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| Checks whether value is in array, unit is in vehicle, position is inside location or string is part of other string.
| 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]].
{{Informative | [[String]] comparison is case-sensitive (see Examples '''2''' and '''6''').}}
{{Informative | [[String]] comparison is case-sensitive (see Examples '''2''' and '''6''').}}
{{Feature arma3 | Since {{arma3}} you can test for arrays within arrays.}} |DESCRIPTION=
{{Feature arma3 | Since {{arma3}} you can test for arrays within arrays.}} |DESCRIPTION=
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{{cc|[[isNull]] [[objectParent]] _unit is even faster}}</code> |Example8=
{{cc|[[isNull]] [[objectParent]] _unit is even faster}}</code> |Example8=


|[[inPolygon]], [[inArea]], [[set]], [[resize]], [[reverse]], [[pushBack]], [[pushBackUnique]], [[apply]], [[select]], [[find]], [[toArray]], [[toString]], [[forEach]], [[count]], [[deleteAt]], [[deleteRange]], [[append]], [[sort]], [[param]], [[params]], [[arrayIntersect]], [[splitString]], [[joinString]]|SEEALSO=
|[[inPolygon]], [[inArea]], [[set]], [[resize]], [[reverse]], [[pushBack]], [[pushBackUnique]], [[apply]], [[select]], [[find]], [[toArray]], [[toString]], [[forEach]], [[count]], [[deleteAt]], [[deleteRange]], [[append]], [[sort]], [[param]], [[params]], [[arrayIntersect]], [[splitString]], [[joinString]], [[forceUnicode]]|SEEALSO=
}}
}}



Revision as of 00:39, 13 November 2020

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).
Arma 3
Since Arma 3 you can test for arrays within arrays.
Groups:
StringsArraysLocationsUnit 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 Template:since
Parameters:
position: Array - format Position2D or Position3D
location: Location
Return Value:
Boolean

Syntax 4

Syntax:
needle in haystack Template:since
Parameters:
needle: String - string to search for
haystack: String - string to search in
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 findIf { if (_x == "aaa") exitWith {1} } count _myArray > 0; // true { _x == "aaa"; } count _myArray > 0; // true, worst performance // only option available in OFP
Example 3:
Arma 3:[1,2,3] in [[1,2,3], [4,5,6]]; // true
Example 4:
_isInCar = player in car;
Example 5:
_isInside = [1000,2000,0] in myLocation;
Example 6:
_isInString = "foo" in "foobar"; // true _isInString = "Foo" in "foobar"; // false
Example 7:
private _boarded = player in _groupVehicle;
Example 8:
private _onFoot = _unit in _unit; // vehicle _unit == _unit works // isNull objectParent _unit is even faster

Additional Information

See also:
inPolygoninAreasetresizereversepushBackpushBackUniqueapplyselectfindtoArraytoStringforEachcountdeleteAtdeleteRangeappendsortparamparamsarrayIntersectsplitStringjoinStringforceUnicode

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

Notes

Posted on October 8, 2019 - 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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