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mysqli_result::$current_field

mysqli_field_tell

(PHP 5)

mysqli_result::$current_field -- mysqli_field_tellGet current field offset of a result pointer

Description

Object oriented style

Procedural style

int mysqli_field_tell ( mysqli_result $result )

Returns the position of the field cursor used for the last mysqli_fetch_field() call. This value can be used as an argument to mysqli_field_seek().

Parameters

result

Procedural style only: A result set identifier returned by mysqli_query(), mysqli_store_result() or mysqli_use_result().

Return Values

Returns current offset of field cursor.

Examples

Example #1 Object oriented style

<?php
$mysqli 
= new mysqli("localhost""my_user""my_password""world");

/* check connection */
if (mysqli_connect_errno()) {
    
printf("Connect failed: %s\n"mysqli_connect_error());
    exit();
}

$query "SELECT Name, SurfaceArea from Country ORDER BY Code LIMIT 5";

if (
$result $mysqli->query($query)) {

    
/* Get field information for all columns */
    
while ($finfo $result->fetch_field()) {

        
/* get fieldpointer offset */
        
$currentfield $result->current_field;

        
printf("Column %d:\n"$currentfield);
        
printf("Name:     %s\n"$finfo->name);
        
printf("Table:    %s\n"$finfo->table);
        
printf("max. Len: %d\n"$finfo->max_length);
        
printf("Flags:    %d\n"$finfo->flags);
        
printf("Type:     %d\n\n"$finfo->type);
    }
    
$result->close();
}

/* close connection */
$mysqli->close();
?>

Example #2 Procedural style

<?php
$link 
mysqli_connect("localhost""my_user""my_password""world");

/* check connection */
if (mysqli_connect_errno()) {
    
printf("Connect failed: %s\n"mysqli_connect_error());
    exit();
}

$query "SELECT Name, SurfaceArea from Country ORDER BY Code LIMIT 5";

if (
$result mysqli_query($link$query)) {

    
/* Get field information for all fields */
    
while ($finfo mysqli_fetch_field($result)) {

        
/* get fieldpointer offset */
        
$currentfield mysqli_field_tell($result);

        
printf("Column %d:\n"$currentfield);
        
printf("Name:     %s\n"$finfo->name);
        
printf("Table:    %s\n"$finfo->table);
        
printf("max. Len: %d\n"$finfo->max_length);
        
printf("Flags:    %d\n"$finfo->flags);
        
printf("Type:     %d\n\n"$finfo->type);
    }
    
mysqli_free_result($result);
}

/* close connection */
mysqli_close($link);
?>

The above examples will output:

Column 1:
Name:     Name
Table:    Country
max. Len: 11
Flags:    1
Type:     254

Column 2:
Name:     SurfaceArea
Table:    Country
max. Len: 10
Flags:    32769
Type:     4

See Also

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