function g2()
{
(yield 1);
$g1result = (yield from g1());
(yield 4);
return $g1result;
}
var_dump(isset($x1->m));
$x2 = new X2();
var_dump(isset($x2->m));
unset($x2->m);
var_dump(isset($x2->m));
echo "---------- unsetting inside a function (global) ------------\n";
$gl = 100;
function g1()
{
global $gl;
var_dump(isset($gl));
unset($gl);
// unsets local "version" in current scope
var_dump(isset($gl));
}
g1();
var_dump(isset($gl));
// still set
echo "---------- unsetting inside a function (\$GLOBALS) ------------\n";
function g2()
{
var_dump(isset($GLOBALS['gl']));
unset($GLOBALS['gl']);
// unsets global "version"
var_dump(isset($GLOBALS['gl']));
}
g2();
var_dump(isset($gl));
// no longer set
echo "---------- unsetting inside a function (pass-by-ref) ------------\n";
function g3($p1, &$p2)
echo "\tInside function " . __FUNCTION__ . ", \$b is {$b}\n";
$b->move(4, 6);
// moving $b also moves $a
echo "After '\$b->move(4, 6)', \$b is {$b}\n";
$b = new Point(5, 7);
// removes second alias from first point;
// then create first alias to second new point
// changing $b also changes $a as well, so $a's alias
// is also removed, alowing the destructor run
echo "After 'new Point(5, 7)', \$b is {$b}\n";
}
// $b goes away, remove its alias from new point
$a = new Point(1, 3);
// create first new point, and make $a an alias to it
echo "After '\$a = new Point(1, 3)', \$a is {$a}\n";
g1($a);
// $a is changed via change to $b
echo "After 'g1(\$a)', \$a is {$a}\n";
unset($a);
// remove only alias from point, so destructor runs
echo "Done\n";
//*/
///*
echo "----------------- value returning of handle types ----------------------\n";
function f2()
{
$b = new Point(5, 7);
// create first new point, and make $b an alias to it
echo "After 'new Point(5, 7)', \$b is {$b}\n";
return $b;
// return a temporary copy, which is a new alias
//*/
///*
// return byRef
function &g1(&$p)
{
echo '$p ' . (isset($p) ? "is set\n" : "is not set\n");
echo "g1 In: \$p: {$p}\n";
$p = 200;
// actual argument's value changed
echo "g1 Out: \$p: {$p}\n\n";
return $p;
// return by reference (can't use & here)
}
$a = 10;
var_dump($a);
$b =& g1($a);
// change $a from 10 to 200; make $b an alias to $a
var_dump($a);
var_dump($b);
$b = -12;
// change $a/$b
var_dump($a);
var_dump($b);
//*/
///*
function &g2()
{
echo "g2 In:\n";
$t = "local";
return $t;
// return byRef
<?php
// +----------------------------------------------------------------------
// | TOPThink [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2011 http://topthink.com All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <*****@*****.**>
// +----------------------------------------------------------------------
// $Id$
g1('1');
define('APP_PATH', dirname(__DIR__) . '/application/');
require dirname(__DIR__) . '/thinkphp/start.php';
echo '<br/>run :' . g1('1', '2', 6) . ' | mem:' . g1('1', '2', 'm') . 'kb';
dump(get_included_files());
function G1($start, $end = '', $dec = 4)
{
static $_info = array();
static $_mem = array();
if (is_float($end)) {
// 记录时间
$_info[$start] = $end;
} elseif (!empty($end)) {
// 统计时间和内存使用
if (!isset($_info[$end])) {
$_info[$end] = microtime(TRUE);
}
if ($dec == 'm') {
if (!isset($_mem[$end])) {
function pocket($x1, $y1, $x2, $y2, $z)
{
if ($x2 < $x1) {
$t = $x1;
$x1 = $x2;
$x2 = $t;
}
if ($y2 < $y1) {
$t = $y1;
$y1 = $y2;
$y2 = $t;
}
g0(_, _, SAFE_Z);
if (!is_array($z)) {
$z = array($z);
}
foreach ($z as $zz) {
g0($x1, $y1, _);
g1(_, _, $zz);
$dx = $x2 - $x1;
$dy = $y2 - $y1;
$q = min($dx, $dy);
$x = $x1;
$y = $y1;
while ($q >= 0) {
g1($x + $dx, _, _);
g1(_, $y + $dy, _);
g1($x, _, _);
g1(_, $y, _);
$x += R;
$y += R;
$dx -= 2.0 * R;
$dy -= 2.0 * R;
$q -= 2.0 * R;
}
}
g0(_, _, SAFE_Z);
}
<?php
function g1()
{
$arr = array(0, 1, 2, 3);
$b = true;
foreach ($arr as &$v) {
(yield null);
echo "val={$v}\n";
if ($b && $v == 1) {
$b = false;
$arr = array(4, 5, 6, 7);
}
}
}
foreach (g1() as $_) {
}
