Programming Language › Functions in PHP MCQ › Question #2431
Single Choice Not Set

QWhich of the following are valid function names?
i) function()
ii) €()
iii) .function()
iv) $function()

ID: #2431 Functions in PHP MCQ 874 views
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#2431Q ID
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Functions in PHP MCQTopic
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  • A Only (ii) ✔ ✖
  • B None of the mentioned. ✔ ✖
  • C All of the mentioned. ✔ ✖
  • D (iii) and (iv) ✔ ✖
Correct Answer

Explanation

Except a) others are invalid names. According to the specified regular expression ([a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*), a function name like this one is valid.
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