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Code Modernization: Correct the check for `parent` argument in `wp_insert_term()` and `wp_update_term()`. 

PHP 8 changes the way string to number comparisons are performed: https://wiki.php.net/rfc/string_to_number_comparison

In particular, checking if a non-empty, non-numeric string is greater than zero in PHP 8 evaluates to `true`, not `false`.

For `wp_insert_term()`, this resulted in a "Parent term does not exist" error for a non-numeric string, instead of discarding the value.

By explicitly casting the value to `int`, we make sure to compare both values as numbers, rather than a string and a number.

Follow-up to [29196], [29830], [29867].

See #50913.
Built from https://develop.svn.wordpress.org/trunk@49043


git-svn-id: http://core.svn.wordpress.org/trunk@48805 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Sergey Biryukov 2020-09-25 00:04:04 +00:00
parent cfe5b1c9f2
commit 4f8f42747f
2 changed files with 3 additions and 3 deletions
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4
wp-includes/taxonomy.php
View File

@ -2233,7 +2233,7 @@ function wp_insert_term( $term, $taxonomy, $args = array() ) {
);
$args = wp_parse_args( $args, $defaults );
if ( $args['parent'] > 0 && ! term_exists( (int) $args['parent'] ) ) {
if ( (int) $args['parent'] > 0 && ! term_exists( (int) $args['parent'] ) ) {
return new WP_Error( 'missing_parent', __( 'Parent term does not exist.' ) );
}
@ -3001,7 +3001,7 @@ function wp_update_term( $term_id, $taxonomy, $args = array() ) {
return new WP_Error( 'empty_term_name', __( 'A name is required for this term.' ) );
}
if ( $parsed_args['parent'] > 0 && ! term_exists( (int) $parsed_args['parent'] ) ) {
if ( (int) $parsed_args['parent'] > 0 && ! term_exists( (int) $parsed_args['parent'] ) ) {
return new WP_Error( 'missing_parent', __( 'Parent term does not exist.' ) );
}

2
wp-includes/version.php
View File

@ -13,7 +13,7 @@
*
* @global string $wp_version
*/
$wp_version = '5.6-alpha-49042';
$wp_version = '5.6-alpha-49043';
/**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.