: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in
* Customize API: WP_Customize_Themes_Panel class
* Customize Themes Panel Class
* @see WP_Customize_Panel
class WP_Customize_Themes_Panel extends WP_Customize_Panel {
* An Underscore (JS) template for rendering this panel's container.
* The themes panel renders a custom panel heading with the active theme and a switch themes button.
* @see WP_Customize_Panel::print_template()
protected function render_template() {
<li id="accordion-section-{{ data.id }}" class="accordion-section control-panel-themes">
<h3 class="accordion-section-title">
if ( $this->manager->is_theme_active() ) {
echo '<span class="customize-action">' . __( 'Active theme' ) . '</span> {{ data.title }}';
echo '<span class="customize-action">' . __( 'Previewing theme' ) . '</span> {{ data.title }}';
<?php if ( current_user_can( 'switch_themes' ) ) : ?>
<button type="button" class="button change-theme" aria-label="<?php esc_attr_e( 'Change theme' ); ?>"><?php _ex( 'Change', 'theme' ); ?></button>
<ul class="accordion-sub-container control-panel-content"></ul>
* An Underscore (JS) template for this panel's content (but not its container).
* Class variables for this panel class are available in the `data` JS object;
* export custom variables by overriding WP_Customize_Panel::json().
* @see WP_Customize_Panel::print_template()
protected function content_template() {
<li class="panel-meta customize-info accordion-section <# if ( ! data.description ) { #> cannot-expand<# } #>">
<button class="customize-panel-back" tabindex="-1" type="button"><span class="screen-reader-text">
/* translators: Hidden accessibility text. */
<div class="accordion-section-title">
<span class="preview-notice">
/* translators: %s: Themes panel title in the Customizer. */
__( 'You are browsing %s' ),
'<strong class="panel-title">' . __( 'Themes' ) . '</strong>'
); // Separate strings for consistency with other panels.
<?php if ( current_user_can( 'install_themes' ) && ! is_multisite() ) : ?>
<# if ( data.description ) { #>
<button class="customize-help-toggle dashicons dashicons-editor-help" type="button" aria-expanded="false"><span class="screen-reader-text">
/* translators: Hidden accessibility text. */
<?php if ( current_user_can( 'install_themes' ) && ! is_multisite() ) : ?>
<# if ( data.description ) { #>
<div class="description customize-panel-description">
<div class="customize-control-notifications-container"></div>
<li class="customize-themes-full-container-container">
<div class="customize-themes-full-container">
<div class="customize-themes-notifications"></div>