How to detect the data type of a PHP variable

The data type of a PHP variable can be detected by using the built-in PHP functiongettype() (PHP 4, PHP 5)


$var ="This is a sentence"

echo $var; //This will return "string"

The following possible values can be returned:

  • boolean
  • integer
  • double
  • string
  • array
  • object
  • resource
  • NULL
  • unknown type

Image Credits: Photo by Isis França on Unsplash.

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