Returns whether this text node contains whitespace in element content

# DOMText::isElementContentWhitespace

(PHP 5 >= 5.1.0, PHP 7, PHP 8)

DOMText::isElementContentWhitespace — Returns whether this text node contains whitespace in element content

### Description

public function DOMText::isElementContentWhitespace(): bool

### Parameters

This function has no parameters.

### Return Values

Returns `true` on success or `false` on failure.

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