- /**
- * ID card
- *
- * @param string $id
- * @return boolean
- */
- function is_idcard( $id )
- {
- $id = strtoupper($id);
- $regx = "/(^d{15}$)|(^d{ 17}([0-9]|X)$)/";
- $arr_split = array();
- if(!preg_match($regx, $id))
- {
- return FALSE;
- }
- if(15= =strlen($id)) //Check 15 digits
- {
- $regx = "/^(d{6})+(d{2})+(d{2})+(d{2})+( d{3})$/";
-
- @preg_match($regx, $id, $arr_split);
- //Check whether the birthday date is correct
- $dtm_birth = "19".$arr_split[2] . '/' . $arr_split[3]. '/' .$arr_split[4];
- if(!strtotime($dtm_birth))
- {
- return FALSE;
- } else {
- return TRUE;
- }
- }
- else //Check 18 Bit
- {
- $regx = "/^(d{6})+(d{4})+(d{2})+(d{2})+(d{3})([0-9] | ;
- if(!strtotime($dtm_birth)) //Check whether the birthday date is correct
- {
- return FALSE;
- }
- else
- {
- //Check whether the check code of the 18-digit ID card is correct.
- //The check digit is generated in accordance with ISO 7064:1983.MOD 11-2. X can be considered as the number 10.
- $arr_int = array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2);
- $arr_ch = array('1' , '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2');
- $sign = 0;
- for ( $i = 0; $i < 17; $i++ )
- {
- $b = (int) $id{$i};
- $w = $arr_int[$i];
- $sign += $b * $w;
- }
- $n = $sign % 11;
- $val_num = $arr_ch[$n];
- if ($val_num != substr($id,17, 1))
- {
- return FALSE;
- }
- else
- {
- return TRUE;
- }
- }
- }
-
- }
-
-
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