get_post_modified_time( string $d = 'U', bool $gmt = false, int|WP_Post $post = null, bool $translate = false )

Retrieve the time at which the post was last modified.


Parameters

$d

(string) (Optional) Format to use for retrieving the time the post was modified. Either 'G', 'U', or php date format.

Default value: 'U'

$gmt

(bool) (Optional) Whether to retrieve the GMT time.

Default value: false

$post

(int|WP_Post) (Optional) WP_Post object or ID. Default is global $post object.

Default value: null

$translate

(bool) (Optional) Whether to translate the time string.

Default value: false


Return

(string|int|false) Formatted date string or Unix timestamp if $id is 'U' or 'G'. False on failure.


Source

File: wp-includes/general-template.php

function get_post_modified_time( $d = 'U', $gmt = false, $post = null, $translate = false ) {
	$post = get_post($post);

	if ( ! $post ) {
		return false;
	}

	if ( $gmt )
		$time = $post->post_modified_gmt;
	else
		$time = $post->post_modified;
	$time = mysql2date($d, $time, $translate);

	/**
	 * Filters the localized time a post was last modified.
	 *
	 * @since WP-2.8.0
	 *
	 * @param string $time The formatted time.
	 * @param string $d    The date format. Accepts 'G', 'U', or php date format. Default 'U'.
	 * @param bool   $gmt  Whether to return the GMT time. Default false.
	 */
	return apply_filters( 'get_post_modified_time', $time, $d, $gmt );
}


Changelog

Changelog
Version Description
WP-2.0.0 Introduced.