<?php

if (!function_exists('value_from_rs')) {
    function value_from_rs($rs, $field, $checks, $condition = "all") {
        $result = '-';
        switch ($condition) {
            case "all":
                foreach ($rs as $record) {
                    $failed = false;
                    foreach ($checks as $check) {
                        if($check[1] === '=') {
                            if(!($record->{$check[0]} == $check[2])) {
                                $failed = true;
                                break;
                            }
                        }
                        else if($check[1] === '!=') {
                            if(!($record->{$check[0]} != $check[2])) {
                                $failed = true;
                                break;
                            }
                        }
                    }
                    if(!$failed) {
                        $result = $record->$field;
                        break;
                    }
                }
                break;
            case "any":
                foreach ($rs as $record) {
                    foreach ($checks as $check) {
                        if($check[1] === '=') {
                            if($record->{$check[0]} == $check[2]) {
                                $result = $record->$field;
                                break;
                            }
                        }
                        else if($check[1] === '!=') {
                            if($record->{$check[0]} != $check[2]) {
                                $result = $record->$field;
                                break;
                            }
                        }
                    }
                }
                break;
            case "none":
                foreach ($rs as $record) {
                    $failed = false;
                    foreach ($checks as $check) {
                        if($check[1] === '=') {
                            if($record->{$check[0]} == $check[2]) {
                                $failed = true;
                                break;
                            }
                        }
                        else if($check[1] === '!=') {
                            if($record->{$check[0]} != $check[2]) {
                                $failed = true;
                                break;
                            }
                        }
                    }
                    if(!$failed) {
                        $result = $record->$field;
                        break;
                    }
                }
                break;
        }
        return $result;
    }
}