php - noob: display err_msg on page -
i have form populates database, , i'm having trouble error handling. want errors show in small pop window on same pg.
<form id="form1" name="form1" method="post" action="mailform.php" onsubmit="mm_validateform('name','','r','business name','','r','email address','','r','how selling product','','r','where did hear us','','r');return document.mm_returnvalue"> <div style="color:#ff0000; text-align:center;"><?php if(!empty($_get['err_msg'])){echo $_get['err_msg'];} ?></div> <fieldset> <legend>contact form</legend> <p class="first"> <label for="name">first name</label> <input type="text" name="first name" id="first_name" size="30" value="<?=htmlentities($profiledata['first_name'])?>" /> </p> <p class="first"> <label for="name">last name</label> <input type="text" name="last name" id="last_name" size="30" value="<?=htmlentities($profiledata['last_name'])?>" /> </p> <p> <label for="name">phone number</label> <input type="text" name="phone number" id="phone number" size="30" value="<?=$profiledata['phone_number']?>" /> </p> <p> <label for="email">business name</label> <input type="text" name="business name" id="business name" size="30" value="<?=htmlentities($profiledata['business_name'])?>" /> </p> <p> <label for="email">web address</label> <input type="text" name="web address" id="web address" size="30" value="<?=$profiledata['web_address']?>" /> </p> <p> <label for="email">email</label> <input type="text" name="email address" id="email address" size="30" value="<?=$profiledata['email_address']?>" /> </p> <p> <img src="captchasecurityimages.php?width=100&height=40&characters=5" /><br /> <label for="security_code">security code: </label><input id="security_code" name="security_code" type="text" /> </p> </fieldset> <fieldset> <p> <label for="message">describe how plan on selling product</label> <textarea name="how selling product" id="how selling product" cols="30" rows="4"><?=htmlentities($profiledata['how_selling_product'])?></textarea> </p> <p> <label for="message">where did hear us?</label> <textarea name="where did hear us" id="where did hear us" cols="30" rows="4"><?=htmlentities($profiledata['where_did_you_hear_about_us'])?></textarea> </p> </fieldset> <p class="submit"><button type="submit">send</button></p> <input name="mailform_address" type="hidden" value="email@address.com" /> </form> error handling:
function valid_email($str) { return ( ! preg_match("/^([a-z0-9\+_\-]+)(\.[a-z0-9\+_\-]+)*@([a-z0-9\-]+\.)+[a-z]{2,6}$/ix", $str)) ? false : true; } function is_url($str) { return ( ! preg_match("/^((www)\.)?((\w+|[\d]?+)+(\.|\-)(\w+[\d]?+))+(\w)$/", $str)) ? false : true; } function valid_phone($str) { $num = $str; $num = ereg_replace("([ ]+)","",$num);; $num = eregi_replace("(\(|\)|\-|\+)","",$num); if(!is_numeric($num)) { return false; } else return true; } $form_field = array( 'first_name' => '', 'last_name' => '', 'business_name' => '', 'phone_number' => '', 'web_address' => '', 'email_address' => '', 'how_selling_product' => '', 'where_did_you_hear_about_us' => '', ); foreach($form_field $key => $value){$profiledata[$key]=trim($_post[$key]);} $_session['profiledata'] = $profiledata; $emailto = null; $emailmessage = "dealer contact form\n"; $emailsubject = "dealer contact form"; if(!empty($_post)){ //echo "<pre>";print_r($_post);die; if( $_session['security_code'] != $_post['security_code'] || empty($_session['security_code'] ) ) { // insert code showing error message here $err_msg = 'sorry, have provided invalid security code'; header("location: reseller.php?err_msg=".urlencode($err_msg)); return; } else { unset($_session['security_code']); } $fname = html_entity_decode(trim($_post['first_name'])); $lname = html_entity_decode(trim($_post['last_name'])); $company = html_entity_decode(trim($_post['business_name'])); $phone = html_entity_decode(trim($_post['phone_number'])); $website = html_entity_decode(trim($_post['web_address'])); $email = html_entity_decode(trim($_post['email_address'])); $notes = "lead source: ".html_entity_decode(trim($_post['where_did_you_hear_about_us']))."\n"; $notes .= "selling method: ".html_entity_decode(trim($_post['how_selling_product'])); if(!valid_phone($phone)){ $err_msg = 'please enter valid phone number.'; header("location: reseller.php?err_msg=".urlencode($err_msg)); return; } if(!is_url($website)){ $err_msg = 'please enter valid web address.'; header("location: reseller.php?err_msg=".urlencode($err_msg)); return; } if(!valid_email($email)){ $err_msg = 'please enter valid email.'; header("location: reseller.php?err_msg=".urlencode($err_msg)); return; } if(!stristr($website,"http://") && !stristr($website,"https://") && $website){ $website = "http://".$website; } $res = mysql_query("select in_customer_id tbl_customer st_company_name = '".addslashes($company)."'"); if(mysql_num_rows($res)){ $err_msg = 'business name exists'; header("location: reseller.php?err_msg=".urlencode($err_msg)); return; } $res = mysql_query("select st_user_name,st_user_email_id tbl_admin_user st_user_email_id='".addslashes($email)."' , flg_is_delete=0"); if(mysql_num_rows($res)){ $err_msg = 'email exists'; header("location: reseller.php?err_msg=".urlencode($err_msg)); return; } i'd appreciate or @ least nudge in right direction. thanks!
depending on kind of 'popup' want, want implement client side javascript displays nicely formatted message makes use of message send server.
i'd @ using jquery if me.
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