I'm using the PHP facebook/webdriver package to handle some web automation testing.
I have been unable to clear the content of a <textarea> element and have run out of options.
Given:
- a dom element 
<textarea>content</textarea> $elementto be aFacebook\WebDriver\WebDriverElementinstance
I have tried calling RemoteWebElement::clear():
// phpdoc for this method states: 
// "If [is] TEXTAREA or text INPUT element, this will clear the value"
var_dump($element->getTagName()); // string(8) "textarea"
var_dump($element->getText());    // string(7) "content"
$element->clear(); 
var_dump($element->getText());    // string(7) "content"
I have tried sending backspace keys:
var_dump($element->getTagName()); // string(8) "textarea"
var_dump($element->getText());    // string(7) "content"
for ($i = 0; $i < mb_strlen($element->getText()); $i++) {
    $element->sendKeys(WebDriverKeys::BACKSPACE);
}
var_dump($element->getText());    // string(7) "content"    
I'm at a bit of a loss. Any ideas?