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25 lines
717 B
PHP
25 lines
717 B
PHP
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<?php
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namespace common\helpers;
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class StringHelper {
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public static function getEmailMask($email) {
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$username = explode('@', $email)[0];
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$usernameLength = mb_strlen($username);
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$maskChars = '**';
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if ($usernameLength === 1) {
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$mask = $maskChars;
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} elseif($usernameLength === 2) {
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$mask = mb_substr($username, 0, 1) . $maskChars;
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} elseif($usernameLength === 3) {
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$mask = mb_substr($username, 0, 1) . $maskChars . mb_substr($username, 2, 1);
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} else {
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$mask = mb_substr($username, 0, 2) . $maskChars . mb_substr($username, -2, 2);
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}
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return $mask . mb_substr($email, $usernameLength);
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}
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}
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