This character is a Other Symbol and is commonly used, that is, in no specific script.
The glyph is not a composition. It has no designated width in East Asian texts. In bidirectional text it acts as Other Neutral. When changing direction it is not mirrored. U+1F58F offers a line break opportunity at its position, except in some numeric contexts.
The Wikipedia has the following information about this codepoint:
A-okay or A-OK () is a more intensive word form of the English term OK. The phrase can be accompanied by, or substituted with, the OK sign.
Representations
System
Representation (click value to copy)
NΒΊ
128399
UTF-8
F0 9F 96 8F
UTF-16
D8 3D DD 8F
UTF-32
00 01 F5 8F
URL-Quoted
%F0%9F%96%8F
HTML hex reference
🖏
Wrong windows-1252 Mojibake
Γ°ΕΈβΒ
Encoding: GB18030 (hex bytes)
94 39 F1 33
RFC 5137
\u'1F58F'
Bash and Zsh inside echo -e
\U0001F58F
C and C++
\U0001F58F
C#
\U0001F58F
CSS
\01F58F
Excel
=UNICHAR(128399)
Go
\U0001F58F
JavaScript
\uD83D\uDD8F
Modern JavaScript since ES6
\u{1f58f}
JSON
\uD83D\uDD8F
Java
\uD83D\uDD8F
Lua
\u{1F58F}
Matlab
char(128399)
Perl
"\x{1F58F}"
PHP
\u{1f58f}
PostgreSQL
U&'\+01F58F'
PowerShell
`u{1F58F}
Python
\U0001F58F
Ruby
\u{1f58f}
Rust
\u{1f58f}
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