explode function splits an array

Question

Use the explode(":",$str) function to split the string -, if there is such data in $st [Transaction time: 2019-04-23 19:34:45] you want to get the complete data when splitting Time 2019-04-23 19:34:45, how to operate?

Answer 1

$str ='【交易时间：2019-04-23 19:34:45】';


$patt ='/【交易时间：(.*)】/';
$str1 = "";
$str2=preg_replace($patt,$str1,$str);

echo $str2;

One of the methods

But if the colon after your transaction time is in Chinese, you can directly intercept the Chinese colon

Answer 2

Can be intercepted through regular expressions