{"id":338,"date":"2016-02-03T09:27:44","date_gmt":"2016-02-03T07:27:44","guid":{"rendered":"http:\/\/luismaseda.com\/wp\/?p=338"},"modified":"2016-02-09T13:39:10","modified_gmt":"2016-02-09T11:39:10","slug":"tratando-con-mysqli","status":"publish","type":"post","link":"https:\/\/luismaseda.com\/wp\/?p=338","title":{"rendered":"Contando registros con mysqli (mysqli_num_rows)"},"content":{"rendered":"

Los documentos de Inicio de webRepertorio4<\/span><\/p>\n

<\/div>\n
<\/span>Controlador<\/div>
<\/p>\n

$this->load->model(‘Torneos_model’);<\/span><\/strong><\/p>\n

\/\/preparando el c\u00e1lculo del n\u00famero de torneos en la base de datos mispartidas<\/span><\/p>\n

$numeroTorneos<\/span><\/strong> = $this->Torneos_model->dame_numero_torneos();<\/span><\/p>\n

\/\/preparando el c\u00e1lculo del n\u00famero de partidas en la base de datos mispartidas<\/span><\/p>\n

$numeroPartidas<\/span><\/strong> = $this->Torneos_model->dame_numero_partidas();<\/span><\/p>\n

\/\/recopilo en un array los datos de env\u00edo a la vista<\/span><\/p>\n

$datos = array(‘fecha_hoy’ => $fecha_hoy, ‘num_tor’ => $numeroTorneos, ‘num_par’ => $numeroPartidas);<\/span><\/strong><\/span><\/p>\n

\/\/cargo la vista pasando el array con los datos recopilados<\/span><\/p>\n

$this->load->view(‘inicio’, $datos);<\/span><\/strong><\/p>\n

<\/div><\/div>\n

<\/span>Modelo<\/div>
<\/p>\n

function dame_numero_torneos(){<\/span><\/strong><\/p>\n

\/\/ Conexi\u00f3n a la base de datos<\/span><\/p>\n

$mysqli = new mysqli(‘localhost’, ‘root’, \u00bb, ‘mispartidas’);<\/span><\/p>\n

if ($mysqli->connect_errno) {<\/span><\/p>\n

echo \u00abFall\u00f3 la conexi\u00f3n a MySQL: (\u00bb . $mysqli->connect_errno . \u00ab) \u00bb . $mysqli->connect_errno;<\/span><\/p>\n

}<\/span><\/p>\n

\/\/Consulta a la base de datos<\/span><\/p>\n

$resultado = $mysqli->query(\u00abSELECT * FROM torneos\u00bb);<\/span><\/p>\n

return mysqli_num_rows($resultado);<\/span><\/strong><\/p>\n

}<\/span><\/p>\n

function dame_numero_partidas(){<\/span><\/strong><\/span><\/p>\n

\/\/ Conexi\u00f3n a la base de datos<\/span><\/p>\n

$mysqli = new mysqli(‘localhost’, ‘root’, \u00bb, ‘mispartidas’);<\/span><\/p>\n

if ($mysqli->connect_errno) {<\/span><\/p>\n

echo \u00abFall\u00f3 la conexi\u00f3n a MySQL: (\u00bb . $mysqli->connect_errno . \u00ab) \u00bb . $mysqli->connect_errno;<\/span><\/p>\n

}<\/span><\/p>\n

\/\/Consulta a la base de datos<\/span><\/p>\n

$resultado2 = $mysqli->query(\u00abSELECT * FROM partidas\u00bb);<\/span><\/p>\n

return mysqli_num_rows($resultado2);<\/span><\/strong><\/span><\/p>\n

}<\/span><\/p>\n

<\/div><\/div>\n

<\/span>Vista<\/div>
<\/p>\n

echo \u00abEstos son los resultados <\/br >\u00bb;<\/span><\/strong><\/span>
\n echo $fecha_hoy . \u00bb <\/br >\u00bb;<\/span><\/strong><\/span>
\n echo $num_tor . \u00bb torneos<\/br >\u00bb;<\/span><\/strong><\/span>
\n echo $num_par . \u00bb partidas<\/br >\u00bb;<\/span><\/strong><\/span><\/p>\n

<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"

Los documentos de Inicio de webRepertorio4<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41,3],"tags":[26,29,28,11,30],"class_list":["post-338","post","type-post","status-publish","format-standard","hentry","category-codeigniter","category-desarrollo-web","tag-codeigniter","tag-controlador","tag-modelo","tag-mysql","tag-vista"],"_links":{"self":[{"href":"https:\/\/luismaseda.com\/wp\/index.php?rest_route=\/wp\/v2\/posts\/338","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/luismaseda.com\/wp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/luismaseda.com\/wp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/luismaseda.com\/wp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/luismaseda.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=338"}],"version-history":[{"count":28,"href":"https:\/\/luismaseda.com\/wp\/index.php?rest_route=\/wp\/v2\/posts\/338\/revisions"}],"predecessor-version":[{"id":417,"href":"https:\/\/luismaseda.com\/wp\/index.php?rest_route=\/wp\/v2\/posts\/338\/revisions\/417"}],"wp:attachment":[{"href":"https:\/\/luismaseda.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=338"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/luismaseda.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=338"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/luismaseda.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=338"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}