可能重复:
""" this
Notice that the single quotes are escaped - they don't end the string; and the newlines become part of the string有没有人知道PHP有没有等同于python的
""&
php在进一步研究了关于操作符的PHP文档之后,我发现了Nowdoc字符串引用
有人能给Nowdocs are to single-quoted strings what heredocsA nowdoc is specified similarly to a heredoc, but no parsing is done inside a nowdoc.