: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in
<input type="hidden" name="nf_edit_sub" value="1">
<div id="minor-publishing">
<ul class="nf-sub-stats">
<li class="nf-sub-info-seq">
#: <strong><?php echo $seq_num; ?></strong>
<li class="nf-sub-info-status">
Status: <strong><?php echo $status; ?></strong>
<?php do_action( 'nf_sub_edit_after_status', $post ); ?>
<li class="nf-sub-info-form">
Form: <strong><?php echo $form_title; ?></strong>
<li class="nf-sub-info-updated">
<?php esc_html_e( 'Updated on: ', 'ninja-forms' ); ?><strong><?php echo $mod_date; ?></strong>
<?php do_action( 'nf_sub_edit_date_modified', $post ); ?>
<li class="nf-sub-info-created">
<?php esc_html_e( 'Submitted on: ', 'ninja-forms' ); ?><strong><?php echo $sub_date; ?></strong>
<?php do_action( 'nf_sub_edit_date_submitted', $post ); ?>
<li class="nf-sub-info-user"><?php esc_html_e( 'Submitted by: ', 'ninja-forms' ); ?><strong><?php echo $user; ?></strong></li>
<div id="major-publishing-actions" class="nf-sub-actions">
<div id="delete-action"><a class="submitdelete deletion" style="color:red;" href="<?php echo get_delete_post_link( $post->ID ); ?>"><?php esc_html_e( 'Move to Trash', 'ninja-forms' ); ?></a></div>
<input name="save" type="submit" class="button button-primary button-large nf-sub-actions-save" id="publish" accesskey="p" value="<?php esc_html_e( 'Update', 'ninja-forms' ); ?>">
<span class="spinner"></span>
<!-- TODO: Move to Stylesheet. -->
.nf-sub-info-form:before,
.nf-sub-info-status:before,
.nf-sub-info-created:before,
.nf-sub-info-updated:before,
.nf-sub-info-user:before {
font: 400 1.4em dashicons;
.nf-sub-info-form:before,
.nf-sub-info-status:before {
/* Dashicon: Post Screen - Status */
.nf-sub-info-created:before,
.nf-sub-info-updated:before {
/* Dashicon: Post Screen - Calendar */
.nf-sub-info-user:before {
/* Dashicon: Admin Menu - Users */
margin: 10px -12px -12px;
.nf-sub-actions .nf-sub-actions-save {