Detailed interpretation of PHP pop-up dialog box techniques_php techniques

Many programmers use PHP language for WEB development. Then in websites, you usually encounter functional requirements such as dialog box pop-ups. Below we will introduce in detail the relevant implementation methods of PHP pop-up dialog boxes.
1. PHP pop-up dialog box

< &#63;PHP 
echo "< script language=
\"JavaScript\">alert
(\"你好\");< /script>"; 
&#63;> 
//或者
< &#63;PHP 
print "< script language=
\"JavaScript\">alert
(\"你好\");< /script>"; 
&#63;> 

2. If you need PHP to pop up a dialog box and return to the original page, you can write like this

< &#63;PHP 
echo "< script language=
\"JavaScript\">\r\n"; 
echo " alert(\"你好\");\r\n"; 
echo " history.back();\r\n"; 
echo "< /script>"; 
exit; 
&#63;> 
//或者
< &#63;PHP 
print "< script language=
\"JavaScript\">\r\n"; 
print " alert(\"你好\");\r\n"; 
print " history.back();\r\n"; 
print "< /script>"; 
exit; 
&#63;> 

3. If you need PHP to pop up a dialog box and replace the original page with a new page (replace the current history record), the original page can be written like this

< &#63;PHP 
echo "< script language=
\"JavaScript\">\r\n"; 
echo " alert(\"你好\");\r\n"; 
echo " location.replace
(\"http://www.jb51.net/\");
\r\n"; // 自己修改网址 
echo "< /script>"; 
exit; 
&#63;> 
或者

< &#63;PHP 
print "< script language=
\"JavaScript\">\r\n"; 
print " alert(\"你好\");\r\n"; 
print " location.replace
(\"http://www.jb51.net/\");
\r\n"; // 自己修改网址 
print "< /script>"; 
exit; 
&#63;> 

This article introduces three situations of PHP pop-up dialog boxes, hoping to help everyone master the implementation method of PHP pop-up dialog boxes.