function

function.php

<?php
  
if (! function_exists('format_number')) {
    /**
     * 格式化数字
     *
     * @param  float|int  $number
     * @param  string  $rule
     * @param  int  $depth
     *
     * @return float
     */
    function format_number($number, $rule = 'round', $depth = 2)
    {
        if (! in_array($rule, ['ceil', 'floor', 'round'])) {
            throw new InvalidArgumentException(sprintf('Invalid argument $rule: %s', $rule));
        }

        $sprintf = "%.{$depth}f";

        // $pow = 10 ** $depth;
        $pow = pow(10, $depth);

        $rule === 'round' and $formatNumber = sprintf($sprintf, round($number, $depth));
        $rule === 'ceil' and $formatNumber = sprintf($sprintf, ceil($number * $pow) / $pow);
        $rule === 'floor' and $formatNumber = sprintf($sprintf, floor($number * $pow) / $pow);

        return (float)$formatNumber;
    }
}

if (!function_exists('uuid')) {
    /**
     * 获取全球唯一标识
     * @return string
     */
    function uuid()
    {
        return sprintf(
            '%04x%04x-%04x-%04x-%04x-%04x%04x%04x', mt_rand(0, 0xffff), mt_rand(0, 0xffff), mt_rand(0, 0xffff), mt_rand(0, 0x0fff) | 0x4000, mt_rand(0, 0x3fff) | 0x8000, mt_rand(0, 0xffff), mt_rand(0, 0xffff), mt_rand(0, 0xffff)
        );
    }
}

if (!function_exists('ajaxReturn')) {
    /**
     * 成功返回
     * @param integer $code
     * @param string  $msg
     * @param array   $data
     * @return string
     */
    function ajaxReturn($code, $msg = '', $data = [])
    {
        $returnData = [
            'code' => $code,
            'msg'  => $msg,
            'data' => $data
        ];
        header('Content-Type:application/json; charset=utf-8');
        exit(json_encode($returnData, JSON_UNESCAPED_UNICODE));
    }
}

if (!function_exists('ajaxSuccess')) {
    /**
     * 成功输出
     */
    function ajaxSuccess($msg = '操作成功', $data = [], $code = 1)
    {
        ajaxReturn($code, $msg, $data);
    }
}

if (!function_exists('ajaxError')) {
    /**
     * 错误输出
     */
    function ajaxError($msg = '操作失败', $data = [], $code = -1)
    {
        ajaxReturn($code, $msg, $data);
    }
}

if (!function_exists('logWrite')) {
    /**
     * 记录日志
     * @param string $info
     * @return bool
     */
    function logWrite($info = '')
    {
        $data = date('Y-m-d H:i:s', NOW_TIME) . '|' . get_client_ip() . '|' . $info;
        \Think\Log::write($data, 'INFO');
        return true;
    }
}

if (!function_exists('p')) {
    /**
     * 打印数据
     */
    function p($data)
    {
        header('Content-Type:text/html; charset=utf-8');
        // 定义样式
        $str = '<pre style="display: block;padding: 9.5px;margin: 44px 0 0 0;font-size: 13px;line-height: 1.42857;color: #333;word-break: break-all;word-wrap: break-word;background-color: #F5F5F5;border: 1px solid #CCC;border-radius: 4px;">';
        // 如果是boolean或者null直接显示文字；否则print
        if (is_bool($data)) {
            $show_data = $data ? 'true' : 'false';
        } else if (is_null($data)) {
            $show_data = 'null';
        } else {
            $show_data = print_r($data, true);
        }
        $str .= $show_data;
        $str .= '</pre>';
        echo $str;
    }
}

if (!function_exists('pp')) {
    /**
     * 打印数据并终止
     */
    function pp($data)
    {
        p($data);
        die;
    }
}

if (!function_exists('httpHost')) {
    /**
     * 获取协议 + 域名
     * @return string
     */
    function httpHost()
    {
        if (APP_DEBUG) {
            return 'http://' . I("server.HTTP_HOST");
        }
        return (I("server.HTTPS") ? 'https://' : 'http://') . I("server.HTTP_HOST");
    }
}

if (!function_exists('makePassword')) {
    /**
     * 加密字符串
     * @param       $value
     * @param array $options
     * @return bool|string
     */
    function makePassword($value, array $options = [])
    {
        $hash = password_hash($value, PASSWORD_BCRYPT, ['cost' => 10]);

        if ($hash === false) {
            throw new \Exception('Bcrypt hashing not supported.');
        }

        return $hash;
    }
}

if (!function_exists('checkPassword')) {
    /**
     * 验证加密字符串
     * @param       $value
     * @param       $hashedValue
     * @param array $options
     * @return bool
     */
    function checkPassword($value, $hashedValue, array $options = [])
    {
        if (strlen($hashedValue) === 0) {
            return false;
        }

        return password_verify($value, $hashedValue);
    }
}