Allow wp_insert_post() to accept a meta_input argument. Devs should use register_meta() to ensure that specific values specified by key are sanitized properly.

Adds unit test.

Props CoenJacobs, swissspidy.
Fixes #20451.


git-svn-id: https://develop.svn.wordpress.org/trunk@33910 602fd350-edb4-49c9-b593-d223f7449a82

tests/phpunit/tests/post.php

@@ -452,6 +452,25 @@ class Tests_Post extends WP_UnitTestCase {
 		$this->assertContains( 'wptests_pt=' . $p, $post->guid );
 	}
 
+	/**
+	 * @ticket 20451
+	 */
+	public function test_wp_insert_post_with_meta_input() {
+		$post_id = wp_insert_post( array(
+			'post_title'   => '',
+			'post_content' => 'test',
+			'post_status'  => 'publish',
+			'post_type'    => 'post',
+			'meta_input'   => array(
+				'hello' => 'world',
+				'foo'   => 'bar'
+			)
+		) );
+
+		$this->assertEquals( 'world', get_post_meta( $post_id, 'hello', true ) );
+		$this->assertEquals( 'bar', get_post_meta( $post_id, 'foo', true ) );
+	}
+
 	/**
 	 * @ticket 5364
 	 */