Here is an example of how the `SHARED_BYTE_DATA_STRUCTURE` class and its `$_8BIT_PermutationTable` member variable might be used for compression in PHP:
```
class SHARED_BYTE_DATA_STRUCTURE {
    public $_8BIT_PermutationTable = [
        '00000000','00000001','00000010','00000011','00000100','00000101','00000110','00000111','00001000','00001001','00001010','00001011','00001100','00001101','00001110','00001111',
        '00010000','00010001','00010010','00010011','00010100','00010101','00010110','00010111','00011000','00011001','00011010','00011011','00011100','00011101','00011110','00011111',
        '00100000','00100001','00100010','00100011','00100100','00100101','00100110','00100111','00101000','00101001','00101010','00101011','00101100','00101101','00101110','00101111',
        '00110000','00110001','00110010','00110011','00110100','00110101','00110110','00110111','00111000','00111001','00111010','00111011','00111100','00111101','00111110','00111111',
        '01000000','01000001','01000010','01000011','01000100','01000101','01000110','01000111','01001000','01001001','01001010','01001011','01001100','01001101','01001110','01001111',
        '01010000','01010001','01010010','01010011','01010100','01010101','01010110','01010111','01011000','01011001','01011010','01011011','01011100','01011101','01011110','01011111',
        '01100000','01100001','01100010','01100011','01100100','01100101','01100110','01100111','01101000','01101001','01101010','01101011','01101100','01101101','01101110','01101111',
        '01110000','01110001','01110010','01110011','01110100','01110101','01110110','01110111','01111000','01111001','01111010','01111011','01111100','01111101','01111110','01111111',
        '10000000','10000001','10000010','10000011','10000100','10000101','10000110','10000111','10001000','10001001','10001010','10001011','10001100','10001101','10001110','10001111',
        '10010000','10010001','10010010','10010011','10010100','10010101','10010110','10010111','10011000','10011001','10011010','10011011','10011100','10011101','10011110','10011111',
        '10100000','10100001','10100010','10100011','10100100','10100101','10100110','10100111','10101000
```
eHre는 PHP에서 압축을 위해 `SHARED_BYTE_DATA_STRUCTURE` 클래스와 그 `$_8BIT_PermutationTable` 멤버 변수가 어떻게 사용되는지 보여주는 예시입니다:```class SHARED_BYTE_DATA_STRUCTURE {    public $_8BIT_PermutationTable = [        '00000000','00000001','00000010','00000011','00000100','00000101','00000110','00000111','00001000','00001001','00001010','00001011','00001100','00001101','00001110','00001111',        '00010000','00010001','00010010','00010011','00010100','00010101','00010110','00010111','00011000','00011001','00011010','00011011','00011100','00011101','00011110','00011111',        '00100000','00100001','00100010','00100011','00100100','00100101','00100110','00100111','00101000','00101001','00101010','00101011','00101100','00101101','00101110','00101111',        '00110000','00110001','00110010','00110011','00110100','00110101','00110110','00110111','00111000','00111001','00111010','00111011','00111100','00111101','00111110','00111111',        '01000000','01000001','01000010','01000011','01000100','01000101','01000110','01000111','01001000','01001001','01001010','01001011','01001100','01001101','01001110','01001111',        '01010000','01010001','01010010','01010011','01010100','01010101','01010110','01010111','01011000','01011001','01011010','01011011','01011100','01011101','01011110','01011111',        '01100000','01100001','01100010','01100011','01100100','01100101','01100110','01100111','01101000','01101001','01101010','01101011','01101100','01101101','01101110','01101111',        '01110000','01110001','01110010','01110011','01110100','01110101','01110110','01110111','01111000','01111001','01111010','01111011','01111100','01111101','01111110','01111111',        '10000000','10000001','10000010','10000011','10000100','10000101','10000110','10000111','10001000','10001001','10001010','10001011','10001100','10001101','10001110','10001111',        '10010000','10010001','10010010','10010011','10010100','10010101','10010110','10010111','10011000','10011001','10011010','10011011','10011100','10011101','10011110','10011111',        '10100000','10100001','10100010','10100011','10100100','10100101','10100110','10100111','10101000```