Php filter validate email

<?php
$email_a = 'joe@example.com';
$email_b = 'bogus';

if (filter_var($email_a, FILTER_VALIDATE_EMAIL)) {
    echo "L'adresse email '$email_a' est considérée comme valide.";
}
if (filter_var($email_b, FILTER_VALIDATE_EMAIL)) {
    echo "L'adresse email '$email_b' est considérée comme valide.";
} else {
    echo "L'adresse email '$email_b' est considérée comme invalide.";
}
?>

Php string filter email

filter_var('valid@email.com', FILTER_VALIDATE_EMAIL)//true

filter_var('invalid@email', FILTER_VALIDATE_EMAIL)//false

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