// Usage $result = validateEmail("user+tag@example.com"); if ($result['valid']) echo "Valid: " . $result['email'];
// Length check (local part max 64, domain max 255, total max 320) if (strlen($email) > 320) return ['valid' => false, 'message' => 'Email too long']; validate email address php
return false;
return ['valid' => true, 'message' => 'Email is valid']; // Usage $result = validateEmail("user+tag@example
// Validate format if (!filter_var($email, FILTER_VALIDATE_EMAIL)) return ['valid' => false, 'message' => 'Invalid email format']; // Usage $result = validateEmail("user+tag@example.com")
function validateEmailRegex($email) // Basic regex – not as comprehensive as filter_var $pattern = "/^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]2,$/"; return preg_match($pattern, $email) === 1;
?>