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<?php $email = '"hello & bye"@php.net'; var_dump( filter_var($email, FILTER_VALIDATE_EMAIL), filter_var($email, FILTER_SANITIZE_EMAIL), filter_var(filter_var($email, FILTER_SANITIZE_EMAIL), FILTER_VALIDATE_EMAIL) );
Output for git.master, git.master_jit, rfc.property-hooks
bool(false) string(17) "hello&bye@php.net" string(17) "hello&bye@php.net"

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