(PHP 5, PHP 7)
Indicates whether this text node contains whitespace
public bool DOMText::isWhitespaceInElementContent ( void )
Indicates whether this text node contains only whitespace or it is empty. The text node is determined to contain whitespace in element content during the load of the document.
Returns:
Returns TRUE
if node contains zero or more whitespace characters and nothing else. Returns FALSE
otherwise.
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