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<?php namespace ns01 { class cl01 { const ONE1 = 1 +1; const ONE2 = 34 - 34; const ONE3 = true; const ONE4 = 1 % 1; const ONE5 = !true; const ONE6 = ~ 1; const ONE7 = 1 | 1; const ONE8 = 1 & 1; const ONE9 = 1 ^ 1; const ONE99 = '' . 1; const ONE10 = 1 << 1; const ONE11 = 1 >> 1; const ONE12 = 1 . 1; const ONE13 = 1 ?: 1; const ONE14 = 1 <= 1; // const ONE15 = '' => 1; const ONE16 = 1 == 1; const ONE17 = 1 != 1; const ONE18 = 1 < 1; const ONE19 = 1 > 1; const ONE20 = 1 === 1; const ONE21 = (1 !== 1); const ONE22 = 1 && 1; const ONE222 = 1 and 1; const ONE233 = 1 or 1; const ONE24 = 1 xor 1; } }
Output for 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35
Parse error: syntax error, unexpected '+', expecting ',' or ';' in /in/juC6s on line 6
Process exited with code 255.

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