How does php modify records in mysql

This article mainly explains "how php modifies the records in mysql". The content in the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "how php modifies the records in mysql".

1. Query the current record through "SELECT * FROM symbols".

2. Modify the record by "mysqli_query ($sql);".

Example

Modification record if (isset ($_ POST ['btnModify'])) {/ / verify that the form omits $sql = "UPDATE animal SET WHERE ID =' $_ post [id]'"; $result = mysqli_query ($sql); / / updates if ($result) {echo "the modification has been successful!" ;} else {echo "modification failed!" ;}} / / query the current record $query = "SELECT * FROM symbols"; / / execute the query if ($result = $mysqli- > query ($query)) {/ / display the number of recordset rows returned if ($result- > num_rows > 0) {/ / if there is a record / / display the contents of the columns in the recordset echo "" While ($row=$result- > fetch_array ()) {echo "; echo"; echo";}} / / release the memory occupied by the object $result- > close () }? > $row [0] $row [1] $row [2] Thank you for reading, the above is the content of "how php modifies the record in mysql". After the study of this article, I believe you have a deeper understanding of how php modifies the record in mysql, and the specific use needs to be verified in practice. Here is, the editor will push for you more related knowledge points of the article, welcome to follow!