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|
--TEST--
CallbackFilterIterator
--FILE--
<?php
class A {
function test($value, $key, $inner) {
return test($value, $key, $inner);
}
}
class B {
static function test($value, $key, $inner) {
return test($value, $key, $inner);
}
}
function test($value, $key, $inner) {
printf("%s / %s / %d / %d\n"
, $value
, $key
, $value == $inner->current()
, $key == $inner->key()
);
return $value === 1 || $value === 4;
}
$tests = array(
'instance method' => function() { return array(new A, 'test'); },
'static method' => function() { return array('B', 'test'); },
'static method (2)' => function() { return 'B::test'; },
'function' => function() { return 'test'; },
'anonymous function' => function() { return function($value, $key, $inner) { return test($value, $key, $inner); }; },
);
foreach($tests as $name => $test) {
$callback = $test();
$it = new ArrayIterator(range(1, 5));
$it = new CallbackFilterIterator($it, $callback);
echo " = $name =\n";
foreach($it as $value) {
echo "=> $value\n";
}
// same test, with no reference to callback
$it = new ArrayIterator(range(1, 5));
$it = new CallbackFilterIterator($it, $test());
unset($callback);
foreach($it as $value) {
echo "=> $value\n";
}
}
--EXPECT--
= instance method =
1 / 0 / 1 / 1
=> 1
2 / 1 / 1 / 1
3 / 2 / 1 / 1
4 / 3 / 1 / 1
=> 4
5 / 4 / 1 / 1
1 / 0 / 1 / 1
=> 1
2 / 1 / 1 / 1
3 / 2 / 1 / 1
4 / 3 / 1 / 1
=> 4
5 / 4 / 1 / 1
= static method =
1 / 0 / 1 / 1
=> 1
2 / 1 / 1 / 1
3 / 2 / 1 / 1
4 / 3 / 1 / 1
=> 4
5 / 4 / 1 / 1
1 / 0 / 1 / 1
=> 1
2 / 1 / 1 / 1
3 / 2 / 1 / 1
4 / 3 / 1 / 1
=> 4
5 / 4 / 1 / 1
= static method (2) =
1 / 0 / 1 / 1
=> 1
2 / 1 / 1 / 1
3 / 2 / 1 / 1
4 / 3 / 1 / 1
=> 4
5 / 4 / 1 / 1
1 / 0 / 1 / 1
=> 1
2 / 1 / 1 / 1
3 / 2 / 1 / 1
4 / 3 / 1 / 1
=> 4
5 / 4 / 1 / 1
= function =
1 / 0 / 1 / 1
=> 1
2 / 1 / 1 / 1
3 / 2 / 1 / 1
4 / 3 / 1 / 1
=> 4
5 / 4 / 1 / 1
1 / 0 / 1 / 1
=> 1
2 / 1 / 1 / 1
3 / 2 / 1 / 1
4 / 3 / 1 / 1
=> 4
5 / 4 / 1 / 1
= anonymous function =
1 / 0 / 1 / 1
=> 1
2 / 1 / 1 / 1
3 / 2 / 1 / 1
4 / 3 / 1 / 1
=> 4
5 / 4 / 1 / 1
1 / 0 / 1 / 1
=> 1
2 / 1 / 1 / 1
3 / 2 / 1 / 1
4 / 3 / 1 / 1
=> 4
5 / 4 / 1 / 1
|
