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Description

Turn on maintenance mode before attempting to upgrade the current theme.

Hooked to the upgrader_pre_install filter by Theme_Upgrader::upgrade() and Theme_Upgrader::bulk_upgrade().

Usage

$bool|WP_Error = Theme_Upgrader::current_before( $return, $theme );

Parameters

$return

( bool|WP_Error ) required – Upgrade offer return.

$theme

( array ) required – Theme arguments.

Returns

bool|WP_Error The passed in $return param or WP_Error.

Source

File name: wordpress/wp-admin/includes/class-theme-upgrader.php

  public function current_before( $return, $theme ) {
    if ( is_wp_error( $return ) ) {
      return $return;
    }

    $theme = isset( $theme['theme'] ) ? $theme['theme'] : '';

    // Only run if current theme
    if ( get_stylesheet() !== $theme ) {
      return $return;
    }

    // Change to maintenance mode. Bulk edit handles this separately.
    if ( ! $this->bulk ) {
      $this->maintenance_mode( true );
    }

    return $return;
  }
 

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