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Filename : comment.php
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<?php
/**
 * Comment Management Screen
 *
 * @package WordPress
 * @subpackage Administration
 */

/** Load WordPress Bootstrap */
require_once __DIR__ . '/admin.php';

$parent_file  = 'edit-comments.php';
$submenu_file = 'edit-comments.php';

/**
 * @global string $action
 */
global $action;

$action = ! empty( $_REQUEST['action'] ) ? sanitize_text_field( $_REQUEST['action'] ) : '';

if ( isset( $_POST['deletecomment'] ) ) {
	$action = 'deletecomment';
}

if ( 'cdc' === $action ) {
	$action = 'delete';
} elseif ( 'mac' === $action ) {
	$action = 'approve';
}

if ( isset( $_GET['dt'] ) ) {
	if ( 'spam' === $_GET['dt'] ) {
		$action = 'spam';
	} elseif ( 'trash' === $_GET['dt'] ) {
		$action = 'trash';
	}
}

if ( isset( $_REQUEST['c'] ) ) {
	$comment_id = absint( $_REQUEST['c'] );
	$comment    = get_comment( $comment_id );

	// Prevent actions on a comment associated with a trashed post.
	if ( $comment && 'trash' === get_post_status( $comment->comment_post_ID ) ) {
		wp_die(
			__( 'You cannot edit this comment because the associated post is in the Trash. Please restore the post first, then try again.' )
		);
	}
} else {
	$comment_id = 0;
	$comment    = null;
}

switch ( $action ) {

	case 'editcomment':
		// Used in the HTML title tag.
		$title = __( 'Edit Comment' );

		get_current_screen()->add_help_tab(
			array(
				'id'      => 'overview',
				'title'   => __( 'Overview' ),
				'content' =>
					'<p>' . __( 'You can edit the information left in a comment if needed. This is often useful when you notice that a commenter has made a typographical error.' ) . '</p>' .
					'<p>' . __( 'You can also moderate the comment from this screen using the Status box, where you can also change the timestamp of the comment.' ) . '</p>',
			)
		);

		get_current_screen()->set_help_sidebar(
			'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
			'<p>' . __( '<a href="https://wordpress.org/documentation/article/comments-screen/">Documentation on Comments</a>' ) . '</p>' .
			'<p>' . __( '<a href="https://wordpress.org/support/forums/">Support forums</a>' ) . '</p>'
		);

		wp_enqueue_script( 'comment' );
		require_once ABSPATH . 'wp-admin/admin-header.php';

		if ( ! $comment ) {
			comment_footer_die( __( 'Invalid comment ID.' ) . sprintf( ' <a href="%s">' . __( 'Go back' ) . '</a>.', 'javascript:history.go(-1)' ) );
		}

		if ( ! current_user_can( 'edit_comment', $comment_id ) ) {
			comment_footer_die( __( 'Sorry, you are not allowed to edit this comment.' ) );
		}

		if ( 'trash' === $comment->comment_approved ) {
			comment_footer_die( __( 'This comment is in the Trash. Please move it out of the Trash if you want to edit it.' ) );
		}

		$comment = get_comment_to_edit( $comment_id );

		require ABSPATH . 'wp-admin/edit-form-comment.php';

		break;

	case 'delete':
	case 'approve':
	case 'trash':
	case 'spam':
		// Used in the HTML title tag.
		$title = __( 'Moderate Comment' );

		if ( ! $comment ) {
			wp_redirect( admin_url( 'edit-comments.php?error=1' ) );
			die();
		}

		if ( ! current_user_can( 'edit_comment', $comment->comment_ID ) ) {
			wp_redirect( admin_url( 'edit-comments.php?error=2' ) );
			die();
		}

		// No need to re-approve/re-trash/re-spam a comment.
		if ( str_replace( '1', 'approve', $comment->comment_approved ) === $action ) {
			wp_redirect( admin_url( 'edit-comments.php?same=' . $comment_id ) );
			die();
		}

		require_once ABSPATH . 'wp-admin/admin-header.php';

		$formaction    = $action . 'comment';
		$nonce_action  = ( 'approve' === $action ) ? 'approve-comment_' : 'delete-comment_';
		$nonce_action .= $comment_id;

		?>
	<div class="wrap">

	<h1><?php echo esc_html( $title ); ?></h1>

		<?php
		switch ( $action ) {
			case 'spam':
				$caution_msg = __( 'You are about to mark the following comment as spam:' );
				$button      = _x( 'Mark as spam', 'comment' );
				break;
			case 'trash':
				$caution_msg = __( 'You are about to move the following comment to the Trash:' );
				$button      = __( 'Move to Trash' );
				break;
			case 'delete':
				$caution_msg = __( 'You are about to delete the following comment:' );
				$button      = __( 'Permanently delete comment' );
				break;
			default:
				$caution_msg = __( 'You are about to approve the following comment:' );
				$button      = __( 'Approve comment' );
				break;
		}

		if ( '0' !== $comment->comment_approved ) { // If not unapproved.
			$message = '';
			switch ( $comment->comment_approved ) {
				case '1':
					$message = __( 'This comment is currently approved.' );
					break;
				case 'spam':
					$message = __( 'This comment is currently marked as spam.' );
					break;
				case 'trash':
					$message = __( 'This comment is currently in the Trash.' );
					break;
			}
			if ( $message ) {
				wp_admin_notice(
					$message,
					array(
						'type' => 'info',
						'id'   => 'message',
					)
				);
			}
		}
		wp_admin_notice(
			'<strong>' . __( 'Caution:' ) . '</strong> ' . $caution_msg,
			array(
				'type' => 'warning',
				'id'   => 'message',
			)
		);
		?>

<table class="form-table comment-ays">
<tr>
	<th scope="row"><?php _e( 'Author' ); ?></th>
	<td><?php comment_author( $comment ); ?></td>
</tr>
		<?php if ( get_comment_author_email( $comment ) ) { ?>
<tr>
	<th scope="row"><?php _e( 'Email' ); ?></th>
	<td><?php comment_author_email( $comment ); ?></td>
</tr>
<?php } ?>
		<?php if ( get_comment_author_url( $comment ) ) { ?>
<tr>
	<th scope="row"><?php _e( 'URL' ); ?></th>
	<td><a href="<?php comment_author_url( $comment ); ?>"><?php comment_author_url( $comment ); ?></a></td>
</tr>
<?php } ?>
<tr>
	<th scope="row"><?php /* translators: Column name or table row header. */ _e( 'In response to' ); ?></th>
	<td>
		<?php
		$post_id = $comment->comment_post_ID;
		if ( current_user_can( 'edit_post', $post_id ) ) {
			$post_link  = "<a href='" . esc_url( get_edit_post_link( $post_id ) ) . "'>";
			$post_link .= esc_html( get_the_title( $post_id ) ) . '</a>';
		} else {
			$post_link = esc_html( get_the_title( $post_id ) );
		}
		echo $post_link;

		if ( $comment->comment_parent ) {
			$parent      = get_comment( $comment->comment_parent );
			$parent_link = esc_url( get_comment_link( $parent ) );
			$name        = get_comment_author( $parent );
			printf(
				/* translators: %s: Comment link. */
				' | ' . __( 'In reply to %s.' ),
				'<a href="' . $parent_link . '">' . $name . '</a>'
			);
		}
		?>
	</td>
</tr>
<tr>
	<th scope="row"><?php _e( 'Submitted on' ); ?></th>
	<td>
		<?php
		$submitted = sprintf(
			/* translators: 1: Comment date, 2: Comment time. */
			__( '%1$s at %2$s' ),
			/* translators: Comment date format. See https://www.php.net/manual/datetime.format.php */
			get_comment_date( __( 'Y/m/d' ), $comment ),
			/* translators: Comment time format. See https://www.php.net/manual/datetime.format.php */
			get_comment_date( __( 'g:i a' ), $comment )
		);
		if ( 'approved' === wp_get_comment_status( $comment ) && ! empty( $comment->comment_post_ID ) ) {
			echo '<a href="' . esc_url( get_comment_link( $comment ) ) . '">' . $submitted . '</a>';
		} else {
			echo $submitted;
		}
		?>
	</td>
</tr>
<tr>
	<th scope="row"><?php /* translators: Field name in comment form. */ _ex( 'Comment', 'noun' ); ?></th>
	<td class="comment-content">
		<?php comment_text( $comment ); ?>
		<p class="edit-comment">
			<a href="<?php echo esc_url( admin_url( "comment.php?action=editcomment&c={$comment->comment_ID}" ) ); ?>"><?php esc_html_e( 'Edit' ); ?></a>
		</p>
	</td>
</tr>
</table>

<form action="comment.php" method="get" class="comment-ays-submit">
	<p>
		<?php submit_button( $button, 'primary', 'submit', false ); ?>
		<a href="<?php echo esc_url( admin_url( 'edit-comments.php' ) ); ?>" class="button-cancel"><?php esc_html_e( 'Cancel' ); ?></a>
	</p>

		<?php wp_nonce_field( $nonce_action ); ?>
	<input type="hidden" name="action" value="<?php echo esc_attr( $formaction ); ?>" />
	<input type="hidden" name="c" value="<?php echo esc_attr( $comment->comment_ID ); ?>" />
	<input type="hidden" name="noredir" value="1" />
</form>

</div>
		<?php
		break;

	case 'deletecomment':
	case 'trashcomment':
	case 'untrashcomment':
	case 'spamcomment':
	case 'unspamcomment':
	case 'approvecomment':
	case 'unapprovecomment':
		$comment_id = absint( $_REQUEST['c'] );

		if ( in_array( $action, array( 'approvecomment', 'unapprovecomment' ), true ) ) {
			check_admin_referer( 'approve-comment_' . $comment_id );
		} else {
			check_admin_referer( 'delete-comment_' . $comment_id );
		}

		$noredir = isset( $_REQUEST['noredir'] );

		$comment = get_comment( $comment_id );
		if ( ! $comment ) {
			comment_footer_die( __( 'Invalid comment ID.' ) . sprintf( ' <a href="%s">' . __( 'Go back' ) . '</a>.', 'edit-comments.php' ) );
		}
		if ( ! current_user_can( 'edit_comment', $comment->comment_ID ) ) {
			comment_footer_die( __( 'Sorry, you are not allowed to edit comments on this post.' ) );
		}

		if ( wp_get_referer() && ! $noredir && ! str_contains( wp_get_referer(), 'comment.php' ) ) {
			$redir = wp_get_referer();
		} elseif ( wp_get_original_referer() && ! $noredir ) {
			$redir = wp_get_original_referer();
		} elseif ( in_array( $action, array( 'approvecomment', 'unapprovecomment' ), true ) ) {
			$redir = admin_url( 'edit-comments.php?p=' . absint( $comment->comment_post_ID ) );
		} else {
			$redir = admin_url( 'edit-comments.php' );
		}

		$redir = remove_query_arg( array( 'spammed', 'unspammed', 'trashed', 'untrashed', 'deleted', 'ids', 'approved', 'unapproved' ), $redir );

		switch ( $action ) {
			case 'deletecomment':
				wp_delete_comment( $comment );
				$redir = add_query_arg( array( 'deleted' => '1' ), $redir );
				break;
			case 'trashcomment':
				wp_trash_comment( $comment );
				$redir = add_query_arg(
					array(
						'trashed' => '1',
						'ids'     => $comment_id,
					),
					$redir
				);
				break;
			case 'untrashcomment':
				wp_untrash_comment( $comment );
				$redir = add_query_arg( array( 'untrashed' => '1' ), $redir );
				break;
			case 'spamcomment':
				wp_spam_comment( $comment );
				$redir = add_query_arg(
					array(
						'spammed' => '1',
						'ids'     => $comment_id,
					),
					$redir
				);
				break;
			case 'unspamcomment':
				wp_unspam_comment( $comment );
				$redir = add_query_arg( array( 'unspammed' => '1' ), $redir );
				break;
			case 'approvecomment':
				wp_set_comment_status( $comment, 'approve' );
				$redir = add_query_arg( array( 'approved' => 1 ), $redir );
				break;
			case 'unapprovecomment':
				wp_set_comment_status( $comment, 'hold' );
				$redir = add_query_arg( array( 'unapproved' => 1 ), $redir );
				break;
		}

		wp_redirect( $redir );
		die;

	case 'editedcomment':
		$comment_id      = absint( $_POST['comment_ID'] );
		$comment_post_id = absint( $_POST['comment_post_ID'] );

		check_admin_referer( 'update-comment_' . $comment_id );

		$updated = edit_comment();
		if ( is_wp_error( $updated ) ) {
			wp_die( $updated->get_error_message() );
		}

		$location = ( empty( $_POST['referredby'] ) ? "edit-comments.php?p=$comment_post_id" : $_POST['referredby'] ) . '#comment-' . $comment_id;

		/**
		 * Filters the URI the user is redirected to after editing a comment in the admin.
		 *
		 * @since 2.1.0
		 *
		 * @param string $location The URI the user will be redirected to.
		 * @param int $comment_id The ID of the comment being edited.
		 */
		$location = apply_filters( 'comment_edit_redirect', $location, $comment_id );

		wp_redirect( $location );
		exit;

	default:
		wp_die( __( 'Unknown action.' ) );

} // End switch.

require_once ABSPATH . 'wp-admin/admin-footer.php';