Created
May 26, 2021 06:17
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mengacak KTP yang disimpan di database, dan kadang nomor HP juga.
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<?php | |
/** | |
* variable acak tidak boleh ada angka yang berulang | |
* Untuk membuat kode acak bisa menggunakan shuffle | |
* $acak = [0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15]; | |
* shuffle($acak); | |
* echo implode(',',$acak); | |
* jumlah acakKTP harus sesuai dengan length KTPnya yaitu 16 | |
*/ | |
$acakKTP = [12,13,2,5,6,10,0,1,3,11,8,15,7,4,9,14]; | |
$hasil = acakKTP('3604231234567890'); | |
echo "$hasil\n"; | |
$hasil = balikinKTP($hasil); | |
echo "$hasil\n"; | |
function acakKTP($ktp){ | |
global $acakKTP; | |
if(strlen($ktp)!=16) return $ktp; | |
$hasil = ''; | |
foreach($acakKTP as $k){ | |
$hasil .= substr($ktp,$k,1); | |
} | |
return $hasil; | |
} | |
function balikinKTP($ktp){ | |
global $acakKTP; | |
$tmps = str_split($ktp); | |
$ktps = array(); | |
$jml = count($tmps); | |
for($n=0;$n<$jml;$n++){ | |
$ktps[$acakKTP[$n]] = $tmps[$n]; | |
} | |
ksort($ktps); | |
return implode('',$ktps); | |
} |
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