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<?php $email='test@test.com'; if(filter_var($email,filter_validate_email)) { echo $email;} else {echo 'invalid';} ?>
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Undefined constant "filter_validate_email" in /in/CDhka:3 Stack trace: #0 {main} thrown in /in/CDhka on line 3
Process exited with code 255.

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