Images not updating properly in Database - php

Question

I have created dynamic add / remove file field to insert image in database. But somehow it is not working properly. Following is my code...
$member_image_names = array_map( 'sanitize_file_name', $_FILES['member_image']['name'] );
foreach ( $member_image_names as $member_image_name ) {
if ( empty( $member_image_name ) ) {
global $wpdb;
$project_id = $_SESSION['project_id'];
$project_member_details = $wpdb->get_var( $wpdb->prepare( "SELECT project_members FROM wpxa_orocox_project_members WHERE project_id = %d", $project_id ) );
$project_member_detail = json_decode( $project_member_details, true );
$member_image_newname = $project_member_detail['member_image'];
} else {
$member_image_ext = strtolower( end( explode( '.', $member_image_name ) ) );
$member_image_newname[] = get_current_user_id() . $_SESSION['project_id'] . "_" . time() . "_" . mt_rand() . "." . $member_image_ext;
}
$member_details->member_image = $member_image_newname;
$member_details_encode = wp_json_encode( $member_details );
global $wpdb;
$members_result_update = $wpdb->update( 'wpxa_project_members',
array( 'project_members' => $member_details_encode ),
array( 'project_id' => $_SESSION['project_id'] ),
array( '%s' ),
array( '%d' )
);
if ( ! empty( $members_result_update ) ) {
$member_details_decode = json_decode($member_details_encode, true);
$count_member_decode = count( $member_details_decode['member_image'] );
for ( $i = 0; $i < $count_member_decode; $i++ ) {
$m_image_name = $member_details_decode['member_image'][$i];
$profile_image_folder = "profile-images/";
$profile_image_path = trim( $profile_image_folder . basename( $m_image_name ) );
$profile_image_temp = $_FILES['member_image']['tmp_name'][$i];
$profile_image_ext = strtolower( end( explode( '.', $m_image_name ) ) );
if ( $profile_image_ext == "jpg" || $profile_image_ext == "png" || $profile_image_ext == "jpeg" || $profile_image_ext == "gif" ) {
move_uploaded_file( $profile_image_temp, $profile_image_path );
}
}
}
}
Every thing works well but when I select a new image in first field and submit the value to the database, it removes all other images of other fields from database...
And if I select image for other fields and submit the value to database it then creates new field with that value...
In simple terms, When I want to update any particular file field in the dynamic add / remove file field then that particular field should only be get updated and other fields should remain intact.
Pl Help...

Answer 1

I had this problem and i did it :(Example)
if ( empty( $options['index1_cardimg'] ) ) {$options['index1_cardimg'] = get_myoption_value('index1_cardimg');}
without this check (if (empty){}) all other fields will be reset .
just you need to fill them by last data (if they dont send) .
with a code like this:
if ( empty( $members_result_update ) ) {
// fill Other options with last value
}