Utils.php
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<?php
/**
* Created by PhpStorm.
* User: billy
* Date: 12/02/2017
* Time: 11:06 AM
*/
namespace App\Common;
class Utils
{
/**
* @return string
*/
public static function guid()
{
$timestamp = time();
$ranstr = rand(9999, 9999999999);
return md5($timestamp . $ranstr) . substr(md5($ranstr), 0, 8);
}
/**
* xml转为数组
*/
public static function xmlToArray($xmlStr)
{
$msg = array();
$postStr = $xmlStr;
$msg = json_decode(json_encode(simplexml_load_string($postStr, 'SimpleXMLElement', LIBXML_NOCDATA)), true);
return $msg;
}
/**
* @param $number
* @param int $precision
* @return float|int
*/
public static function round_up($number, $precision = 3)
{
$fig = (int) str_pad('1', $precision, '0');
return (ceil($number * $fig) / $fig);
}
/**
* @param $number
* @param int $precision
* @return float|int
*/
public static function round_down($number, $precision = 3)
{
$fig = (int) str_pad('1', $precision, '0');
return (floor($number * $fig) / $fig);
}
/**
* @param $data
* @param $key
* @return mixed
*/
public static function array_remove($data, $key)
{
if(!array_key_exists($key, $data)){
return $data;
}
$keys = array_keys($data);
$index = array_search($key, $keys);
if($index !== FALSE){
array_splice($data, $index, 1);
}
return $data;
}
/**
* @param $day1
* @param $day2
* @return float|int
*/
public static function diffBetweenTwoDays ($day1, $day2)
{
$second1 = strtotime($day1);
$second2 = strtotime($day2);
if ($second1 < $second2) {
$tmp = $second2;
$second2 = $second1;
$second1 = $tmp;
}
return ($second1 - $second2) / 86400;
}
}