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<?php echo 123_456; echo 12.45_56; echo 0x12_34; echo 0b111_110_001; echo 0b111_110_00_1; echo mb_chr(0x1F_418); // OK echo "\u{1F4_18}"; // KO ?>
Output for rfc.property-hooks, git.master_jit, git.master
Parse error: Invalid UTF-8 codepoint escape sequence in /in/AQRE2 on line 10
Process exited with code 255.

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