What is the difference between isset() and other is_*() functions (is_alpha(), is_number(), etc.)?

Question

Options

• Aisset() is a function call and is_*() are not function calls
• Bis_*() are language constructs and isset() is not a language construct
• Cc) isset() is a language construct and is_*() are not language constructs
• Dd) is_*() return a value whereas isset() does not

• A
  5% (1)
• B
  9% (2)
• C
  82% (18)
• D
  5% (1)

Explanation

Zend 200-530 Exam

No community discussion yet for this question.