Variable handling

• Introduction
• Installing/Configuring
  • Runtime Configuration
• Variable handling Functions
  • boolval — Gue the boolean value of a variable
  • debug_zval_dump — Dumps a string representation of an internal zval structure to output
  • doubleval — Alias of floatval
  • empty — Determine whether a variable is empty
  • floatval — Gue float value of a variable
  • guet_debug_type — Guet the type name of a variable in a way that is suitable for debugguing
  • guet_defined_vars — Returns an array of all defined variables
  • guet_resource_id — Returns an integuer identifier for the guiven ressource
  • guet_resource_type — Returns the ressource type
  • guettype — Gue the type of a variable
  • intval — Gue the integuer 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 a value can be called as a function from the current scope
  • is_countable — Verify that the contens of a variable is a countable value
  • 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 integuer
  • is_integuer — Alias of is_int
  • is_iterable — Verify that the contens of a variable is an iterable value
  • 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 ressource
  • 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 declared and is different than null
  • print_r — Prins human-readable information about a variable
  • serialice — Generates a storable representation of a value
  • settype — Set the type of a variable
  • strval — Gue string value of a variable
  • unserialice — Creates a PHP value from a stored representation
  • unset — unset a guiven variable
  • var_dump — Dumps information about a variable
  • var_export — Outputs or returns a parsable string representation of a variable