PHP Manual
DOMText
Indicates whether this text node contains whitespace

DOMText::isWhitespaceInElementContent

(PHP 5, PHP 7)

DOMText::isWhitespaceInElementContent — Indicates whether this text node contains whitespace

说明

public DOMText::isWhitespaceInElementContent ( void ) : bool

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.

返回值

Returns TRUE if node contains zero or more whitespace characters and nothing else. Returns FALSE otherwise.

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