ptarjan
99 linhas
1.6 KiB
PHP
99 linhas
1.6 KiB
PHP
<?php
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class logger {
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static $x = 0;
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private $idx;
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function __construct() {
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$this->idx = self::$x++;
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printf("logger %d constructing\n", $this->idx);
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}
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function __destruct() {
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printf("logger %d destructing\n", $this->idx);
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}
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}
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function create() {
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$x = 5;
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yield $x;
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$s = 'foo';
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yield $s;
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$$s = 1234;
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$z = $$s;
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yield $z;
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yield $$s;
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}
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function unusedarg($x, $y) {
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$z = 5;
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yield compact('x', 'z');
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$s = 'foo';
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yield 'almost there';
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$$s = 'inside foo';
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yield compact('foo', 's');
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yield compact('x', 'y', 'foo', 'z');
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}
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function dumpgen($g) {
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foreach ($g as $v) {
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var_dump($v);
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}
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}
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function getargs($foo) {
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yield 0xdeadbeef;
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yield func_get_args();
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yield func_get_arg(3);
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}
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function genthrow() {
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throw new Exception();
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yield 5;
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}
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function manylocals() {
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$a = 1;
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$b = 2;
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$c = 3;
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$d = 4;
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$e = 5;
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$f = 6;
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$g = 7;
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$h = 8;
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$i = 9;
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$j = 10;
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$k = 11;
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$l = 12;
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$a = yield get_defined_vars();
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$b = 0xdeadbeef;
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$c = yield get_defined_vars();
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$d = $e = 0xba53b411;
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yield get_defined_vars();
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}
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function main() {
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dumpgen(create());
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dumpgen(unusedarg(new logger(), 5));
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dumpgen(getargs(1, 2, 3, 4, 5));
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$g = genthrow();
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try {
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$g->next();
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} catch (Exception $e) {}
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try {
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$g->next();
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} catch (Exception $e) {
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var_dump($e->getMessage());
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}
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$g = manylocals();
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$g->next();
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var_dump($g->current());
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$g->send(new stdclass);
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var_dump($g->current());
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$g->send($g);
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var_dump($g->current());
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$g->next();
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var_dump($g->current());
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var_dump($g->valid());
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}
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main();
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