The is_numeric() function in PHP checks if a variable is a(n) ______.

  • Number
  • Integer
  • String
  • Numeric
The is_numeric() function in PHP checks if a variable is a numeric value, whether it is an integer, float, or a numeric string. It returns true if the variable can be evaluated as a number. This function is useful when you need to determine if a variable holds a numeric value or not. Learn more: https://www.php.net/manual/en/function.is-numeric.php
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