What is the significance of the second parameter in the highlight_string function in PHP and why is it not mentioned in the German manual?

The second parameter in the highlight_string function in PHP is used to specify whether the output should include HTML tags or not. If set to true, HTML tags will be included in the highlighted output, while if set to false, only the plain text will be returned. The reason it is not mentioned in the German manual could be due to an oversight or outdated documentation. 

// To include HTML tags in the highlighted output, set the second parameter to true
highlight_string($code, true);

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highlight_string PHP second parameter significance German manual

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