Email Checker Php !!top!! May 2026

return filter_var($email, FILTER_VALIDATE_EMAIL) !== false;

// Usage $checker = new EmailChecker(); if ($checker->check("user@gmail.com")) echo "Email is valid."; else echo "Invalid: " . implode(", ", $checker->getErrors());

function isDisposableEmail(string $email): bool email checker php

foreach ($mxhosts as $mx) strpos($code, "251") === 0) return true; // 550 = user unknown, don't try other MX if (strpos($code, "550") === 0) return false;

$domain = substr(strrchr($email, "@"), 1); $json = @file_get_contents("https://disposable.debounce.io/?domain=" . urlencode($domain)); if ($json) $data = json_decode($json, true); return isset($data['disposable']) && $data['disposable'] === 'true'; return false; // fallback return filter_var($email, FILTER_VALIDATE_EMAIL)

function isSyntaxValid(string $email): bool

$domain = substr(strrchr($email, "@"), 1); $freeProviders = [ 'gmail.com', 'yahoo.com', 'outlook.com', 'hotmail.com', 'aol.com', 'protonmail.com', 'mail.com', 'gmx.com' ]; return in_array($domain, $freeProviders); FILTER_VALIDATE_EMAIL) !== false

return false;