public function testContains()
{
$list = new ResolverList();
$a = $this->makeResolver('a');
$this->assertFalse($list->contains($a));
$this->assertFalse($list->containsId('a'));
$list[] = $a;
$this->assertTrue($list->contains($a));
$this->assertTrue($list->containsId('a'));
}
public function resolve(ResolverList $resolved, ResolverList $unresolved, $performResolution = true)
{
// already resolved
if ($resolved->contains($this)) {
return true;
}
if ($unresolved->contains($this)) {
throw new CircularDependencyException($unresolved, $this);
}
// add to unresolved list whilst we sort out dependencies
$unresolved[] = $this;
foreach ($this->depends as $dependency) {
$dependency->resolve($resolved, $unresolved, $performResolution);
}
// all dependencies resolved so we can execute our code
$unresolved->remove($this);
if ($performResolution) {
// pre resolve callback
if (isset($this->options['PRE_RESOLVE'])) {
call_user_func($this->options['PRE_RESOLVE']);
}
$output = call_user_func($this->resolve);
// post resolution callback
if (isset($this->options['POST_RESOLVE'])) {
call_user_func($this->options['POST_RESOLVE']);
}
}
$resolved[] = $this;
return $output;
}
