Created
November 21, 2015 10:36
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WP Metaboxes
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<?php | |
// https://generatewp.com/the-meta-box-generator/ | |
class Car_Price_Meta_Box { | |
public function __construct() { | |
if ( is_admin() ) { | |
add_action( 'load-post.php', array( $this, 'init_metabox' ) ); | |
add_action( 'load-post-new.php', array( $this, 'init_metabox' ) ); | |
} | |
} | |
public function init_metabox() { | |
add_action( 'add_meta_boxes', array( $this, 'add_metabox' ) ); | |
add_action( 'save_post', array( $this, 'save_metabox' ), 10, 2 ); | |
} | |
public function add_metabox() { | |
add_meta_box( | |
'car_price', | |
__( 'Car Price', 'text_domain' ), | |
array( $this, 'render_metabox' ), | |
'car', | |
'advanced', | |
'default' | |
); | |
} | |
public function render_metabox( $post ) { | |
// Add nonce for security and authentication. | |
wp_nonce_field( 'car_nonce_action', 'car_nonce' ); | |
// Retrieve an existing value from the database. | |
$car_price = get_post_meta( $post->ID, 'car_price', true ); | |
$car_currency = get_post_meta( $post->ID, 'car_currency', true ); | |
// Set default values. | |
if( empty( $car_price ) ) $car_price = ''; | |
if( empty( $car_currency ) ) $car_currency = ''; | |
// Form fields. | |
echo '<table class="form-table">'; | |
echo ' <tr>'; | |
echo ' <th><label for="car_price" class="car_price_label">' . __( 'Price', 'text_domain' ) . '</label></th>'; | |
echo ' <td>'; | |
echo ' <input type="number" id="car_price" name="car_price" class="car_price_field" placeholder="' . esc_attr__( '', 'text_domain' ) . '" value="' . esc_attr__( $car_price ) . '">'; | |
echo ' <p class="description">' . __( 'Price', 'text_domain' ) . '</p>'; | |
echo ' </td>'; | |
echo ' </tr>'; | |
echo ' <tr>'; | |
echo ' <th><label for="car_currency" class="car_currency_label">' . __( 'Currency', 'text_domain' ) . '</label></th>'; | |
echo ' <td>'; | |
echo ' <select id="car_currency" name="car_currency" class="car_currency_field">'; | |
echo ' <option value="car_USD" ' . selected( $car_currency, 'car_USD', false ) . '> ' . __( 'USD', 'text_domain' ); | |
echo ' <option value="car_EUR" ' . selected( $car_currency, 'car_EUR', false ) . '> ' . __( 'Euro', 'text_domain' ); | |
echo ' <option value="car_GBP" ' . selected( $car_currency, 'car_GBP', false ) . '> ' . __( 'GB Pound', 'text_domain' ); | |
echo ' <option value="car_JPY" ' . selected( $car_currency, 'car_JPY', false ) . '> ' . __( 'Japanese Yen', 'text_domain' ); | |
echo ' <option value="car_CNY" ' . selected( $car_currency, 'car_CNY', false ) . '> ' . __( 'Chinese Yuan', 'text_domain' ); | |
echo ' </select>'; | |
echo ' </td>'; | |
echo ' </tr>'; | |
echo '</table>'; | |
} | |
public function save_metabox( $post_id, $post ) { | |
// Add nonce for security and authentication. | |
$nonce_name = $_POST['car_nonce']; | |
$nonce_action = 'car_nonce_action'; | |
// Check if a nonce is set. | |
if ( ! isset( $nonce_name ) ) | |
return; | |
// Check if a nonce is valid. | |
if ( ! wp_verify_nonce( $nonce_name, $nonce_action ) ) | |
return; | |
// Check if the user has permissions to save data. | |
if ( ! current_user_can( 'edit_post', $post_id ) ) | |
return; | |
// Check if it's not an autosave. | |
if ( wp_is_post_autosave( $post_id ) ) | |
return; | |
// Check if it's not a revision. | |
if ( wp_is_post_revision( $post_id ) ) | |
return; | |
// Sanitize user input. | |
$car_new_price = isset( $_POST[ 'car_price' ] ) ? sanitize_text_field( $_POST[ 'car_price' ] ) : ''; | |
$car_new_currency = isset( $_POST[ 'car_currency' ] ) ? $_POST[ 'car_currency' ] : ''; | |
// Update the meta field in the database. | |
update_post_meta( $post_id, 'car_price', $car_new_price ); | |
update_post_meta( $post_id, 'car_currency', $car_new_currency ); | |
} | |
} | |
new Car_Price_Meta_Box; | |
class Car_Seller_Meta_Box { | |
public function __construct() { | |
if ( is_admin() ) { | |
add_action( 'load-post.php', array( $this, 'init_metabox' ) ); | |
add_action( 'load-post-new.php', array( $this, 'init_metabox' ) ); | |
} | |
} | |
public function init_metabox() { | |
add_action( 'add_meta_boxes', array( $this, 'add_metabox' ) ); | |
add_action( 'save_post', array( $this, 'save_metabox' ), 10, 2 ); | |
} | |
public function add_metabox() { | |
add_meta_box( | |
'car_seller', | |
__( 'Seller Inforormation', 'text_domain' ), | |
array( $this, 'render_metabox' ), | |
'car', | |
'advanced', | |
'default' | |
); | |
} | |
public function render_metabox( $post ) { | |
// Add nonce for security and authentication. | |
wp_nonce_field( 'car_nonce_action', 'car_nonce' ); | |
// Retrieve an existing value from the database. | |
$car_name = get_post_meta( $post->ID, 'car_name', true ); | |
$car_phone = get_post_meta( $post->ID, 'car_phone', true ); | |
$car_address = get_post_meta( $post->ID, 'car_address', true ); | |
$car_private = get_post_meta( $post->ID, 'car_private', true ); | |
// Set default values. | |
if( empty( $car_name ) ) $car_name = ''; | |
if( empty( $car_phone ) ) $car_phone = ''; | |
if( empty( $car_address ) ) $car_address = ''; | |
if( empty( $car_private ) ) $car_private = ''; | |
// Form fields. | |
echo '<table class="form-table">'; | |
echo ' <tr>'; | |
echo ' <th><label for="car_name" class="car_name_label">' . __( 'Name', 'text_domain' ) . '</label></th>'; | |
echo ' <td>'; | |
echo ' <input type="text" id="car_name" name="car_name" class="car_name_field" placeholder="' . esc_attr__( '', 'text_domain' ) . '" value="' . esc_attr__( $car_name ) . '">'; | |
echo ' <p class="description">' . __( 'Seller full name.', 'text_domain' ) . '</p>'; | |
echo ' </td>'; | |
echo ' </tr>'; | |
echo ' <tr>'; | |
echo ' <th><label for="car_phone" class="car_phone_label">' . __( 'Phone', 'text_domain' ) . '</label></th>'; | |
echo ' <td>'; | |
echo ' <input type="text" id="car_phone" name="car_phone" class="car_phone_field" placeholder="' . esc_attr__( '', 'text_domain' ) . '" value="' . esc_attr__( $car_phone ) . '">'; | |
echo ' <p class="description">' . __( 'Phone number.', 'text_domain' ) . '</p>'; | |
echo ' </td>'; | |
echo ' </tr>'; | |
echo ' <tr>'; | |
echo ' <th><label for="car_address" class="car_address_label">' . __( 'Address', 'text_domain' ) . '</label></th>'; | |
echo ' <td>'; | |
echo ' <input type="text" id="car_address" name="car_address" class="car_address_field" placeholder="' . esc_attr__( '', 'text_domain' ) . '" value="' . esc_attr__( $car_address ) . '">'; | |
echo ' <p class="description">' . __( 'Seller address.', 'text_domain' ) . '</p>'; | |
echo ' </td>'; | |
echo ' </tr>'; | |
echo ' <tr>'; | |
echo ' <th><label for="car_private" class="car_private_label">' . __( 'Private or Dealer', 'text_domain' ) . '</label></th>'; | |
echo ' <td>'; | |
echo ' <select id="car_private" name="car_private" class="car_private_field">'; | |
echo ' <option value="car_private" ' . selected( $car_private, 'car_private', false ) . '> ' . __( 'Private', 'text_domain' ); | |
echo ' <option value="car_dealer" ' . selected( $car_private, 'car_dealer', false ) . '> ' . __( 'Dealer', 'text_domain' ); | |
echo ' </select>'; | |
echo ' <p class="description">' . __( 'Private seller or a dealer.', 'text_domain' ) . '</p>'; | |
echo ' </td>'; | |
echo ' </tr>'; | |
echo '</table>'; | |
} | |
public function save_metabox( $post_id, $post ) { | |
// Add nonce for security and authentication. | |
$nonce_name = $_POST['car_nonce']; | |
$nonce_action = 'car_nonce_action'; | |
// Check if a nonce is set. | |
if ( ! isset( $nonce_name ) ) | |
return; | |
// Check if a nonce is valid. | |
if ( ! wp_verify_nonce( $nonce_name, $nonce_action ) ) | |
return; | |
// Check if the user has permissions to save data. | |
if ( ! current_user_can( 'edit_post', $post_id ) ) | |
return; | |
// Check if it's not an autosave. | |
if ( wp_is_post_autosave( $post_id ) ) | |
return; | |
// Check if it's not a revision. | |
if ( wp_is_post_revision( $post_id ) ) | |
return; | |
// Sanitize user input. | |
$car_new_name = isset( $_POST[ 'car_name' ] ) ? sanitize_text_field( $_POST[ 'car_name' ] ) : ''; | |
$car_new_phone = isset( $_POST[ 'car_phone' ] ) ? sanitize_text_field( $_POST[ 'car_phone' ] ) : ''; | |
$car_new_address = isset( $_POST[ 'car_address' ] ) ? sanitize_text_field( $_POST[ 'car_address' ] ) : ''; | |
$car_new_private = isset( $_POST[ 'car_private' ] ) ? $_POST[ 'car_private' ] : ''; | |
// Update the meta field in the database. | |
update_post_meta( $post_id, 'car_name', $car_new_name ); | |
update_post_meta( $post_id, 'car_phone', $car_new_phone ); | |
update_post_meta( $post_id, 'car_address', $car_new_address ); | |
update_post_meta( $post_id, 'car_private', $car_new_private ); | |
} | |
} | |
new Car_Seller_Meta_Box; |
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