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_show_post_preview is private and should not be used in themes or plugins directly.
_show_post_preview › WordPress Function
Since2.7.0
已弃用n/a
› _show_post_preview ( 没有参数 )
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Filters the latest content for preview from the post autosave.
Related Functions: post_preview, wp_post_preview_js, _set_preview, is_post_type_viewable, is_preview
源码
function _show_post_preview() {
if ( isset( $_GET['preview_id'] ) && isset( $_GET['preview_nonce'] ) ) {
$id = (int) $_GET['preview_id'];
if ( false === wp_verify_nonce( $_GET['preview_nonce'], 'post_preview_' . $id ) ) {
wp_die( __( 'Sorry, you are not allowed to preview drafts.' ), 403 );
}
add_filter( 'the_preview', '_set_preview' );
}
}