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<?php $email = user@example.com; echo(strchr($email, "@"));
Output for 5.3.0 - 5.3.27, 5.4.0 - 5.4.20
Parse error: syntax error, unexpected '@' in /in/X7H9X on line 2
Process exited with code 255.
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190.16 ms | 1399 KiB | 56 Q