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run code in 300+ PHP versions simultaneously

@ 2015-03-18T13:54:19Z

<?php echo pack('C*',
                        31+31+3             +1+3+1
                      +3-     1,31        +31+ 3*1
                              ,31+             31+
                             3+1+              3+1
                          +3+1                 +3+
                        1+3-1,                 31+
                        31+3+                  1+3
                          +1+3                 +1+
                             3+1+              3-1
                              ,31+             31+
                      3+1     +3+1             +3+
                        1+3+1+3           +1+3+1+3*1,31
    
                      +(3>1),31+                31
                          +3                    +1,
                          31        +         31+3      +       1     +
                          3+     1+   3*    1,  31   +31  +3    +1   +3
                          +1    +3     +1  +3   +1  +3     +1,  31   +31
                          +3    +1     +3  +1   +3  +1     +3   +1   +3
                          +1     +3   -1,   31  +31  +3    +1    +3 +1
                          +3       -1,        31+       31+3+      1+
                                                                  3-
                                                               1,31

                       +31+3*1,31+31+3+1+3+1+3+1+3+1+3+1+3+1+3*1,31+3-1
);

Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.31, 7.1.0 - 7.1.23, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0: HAPPY BIRTHDAY!
Output for 8.4.15: /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.

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