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<?php for ($i = -1; $i < 2; $i++) { for ($j = -1; $j < 2; $j++) { echo sprintf("%2d <=> %2d: %2d" . PHP_EOL, $i, $j, $i <=> $j); } }
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 8.0.0 - 8.0.12, 8.1rc1 - rc3
-1 <=> -1: 0 -1 <=> 0: -1 -1 <=> 1: -1 0 <=> -1: 1 0 <=> 0: 0 0 <=> 1: -1 1 <=> -1: 1 1 <=> 0: 1 1 <=> 1: 0
Output for 4.4.2 - 4.4.9, 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 - 5.6.40
Parse error: syntax error, unexpected '>' in /in/WcRSo on line 5
Process exited with code 255.
Output for 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '>' in /in/WcRSo on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/WcRSo on line 5
Process exited with code 255.

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