10 recommended articles about the mysql_num_fields() function

1. $row = mysql_fetch_row($result); Returns a regular array $row, $row[0] is the first element, $row[1] is the second element, and so on... mysql_num_fields ($result) Returns the number of elements in the result. 2. $row = mysql_fetch_array($result); returns an array $row. The example is as follows: The table structure is as follows: username | password ----------------------- -------------- bourbon | abc berber | efg The first time you run $row = mysql_fetch_array($result), the results are as follows: $row[0] = $row["username"] = "bourbon" $row[1] = $row["password"] = "abc" The first time you run

1. Nine Million Bicycles php access query mysql data three Method

Introduction: Nine Million Bicycles:Nine Million Bicycles Three ways to access and query mysql data in PHP: 1. $row = mysql_fetch_row($result); Returns a rule The array $row, $row[0] is the first element, $row[1] is the second element, and so on... mysql_num_fields($result) returns the number of elements in the result. 2. $row = mysql_fetch_array($result); returns an array $row. For example: The table structure is as follows:

2. Three ways to access and query mysql data in php _PHP Tutorial

#Introduction: Three methods for PHP to access and query mysql data. 1. $row = mysql_fetch_row($result); returns a regular array $row, $row[0] is the first element, $row[1] is the second element, and so on... mysql_num_fields($result ) Return the elements of the result

3. PHP implementation techniques for obtaining the number of fields_PHP tutorial

Introduction: PHP Explanation on implementation techniques for obtaining the number of fields. We can count the number of all fields in the table to be queried through the mysql_num_fields() function. The syntax format of this function is as follows: int mysql_num_fields (resource $result) Its

4. php gets field name example sharing_PHP tutorial

Introduction: php gets field name example sharing. Copy the code as follows: ?php $link = mysql_connect('localhost', 'username', 'password'); $fields = mysql_list_fields("database", "table", $link); $columns = mysql_num_fields($fi

5. Two methods to obtain mysql column information in php_PHP tutorial

Introduction: in php Two methods to obtain mysql column information. 1. Use mysql_fetch_field $query=$db->query(" SELECT * FROM $tablename limit 1"); $num=mysql_num_fields($query); for($i=0; $i { $f_db=mysql_fetch_field($query,$i); $showdb[]=$f_db

6. Two methods to obtain mysql column information in php _PHP tutorial

Introduction: Two methods to obtain mysql column information in php 1. Use mysql_fetch_field $query=$db-query( SELECT * FROM $tablename limit. 1); $num=mysql_num_fields($query); for($i=0;$i$num;$i++) { $f_db=mysql_fetch_field($query,$i); $showdb[

7. Ask for the correct way of writing

#Introduction: For the correct way of writing, just look at the code: PHP code while ($row=mysql_fetch_row($result)) { for ($i=0; $i Issues related to taking mysql field comments

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