LXXIX. Variable Functions
- Table of Contents
- doubleval — Get double value of a variable
- empty — Determine whether a variable is set
- gettype — Get the type of a variable
- get_defined_vars —
Returns an array of all defined variables
- get_resource_type —
Returns the resource type
- intval — Get 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_double — Finds whether a variable is a double
- is_float — Finds whether a variable is a float
- is_int — Find whether a variable is an integer
- is_integer — Find whether a variable is an integer
- is_long — Finds whether a variable is an integer
- 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 — Finds whether a variable is a real
- is_resource —
Finds whether a variable is a resource
- is_scalar —
Finds whether a variable is a scalar
- is_string — Finds whether a variable is a string
- isset — Determine whether a variable is set
- 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