@ 2013-03-28T00:28:44Z <?php
class Context {
private $context = null;
private $data = [];
public function __construct(Context $context = null) {
$this->context = $context;
}
public function get($name) {
if (isset($this->data[$name])) {
return $this->data[$name];
}
if (isset($this->context)) {
return $this->context->get($name);
}
return null;
}
public function getAll() {
return $this->data;
}
public function set($name, $value) {
$this->data[$name] = $value;
}
public function wrap() {
return new Context($this);
}
public function call(callable $function) {
call_user_func($function, $this);
}
}
(new Context)->call(function(Context $c) {
$c->set('foo', 1);
$c->set('bar', 2);
$c->wrap()->call(function(Context $c) {
$c->set('bar', 3);
$c->set('qux', 4);
$c->wrap()->call(function(Context $c) {
$c->set('qux', 5);
$c->set('zip', 6);
var_dump($c);
});
var_dump($c);
});
var_dump($c);
});
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Output for 5.4.0 - 5.4.45 , 5.5.0 - 5.5.38 , 5.6.0 - 5.6.38 , 7.0.0 - 7.0.31 , 7.1.0 - 7.1.25 , 7.2.0 - 7.2.33 , 7.3.0 - 7.3.33 , 7.4.0 - 7.4.33 , 8.0.0 - 8.0.30 , 8.1.0 - 8.1.28 , 8.2.0 - 8.2.18 , 8.3.0 - 8.3.6 object(Context)#5 (2) {
["context":"Context":private]=>
object(Context)#3 (2) {
["context":"Context":private]=>
object(Context)#1 (2) {
["context":"Context":private]=>
NULL
["data":"Context":private]=>
array(2) {
["foo"]=>
int(1)
["bar"]=>
int(2)
}
}
["data":"Context":private]=>
array(2) {
["bar"]=>
int(3)
["qux"]=>
int(4)
}
}
["data":"Context":private]=>
array(2) {
["qux"]=>
int(5)
["zip"]=>
int(6)
}
}
object(Context)#3 (2) {
["context":"Context":private]=>
object(Context)#1 (2) {
["context":"Context":private]=>
NULL
["data":"Context":private]=>
array(2) {
["foo"]=>
int(1)
["bar"]=>
int(2)
}
}
["data":"Context":private]=>
array(2) {
["bar"]=>
int(3)
["qux"]=>
int(4)
}
}
object(Context)#1 (2) {
["context":"Context":private]=>
NULL
["data":"Context":private]=>
array(2) {
["foo"]=>
int(1)
["bar"]=>
int(2)
}
}
Output for 5.1.0 - 5.1.6 , 5.2.0 - 5.2.17 , 5.3.0 - 5.3.29 Parse error: syntax error, unexpected '[' in /in/W9DZM on line 6
Process exited with code 255 . Output for 5.0.0 - 5.0.5 Parse error: parse error, unexpected '[' in /in/W9DZM on line 6
Process exited with code 255 . Output for 4.4.2 - 4.4.9 Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/W9DZM on line 5
Process exited with code 255 . Output for 4.3.0 - 4.3.1 , 4.3.5 - 4.3.11 , 4.4.0 - 4.4.1 Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/W9DZM on line 5
Process exited with code 255 . Output for 4.3.2 - 4.3.4 Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/W9DZM on line 5
Process exited with code 255 . preferences:dark mode live preview
322.31 ms | 401 KiB | 422 Q