debug/Frame.php
protected function flattenArgs(array $args, int $depth = 0) : array
    {
        $result = [];

        foreach ($args as $key => $value) {
            if (is_object($value)) {
                $result[$key] = ['object', get_class($value)];
            } elseif (is_array($value)) {
                if ($depth > $this->nestingLimit) {
                    $result[$key] = ['array', '*DEEP NESTED ARRAY*'];
                } else {
                    $result[$key] = ['array', $this->flattenArgs($value, ++$depth)];
                }
            } elseif (null === $value) {
                $result[$key] = ['null', null];
            } elseif (is_bool($value)) {
                $result[$key] = ['boolean', $value];
            } elseif (is_resource($value)) {
                $result[$key] = ['resource', get_resource_type($value)];
            } elseif ($value instanceof \__PHP_Incomplete_Class) {
                // Special case of object - is_object() will return false.
                $array = new \ArrayObject($value);
                $result[$key] = ['incomplete-object', $array['__PHP_Incomplete_Class_Name']];
            } else {
                $result[$key] = ['string', (string) $value];
            }
        }

        return $result;
    }
protected function flattenArgs(array $args, int $depth = 0) : array
    {
        $result = [];

        foreach ($args as $key => $value) {
            if (is_object($value)) {
                $result[$key] = ['object', get_class($value)];
            } elseif (is_array($value)) {
                if ($depth > $this->nestingLimit) {
                    $result[$key] = ['array', '*DEEP NESTED ARRAY*'];
                } else {
                    $result[$key] = ['array', $this->flattenArgs($value, ++$depth)];
                }
            } elseif (null === $value) {
                $result[$key] = ['null', null];
            } elseif (is_bool($value)) {
                $result[$key] = ['boolean', $value];
            } elseif (is_resource($value)) {
                $result[$key] = ['resource', get_resource_type($value)];
            } elseif ($value instanceof \__PHP_Incomplete_Class) {
                // Special case of object - is_object() will return false.
                $array = new \ArrayObject($value);
                $result[$key] = ['incomplete-object', $array['__PHP_Incomplete_Class_Name']];
            } else {
                $result[$key] = ['string', (string) $value];
            }
        }

        return $result;
    }
protected function flattenArgs ( array $ args , int $ depth = 0 ) : array { $ result = [ ] ; foreach ( $ args as $ key => $ value ) { if ( is_object ( $ value ) ) { $ result [ $ key ] = [ 'object' , get_class ( $ value ) ] ; } elseif ( is_array ( $ value ) ) { if ( $ depth > $ this -> nestingLimit ) { $ result [ $ key ] = [ 'array' , '*DEEP NESTED ARRAY*' ] ; } else { $ result [ $ key ] = [ 'array' , $ this -> flattenArgs ( $ value , ++ $ depth ) ] ; } } elseif ( null === $ value ) { $ result [ $ key ] = [ 'null' , null ] ; } elseif ( is_bool ( $ value ) ) { $ result [ $ key ] = [ 'boolean' , $ value ] ; } elseif ( is_resource ( $ value ) ) { $ result [ $ key ] = [ 'resource' , get_resource_type ( $ value ) ] ; } elseif ( $ value instanceof \ __PHP_Incomplete_Class ) { // Special case of object - is_object() will return false. $ array = new \ ArrayObject ( $ value ) ; $ result [ $ key ] = [ 'incomplete-object' , $ array [ '__PHP_Incomplete_Class_Name' ] ] ; } else { $ result [ $ key ] = [ 'string' , ( string ) $ value ] ; } } return $ result ; }
Flattens the args to make them easier to serialize.

@param   array   $args   The args to flatten.
@param   int     $depth  The current nesting depth.
@return  array           The flattened args.
Flattens the args to make them easier to serialize .