FINFO_BUFFER(3) 1 FINFO_BUFFER(3)finfo_buffer - Return information about a string buffer
Procedural style
SYNOPSIS
string finfo_buffer NULL NULL (resource $finfo, string $string, [int $options = FILEINFO_NONE], [resource $context])
DESCRIPTION
Object oriented style string finfo::buffer NULL NULL (string $string, [int $options = FILEINFO_NONE], [resource $context])
This function is used to get information about binary data in a string.
PARAMETERS
o $finfo
- Fileinfo resource returned by finfo_open(3).
o $string
- Content of a file to be checked.
o $options
- One or disjunction of more Fileinfo constants.
o $context
-
RETURN VALUES
Returns a textual description of the $string argument, or FALSE if an error occurred.
EXAMPLES
Example #1
A finfo_buffer(3) example
<?php
$finfo = new finfo(FILEINFO_MIME);
echo $finfo->buffer($_POST["script"]) . "
";
?>
The above example will output something similar to:
application/x-sh; charset=us-ascii
SEE ALSO finfo_file(3).
PHP Documentation Group FINFO_BUFFER(3)
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MAXDB_FETCH_FIELD(3) 1 MAXDB_FETCH_FIELD(3)maxdb_fetch_field - Returns the next field in the result set
Procedural style
SYNOPSIS
mixed maxdb_fetch_field (resource $result)
DESCRIPTION
Object oriented style
mixed maxdb_result::fetch_field (void )
The maxdb_fetch_field(3) returns the definition of one column of a result set as an resource. Call this function repeatedly to retrieve
information about all columns in the result set. maxdb_fetch_field(3) returns FALSE when no more fields are left.
RETURN VALUES
Returns an resource which contains field definition information or FALSE if no field information is available.
Object properties
+-----------+---------------------------------------------------+
| Property | |
| | |
| | Description |
| | |
+-----------+---------------------------------------------------+
| name | |
| | |
| | The name of the column |
| | |
|max_length | |
| | |
| | The maximum width of the field for the result |
| | set. |
| | |
| type | |
| | |
| | The data type used for this field |
| | |
| decimals | |
| | |
| | The number of decimals used (for integer fields) |
| | |
+-----------+---------------------------------------------------+
EXAMPLES
Example #1
Object oriented style
<?php
$maxdb = new maxdb("localhost", "MONA", "RED", "DEMODB");
/* check connection */
if (maxdb_connect_errno()) {
printf("Connect failed: %s
", maxdb_connect_error());
exit();
}
$query = "SELECT name, cno from hotel.customer ORDER BY cno";
if ($result = $maxdb->query($query)) {
/* Get field information for all columns */
while ($finfo = $result->fetch_field()) {
printf("Name: %s
", $finfo->name);
printf("Table: %s
", $finfo->table);
printf("max. Len: %d
", $finfo->max_length);
printf("Flags: %d
", $finfo->flags);
printf("Type: %d
", $finfo->type);
}
$result->close();
}
/* close connection */
$maxdb->close();
?>
Example #2
Procedural style
<?php
$link = maxdb_connect("localhost", "MONA", "RED", "DEMODB");
/* check connection */
if (maxdb_connect_errno()) {
printf("Connect failed: %s
", maxdb_connect_error());
exit();
}
$query = "SELECT name, cno from hotel.customer ORDER BY cno";
if ($result = maxdb_query($link, $query)) {
/* Get field information for all fields */
while ($finfo = maxdb_fetch_field($result)) {
printf("Name: %s
", $finfo->name);
printf("Table: %s
", $finfo->table);
printf("max. Len: %d
", $finfo->max_length);
printf("Flags: %d
", $finfo->flags);
printf("Type: %d
", $finfo->type);
}
maxdb_free_result($result);
}
/* close connection */
maxdb_close($link);
?>
The above example will output something similar to:
Name: NAME
Table:
max. Len: 10
Flags: -1
Type: 2
Name: CNO
Table:
max. Len: 4
Flags: -1
Type: 0
SEE ALSO maxdb_num_fields(3), maxdb_fetch_field_direct(3), maxdb_fetch_fields(3), maxdb_field_seek(3).
PHP Documentation Group MAXDB_FETCH_FIELD(3)