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<blockquote data-quote="Li1M0ST3Rz" data-source="post: 374650" data-attributes="member: 1271">[PHP]if(isset($_GET['buy']))&nbsp; &nbsp; &nbsp; &nbsp; {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; $re = &quot;SELECT * FROM info_sell WHERE id='&quot;.$_GET['buy'].&quot;' AND added='&quot;.$row['username'].&quot;'&quot;;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; $res = mysql_query($re) or die(mysql_error());&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; $buy = mysql_fetch_array($res);&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; $b = $row['credit'];&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; $s = $buy['price'];&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if($b &lt; $s)&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; echo '&lt;font color=&quot;red&quot;&gt;Cannot buy with '.$row[&quot;price&quot;].'&lt;/font&gt;';&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if($b &gt; $s)&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; {&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; echo '&lt;h1&gt;this work!&lt;/h1&gt;';&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }&nbsp; &nbsp; &nbsp; &nbsp; }[/PHP]so let me explain, the method $_GET['buy'] will listen for a url display like this: localhost/cart.php?buy=1 so we can know where they buying from and if the user added it. Afterwards, $row is a user data that isnt shown cause its in the function and its not the problem. But the if greater than or less than is a problem and i dont know how to continue from this mishaps. It doesnt show result if it works or cannot buy help?</blockquote>

[QUOTE="Li1M0ST3Rz, post: 374650, member: 1271"] [PHP]if(isset($_GET['buy'])) { $re = "SELECT * FROM info_sell WHERE id='".$_GET['buy']."' AND added='".$row['username']."'"; $res = mysql_query($re) or die(mysql_error()); $buy = mysql_fetch_array($res); $b = $row['credit']; $s = $buy['price']; if($b < $s) { echo 'Cannot buy with '.$row["price"].''; } if($b > $s) { echo '<h1>this work!</h1>'; } }[/PHP] so let me explain, the method $_GET['buy'] will listen for a url display like this: localhost/cart.php?buy=1 so we can know where they buying from and if the user added it. Afterwards, $row is a user data that isnt shown cause its in the function and its not the problem. But the if greater than or less than is a problem and i dont know how to continue from this mishaps. It doesnt show result if it works or cannot buy help? [/QUOTE]

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