Associates a PHP variable with a column for query fetches using oci_fetch().
The oci_define_by_name() call must occur before
executing oci_execute().
인수
statement
A valid OCI8 statement
identifier created by oci_parse() and executed
by oci_execute(), or a REF
CURSOR statement identifier.
column_name
The column name used in the query.
Use uppercase for Oracle's default, non-case sensitive column
names. Use the exact column name case for case-sensitive
column names.
variable
The PHP variable that will contain the returned column value.
type
The data type to be returned. Generally not needed. Note that
Oracle-style data conversions are not performed. For example,
SQLT_INT will be ignored and the returned
data type will still be SQLT_CHR.
You can optionally use oci_new_descriptor()
to allocate LOB/ROWID/BFILE descriptors.
$sql = 'SELECT location_id, city FROM locations WHERE location_id < 1200'; $stid = oci_parse($conn, $sql);
// The defines MUST be done before executing oci_define_by_name($stid, 'LOCATION_ID', $locid); oci_define_by_name($stid, 'CITY', $city);
oci_execute($stid);
// Each fetch populates the previously defined variables with the next row's data while (oci_fetch($stid)) { echo "Location id $locid is $city<br>\n"; }
// Displays: // Location id 1000 is Roma // Location id 1100 is Venice
oci_free_statement($stid); oci_close($conn);
?>
Example #2 oci_define_by_name() with case sensitive column names
<?php
/* Before running, create the table with a case sensitive column name: CREATE TABLE mytab (id NUMBER, "MyDescription" VARCHAR2(30)); INSERT INTO mytab (id, "MyDescription") values (1, 'Iced Coffee'); COMMIT; */
// The defines MUST be done before executing oci_define_by_name($stid, 'ID', $id); oci_define_by_name($stid, 'FRUIT', $fruit); // $fruit will become a LOB descriptor
oci_execute($stid);
while (oci_fetch($stid)) { echo $id . " is " . $fruit->load(100) . "<br>\n"; }