gettype
(PHP 4, PHP 5, PHP 7, PHP 8)
gettype — Get the type of a variable
Description
Returns the type of the PHP variable value. For
type checking, use is_* functions.
Parameters
-
value -
The variable being type checked.
Return Values
Possible values for the returned string are:
-
"boolean" -
"integer" -
"double"(for historical reasons"double"is returned in case of a float, and not simply"float") -
"string" -
"array" -
"object" -
"resource" -
"resource (closed)"as of PHP 7.2.0 -
"NULL" -
"unknown type"
Changelog
| Version | Description |
|---|---|
| 7.2.0 |
Closed resources are now reported as 'resource (closed)'.
Previously the returned value for closed resources were 'unknown type'.
|
Examples
Example #1 gettype() example
<?php
$data = array(1, 1., NULL, new stdClass, 'foo');
foreach ($data as $value) {
echo gettype($value), "\n";
}
?>
The above example will output something similar to:
integer double NULL object string
See Also
- get_debug_type() - Gets the type name of a variable in a way that is suitable for debugging
- settype() - Set the type of a variable
- get_class() - Returns the name of the class of an object
- 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_float() - Finds whether the type of a variable is float
- is_int() - Find whether the type of a variable is 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_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
- function_exists() - Return true if the given function has been defined
- method_exists() - Checks if the class method exists
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