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{{Command|= Comments
{{RV|type=command
____________________________________________________________________________________________


| ofp |= Game name
|game1= ofp
|version1= 1.00


|1.00|= Game version
|game2= ofpe
____________________________________________________________________________________________
|version2= 1.00


| Checks whether value is in array, unit in vehicle or position inside location. In case of value in array check, [[String]] values will be compared on CaSEseNsiTIve basis (see Example 2). Note: In Arma 2 you can not test for arrays within arrays using this command. |= Description
|game3= arma1
____________________________________________________________________________________________
|version3= 1.00


| value '''in''' array |= Syntax
|game4= arma2
|p1 = value: [[Anything]] - any value (Arma 2 cannot  match [[Array]])
|version4= 1.00
|p2 = array: [[Array]] - array of values
| [[Boolean]] |= Return value


| s2= unit '''in''' vehicle |= Syntax
|game5= arma2oa
|p21 = unit: [[Object]] - person
|version5= 1.50
|p22 = vehicle: [[Object]] - transport


|r2= [[Boolean]] |= Return value
|game6= tkoh
|version6= 1.00


| s3=position '''in''' location |= Syntax       (''available since Arma 3'')
|game7= arma3
|version7= 0.50


|p41= position: [[Array]] - format [[Position2D]] or [[Position3D]] |= Parameter 1
|gr1= Strings
|p42= location: [[Location]] |= Parameter 2


| r3=[[Boolean]] |= Return value
|gr2= Arrays
____________________________________________________________________________________________
|x1 = <code>1 [[in]] [0,1,2]; //true</code>|=


|x2 = <code>"lol" [[in]] ["Lol", "LOL", "loL"]; //false
|gr3= Locations
"loL" [[in]] ["Lol", "LOL", "loL"]; //true</code>|=


|x3= Arma 3:<code>[1,2,3] [[in]] <nowiki>[</nowiki>[1,2,3],[4,5,6]]; //true</code>|=
|gr4= HashMap


|x4 = <code>_isInCar = [[player]] '''in''' car;</code>|=
|gr5= Unit Control


|x5= <code>_isInside = [1000,2000,0] [[in]] myLocation;</code>|=
|descr= Checks whether value is in array, unit is in vehicle, position is inside location or ANSI string is part of other ANSI string. If Unicode support is desired, see [[forceUnicode]].
|[[inPolygon]], [[inArea]], [[set]], [[resize]], [[reverse]], [[pushBack]], [[pushBackUnique]], [[apply]], [[select]], [[find]], [[toArray]], [[toString]], [[forEach]], [[count]], [[deleteAt]], [[deleteRange]], [[append]], [[sort]], [[param]], [[params]], [[arrayIntersect]], [[splitString]], [[joinString]]|= See also
{{Feature|informative|[[String]] comparison is case-sensitive (see Examples '''2''' and '''6''').}}


|s1= value [[in]] array
|p1= value: [[Anything]] - any value (cannot  match [[Array]] before {{arma3}})
|p2= array: [[Array]] - array of values
|r1= [[Boolean]]
|s2= unit [[in]] vehicle
|p21= unit: [[Object]] - entity person
|p22= vehicle: [[Object]] - entity vehicle
|r2= [[Boolean]]
|s3= position [[in]] location
|s3since= arma3 0.50
|p41= position: [[Array]] - format [[Position#Introduction|Position2D]] or [[Position#Introduction|Position3D]]
|p42= location: [[Location]]
|r3= [[Boolean]]
|s4= needle [[in]] haystack
|s4since= arma3 1.96
|p61= needle: [[String]] - string to search '''for'''
|p62= haystack: [[String]] - string to search '''in'''
|r4= [[Boolean]]
|s5= key [[in]] hashMap
|s5since= arma3 2.02
|p81= key: [[HashMapKey]]
|p82= hashMap : [[HashMap]]
|r5= [[Boolean]]
|x1= <sqf>1 in [0, 1, 2]; // true</sqf>
|x2= <sqf>private _myArray = ["Aaa", "AAa", "AAA"];
"aaa" in _myArray; // false
"AAa" in _myArray; // true
// Case-insensitive alternatives:
_myArray findIf { _x == "aaa"; } != -1; // true
({
if (_x == "aaa") exitWith { _forEachIndex };
-1
} forEach _myArray) != -1; // true, less performant but valid before the introduction of the findIf command
{ if (_x == "aaa") exitWith { 1 } } count _myArray > 0; // true
{ _x == "aaa"; } count _myArray > 0; // true, worst performance, only option available in OFP</sqf>
|x3= <sqf>[1,2,3] in [[1,2,3], [4,5,6]]; // true - Arma 3 only</sqf>
|x4= <sqf>private _isInCar = player in Car;</sqf>
|x5= <sqf>private _isInside = [1000,2000,0] in MyLocation;</sqf>
|x6= <sqf>private _isInString = "foo" in "foobar"; // true
_isInString = "Foo" in "foobar"; // false</sqf>
|x7= <sqf>private _onFoot = _unit in _unit;</sqf>
Other options:
<sqf>private _onFoot = vehicle _unit == _unit;</sqf>
<sqf>private _onFoot = isNull objectParent _unit;</sqf>
|seealso= [[inPolygon]] [[inArea]] [[find]] [[findIf]] [[toArray]] [[forceUnicode]]
}}
}}


<h3 style="display:none">Notes</h3>
<dl class="command_description">
<dl class="command_description">
<!-- Note Section BEGIN -->
<dd class="notedate">Posted on 15:58, 18 January 2007 (CET)
<dt class="note">'''[[User:T_D|T_D]]'''<dd class="note">
For a case-''insensitive'' test use [[count]]:
<code>{_x == "lol"} [[count]] ["Lol", "LOL", "loL"]; //returns 3.</code>
Checking if an array (for example a position) is in another array doesn't produce an error, but it will always return false. e.g.
<code>[0,0,0] '''in''' [[0,0,0],[1,4,3],[5,3,1]]; //returns: false.</code>
<!-- Note Section END -->
</dl>


<h3 style="display:none">Bottom Section</h3>
<dt></dt>
<dd class="notedate">Posted on 2019-10-08 - 21:08 (UTC)</dd>
<dt class="note">[[User:Lou Montana|Lou Montana]]</dt>
<dd class="note">''From a description note:''<br>
''<unit>'' [[in]] ''<vehicle>'' literally does this: {{hl|c= [[vehicle]] <unit> {{=}}{{=}} <vehicle>}}. If ''<vehicle>'' is the same as ''<unit>'' the expression will return [[true]] for when the ''<unit>'' is on foot and [[false]] for when ''<unit>'' is in vehicle (see example '''7''' &amp; '''8''').
</dd>


<!-- CONTINUE Notes -->
<dl class="command_description">
<dd class="notedate">Posted on August 23, 2014 - 10:10 (UTC)</dd>
<dt class="note">[[User:PabstMirror|PabstMirror]]</dt>
<dd class="note">
As of Arma 3 1.26:
<code>[0,0,0] [[in]] [[0,0,0],[1,4,3],[5,3,1]]; //returns '''true'''
[1,2,3] [[in]] [[1,2,3],[4,5,6]]; //returns '''true'''
</code>
Assuming it is now using comparison as found in [[isEqualTo]]
</dd>
</dl>
</dl>
<!-- DISCONTINUE Notes -->
[[Category:Scripting Commands OFP 1.99|{{uc:{{PAGENAME}}}}]]
[[Category:Scripting Commands ArmA]]
[[Category:Arma_3:_New_Scripting_Commands_List|{{uc:{{PAGENAME}}}}]]
[[Category:Scripting Commands Arma 3|{{uc:{{PAGENAME}}}}]]
[[Category:Scripting Commands|{{uc:{{PAGENAME}}}}]]

Latest revision as of 19:11, 15 March 2024

Logo A0.png1.00ofpe logo.png1.00Logo A1 black.png1.00Logo A2.png1.00A2 OA Logo.png1.50tkoh logo small.png1.00Arma 3 logo black.png0.50
Hover & click on the images for description

Description

Description:
Checks whether value is in array, unit is in vehicle, position is inside location or ANSI string is part of other ANSI string. If Unicode support is desired, see forceUnicode.
ⓘ
String comparison is case-sensitive (see Examples 2 and 6).
Groups:
StringsArraysLocationsHashMapUnit Control

Syntax 1

Syntax:
value in array
Parameters:
value: Anything - any value (cannot match Array before Arma 3)
array: Array - array of values
Return Value:
Boolean

Syntax 2

Syntax:
unit in vehicle
Parameters:
unit: Object - entity person
vehicle: Object - entity vehicle
Return Value:
Boolean

Syntax 3

Syntax:
position in location
Parameters:
position: Array - format Position2D or Position3D
location: Location
Return Value:
Boolean

Syntax 4

Syntax:
needle in haystack
Parameters:
needle: String - string to search for
haystack: String - string to search in
Return Value:
Boolean

Syntax 5

Syntax:
key in hashMap
Parameters:
key: HashMapKey
hashMap : HashMap
Return Value:
Boolean

Examples

Example 1:
1 in [0, 1, 2]; // true
Example 2:
private _myArray = ["Aaa", "AAa", "AAA"]; "aaa" in _myArray; // false "AAa" in _myArray; // true // Case-insensitive alternatives: _myArray findIf { _x == "aaa"; } != -1; // true ({ if (_x == "aaa") exitWith { _forEachIndex }; -1 } forEach _myArray) != -1; // true, less performant but valid before the introduction of the findIf command { if (_x == "aaa") exitWith { 1 } } count _myArray > 0; // true { _x == "aaa"; } count _myArray > 0; // true, worst performance, only option available in OFP
Example 3:
[1,2,3] in [[1,2,3], [4,5,6]]; // true - Arma 3 only
Example 4:
private _isInCar = player in Car;
Example 5:
private _isInside = [1000,2000,0] in MyLocation;
Example 6:
private _isInString = "foo" in "foobar"; // true _isInString = "Foo" in "foobar"; // false
Example 7:
private _onFoot = _unit in _unit;
Other options:
private _onFoot = vehicle _unit == _unit;
private _onFoot = isNull objectParent _unit;

Additional Information

See also:
inPolygon inArea find findIf toArray forceUnicode

Notes

Report bugs on the Feedback Tracker and/or discuss them on the Arma Discord or on the Forums.
Only post proven facts here! Add Note
Posted on 2019-10-08 - 21:08 (UTC)
Lou Montana
From a description note:
<unit> in <vehicle> literally does this: vehicle <unit> == <vehicle>. If <vehicle> is the same as <unit> the expression will return true for when the <unit> is on foot and false for when <unit> is in vehicle (see example 7 & 8).
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