Which of the following functions in PHP can be used to check the type of a number?

  • is_numeric()
  • is_int()
  • gettype()
  • All of the above
All of the given options can be used to check the type of a number in PHP. The is_numeric() function checks if a variable is a number or a numeric string. The is_int() function checks if a variable is an integer. The gettype() function returns the type of a variable as a string. Depending on the specific use case, you can choose the appropriate function to check the type of a number in PHP. Learn more: https://www.php.net/manual/en/function.is-numeric.php https://www.php.net/manual/en/function.is-int.php https://www.php.net/manual/en/function.gettype.php
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