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validare-cnp.php
45 lines (41 loc) · 1.11 KB
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validare-cnp.php
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<?php
//returneaza cifra de control caracter 13
function cifraControl($sir, $numar = '279146358279') {
$sum = 0;
for ($i=0;$i<strlen($sir);$i++) {
$sum += $sir[$i] * $numar[$i];
}
$ret = $sum % 11;
if ($ret == 10) {
return 1;
}else {
return $ret;
}
}
//adauga un 0 inaintea numerelor de la 1 la 9
function pad(&$value) {
if (strlen($value)==1) {$value = '0'.$value;}
}
/**
* Validare CNP
*
* @param string $value
* @return boolean
*/
function isCnpValid($value) {
$vv = array_merge(range(1,46),array(51,52));
array_walk($vv, 'pad');
//decimal lungime 13
if (preg_match("/\d{13}/", $value)){
if (in_array(substr($value,0,1), array(1,2,3,4,5,6,7,8,9))) {
if (in_array((substr($value,7,2)), $vv)) {
if (preg_match("/^(00[1-9]|0[1-9][0-9]|[1-9][0-9][0-9])$/",substr($value,9,3))){
if (cifraControl(substr($value,0,12)) == substr($value,12,1)) {
return true;
}
}
}
}
}
return false;
}