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Some changes to remove warnings about empty variables and cleanup

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moodler 2002-12-29 04:02:42 +00:00
parent fa9ef12118
commit 5c63e0c4ee
1 changed files with 50 additions and 33 deletions
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83
lib/datalib.php
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@ -64,19 +64,21 @@ function modify_database($sqlfile) {
}
function record_exists($table, $field="", $value="", $field2="", $value2="", $field3="", $value3="") {
function record_exists($table, $field1="", $value1="", $field2="", $value2="", $field3="", $value3="") {
/// Returns true or false depending on whether the specified record exists
global $CFG;
if ($field) {
$select = "WHERE $field = '$value'";
if ($field1) {
$select = "WHERE $field1 = '$value1'";
if ($field2) {
$select .= " AND $field2 = '$value2'";
if ($field3) {
$select .= " AND $field3 = '$value3'";
}
}
} else {
$select = "";
}
return record_exists_sql("SELECT * FROM $CFG->prefix$table $select LIMIT 1");
@ -100,19 +102,21 @@ function record_exists_sql($sql) {
}
function count_records($table, $field="", $value="", $field2="", $value2="", $field3="", $value3="") {
function count_records($table, $field1="", $value1="", $field2="", $value2="", $field3="", $value3="") {
/// Get all the records and count them
global $CFG;
if ($field) {
$select = "WHERE $field = '$value'";
if ($field1) {
$select = "WHERE $field1 = '$value1'";
if ($field2) {
$select .= " AND $field2 = '$value2'";
if ($field3) {
$select .= " AND $field3 = '$value3'";
}
}
} else {
$select = "";
}
return count_records_sql("SELECT COUNT(*) FROM $CFG->prefix$table $select");
@ -143,12 +147,12 @@ function count_records_sql($sql) {
return $rs->fields[0];
}
function get_record($table, $field, $value, $field2="", $value2="", $field3="", $value3="") {
function get_record($table, $field1, $value1, $field2="", $value2="", $field3="", $value3="") {
/// Get a single record as an object
global $CFG;
$select = "WHERE $field = '$value'";
$select = "WHERE $field1 = '$value1'";
if ($field2) {
$select .= " AND $field2 = '$value2'";
@ -186,12 +190,15 @@ function get_records($table, $field="", $value="", $sort="", $fields="*") {
if ($field) {
$select = "WHERE $field = '$value'";
}
if ($sort) {
$sortorder = "ORDER BY $sort";
} else {
$select = "";
}
return get_records_sql("SELECT $fields FROM $CFG->prefix$table $select $sortorder");
if ($sort) {
$sort = "ORDER BY $sort";
}
return get_records_sql("SELECT $fields FROM $CFG->prefix$table $select $sort");
}
function get_records_select($table, $select="", $sort="", $fields="*") {
@ -202,15 +209,17 @@ function get_records_select($table, $select="", $sort="", $fields="*") {
global $CFG;
if ($sort) {
$sortorder = "ORDER BY $sort";
}
if ($select) {
$select = "WHERE $select";
} else {
$select = "";
}
return get_records_sql("SELECT $fields FROM $CFG->prefix$table $select $sortorder");
if ($sort) {
$sort = "ORDER BY $sort";
}
return get_records_sql("SELECT $fields FROM $CFG->prefix$table $select $sort");
}
@ -225,12 +234,15 @@ function get_records_list($table, $field="", $values="", $sort="", $fields="*")
if ($field) {
$select = "WHERE $field in ($values)";
}
if ($sort) {
$sortorder = "ORDER BY $sort";
} else {
$select = "";
}
return get_records_sql("SELECT $fields FROM $CFG->prefix$table $select $sortorder");
if ($sort) {
$sort = "ORDER BY $sort";
}
return get_records_sql("SELECT $fields FROM $CFG->prefix$table $select $sort");
}
@ -269,12 +281,15 @@ function get_records_menu($table, $field="", $value="", $sort="", $fields="*") {
if ($field) {
$select = "WHERE $field = '$value'";
}
if ($sort) {
$sortorder = "ORDER BY $sort";
} else {
$select = "";
}
return get_records_sql_menu("SELECT $fields FROM $CFG->prefix$table $select $sortorder");
if ($sort) {
$sort = "ORDER BY $sort";
}
return get_records_sql_menu("SELECT $fields FROM $CFG->prefix$table $select $sort");
}
function get_records_select_menu($table, $select="", $sort="", $fields="*") {
@ -285,15 +300,15 @@ function get_records_select_menu($table, $select="", $sort="", $fields="*") {
global $CFG;
if ($sort) {
$sortorder = "ORDER BY $sort";
}
if ($select) {
$select = "WHERE $select";
}
return get_records_sql_menu("SELECT $fields FROM $CFG->prefix$table $select $sortorder");
if ($sort) {
$sort = "ORDER BY $sort";
}
return get_records_sql_menu("SELECT $fields FROM $CFG->prefix$table $select $sort");
}
@ -344,19 +359,21 @@ function set_field($table, $newfield, $newvalue, $field, $value) {
}
function delete_records($table, $field="", $value="", $field2="", $value2="", $field3="", $value3="") {
function delete_records($table, $field1="", $value1="", $field2="", $value2="", $field3="", $value3="") {
/// Delete one or more records from a table
global $db, $CFG;
if ($field) {
$select = "WHERE $field = '$value'";
if ($field1) {
$select = "WHERE $field1 = '$value1'";
if ($field2) {
$select .= " AND $field2 = '$value2'";
if ($field3) {
$select .= " AND $field3 = '$value3'";
}
}
} else {
$select = "";
}
return $db->Execute("DELETE FROM $CFG->prefix$table $select");