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REST API: Optimize rest_filter_response_by_context performance.

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In [47758] a new function `rest_filter_response_by_context` was introduced to expand the JSON schema features supported by the context filtering mechanism.

This commit improves the performance of that function by eliminating repetitive comparisons and loops. Additionally, it improves multi-type support for object + array types.

Fixes #50700.
Props dlh.


git-svn-id: https://develop.svn.wordpress.org/trunk@48555 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Timothy Jacobs
2020-07-21 21:20:22 +00:00
parent b11757e4ed
commit df8399dce5
2 changed files with 152 additions and 13 deletions
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25
src/wp-includes/rest-api.php
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@@ -2052,15 +2052,28 @@ function rest_filter_response_by_context( $data, $schema, $context ) {
return $data;
}
$is_array_type = 'array' === $type || ( is_array( $type ) && in_array( 'array', $type, true ) );
$is_object_type = 'object' === $type || ( is_array( $type ) && in_array( 'object', $type, true ) );
if ( $is_array_type && $is_object_type ) {
if ( rest_is_array( $data ) ) {
$is_object_type = false;
} else {
$is_array_type = false;
}
}
$has_additional_properties = $is_object_type && isset( $schema['additionalProperties'] ) && is_array( $schema['additionalProperties'] );
foreach ( $data as $key => $value ) {
$check = array();
if ( 'array' === $type || ( is_array( $type ) && in_array( 'array', $type, true ) ) ) {
if ( $is_array_type ) {
$check = isset( $schema['items'] ) ? $schema['items'] : array();
} elseif ( 'object' === $type || ( is_array( $type ) && in_array( 'object', $type, true ) ) ) {
} elseif ( $is_object_type ) {
if ( isset( $schema['properties'][ $key ] ) ) {
$check = $schema['properties'][ $key ];
} elseif ( isset( $schema['additionalProperties'] ) && is_array( $schema['additionalProperties'] ) ) {
} elseif ( $has_additional_properties ) {
$check = $schema['additionalProperties'];
}
}
@@ -2070,6 +2083,12 @@ function rest_filter_response_by_context( $data, $schema, $context ) {
}
if ( ! in_array( $context, $check['context'], true ) ) {
if ( $is_array_type ) {
// All array items share schema, so there's no need to check each one.
$data = array();
break;
}
if ( is_object( $data ) ) {
unset( $data->$key );
} else {