What will be the output of the following code? <?php class FormBuilder { private $elements = array(); public function label($text) { $this->elements[] = "<label>$text</label>"; return $this; } public function input($type, $name, $value = '') { $this->elements[] = "<input type=\"$type\" name=\"$name\" value=\"$value\" />"; return $this; } public function textarea($name, $value = '') { $this->elements[] = "<textarea name=\"$name\">$value</textarea>"; return $this; } public function __toString() { return join("\n", $this->elements); } } $b = new FormBuilder(); echo $b->label('Name')->input('text', 'name')->textarea('message', 'My message');

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