Online PHP editor | output for KSuS6

@ 2023-03-17T22:41:42Z

<?php

$array = explode(PHP_EOL, '123 – 45 – 6789
111000025
021000021
031902766
067014822
122000247
123456789
987654321
012345678901
876543210987
112233445566
123456789
123-456789
123456789
123 45 6789
123-45-6789
123-45-6789
123 – 45 – 6789
123.45.6789
123_45_6789
123 456 789
123-456-789
123 – 456 – 789
123.456.789
123_456_789
1234 56 789
1234-56-789
1234 – 56 – 789
1234.56.789
1234_56_789
12 345 6789
12-345-6789
12 – 345 – 6789
12.345.6789
12_345_6789');

var_export(
    preg_replace(
        '/[-–_ .\d](?=[-–_ .\d]*\d{4}$)/',
        '*',
        $array
    )
);

Output for 8.0.1 - 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: array ( 0 => '***************6789', 1 => '*****0025', 2 => '*****0021', 3 => '*****2766', 4 => '*****4822', 5 => '*****0247', 6 => '*****6789', 7 => '*****4321', 8 => '********8901', 9 => '********0987', 10 => '********5566', 11 => '*****6789', 12 => '******6789', 13 => '*****6789', 14 => '*******6789', 15 => '*******6789', 16 => '*******6789', 17 => '***************6789', 18 => '*******6789', 19 => '*******6789', 20 => '123 456 789', 21 => '123-456-789', 22 => '123 – 456 – 789', 23 => '123.456.789', 24 => '123_456_789', 25 => '1234 56 789', 26 => '1234-56-789', 27 => '1234 – 56 – 789', 28 => '1234.56.789', 29 => '1234_56_789', 30 => '*******6789', 31 => '*******6789', 32 => '***************6789', 33 => '*******6789', 34 => '*******6789', )

preferences:dark modelive previewkey bindings