w3resource

PHP: gettype() function

Description

The gettype() function is used to get the type of a variable.

Version:

(PHP 4 and above)

Syntax:

gettype(var_name)

Parameter:

Name Description Required /
Optional
Type
var_name The name of the variable. Required Mixed*

*Mixed : Mixed indicates that a parameter may accept multiple (but not necessarily all) types.

Return value

Possible values of the returned string:

  • boolean
  • integer
  • double
  • string
  • array
  • object
  • resource
  • NULL
  • unknown type

Pictorial presentation of PHP gettype() function

Pictorial presentation of PHP gettype() function

Example :

<?php
echo gettype(102).'<br>';
echo gettype(true).'<br>';
echo gettype(' ').'<br>';
echo gettype(null).'<br>';
echo gettype(array()).'<br>';
echo gettype(new stdclass());
?>

Output:

integer
boolean
string
NULL
array
object 

View the example in the browser

Practice here online :

See also

PHP Function Reference

Previous: get_resource_type
Next: import_request_ variables



PHP: Tips of the Day

PHP - how to create a newline character?

Only double quoted strings interpret the escape sequences \r and \n as '0x0D' and '0x0A' respectively, so you want:

"\r\n"

Single quoted strings, on the other hand, only know the escape sequences \\ and \'.

So unless you concatenate the single quoted string with a line break generated elsewhere (e. g., using double quoted string "\r\n" or using chr function chr(0x0D).chr(0x0A)), the only other way to have a line break within a single quoted string is to literally type it with your editor:

$s = 'some text before the line break
some text after';

Make sure to check your editor for its line break settings if you require some specific character sequence (\r\n for example).

Ref : https://bit.ly/3hcyege