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Posts: Create a new function for resolving the post date.

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`wp_insert_post()` has a few checks using `post_date` and `post_date_gmt`, to determine the correct post date. This functionality is now extracted out into a new `wp_resolve_post_date()` function, allowing the checks to be reused elsewhere.

Props jmdodd.
Fixes #52187.


Built from https://develop.svn.wordpress.org/trunk@50012


git-svn-id: http://core.svn.wordpress.org/trunk@49713 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Gary Pendergast 2021-01-25 01:07:59 +00:00
parent 7e93e28784
commit ce19f7a630
2 changed files with 44 additions and 19 deletions
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61
wp-includes/post.php
View File

@ -3702,6 +3702,8 @@ function wp_insert_post( $postarr, $wp_error = false, $fire_after_hooks = true )
'guid' => '',
'import_id' => 0,
'context' => '',
'post_date' => '',
'post_date_gmt' => '',
);
$postarr = wp_parse_args( $postarr, $defaults );
@ -3835,25 +3837,11 @@ function wp_insert_post( $postarr, $wp_error = false, $fire_after_hooks = true )
}
/*
* If the post date is empty (due to having been new or a draft) and status
* is not 'draft' or 'pending', set date to now.
* Resolve the post date from any provided post date or post date GMT strings;
* if none are provided, the date will be set to now.
*/
if ( empty( $postarr['post_date'] ) || '0000-00-00 00:00:00' === $postarr['post_date'] ) {
if ( empty( $postarr['post_date_gmt'] ) || '0000-00-00 00:00:00' === $postarr['post_date_gmt'] ) {
$post_date = current_time( 'mysql' );
} else {
$post_date = get_date_from_gmt( $postarr['post_date_gmt'] );
}
} else {
$post_date = $postarr['post_date'];
}
// Validate the date.
$mm = substr( $post_date, 5, 2 );
$jj = substr( $post_date, 8, 2 );
$aa = substr( $post_date, 0, 4 );
$valid_date = wp_checkdate( $mm, $jj, $aa, $post_date );
if ( ! $valid_date ) {
$post_date = wp_resolve_post_date( $postarr['post_date'], $postarr['post_date_gmt'] );
if ( ! $post_date ) {
if ( $wp_error ) {
return new WP_Error( 'invalid_date', __( 'Invalid date.' ) );
} else {
@ -4538,6 +4526,43 @@ function check_and_publish_future_post( $post_id ) {
wp_publish_post( $post_id );
}
/**
* Uses wp_checkdate to return a valid Gregorian-calendar value for post_date.
* If post_date is not provided, this first checks post_date_gmt if provided,
* then falls back to use the current time.
*
* For back-compat purposes in wp_insert_post, an empty post_date and an invalid
* post_date_gmt will continue to return '1970-01-01 00:00:00' rather than false.
*
* @since 5.7.0
*
* @param string $post_date The date in mysql format.
* @param string $post_date_gmt The GMT date in mysql format.
* @return string|false A valid Gregorian-calendar date string, or false on failure.
*/
function wp_resolve_post_date( $post_date = '', $post_date_gmt = '' ) {
// If the date is empty, set the date to now.
if ( empty( $post_date ) || '0000-00-00 00:00:00' === $post_date ) {
if ( empty( $post_date_gmt ) || '0000-00-00 00:00:00' === $post_date_gmt ) {
$post_date = current_time( 'mysql' );
} else {
$post_date = get_date_from_gmt( $post_date_gmt );
}
}
// Validate the date.
$month = substr( $post_date, 5, 2 );
$day = substr( $post_date, 8, 2 );
$year = substr( $post_date, 0, 4 );
$valid_date = wp_checkdate( $month, $day, $year, $post_date );
if ( ! $valid_date ) {
return false;
}
return $post_date;
}
/**
* Computes a unique slug for the post, when given the desired slug and some post details.
*

2
wp-includes/version.php
View File

@ -13,7 +13,7 @@
*
* @global string $wp_version
*/
$wp_version = '5.7-alpha-50011';
$wp_version = '5.7-alpha-50012';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.