Ticket #52187: 52187.5.diff

src/wp-includes/post.php

@@ -3702 +3702 @@
                 'guid'                  => '',
                 'import_id'             => 0,
                 'context'               => '',
+                'post_date'             => '',
+                'post_date_gmt'         => '',
         );
 
         $postarr = wp_parse_args( $postarr, $defaults );
@@ -3835 +3837 @@
         }
 
         /*
-         * 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 +4526 @@
         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.
  *

tests/phpunit/tests/post.php

@@ -1395 +1395 @@
                 $tags = wp_get_post_tags( $post->ID, array( 'fields' => 'ids' ) );
                 $this->assertSameSets( array( $tag_2['term_id'], $tag_3['term_id'] ), $tags );
         }
+
+        /**
+         * @ticket 52187
+         */
+        public function test_insert_empty_post_date() {
+                $post_date_gmt = '2020-12-29 10:11:45';
+                $invalid_date  = '2020-12-41 14:15:27';
+
+                // Empty post_date_gmt with floating status
+                $post_id = self::factory()->post->create(
+                        array(
+                                'post_status' => 'draft',
+                        )
+                );
+                $post    = get_post( $post_id );
+                $this->assertEqualsWithDelta( strtotime( gmdate( 'Y-m-d H:i:s' ) ), strtotime( $post->post_date ), 2, 'The dates should be equal' );
+                $this->assertEquals( '0000-00-00 00:00:00', $post->post_date_gmt );
+
+                $post_id = self::factory()->post->create(
+                        array(
+                                'post_date_gmt' => '0000-00-00 00:00:00',
+                                'post_status'   => 'draft',
+                        )
+                );
+                $post    = get_post( $post_id );
+                $this->assertEqualsWithDelta( strtotime( gmdate( 'Y-m-d H:i:s' ) ), strtotime( $post->post_date ), 2, 'The dates should be equal' );
+                $this->assertEquals( '0000-00-00 00:00:00', $post->post_date_gmt );
+
+                // Empty post_date_gmt without floating status
+                $post_id = self::factory()->post->create(
+                        array(
+                                'post_status' => 'publish',
+                        )
+                );
+                $post    = get_post( $post_id );
+                $this->assertEqualsWithDelta( strtotime( gmdate( 'Y-m-d H:i:s' ) ), strtotime( $post->post_date ), 2, 'The dates should be equal' );
+                $this->assertEqualsWithDelta( strtotime( gmdate( 'Y-m-d H:i:s' ) ), strtotime( get_gmt_from_date( $post->post_date ) ), 2, 'The dates should be equal' );
+
+                $post_id = self::factory()->post->create(
+                        array(
+                                'post_date_gmt' => '0000-00-00 00:00:00',
+                                'post_status'   => 'publish',
+                        )
+                );
+                $post    = get_post( $post_id );
+                $this->assertEqualsWithDelta( strtotime( gmdate( 'Y-m-d H:i:s' ) ), strtotime( $post->post_date ), 2, 'The dates should be equal' );
+                $this->assertEqualsWithDelta( strtotime( gmdate( 'Y-m-d H:i:s' ) ), strtotime( get_gmt_from_date( $post->post_date ) ), 2, 'The dates should be equal' );
+
+                // Valid post_date_gmt
+                $post_id = self::factory()->post->create(
+                        array(
+                                'post_date_gmt' => $post_date_gmt,
+                        )
+                );
+                $post    = get_post( $post_id );
+                $this->assertEquals( get_date_from_gmt( $post_date_gmt ), $post->post_date );
+                $this->assertEquals( $post_date_gmt, $post->post_date_gmt );
+
+                // Invalid post_date_gmt
+                $post_id = self::factory()->post->create(
+                        array(
+                                'post_date_gmt' => $invalid_date,
+                        )
+                );
+                $post    = get_post( $post_id );
+                $this->assertEquals( '1970-01-01 00:00:00', $post->post_date );
+                $this->assertEquals( '0000-00-00 00:00:00', $post->post_date_gmt );
+        }
+
+        /**
+         * @ticket 52187
+         */
+        public function test_insert_valid_post_date() {
+                $post_date     = '2020-12-28 11:26:35';
+                $post_date_gmt = '2020-12-29 10:11:45';
+                $invalid_date  = '2020-12-41 14:15:27';
+
+                // Empty post_date_gmt with floating status
+                $post_id = self::factory()->post->create(
+                        array(
+                                'post_date'   => $post_date,
+                                'post_status' => 'draft',
+                        )
+                );
+                $post    = get_post( $post_id );
+                $this->assertEquals( $post_date, $post->post_date );
+                $this->assertEquals( '0000-00-00 00:00:00', $post->post_date_gmt );
+
+                $post_id = self::factory()->post->create(
+                        array(
+                                'post_date'     => $post_date,
+                                'post_date_gmt' => '0000-00-00 00:00:00',
+                                'post_status'   => 'draft',
+                        )
+                );
+                $post    = get_post( $post_id );
+                $this->assertEquals( $post_date, $post->post_date );
+                $this->assertEquals( '0000-00-00 00:00:00', $post->post_date_gmt );
+
+                // Empty post_date_gmt without floating status
+                $post_id = self::factory()->post->create(
+                        array(
+                                'post_date'   => $post_date,
+                                'post_status' => 'publish',
+                        )
+                );
+                $post    = get_post( $post_id );
+                $this->assertEquals( $post_date, $post->post_date );
+                $this->assertEquals( get_gmt_from_date( $post_date ), $post->post_date_gmt );
+
+                $post_id = self::factory()->post->create(
+                        array(
+                                'post_date'     => $post_date,
+                                'post_date_gmt' => '0000-00-00 00:00:00',
+                                'post_status'   => 'publish',
+                        )
+                );
+                $post    = get_post( $post_id );
+                $this->assertEquals( $post_date, $post->post_date );
+                $this->assertEquals( get_gmt_from_date( $post_date ), $post->post_date_gmt );
+
+                // Valid post_date_gmt
+                $post_id = self::factory()->post->create(
+                        array(
+                                'post_date'     => $post_date,
+                                'post_date_gmt' => $post_date_gmt,
+                        )
+                );
+                $post    = get_post( $post_id );
+                $this->assertEquals( $post_date, $post->post_date );
+                $this->assertEquals( $post_date_gmt, $post->post_date_gmt );
+
+                // Invalid post_date_gmt
+                $post_id = self::factory()->post->create(
+                        array(
+                                'post_date'     => $post_date,
+                                'post_date_gmt' => $invalid_date,
+                        )
+                );
+                $post    = get_post( $post_id );
+                $this->assertEquals( $post_date, $post->post_date );
+                $this->assertEquals( '0000-00-00 00:00:00', $post->post_date_gmt );
+        }
+
+        /**
+         * @ticket 52187
+         */
+        public function test_insert_invalid_post_date() {
+                $post_date     = '2020-12-28 11:26:35';
+                $post_date_gmt = '2020-12-29 10:11:45';
+                $invalid_date  = '2020-12-41 14:15:27';
+
+                // Empty post_date_gmt with floating status
+                $post_id = self::factory()->post->create(
+                        array(
+                                'post_date'   => $invalid_date,
+                                'post_status' => 'draft',
+                        )
+                );
+                $this->assertEquals( 0, $post_id );
+
+                $post_id = self::factory()->post->create(
+                        array(
+                                'post_date'     => $invalid_date,
+                                'post_date_gmt' => '0000-00-00 00:00:00',
+                                'post_status'   => 'draft',
+                        )
+                );
+                $this->assertEquals( 0, $post_id );
+
+                // Empty post_date_gmt without floating status
+                $post_id = self::factory()->post->create(
+                        array(
+                                'post_date'   => $invalid_date,
+                                'post_status' => 'publish',
+                        )
+                );
+                $this->assertEquals( 0, $post_id );
+
+                $post_id = self::factory()->post->create(
+                        array(
+                                'post_date'     => $invalid_date,
+                                'post_date_gmt' => '0000-00-00 00:00:00',
+                                'post_status'   => 'publish',
+                        )
+                );
+                $this->assertEquals( 0, $post_id );
+
+                // Valid post_date_gmt
+                $post_id = self::factory()->post->create(
+                        array(
+                                'post_date'     => $invalid_date,
+                                'post_date_gmt' => $post_date_gmt,
+                        )
+                );
+                $this->assertEquals( 0, $post_id );
+
+                // Invalid post_date_gmt
+                $post_id = self::factory()->post->create(
+                        array(
+                                'post_date'     => $invalid_date,
+                                'post_date_gmt' => $invalid_date,
+                        )
+                );
+                $this->assertEquals( 0, $post_id );
+        }
+
+        /**
+         * @ticket 52187
+         */
+        function test_wp_resolve_post_date() {
+                $post_date     = '2020-12-28 11:26:35';
+                $post_date_gmt = '2020-12-29 10:11:45';
+                $invalid_date  = '2020-12-41 14:15:27';
+
+                $resolved_post_date = wp_resolve_post_date();
+                $this->assertEqualsWithDelta( strtotime( gmdate( 'Y-m-d H:i:s' ) ), strtotime( $resolved_post_date ), 2, 'The dates should be equal' );
+
+                $resolved_post_date = wp_resolve_post_date( '', $post_date_gmt );
+                $this->assertEquals( get_date_from_gmt( $post_date_gmt ), $resolved_post_date );
+
+                $resolved_post_date = wp_resolve_post_date( '', $invalid_date );
+                $this->assertEquals( '1970-01-01 00:00:00', $resolved_post_date );
+
+                $resolved_post_date = wp_resolve_post_date( $post_date );
+                $this->assertEquals( $post_date, $resolved_post_date );
+
+                $resolved_post_date = wp_resolve_post_date( $post_date, $post_date_gmt );
+                $this->assertEquals( $post_date, $resolved_post_date );
+
+                $resolved_post_date = wp_resolve_post_date( $post_date, $invalid_date );
+                $this->assertEquals( $post_date, $resolved_post_date );
+
+                $resolved_post_date = wp_resolve_post_date( $invalid_date );
+                $this->assertFalse( $resolved_post_date );
+
+                $resolved_post_date = wp_resolve_post_date( $invalid_date, $post_date_gmt );
+                $this->assertFalse( $resolved_post_date );
+
+                $resolved_post_date = wp_resolve_post_date( $invalid_date, $invalid_date );
+                $this->assertFalse( $resolved_post_date );
+        }
 }