: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in
<h1><?php esc_html_e( 'Import / Export', 'ninja-forms' ); ?>
<a href="https://ninjaforms.com/docs/import-export/?utm_source=Ninja+Forms+Plugin&utm_medium=Import+Export&utm_campaign=Documentation&utm_content=Import+Export+Documentation" target="_blank">
<img src="<?php echo Ninja_Forms::$url . 'assets/img/help_icon.png'; ?>" alt="Documentation Link" width="25" height="25">
<h2 class="nav-tab-wrapper">
<?php foreach( $tabs as $tab => $name ): ?>
<?php if( $tab == $active_tab ): ?>
<span class="nav-tab nav-tab-active"><?php echo esc_html( $name ) ?></span>
<a href="<?php echo esc_url( add_query_arg( 'tab', $tab) ); ?>" target="" class="nav-tab "><?php echo $name ?></a>
<?php do_meta_boxes('nf_import_export_' . $active_tab, 'advanced', NULL ); ?>
jQuery(document).ready( function($) {
// close postboxes that should be closed
jQuery('.if-js-closed').removeClass('if-js-closed').addClass('closed');
if(version_compare($wp_version,"2.7-alpha", "<")){
echo "add_postbox_toggles('nf_import_export_$active_tab');"; //For WP2.6 and below
echo "postboxes.add_postbox_toggles('nf_import_export_$active_tab');"; //For WP2.7 and above