What is the function of backtick (`) characters in PHP?

Question

Options

• ASame as single-quotes, used to enclose strings.
• BEscape operators.
• CNo special meaning.
• DExecute the enclosed string as a command.
• EError control operators.

• A
  5% (3)
• B
  2% (1)
• C
  8% (5)
• D
  84% (52)
• E
  2% (1)

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