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Query: Be better at forcing data types for query vars. 

Several query vars only accept a scalar value and pass the value through functions that assume a scalar value. Adding extra guard conditions to the types of query vars doesn't affect their functionality but does remove PHP notices and warnings that can otherwise be generated when a non-scalar value such as an array is present in a query var.

Props juliobox, xknown, SergeyBiryukov, dave1010, nacin, tellyworth, dd32, audrasjb, johnregan3

Fixes #17737

Built from https://develop.svn.wordpress.org/trunk@53891


git-svn-id: http://core.svn.wordpress.org/trunk@53450 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
John Blackbourn 2022-08-13 22:31:11 +00:00
parent fadf5c5fe9
commit 11a3a91511
2 changed files with 31 additions and 19 deletions
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48
wp-includes/class-wp-query.php
View File

@ -792,29 +792,41 @@ class WP_Query {
$qv['p'] = (int) $qv['p']; $qv['p'] = (int) $qv['p'];
} }
$qv['page_id'] = absint( $qv['page_id'] ); $qv['page_id'] = is_scalar( $qv['page_id'] ) ? absint( $qv['page_id'] ) : 0;
$qv['year'] = absint( $qv['year'] ); $qv['year'] = is_scalar( $qv['year'] ) ? absint( $qv['year'] ) : 0;
$qv['monthnum'] = absint( $qv['monthnum'] ); $qv['monthnum'] = is_scalar( $qv['monthnum'] ) ? absint( $qv['monthnum'] ) : 0;
$qv['day'] = absint( $qv['day'] ); $qv['day'] = is_scalar( $qv['day'] ) ? absint( $qv['day'] ) : 0;
$qv['w'] = absint( $qv['w'] ); $qv['w'] = is_scalar( $qv['w'] ) ? absint( $qv['w'] ) : 0;
$qv['m'] = is_scalar( $qv['m'] ) ? preg_replace( '|[^0-9]|', '', $qv['m'] ) : ''; $qv['m'] = is_scalar( $qv['m'] ) ? preg_replace( '|[^0-9]|', '', $qv['m'] ) : '';
$qv['paged'] = absint( $qv['paged'] ); $qv['paged'] = is_scalar( $qv['paged'] ) ? absint( $qv['paged'] ) : 0;
$qv['cat'] = preg_replace( '|[^0-9,-]|', '', $qv['cat'] ); // Comma-separated list of positive or negative integers. $qv['cat'] = preg_replace( '|[^0-9,-]|', '', $qv['cat'] ); // Array or comma-separated list of positive or negative integers.
$qv['author'] = preg_replace( '|[^0-9,-]|', '', $qv['author'] ); // Comma-separated list of positive or negative integers. $qv['author'] = is_scalar( $qv['author'] ) ? preg_replace( '|[^0-9,-]|', '', $qv['author'] ) : ''; // Comma-separated list of positive or negative integers.
$qv['pagename'] = trim( $qv['pagename'] ); $qv['pagename'] = is_scalar( $qv['pagename'] ) ? trim( $qv['pagename'] ) : '';
$qv['name'] = trim( $qv['name'] ); $qv['name'] = is_scalar( $qv['name'] ) ? trim( $qv['name'] ) : '';
$qv['title'] = trim( $qv['title'] ); $qv['title'] = is_scalar( $qv['title'] ) ? trim( $qv['title'] ) : '';
if ( '' !== $qv['hour'] ) {
if ( is_scalar( $qv['hour'] ) && '' !== $qv['hour'] ) {
$qv['hour'] = absint( $qv['hour'] ); $qv['hour'] = absint( $qv['hour'] );
} else {
$qv['hour'] = '';
} }
if ( '' !== $qv['minute'] ) {
if ( is_scalar( $qv['minute'] ) && '' !== $qv['minute'] ) {
$qv['minute'] = absint( $qv['minute'] ); $qv['minute'] = absint( $qv['minute'] );
} else {
$qv['minute'] = '';
} }
if ( '' !== $qv['second'] ) {
if ( is_scalar( $qv['second'] ) && '' !== $qv['second'] ) {
$qv['second'] = absint( $qv['second'] ); $qv['second'] = absint( $qv['second'] );
} else {
$qv['second'] = '';
} }
if ( '' !== $qv['menu_order'] ) {
if ( is_scalar( $qv['menu_order'] ) && '' !== $qv['menu_order'] ) {
$qv['menu_order'] = absint( $qv['menu_order'] ); $qv['menu_order'] = absint( $qv['menu_order'] );
} else {
$qv['menu_order'] = '';
} }
// Fairly large, potentially too large, upper bound for search string lengths. // Fairly large, potentially too large, upper bound for search string lengths.
@ -823,14 +835,14 @@ class WP_Query {
} }
// Compat. Map subpost to attachment. // Compat. Map subpost to attachment.
if ( '' != $qv['subpost'] ) { if ( is_scalar( $qv['subpost'] ) && '' != $qv['subpost'] ) {
$qv['attachment'] = $qv['subpost']; $qv['attachment'] = $qv['subpost'];
} }
if ( '' != $qv['subpost_id'] ) { if ( is_scalar( $qv['subpost_id'] ) && '' != $qv['subpost_id'] ) {
$qv['attachment_id'] = $qv['subpost_id']; $qv['attachment_id'] = $qv['subpost_id'];
} }
$qv['attachment_id'] = absint( $qv['attachment_id'] ); $qv['attachment_id'] = is_scalar( $qv['attachment_id'] ) ? absint( $qv['attachment_id'] ) : 0;
if ( ( '' !== $qv['attachment'] ) || ! empty( $qv['attachment_id'] ) ) { if ( ( '' !== $qv['attachment'] ) || ! empty( $qv['attachment_id'] ) ) {
$this->is_single = true; $this->is_single = true;

2
wp-includes/version.php
View File

@ -16,7 +16,7 @@
* *
* @global string $wp_version * @global string $wp_version
*/ */
$wp_version = '6.1-alpha-53890'; $wp_version = '6.1-alpha-53891';
/** /**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema. * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.