{"id":2859,"date":"2019-01-28T15:53:52","date_gmt":"2019-01-28T08:53:52","guid":{"rendered":"https:\/\/devbanban.com\/?p=2859"},"modified":"2019-01-28T15:53:52","modified_gmt":"2019-01-28T08:53:52","slug":"codeigniter-check-duplicate-data-with-num_rows","status":"publish","type":"post","link":"https:\/\/devbanban.com\/?p=2859","title":{"rendered":"Codeigniter : Check duplicate data with num_rows"},"content":{"rendered":"

Codeigniter : Check duplicate data with num_rows<\/p>\n

this workshop use to check a\u00a0 duplicate data with num_rows in codeigniter.\u00a0 eg = colunm ‘mailto’<\/p>\n

example\u00a0 code\u00a0<\/strong><\/p>\n

the table<\/strong><\/p>\n

CREATE TABLE `tbl_mail` (\r\n  `mid` int(11) NOT NULL,\r\n  `mailto` varchar(200) NOT NULL,\r\n  `mailsub` varchar(200) NOT NULL,\r\n  `mailmessage` varchar(200) NOT NULL\r\n) ENGINE=InnoDB DEFAULT CHARSET=utf8;\r\nALTER TABLE `tbl_mail2`\r\n  ADD PRIMARY KEY (`mid`);\r\nALTER TABLE `tbl_mail2`\r\n  MODIFY `mid` int(11) NOT NULL AUTO_INCREMENT;\r\nCOMMIT;<\/pre>\n
view<\/b><\/p>\n
<!DOCTYPE html>\r\n<html>\r\n\t<head>\r\n\t\t<title>form add mail<\/title>\r\n\t<\/head>\r\n\t<body>\r\n\t\t<form action=\"<?php echo site_url('email\/adding');?>\" method=\"post\">\r\n\t\t\t<h4>::Form add::<\/h4>\r\n\t\t\tTo   <br \/>\r\n\t\t\t<input type=\"email\" name=\"mailto\"  required\/>\r\n\t\t\t<br \/>\r\n\t\t\tSubject <br \/>\r\n\t\t\t<input type=\"text\" name=\"mailsub\"  required \/>\r\n\t\t\t<br \/>\r\n\t\t\tDetail <br \/>\r\n\t\t\t<textarea name=\"mailmessage\" required><\/textarea>\r\n\t\t\t<br \/>\r\n\t\t\t<button type=\"submit\">Send<\/button>\r\n\t\t<\/form>\r\n\t<\/body>\r\n<\/html><\/pre>\n
controller<\/strong><\/p>\n
public function adding($value=''){\r\n$mailto = $this->input->post('mailto');\r\n\/\/ num rows example\r\n$this->db->select('mailto');\r\n$this->db->where('mailto',$mailto);\r\n$query = $this->db->get('tbl_mail');\r\n$num = $query->num_rows();\r\n\tif($num > 0)\r\n\t{\r\n\t\t echo 'duplicate !!';\r\n\t}else{\r\n\t\t$arr=array(\r\n\t\t'mailto'=> $this->input->post('mailto'),\r\n\t\t'mailsub'=> $this->input->post('mailsub'),\r\n\t\t'mailmessage'=> $this->input->post('mailmessage')\r\n\t\t);\r\n\t\t$this->db->insert('tbl_mail2',$arr);\r\n\t\techo 'added !!';\r\n\t}\r\n}<\/pre>\n
result\u00a0<\/strong><\/p>\n
if can add data echo added !!<\/span>\u00a0 or duplicate data echo duplicate !!.<\/span><\/p>\n
 <\/p>\n
 <\/p>\n
 <\/p>\n","protected":false},"excerpt":{"rendered":"
Codeigniter : Check duplicate data with num_rows<\/p>\n","protected":false},"author":1,"featured_media":2184,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[164],"tags":[165,237],"class_list":["post-2859","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-codeigniter","tag-codeigniter","tag-num_rows"],"yoast_head":"\nCodeigniter : Check duplicate data with num_rows - \u0e2a\u0e2d\u0e19\u0e2a\u0e23\u0e49\u0e32\u0e07\u0e40\u0e27\u0e47\u0e1a\u0e44\u0e0b\u0e15\u0e4c\u0e1f\u0e23\u0e35 [PHP, SQL, Codeigniter, Bootstrap, HTML]<\/title>\n<meta name=\"description\" content=\"DEVBANBAN \u0e2a\u0e2d\u0e19\u0e17\u0e33\u0e40\u0e27\u0e47\u0e1a\u0e44\u0e0b\u0e15\u0e4c, \u0e17\u0e33\u0e40\u0e27\u0e47\u0e1a\u0e44\u0e0b\u0e15\u0e4c, \u0e2a\u0e2d\u0e19\u0e17\u0e33 website, \u0e2a\u0e2d\u0e19 dreamweaver, \u0e2a\u0e2d\u0e19 php, \u0e2a\u0e2d\u0e19 codeigniter\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/devbanban.com\/?p=2859\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Codeigniter : Check duplicate data with num_rows - 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class Home extends CI_Controller { public function __construct() { parent::__construct(); check_lang(); $this->load->model('mail_model'); } public function index() { $data['mails'] = $this->mail_model->get_all_mail(); $data['language']=$this->session->userdata('language'); \/\/ echo '<pre>'; \/\/ print_r($data); \/\/ echo '<\/pre>'; $this->load->view('home_view2',$data); } } default_helper.php from folder helpers \u00a0\u2026","rel":"","context":"In "Codeigniter"","block_context":{"text":"Codeigniter","link":"https:\/\/devbanban.com\/?cat=164"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/devbanban.com\/wp-content\/uploads\/2018\/05\/ci.png?fit=431%2C512&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":3517,"url":"https:\/\/devbanban.com\/?p=3517","url_meta":{"origin":2859,"position":4},"title":"\u0e2d\u0e31\u0e1e\u0e42\u0e2b\u0e25\u0e14\u0e44\u0e1f\u0e25\u0e4c\u0e08\u0e32\u0e01 2 Input \u0e14\u0e49\u0e27\u0e22 CodeIgniter, How to upload two images into two fields using CodeIgniter","author":"devbanban","date":"11\/05\/2020","format":false,"excerpt":"\u0e15\u0e31\u0e27\u0e2d\u0e22\u0e48\u0e32\u0e07 code \u0e2d\u0e31\u0e1e\u0e42\u0e2b\u0e25\u0e14\u0e44\u0e1f\u0e25\u0e4c\u0e08\u0e32\u0e01 2 Input \u0e14\u0e49\u0e27\u0e22 CodeIgniter \u0e15\u0e31\u0e27\u0e2d\u0e22\u0e48\u0e32\u0e07 Code \u0e2d\u0e31\u0e1e\u0e42\u0e2b\u0e25\u0e14\u0e44\u0e1f\u0e25\u0e4c\u0e08\u0e32\u0e01 2 Input \u0e14\u0e49\u0e27\u0e22 CodeIgniter, How to upload two images into two fields using CodeIgniter table products CREATE TABLE `products` ( `id` int(5) NOT NULL, `p_img1` varchar(255) DEFAULT NULL, `p_img2` varchar(255) DEFAULT NULL ) ENGINE=InnoDB DEFAULT CHARSET=utf8; 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