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run code in 300+ PHP versions simultaneously
<?php function mask_email($email, $masks = 5) { $array = explode("@", $email); $string_length = strlen($array[0]); if ($string_length < $masks) $masks = $string_length; $result = substr($array[0], 0, -$masks) . str_repeat('*', $masks); return $result."@".$array[1]; } echo mask_email("test@test.com")."\n"; echo mask_email("longeremail@test.com")."\n"; echo mask_email("longeremail@test.com", 2)."\n";
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
****@test.com longer*****@test.com longerema**@test.com
preferences:
84.33 ms | 2006 KiB | 4 Q