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	while($x<=$pinNo) {
		$pinsql="INSERT INTO `pin_list`(`userid`, `pin`, `pinAmt`, `pinNo`, `status`) VALUES ('$userid', '$pint', '100', '$pinNo', '1')";

          alert('E-pin Generated successfully');

	//Function for pin Generate
	function pin_generate() {
		global $db;
		$pint=mt_rand(10000, 9999999);
		$sql="SELECT * FROM pin_list where pin='$pint'";
		if(mysqli_num_rows($run)>0); {
		else {
			return $pint;

What I have tried:

i tried but same error occurs i can't understand the error any one help me to solve this issue.
Updated 30-Aug-20 9:52am

if(mysqli_num_rows($run)>0); {
                           ^ remove semicolon here
It looks like there is a spurious semicolon in this line:
if(mysqli_num_rows($run)>0); {

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