pg_update
(PHP 4 >= 4.3.0, PHP 5)
pg_update — Update table
Description
pg_update() updates records that matches condition with data. If options is specified, pg_convert() is applied to data with specified options.
הפונקציה זאת היא ניסיונית. ההתנהגות של הפונצקיה, שם הפונקציה וכל הדברים אשר מתועדים כאן עשויים להשתנות ללא התרעה בהפצות עתידיות של PHP. השתמש בתוספת זאת על אחריותך בלבד.
Parameters
- connection
-
PostgreSQL database connection resource.
- table_name
-
Name of the table into which to update rows.
- data
-
An array whose keys are field names in the table table_name , and whose values are what matched rows are to be updated to.
- condition
-
An array whose keys are field names in the table table_name , and whose values are the conditions that a row must meet to be updated.
- options
-
Any number of PGSQL_CONV_OPTS, PGSQL_DML_NO_CONV, PGSQL_DML_EXEC or PGSQL_DML_STRING combined. If PGSQL_DML_STRING is part of the options then query string is returned.
Return Values
מחזירה TRUE בעת הצלחה או FALSE בעת כישלון. Returns string if PGSQL_DML_STRING is passed via options .
דוגמאות
Example#1 pg_update() example
<?php
$db = pg_connect('dbname=foo');
$data = array('field1'=>'AA', 'field2'=>'BB');
// This is safe, since $_POST is converted automatically
$res = pg_update($db, 'post_log', $_POST, $data);
if ($res) {
echo "Data is updated: $res\n";
} else {
echo "User must have sent wrong inputs\n";
}
?>