Check old password from database validation using jquery validate()

Solution Doodz September 29, 2021




checkOldpassword.php


<?php
$item = trim($_GET['oldPassword']);
$query = mysqli_query($con, "SELECT `password` FROM `ee_users` WHERE `user_id`='".$_SESSION['userid']."' and  `password`='".$item."'");
if(mysqli_num_rows($query)== 0) {
echo "false";exit;
} else {
echo "true";exit;
}
?>


jQuery File


<script type="text/javascript">
$(document).ready(function() {
$("#ChangePassword").validate({
rules: {
oldPassword: {
required: true,
remote:'checkOldpassword.php',
},
newPassword: {
required: true,
},
confirmPassword: {
required: true,
equalTo: '#newPassword',
}
},
messages: {
oldPassword: {
required: "This field cannot be blank.",
remote:"Old Password Does Not Match.",
},
newPassword: {
required: "This field cannot be blank.",
},
confirmPassword: {
required: "This field cannot be blank.",
equalTo: "Please enter same password again.",
}
}
});
});
</script>

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