Differences

This shows you the differences between two versions of the page.

--- devwiki:php [2021/12/23 08:46] – [Python to Php] ying
+++ devwiki:php [2021/12/23 17:41] – [PHP and SQL] ying
@@ Line 16: / Line 16: @@
 // sort array
 sort($my_list);
+</code>
+  * unicode data insert, make sure
+    - database table's charset is utf8mb4 in sql<code>
+CREATE TABLE info_table (
+  id int(11) NOT NULL PRIMARY KEY AUTO_INCREMENT,
+  name varchar(50) NOT NULL,
+  edit_time DATETIME NOT NULL
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+</code>
+    - make sure database connect is set to utf8mb4 mode in php before query and insert<code>
+mysqli_set_charset($con, "utf8mb4");
+</code>
+    - make sure charset is declared in html <code>
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 </code>
 ====== Php Date and Time Related ======