How to disable warning, notice messages in WordPress

Change wp-config.php file code like below.

define(‘WP_DEBUG’, false);

to

ini_set(‘display_errors’,’Off’);
ini_set(‘error_reporting’, E_ALL );
define(‘WP_DEBUG’, false);
define(‘WP_DEBUG_DISPLAY’, false);

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MailChimp integration with PHP CURL API

$memberHash = md5($email);
$api_key = ‘XXXXXXXXXXXXXX-us19’;  //API KEY
$server = ‘us19.’;
$list_id = “XXXXXXX”; // LIST ID
$auth = base64_encode( ‘user:’.$api_key );
$data = array(
‘apikey’ => $api_key,
’email_address’ => $email,
‘status’ => ‘subscribed’,
‘merge_fields’ => array(
‘NAME’ => $name,
),
);
$json_data = json_encode($data);
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, ‘https://\’.$server.’api.mailchimp.com/3.0/lists/’.$list_id.’/members/’.$memberHash);
curl_setopt($ch, CURLOPT_HTTPHEADER, array(‘Content-Type: application/json’,
‘Authorization: Basic ‘.$auth));
curl_setopt($ch, CURLOPT_USERAGENT, ‘PHP-MCAPI/2.0’);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_TIMEOUT, 10);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, “PUT”);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_POSTFIELDS, $json_data);
$result = curl_exec($ch);
$result_obj = json_decode($result);
echo $result_obj->status;

WordPress custom fields for custom post type

/*Show data fields in metabox*/
add_action( ‘admin_init’, ‘my_admin_meta_data’ );
function my_admin_meta_data() {
add_meta_box( ‘custom_meta_box’,
‘Price Information’,
‘display_price_meta_box’,
‘custom-post’, ‘normal’, ‘high’
);
}

function display_price_meta_box($post_data){
$price = esc_html( get_post_meta( $post_data->ID, ‘price’, true ) );
?>

<?php
}

/*Save custom post data*/
add_action( ‘save_post’, ‘save_data_function’, 10, 2 );

function add_property_fields($post_id, $post_data){
if ( $post_data->post_type == ‘custom-post’ ) {
if ( isset( $_POST[‘price’] ) && $_POST[‘price’] != ” ) {
update_post_meta( $post_id, ‘price’, $_POST[‘price’] );
}
}
}
?>