exists and has no value.
//
return $all_user_data["UserName"];
}
?>
<?php
$name = "Fatima";
echo "$name: $name<br/>n";
function set_name($new_name)
{
echo "$name: $name<br/>n";
$name = $new_name;
}
set_name("Giorgio");
echo "$name: $name<br/>n";
?>
<?php
function increment_me()
{
// the value is set to 10 only once.
static $incr=10;
$incr++;
echo"$incr<br/>n";
}
increment_me();
increment_me();
increment_me();
?>
<?php
$name = "Fatima";
echo "$name: $name<br/>n";
function set_name($new_name)
{
echo "$name: $name<br/>n";
$name = $new_name;
}
set_name("Giorgio");
echo "$name: $name<br/>n";
?>
<?php
function Log_to_File($message)
{
// open file and write message
}
function Log_to_Browser($message)
{
// output using echo or print functions
}
function Log_to_Network($message)
{
// connect to server and print message
}
//
// we're debugging now, so we'll just write to the screen
//
$log_type = "Log_to_Browser";
//
// now, throughout the rest of our code, we can just call
// $log_type(message) and change where it goes by simply
// changing the above variable assignment!
//
$log_type("beginning debug output");
?>
<?php
// circle is (x, y) + radius
function compute_circle_area($x, $y, $radius)
{
return ($radius * pi() * pi());
}
function circle_move_location(&$y, &$x, $deltax, $deltay)
{
$x += $deltax;
$y += $deltay;
}
function compute_circumference_of_circle($radius)
{
return array("Circumference" => 2 * $radius * pi());
}
?>
<?php
//
// all routines in this file assume a circle is passed in as
// an array with:
// "X" => x coord "Y" => y coord "Radius" => circle radius
//
function circles_compute_area($circle)
{
return $circle["Radius"] * $circle["Radius"] * pi();
}
function circles_compute_circumference($circle)
{
return 2 * $circle["Radius"] * pi();
}
// $circle is passed in BY REFERENCE and modified!!!
function circles_move_circle(&$circle, $deltax, $deltay)
{
$circle["X"] += $deltax;
$circle["Y"] += $deltay;
}
?>
<?php
include('i_dont_exit.inc');
require('i_dont_exit.inc');
?>
<html>
<head>
<title>Sample</title>
</head>
<body>
<?php
$message = "Well, Howdy Pardner!";
include('printmessage.inc');
?>
</body>
</html>
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