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dbextra.php
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dbextra.php
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<?php
function esc($val)
{
return mysql_real_escape_string($val);
}
function quote($val)
{
if (is_numeric($val))
{
return $val;
}
else
{
return "'$val'";
}
}
function insertnullup($link,$table,$key,$clause,$map)
{
$keys = array_keys($map);
if ($clause != '')
{
$sql = "select * from $table where $clause";
$result = mysql_query($sql,$link)
or die ("insertup (select): $table ($clause) query failed: " . mysql_error());
$nrows = mysql_num_rows($result);
}
$keystr = [];
if ($nrows > 0)
{
$ref = mysql_fetch_array($result, MYSQL_ASSOC);
// update fields
foreach ($map as $k => $val)
{
if (!($map[$k] === ''))
{
$ref[$k] = $val;
}
// only update null fields
if ($ref[$k] == 'null')
{
array_push($keystr, $k . "=" . quote($ref[$k]));
}
}
# create nice string
if (sizeof($keystr) > 0)
{
$fields = join(",", $keystr);
$sql = "update $table set $fields where $clause";
// echo $sql . "<br>";
$result = mysql_query($sql,$link)
or die ("insertnullup (update): $table ($clause) query failed: " . mysql_error());
}
return $ref[$key];
}
else
{
// else insert
$fields = join(',', $keys);
foreach ($map as $k => $val)
{
$map[$k] = quote($val);
}
$values = array_values($map);
$valstr = join(',', $values);
$sql = "INSERT INTO $table ($fields) VALUES ($valstr)";
# get last key insert for primary key value ..
//echo $sql . "<br>";
$result = mysql_query($sql,$link)
or die ("insertnullup (insert): $table ($clause) query failed: " . mysql_error());
return mysql_insert_id($link);
}
}
function insertup($link,$table,$key,$clause,$map)
{
$keys = array_keys($map);
if ($clause != '')
{
$sql = "select * from $table where $clause";
$result = mysql_query($sql,$link)
or die ("insertup (select): $table ($clause) query failed: " . mysql_error());
$nrows = mysql_num_rows($result);
}
$keystr = [];
if ($nrows > 0)
{
$ref = mysql_fetch_array($result, MYSQL_ASSOC);
// update fields
foreach ($map as $k => $val)
{
if (!($map[$k] === ''))
{
$ref[$k] = $val;
}
array_push($keystr, $k . "=" . quote($ref[$k]));
}
# create nice string
$fields = join(",", $keystr);
$sql = "update $table set $fields where $clause";
//echo $sql . "<br>";
$result = mysql_query($sql,$link)
or die ("insertup (update): ($sql) query failed: " . mysql_error());
return $ref[$key];
}
else
{
// else insert
$fields = join(',', $keys);
foreach ($map as $k => $val)
{
$map[$k] = quote($val);
}
$values = array_values($map);
$valstr = join(',', $values);
$sql = "INSERT INTO $table ($fields) VALUES ($valstr)";
# get last key insert for primary key value ..
// echo $sql . "<br>";
$result = mysql_query($sql,$link)
or die ("insertup (insert): $table ($clause) query failed: " . mysql_error());
return mysql_insert_id($link);
}
}
?>