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Variable handling Functions

Table of Contents

  • boolval - Get the boolean value of a variable
  • debug_zval_dump - Dumps a string representation of an internal zend value to output
  • doubleval - Alias of floatval
  • empty - Determine whether a variable is empty
  • floatval - Get float value of a variable
  • get_defined_vars - Returns an array of all defined variables
  • get_resource_type - Returns the resource type
  • gettype - Get the type of a variable
  • import_request_variables - Import GET/POST/Cookie variables into the global scope
  • intval - Get the integer value of a variable
  • is_array - Finds whether a variable is an array
  • is_bool - Finds out whether a variable is a boolean
  • is_callable - Verify that the contents of a variable can be called as a function
  • is_double - Alias of is_float
  • is_float - Finds whether the type of a variable is float
  • is_int - Find whether the type of a variable is integer
  • is_integer - Alias of is_int
  • is_long - Alias of is_int
  • is_null - Finds whether a variable is NULL
  • is_numeric - Finds whether a variable is a number or a numeric string
  • is_object - Finds whether a variable is an object
  • is_real - Alias of is_float
  • is_resource - Finds whether a variable is a resource
  • is_scalar - Finds whether a variable is a scalar
  • is_string - Find whether the type of a variable is string
  • isset - Determine if a variable is set and is not NULL
  • print_r - Prints human-readable information about a variable
  • serialize - Generates a storable representation of a value
  • settype - Set the type of a variable
  • strval - Get string value of a variable
  • unserialize - Creates a PHP value from a stored representation
  • unset - Unset a given variable
  • var_dump - Dumps information about a variable
  • var_export - Outputs or returns a parsable string representation of a variable

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