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Some string masking functions using PHP
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| <?php | |
| function maskString($str) | |
| { | |
| $result = ''; | |
| $parts = explode(' ', $str); | |
| foreach ($parts as $part) { | |
| if (!empty($part)) { | |
| if (strlen($part) == 1) { | |
| $result .= '*'; | |
| } else { | |
| $result .= mb_substr($part, 0, 1); | |
| $result .= str_repeat('*', strlen($part) - 1); | |
| $result .= ' '; | |
| } | |
| } | |
| } | |
| if (empty($result)) { | |
| return $str; | |
| } | |
| if (strlen($result) > 1) { | |
| // remove the last space char | |
| $result = substr($result, 0, strlen($result) - 1); | |
| } | |
| return $result; | |
| } | |
| function maskEmailAddress($email) | |
| { | |
| $parts = explode('@', $email); | |
| if (count($parts) <= 1) { | |
| return $email; | |
| } | |
| return maskString($parts[0]) . '@' . $parts[1]; | |
| } | |
| ?> |
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