Don't loosely compare functions that return `bool` against a literal `bool`.

See #32444.


git-svn-id: https://develop.svn.wordpress.org/trunk@32730 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/includes/export.php

@@ -133,9 +133,9 @@ function export_wp( $args = array() ) {
 	 * @return string
 	 */
 	function wxr_cdata( $str ) {
-		if ( seems_utf8( $str ) == false )
+		if ( ! seems_utf8( $str ) ) {
 			$str = utf8_encode( $str );
-
+		}
 		// $str = ent2ncr(esc_html($str));
 		$str = '<![CDATA[' . str_replace( ']]>', ']]]]><![CDATA[>', $str ) . ']]>';
 

src/wp-admin/includes/menu.php

@@ -182,7 +182,7 @@ unset($id, $data, $subs, $first_sub);
 $separator_found = false;
 foreach ( $menu as $id => $data ) {
 	if ( 0 == strcmp('wp-menu-separator', $data[4] ) ) {
-		if (false == $separator_found) {
+		if ( ! $separator_found ) {
 			$separator_found = true;
 		} else {
 			unset($menu[$id]);

src/wp-admin/includes/ms.php

@@ -453,9 +453,9 @@ function display_space_usage() {
  * @return int Max size in bytes
  */
 function fix_import_form_size( $size ) {
-	if ( upload_is_user_over_quota( false ) == true )
+	if ( upload_is_user_over_quota( false ) ) {
 		return 0;
-
+	}
 	$available = get_upload_space_available();
 	return min( $size, $available );
 }

src/wp-admin/network/site-new.php

@@ -76,7 +76,7 @@ if ( isset($_REQUEST['action']) && 'add-site' == $_REQUEST['action'] ) {
 	if ( !$user_id ) { // Create a new user with a random password
 		$password = wp_generate_password( 12, false );
 		$user_id = wpmu_create_user( $domain, $password, $email );
-		if ( false == $user_id )
+		if ( false === $user_id )
 			wp_die( __( 'There was an error creating the user.' ) );
 		else
 			wp_new_user_notification( $user_id, $password );

src/wp-admin/network/site-users.php

@@ -70,7 +70,7 @@ if ( $action ) {
 				$password = wp_generate_password( 12, false);
 				$user_id = wpmu_create_user( esc_html( strtolower( $user['username'] ) ), $password, esc_html( $user['email'] ) );
 
-				if ( false == $user_id ) {
+				if ( false === $user_id ) {
 		 			$update = 'err_new_dup';
 				} else {
 					wp_new_user_notification( $user_id, $password );