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The author posits the output,
Hello World!World!, is a possible parser error or internal assignment nonsense. What
Hello World!World! actually represents is PHP string handling and variable assignment 101.
I will concede that determining the output of
$string is something of a light brain teaser. However, if you’re confused by concatenation and variable assignment to the point that you write a blog post about it and present it as a parser error, I can only hope and pray you’re trolling.
Exit question, “If a plane crashes on the border of Canada and the United States, where do you bury the survivors?”