$a = $cx->asArray();
$actual = $a;
\assert(\is_array($actual));
$actual = \count($a);
$expected = 2;
\assert($actual === $expected, __($actual, $expected));
});
});
describe('.length', function () {
it('should return the number of nodes inside the context', function () {
$xml = new FluidXml();
$cx = $xml->query('/*');
$actual = $cx->length();
$expected = 1;
\assert($actual === $expected, __($actual, $expected));
$cx = $xml->appendChild(['child1', 'child2'], true);
$actual = $cx->length();
$expected = 2;
\assert($actual === $expected, __($actual, $expected));
$cx = $cx->appendChild(['subchild1', 'subchild2', 'subchild3']);
$actual = $cx->length();
$expected = 2;
\assert($actual === $expected, __($actual, $expected));
$cx = $cx->appendChild(['subchild4', 'subchild5', 'subchild6', 'subchild7'], true);
$actual = $cx->length();
$expected = 8;
\assert($actual === $expected, __($actual, $expected));
$expected = "<doc>\n" . " <child1>\n" . " <subchild1/>\n" . " <subchild2/>\n" . " <subchild3/>\n" . " <subchild4/>\n" . " <subchild5/>\n" . " <subchild6/>\n" . " <subchild7/>\n" . " </child1>\n" . " <child2>\n" . " <subchild1/>\n" . " <subchild2/>\n" . " <subchild3/>\n" . " <subchild4/>\n" . " <subchild5/>\n" . " <subchild6/>\n" . " <subchild7/>\n" . " </child2>\n" . "</doc>";
assert_equal_xml($xml, $expected);
});
});
// Exports the xml document as a string.
echo "————————————————————————————————————————————————————————————————————————————————\n";
/**********************
* Context Switching. *
***********************/
/*
* Passing a 'true' boolean value to any method that performs an insertion of a node,
* returns the newly created node instead of the parent.
* This operation is called Context Switch.
* Methods that support this context switch are:
* - appendChild($child, ...$optionals);
* - prependSibling($sibling, ...$optionals);
* - appendSibling($sibling, ...$optionals);
* and their alias methods (of course).
*/
$book->appendChild('chapters', true)->appendChild('chapter', 'Ideas About The Universe', ['id' => 123, 'first' => ''])->appendChild('chapter', 'The Expanding Universe', ['id' => 321])->appendChild('chapter', 'Black Holes', ['id' => 432])->appendChild('chapter', 'Black Holes Ain\'t So Black', ['id' => 234]);
/********************
* Appending Nodes. *
*********************/
/*
* Inserting a node can be performed in different ways,
* each one with its pros and cons.
*/
/*
* In this examples, it is used the concise syntax, but the same concepts
* are applicable to the standard syntax.
*/
$food = fluidxml('food');
$food->add('fruit')->add('fruit', 'orange');
// A 'fruit' node with 'orange' as content.
// A node can have even a bunch of attributes.
