| Current Path : /storage/v11800/abaniliving-com/public_html/wp-content/plugins/query-monitor/classes/ |
Linux v11800 5.3.0-1023-aws #25~18.04.1-Ubuntu SMP Fri Jun 5 15:19:18 UTC 2020 aarch64
|
| Current File : /storage/v11800/abaniliving-com/public_html/wp-content/plugins/query-monitor/classes/Backtrace.php |
<?php declare(strict_types = 1);
/**
* Function call backtrace container.
*
* @package query-monitor
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
if ( ! class_exists( 'QM_Backtrace' ) ) {
class QM_Backtrace {
/**
* @var array<string, bool>
*/
protected static $ignore_class = array(
'wpdb' => true,
'hyperdb' => true,
'LudicrousDB' => true,
'QueryMonitor' => true,
'W3_Db' => true,
'Debug_Bar_PHP' => true,
'WP_Hook' => true,
'Altis\Cloud\DB' => true,
'Yoast\WP\Lib\ORM' => true,
'Perflab_SQLite_DB' => true,
'WP_SQLite_DB' => true,
);
/**
* @var array<string, array<string, bool>>
*/
protected static $ignore_method = array();
/**
* @var array<string, bool>
*/
protected static $ignore_func = array(
'include_once' => true,
'require_once' => true,
'include' => true,
'require' => true,
'call_user_func_array' => true,
'call_user_func' => true,
'trigger_error' => true,
'_doing_it_wrong' => true,
'_deprecated_argument' => true,
'_deprecated_constructor' => true,
'_deprecated_file' => true,
'_deprecated_function' => true,
'_deprecated_hook' => true,
'dbDelta' => true,
'maybe_create_table' => true,
);
/**
* @var array<string, int|string>
*/
protected static $show_args = array(
'do_action' => 1,
'apply_filters' => 1,
'do_action_ref_array' => 1,
'apply_filters_ref_array' => 1,
'do_action_deprecated' => 1,
'apply_filters_deprecated' => 1,
'get_query_template' => 1,
'resolve_block_template' => 1,
'get_template_part' => 2,
'get_extended_template_part' => 2,
'ai_get_template_part' => 2,
'load_template' => 'dir',
'dynamic_sidebar' => 1,
'get_header' => 1,
'get_sidebar' => 1,
'get_footer' => 1,
'get_transient' => 1,
'set_transient' => 1,
'class_exists' => 2,
'current_user_can' => 3,
'user_can' => 4,
'current_user_can_for_blog' => 4,
'author_can' => 4,
);
/**
* @var array<string, bool>
*/
protected static $ignore_hook = array();
/**
* @var bool
*/
protected static $filtered = false;
/**
* @var array<string, mixed[]>
*/
protected $args = array();
/**
* @var mixed[]
*/
protected $trace;
/**
* @var mixed[]|null
*/
protected $filtered_trace = null;
/**
* @var int
*/
protected $calling_line = 0;
/**
* @var string
*/
protected $calling_file = '';
/**
* @var QM_Component|null
*/
protected $component = null;
/**
* @var mixed[]|null
*/
protected $top_frame = null;
/**
* @param array<string, mixed[]> $args
* @param mixed[] $trace
*/
public function __construct( array $args = array(), array $trace = null ) {
$this->trace = $trace ?? debug_backtrace( 0 );
$this->args = array_merge( array(
'ignore_class' => array(),
'ignore_method' => array(),
'ignore_func' => array(),
'ignore_hook' => array(),
'show_args' => array(),
), $args );
foreach ( $this->trace as & $frame ) {
if ( ! isset( $frame['args'] ) ) {
continue;
}
if ( isset( $frame['function'], self::$show_args[ $frame['function'] ] ) ) {
$show = self::$show_args[ $frame['function'] ];
if ( ! is_int( $show ) ) {
$show = 1;
}
$frame['args'] = array_slice( $frame['args'], 0, $show );
} else {
unset( $frame['args'] );
}
}
}
/**
* @param mixed[] $frame
* @return void
*/
public function push_frame( array $frame ) {
$this->top_frame = $frame;
}
/**
* @return array<int, string>
*/
public function get_stack() {
$trace = $this->get_filtered_trace();
$stack = array_column( $trace, 'display' );
return $stack;
}
/**
* @return mixed[]|false
*/
public function get_caller() {
$trace = $this->get_filtered_trace();
return reset( $trace );
}
/**
* @return QM_Component
*/
public function get_component() {
if ( isset( $this->component ) ) {
return $this->component;
}
$components = array();
$frames = $this->get_filtered_trace();
if ( $this->top_frame ) {
array_unshift( $frames, $this->top_frame );
}
foreach ( $frames as $frame ) {
$component = self::get_frame_component( $frame );
if ( $component ) {
if ( 'plugin' === $component->type ) {
// If the component is a plugin then it can't be anything else,
// so short-circuit and return early.
$this->component = $component;
return $this->component;
}
$components[ $component->type ] = $component;
}
}
$file_dirs = QM_Util::get_file_dirs();
$file_dirs['dropin'] = WP_CONTENT_DIR;
foreach ( $file_dirs as $type => $dir ) {
if ( isset( $components[ $type ] ) ) {
$this->component = $components[ $type ];
return $this->component;
}
}
$component = new QM_Component();
$component->type = 'unknown';
$component->name = __( 'Unknown', 'query-monitor' );
$component->context = 'unknown';
return $component;
}
/**
* Attempts to determine the component responsible for a given frame.
*
* @param mixed[] $frame A single frame from a trace.
* @phpstan-param array{
* class?: class-string,
* function?: string,
* file?: string,
* } $frame
* @return QM_Component|null An object representing the component, or null if
* the component cannot be determined.
*/
public static function get_frame_component( array $frame ) {
try {
if ( isset( $frame['class'], $frame['function'] ) ) {
if ( ! class_exists( $frame['class'], false ) ) {
return null;
}
if ( ! method_exists( $frame['class'], $frame['function'] ) ) {
return null;
}
$ref = new ReflectionMethod( $frame['class'], $frame['function'] );
$file = $ref->getFileName();
} elseif ( isset( $frame['function'] ) && function_exists( $frame['function'] ) ) {
$ref = new ReflectionFunction( $frame['function'] );
$file = $ref->getFileName();
} elseif ( isset( $frame['file'] ) ) {
$file = $frame['file'];
} else {
return null;
}
if ( ! $file ) {
return null;
}
return QM_Util::get_file_component( $file );
} catch ( ReflectionException $e ) {
return null;
}
}
/**
* @return mixed[]
*/
public function get_trace() {
return $this->trace;
}
/**
* @deprecated Use the `::get_filtered_trace()` method instead.
*
* @return mixed[]
*/
public function get_display_trace() {
return $this->get_filtered_trace();
}
/**
* @return array<int, array<string, mixed>>
* @phpstan-return list<array{
* file: string,
* line: int,
* display: string,
* }>
*/
public function get_filtered_trace() {
if ( ! isset( $this->filtered_trace ) ) {
$trace = array_map( array( $this, 'filter_trace' ), $this->trace );
$trace = array_values( array_filter( $trace ) );
if ( empty( $trace ) && ! empty( $this->trace ) ) {
$lowest = $this->trace[0];
$file = QM_Util::standard_dir( $lowest['file'], '' );
$lowest['calling_file'] = $lowest['file'];
$lowest['calling_line'] = $lowest['line'];
$lowest['function'] = $file;
$lowest['display'] = $file;
$lowest['id'] = $file;
unset( $lowest['class'], $lowest['args'], $lowest['type'] );
// When a PHP error is triggered which doesn't have a stack trace, for example a
// deprecated error, QM will blame itself due to its error handler. This prevents that.
if ( false === strpos( $file, 'query-monitor/collectors/php_errors.php' ) ) {
$trace[0] = $lowest;
}
}
$this->filtered_trace = $trace;
}
return $this->filtered_trace;
}
/**
* @param array<int, string> $stack
* @return array<int, string>
*/
public static function get_filtered_stack( array $stack ) {
$trace = new self( array(), array() );
$return = array();
foreach ( $stack as $i => $item ) {
$frame = array(
'function' => $item,
);
if ( false !== strpos( $item, '->' ) ) {
list( $class, $function ) = explode( '->', $item );
$frame = array(
'class' => $class,
'type' => '->',
'function' => $function,
);
}
if ( false !== strpos( $item, '::' ) ) {
list( $class, $function ) = explode( '::', $item );
$frame = array(
'class' => $class,
'type' => '::',
'function' => $function,
);
}
$frame['args'] = array();
if ( $trace->filter_trace( $frame ) ) {
$return[] = $item;
}
}
return $return;
}
/**
* @deprecated Use the `ignore_class`, `ignore_method`, `ignore_func`, and `ignore_hook` arguments instead.
*
* @param int $num
* @return self
*/
public function ignore( $num ) {
for ( $i = 0; $i < $num; $i++ ) {
unset( $this->trace[ $i ] );
}
$this->trace = array_values( $this->trace );
return $this;
}
/**
* @param mixed[] $frame
* @return mixed[]|null
*/
public function filter_trace( array $frame ) {
if ( ! self::$filtered && function_exists( 'did_action' ) && did_action( 'plugins_loaded' ) ) {
/**
* Filters which classes to ignore when constructing user-facing call stacks.
*
* @since 2.7.0
*
* @param array<string, bool> $ignore_class Array of class names to ignore. The array keys are class names to ignore,
* the array values are whether to ignore the class (usually true).
*/
self::$ignore_class = apply_filters( 'qm/trace/ignore_class', self::$ignore_class );
/**
* Filters which class methods to ignore when constructing user-facing call stacks.
*
* @since 2.7.0
*
* @param array<string, array<string, bool>> $ignore_method Array of method names to ignore. The top level array keys are
* class names, the second level array keys are method names, and
* the array values are whether to ignore the method (usually true).
*/
self::$ignore_method = apply_filters( 'qm/trace/ignore_method', self::$ignore_method );
/**
* Filters which functions to ignore when constructing user-facing call stacks.
*
* @since 2.7.0
*
* @param array<string, bool> $ignore_func Array of function names to ignore. The array keys are function names to ignore,
* the array values are whether to ignore the function (usually true).
*/
self::$ignore_func = apply_filters( 'qm/trace/ignore_func', self::$ignore_func );
/**
* Filters which action and filter names to ignore when constructing user-facing call stacks.
*
* @since 3.8.0
*
* @param array<string, bool> $ignore_hook Array of hook names to ignore. The array keys are hook names to ignore,
* the array values are whether to ignore the hook (usually true).
*/
self::$ignore_hook = apply_filters( 'qm/trace/ignore_hook', self::$ignore_hook );
/**
* Filters the number of argument values to show for the given function name when constructing user-facing
* call stacks.
*
* @since 2.7.0
*
* @param array<string,int|string> $show_args The number of argument values to show for the given function name. The
* array keys are function names, the array values are either integers or
* "dir" to specifically treat the function argument as a directory path.
*/
self::$show_args = apply_filters( 'qm/trace/show_args', self::$show_args );
self::$filtered = true;
}
$return = $frame;
$ignore_class = array_filter( array_merge( self::$ignore_class, $this->args['ignore_class'] ) );
$ignore_method = array_filter( array_merge( self::$ignore_method, $this->args['ignore_method'] ) );
$ignore_func = array_filter( array_merge( self::$ignore_func, $this->args['ignore_func'] ) );
$ignore_hook = array_filter( array_merge( self::$ignore_hook, $this->args['ignore_hook'] ) );
$show_args = array_merge( self::$show_args, $this->args['show_args'] );
$hook_functions = array(
'apply_filters' => true,
'do_action' => true,
'apply_filters_ref_array' => true,
'do_action_ref_array' => true,
'apply_filters_deprecated' => true,
'do_action_deprecated' => true,
);
if ( ! isset( $frame['function'] ) ) {
$frame['function'] = '(unknown)';
}
if ( isset( $frame['class'] ) ) {
if ( isset( $ignore_class[ $frame['class'] ] ) ) {
$return = null;
} elseif ( isset( $ignore_method[ $frame['class'] ][ $frame['function'] ] ) ) {
$return = null;
} elseif ( 0 === strpos( $frame['class'], 'QM' ) ) {
$return = null;
} else {
$return['id'] = $frame['class'] . $frame['type'] . $frame['function'] . '()';
$return['display'] = QM_Util::shorten_fqn( $frame['class'] . $frame['type'] . $frame['function'] ) . '()';
}
} else {
if ( isset( $ignore_func[ $frame['function'] ] ) ) {
$return = null;
} elseif ( isset( $show_args[ $frame['function'] ] ) ) {
$show = $show_args[ $frame['function'] ];
if ( 'dir' === $show ) {
if ( isset( $frame['args'][0] ) ) {
$arg = QM_Util::standard_dir( $frame['args'][0], '' );
$return['id'] = $frame['function'] . '()';
$return['display'] = QM_Util::shorten_fqn( $frame['function'] ) . "('{$arg}')";
}
} else {
if ( isset( $hook_functions[ $frame['function'] ], $frame['args'][0] ) && is_string( $frame['args'][0] ) && isset( $ignore_hook[ $frame['args'][0] ] ) ) {
$return = null;
} else {
$args = array();
for ( $i = 0; $i < $show; $i++ ) {
if ( isset( $frame['args'] ) && array_key_exists( $i, $frame['args'] ) ) {
if ( is_string( $frame['args'][ $i ] ) ) {
$args[] = '\'' . $frame['args'][ $i ] . '\'';
} else {
$args[] = QM_Util::display_variable( $frame['args'][ $i ] );
}
}
}
$return['id'] = $frame['function'] . '()';
$return['display'] = QM_Util::shorten_fqn( $frame['function'] ) . '(' . implode( ',', $args ) . ')';
}
}
} else {
$return['id'] = $frame['function'] . '()';
$return['display'] = QM_Util::shorten_fqn( $frame['function'] ) . '()';
}
}
if ( $return ) {
$return['calling_file'] = $this->calling_file;
$return['calling_line'] = $this->calling_line;
if ( ! isset( $return['file'] ) ) {
$return['file'] = $this->calling_file;
}
if ( ! isset( $return['line'] ) ) {
$return['line'] = $this->calling_line;
}
}
if ( isset( $frame['line'] ) ) {
$this->calling_line = $frame['line'];
}
if ( isset( $frame['file'] ) ) {
$this->calling_file = $frame['file'];
}
return $return;
}
}
} else {
add_action( 'init', 'QueryMonitor::symlink_warning' );
}