WordPress Post Quick Edit. Reference https://generatewp.com/managing-content-easily-quick-edit/

post-quick-edit.php

<?php
// Add a Custom Column
function pqe_quickedit_custom_posts_columns( $posts_columns ) {
	$posts_columns['pqe_edit_time'] = __( 'Edit Time', 'pqe' );
	return $posts_columns;
}
add_filter( 'manage_post_posts_columns', 'pqe_quickedit_custom_posts_columns' );

// Display content for new Custom Column
function pqe_quickedit_custom_column_display( $column_name, $post_id ) {
	if ( 'pqe_edit_time' == $column_name ) {
		$time_recorded = get_post_meta( $post_id, 'pqe_edit_time', true );

		if ( $time_recorded ) {
			echo esc_html( $time_recorded );
		} else {
			esc_html_e( 'N/A', 'generatewp' );
		}
	}
}
add_action( 'manage_post_posts_custom_column', 'pqe_quickedit_custom_column_display', 10, 2 );

// Add a Quick Edit controller field
function pqe_quickedit_fields( $column_name, $post_type ) {
	if ( 'pqe_edit_time' != $column_name )
		return;

	$time_recorded = get_post_meta( $post_id, 'pqe_edit_time', true );
	?>
	<fieldset class="inline-edit-col-right">
		<div class="inline-edit-col">
			<label>
				<span class="title"><?php esc_html_e( 'Time', 'generatewp' ); ?></span>
				<span class="input-text-wrap">
					<input type="text" name="pqe_edit_time" class="pqe_edittime" value="">
				</span>
			</label>
		</div>
	</fieldset>
	<?php
}
add_action( 'quick_edit_custom_box', 'pqe_quickedit_fields', 10, 2 );

// Save the Quick Edit field data
function pqe_quickedit_save_post( $post_id, $post ) {
	// if called by autosave, then bail here
	if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE )
		return;

	// if this "post" post type?
	if ( $post->post_type != 'post' )
		return;

	// does this user have permissions?
	if ( ! current_user_can( 'edit_post', $post_id ) )
		return;
	
	// update!
	if ( isset( $_POST['pqe_edit_time'] ) ) {
		update_post_meta( $post_id, 'pqe_edit_time', $_POST['pqe_edit_time'] );
	}
}
add_action( 'save_post', 'pqe_quickedit_save_post', 10, 2 );

// Populate field with live data with JavaScript
function pqe_quickedit_javascript() {
	$current_screen = get_current_screen();
	if ( $current_screen->id != 'edit-post' || $current_screen->post_type != 'post' )
		return;

	// Ensure jQuery library loads
	wp_enqueue_script( 'jquery' );
	?>
	<script type="text/javascript">
		jQuery( function( $ ) {
			$( '#the-list' ).on( 'click', 'a.editinline', function( e ) {
				e.preventDefault();
				var editTime = $(this).data( 'edit-time' );
				inlineEditPost.revert();
				$( '.pqe_edittime' ).val( editTime ? editTime : '' );
			});
		});
	</script>
	<?php
}
add_action( 'admin_print_footer_scripts-edit.php', 'pqe_quickedit_javascript' );

function pqe_quickedit_set_data( $actions, $post ) {
	$found_value = get_post_meta( $post->ID, 'pqe_edit_time', true );

	if ( $found_value ) {
		if ( isset( $actions['inline hide-if-no-js'] ) ) {
			$new_attribute = sprintf( 'data-edit-time="%s"', esc_attr( $found_value ) );
			$actions['inline hide-if-no-js'] = str_replace( 'class=', "$new_attribute class=", $actions['inline hide-if-no-js'] );
		}
	}

	return $actions;
}
add_filter('post_row_actions', 'pqe_quickedit_set_data', 10, 2);