Rechercher une fonction PHP

gettype

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(PHP 4, PHP 5, PHP 7)

gettype — Get the type of a variable

Description

gettype ( mixed $var ) : string

Returns the type of the PHP variable var. For type checking, use is_* functions.

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Parameters

var

The variable being type checked.

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Return Values

Possible values for the returned string are:

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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

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Changelog

Version Description
7.2.0 Closed resources are now reported as 'resource (closed)'. Previously the returned value for closed resources were 'unknown type'.

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See Also

  • 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 the contents of a variable can be called as a function
  • 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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Document created the 30/01/2003, last modified the 26/10/2018
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References

  1. View the html document Language of the document:fr Manuel PHP : http://php.net

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