86 lines
2.4 KiB
PHP
86 lines
2.4 KiB
PHP
<?php
|
|
/**
|
|
* WordPress Coding Standard.
|
|
*
|
|
* @package WPCS\WordPressCodingStandards
|
|
* @link https://github.com/WordPress/WordPress-Coding-Standards
|
|
* @license https://opensource.org/licenses/MIT MIT
|
|
*/
|
|
|
|
namespace WordPressCS\WordPress\Sniffs\DB;
|
|
|
|
use WordPressCS\WordPress\AbstractArrayAssignmentRestrictionsSniff;
|
|
|
|
/**
|
|
* Flag potentially slow queries.
|
|
*
|
|
* @link https://vip.wordpress.com/documentation/vip-go/code-review-blockers-warnings-notices/#uncached-pageload
|
|
*
|
|
* @package WPCS\WordPressCodingStandards
|
|
*
|
|
* @since 0.3.0
|
|
* @since 0.12.0 Introduced new and more intuitively named 'slow query' whitelist
|
|
* comment, replacing the 'tax_query' whitelist comment which is now
|
|
* deprecated.
|
|
* @since 0.13.0 Class name changed: this class is now namespaced.
|
|
* @since 1.0.0 This sniff has been moved from the `VIP` category to the `DB` category.
|
|
*/
|
|
class SlowDBQuerySniff extends AbstractArrayAssignmentRestrictionsSniff {
|
|
|
|
/**
|
|
* Groups of variables to restrict.
|
|
*
|
|
* @return array
|
|
*/
|
|
public function getGroups() {
|
|
return array(
|
|
'slow_db_query' => array(
|
|
'type' => 'warning',
|
|
'message' => 'Detected usage of %s, possible slow query.',
|
|
'keys' => array(
|
|
'tax_query',
|
|
'meta_query',
|
|
'meta_key',
|
|
'meta_value',
|
|
),
|
|
),
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Processes this test, when one of its tokens is encountered.
|
|
*
|
|
* @since 0.10.0
|
|
*
|
|
* @param int $stackPtr The position of the current token in the stack.
|
|
*
|
|
* @return int|void Integer stack pointer to skip forward or void to continue
|
|
* normal file processing.
|
|
*/
|
|
public function process_token( $stackPtr ) {
|
|
|
|
if ( $this->has_whitelist_comment( 'slow query', $stackPtr ) ) {
|
|
return;
|
|
} elseif ( $this->has_whitelist_comment( 'tax_query', $stackPtr ) ) {
|
|
return;
|
|
}
|
|
|
|
return parent::process_token( $stackPtr );
|
|
}
|
|
|
|
/**
|
|
* Callback to process each confirmed key, to check value.
|
|
* This must be extended to add the logic to check assignment value.
|
|
*
|
|
* @param string $key Array index / key.
|
|
* @param mixed $val Assigned value.
|
|
* @param int $line Token line.
|
|
* @param array $group Group definition.
|
|
* @return mixed FALSE if no match, TRUE if matches, STRING if matches
|
|
* with custom error message passed to ->process().
|
|
*/
|
|
public function callback( $key, $val, $line, $group ) {
|
|
return true;
|
|
}
|
|
|
|
}
|