原型
install_themes_upload()
源文件
路径:wp-admin/includes/theme-install.php
<?php
...
function install_themes_upload() {
?>
<p class="install-help"><?php _e('If you have a theme in a .zip format, you may install it by uploading it here.'); ?></p>
<form method="post" enctype="multipart/form-data" class="wp-upload-form" action="<?php echo self_admin_url('update.php?action=upload-theme'); ?>">
<?php wp_nonce_field( 'theme-upload' ); ?>
<label class="screen-reader-text" for="themezip"><?php _e( 'Theme zip file' ); ?></label>
<input type="file" id="themezip" name="themezip" />
<?php submit_button( __( 'Install Now' ), '', 'install-theme-submit', false ); ?>
</form>
<?php
}
...
?>
其他
英文文档:https://developer.wordpress.org/reference/functions/install_themes_upload/