This is the recommended (W3C) function name for the equivalent:
http://php.net/manual/en/domtext.iswhitespaceinelementcontent.php
See there for additional notes.
PHP - Manual: DOMText::isElementContentWhitespace
2025-02-27
(No version information available, might only be in Git)
DOMText::isElementContentWhitespace — Returns whether this text node contains whitespace in element content
此函数没有参数。
This is the recommended (W3C) function name for the equivalent:
http://php.net/manual/en/domtext.iswhitespaceinelementcontent.php
See there for additional notes.
官方地址:https://www.php.net/manual/en/domtext.iselementcontentwhitespace.php