<?php
function foo() {
 echo \"In foo()<br />\\n\";
}
function bar($arg = \'\') {
 echo \"In bar(); argument was \'$arg\'.<br />\\n\";
}
// 使用 echo 的包装函数
function echoit($string)
{
 echo $string;
}
$func = \'foo\';
$func();  // This calls foo()
$func = \'bar\';
$func(\'test\'); // This calls bar()
$func = \'echoit\';
$func(\'test\'); // This calls echoit()
?>

<?php
class Foo
{
 function Variable()
 {
  $name = \'Bar\';
  $this->$name(); // This calls the Bar() method
 }
 function Bar()
 {
  echo \"This is Bar\";
 }
}
$foo = new Foo();
$funcname = \"Variable\";
$foo->$funcname(); // This calls $foo->Variable()
?>

<?php
class Foo
{
 static $variable = \'static property\';
 static function Variable()
 {
  echo \'Method Variable called\';
 }
}
echo Foo::$variable; // This prints \'static property\'. It does need a $variable in this scope.
$variable = \"Variable\";
Foo::$variable(); // This calls $foo->Variable() reading $variable in this scope.
?>

<?php
array_diff_assoc()
array_diff_key()
array_diff_uassoc()
array()
array_intersect_ukey()
array_map()
array_merge()
array_merge_recursive()
array_multisort()
array_push()
array_replace()
array_replace_recursive()
array_unshift()
call_user_func()
call_user_method()
compact()
dba_open()
dba_popen()
echo()
forward_static_call()
fprintf()
fscanf()
httprequestpool_construct()
ibase_execute()
ibase_set_event_handler()
ibase_wait_event()
isset()
list()
maxdb_stmt_bind_param()
maxdb_stmt_bind_result()
mb_convert_variables()
newt_checkbox_tree_add_item()
newt_grid_h_close_stacked()
newt_grid_h_stacked()
newt_grid_v_close_stacked()
newt_grid_v_stacked()
newt_win_choice()
newt_win_entries()
newt_win_menu()
newt_win_message()
newt_win_ternary()
pack()
printf()
register_shutdown_function()
register_tick_function()
session_register()
setlocale()
sprintf()
sscanf()
unset()
var_dump()
w32api_deftype()
w32api_init_dtype()
w32api_invoke_function()
wddx_add_vars()
wddx_serialize_vars()