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join query


desithugg

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[code]
<?php
$link = mysql_connect('localhost', $my_sql_password, $my_sql_username);
if (!$link) {
  die('Could not connect: ' . mysql_error());
}
$db_selected = mysql_select_db('tpf');
if (!$db_selected) {
  die('Could not select database: ' . mysql_error());
}
$query = "SELECT author.post,post.post,id.post,extra.post,signature.signup FROM post where thread_id = '$thread_id' ORDER BY id.post ASC limit $start,10";
$result = mysql_query($query) or die(mysql_error());
while($row = mysql_fetch_array($result)) { $count++; $row['post'] = str_replace(array_keys($filter), array_values($filter), $row['post']); $row['post'] =  nl2br($row['post']);
echo "too long to post here";
}
?>
[/code]
but i also want to recieve the get the signup table where the username = author.post but i dont know where to add it do i use AND OR???
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o my bad so the table comes before the dot
[code]
<?php
$link = mysql_connect('localhost', $my_sql_password, $my_sql_username);
if (!$link) {
  die('Could not connect: ' . mysql_error());
}
$db_selected = mysql_select_db('tpf');
if (!$db_selected) {
  die('Could not select database: ' . mysql_error());
}
$query = "SELECT post.author,post.post,post.id,post.extra,signup.signature FROM post.signup where thread_id = '$thread_id' ORDER BY id.post ASC limit $start,10";
$result = mysql_query($query) or die(mysql_error());
while($row = mysql_fetch_array($result)) { $count++; $row['post'] = str_replace(array_keys($filter), array_values($filter), $row['post']); $row['post'] =  nl2br($row['post']);
echo "too long to post here";
}
?>
[/code]

okay there and i want to eceice the row signup.signature where the row signup.username is = to post.author but where do i add this since i already have a where do i use AND OR??
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