Question

_list_meta_row( array $entry,  int $count )

Outputs a single row of public meta data in the Custom Fields meta box.

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description

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参数

$entry

(array) (Required)

$count

(int) (Required)

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返回值

(string)

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源代码

File: wp-admin/includes/template.php

function _list_meta_row( $entry, &$count ) {
	static $update_nonce = '';

	if ( is_protected_meta( $entry['meta_key'], 'post' ) )
		return '';

	if ( ! $update_nonce )
		$update_nonce = wp_create_nonce( 'add-meta' );

	$r = '';
	++ $count;

	if ( is_serialized( $entry['meta_value'] ) ) {
		if ( is_serialized_string( $entry['meta_value'] ) ) {
			// This is a serialized string, so we should display it.
			$entry['meta_value'] = maybe_unserialize( $entry['meta_value'] );
		} else {
			// This is a serialized array/object so we should NOT display it.
			--$count;
			return '';
		}
	}

	$entry['meta_key'] = esc_attr($entry['meta_key']);
	$entry['meta_value'] = esc_textarea( $entry['meta_value'] ); // using a <textarea />
	$entry['meta_id'] = (int) $entry['meta_id'];

	$delete_nonce = wp_create_nonce( 'delete-meta_' . $entry['meta_id'] );

	$r .= "\n\t<tr id='meta-{$entry['meta_id']}'>";
	$r .= "\n\t\t<td class='left'><label class='screen-reader-text' for='meta-{$entry['meta_id']}-key'>" . __( 'Key' ) . "</label><input name='meta[{$entry['meta_id']}][key]' id='meta-{$entry['meta_id']}-key' type='text' size='20' value='{$entry['meta_key']}' />";

	$r .= "\n\t\t<div class='submit'>";
	$r .= get_submit_button( __( 'Delete' ), 'deletemeta small', "deletemeta[{$entry['meta_id']}]", false, array( 'data-wp-lists' => "delete:the-list:meta-{$entry['meta_id']}::_ajax_nonce=$delete_nonce" ) );
	$r .= "\n\t\t";
	$r .= get_submit_button( __( 'Update' ), 'updatemeta small', "meta-{$entry['meta_id']}-submit", false, array( 'data-wp-lists' => "add:the-list:meta-{$entry['meta_id']}::_ajax_nonce-add-meta=$update_nonce" ) );
	$r .= "</div>";
	$r .= wp_nonce_field( 'change-meta', '_ajax_nonce', false, false );
	$r .= "</td>";

	$r .= "\n\t\t<td><label class='screen-reader-text' for='meta-{$entry['meta_id']}-value'>" . __( 'Value' ) . "</label><textarea name='meta[{$entry['meta_id']}][value]' id='meta-{$entry['meta_id']}-value' rows='2' cols='30'>{$entry['meta_value']}</textarea></td>\n\t</tr>";
	return $r;
}

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更新日志

Version	description
2.5.0	Introduced.

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相关函数

Uses

• wp-admin/includes/template.php: get_submit_button()
• wp-includes/l10n.php: __()
• wp-includes/formatting.php: esc_textarea()
• wp-includes/formatting.php: esc_attr()
• wp-includes/pluggable.php: wp_create_nonce()
• wp-includes/functions.php: wp_nonce_field()
• wp-includes/functions.php: is_serialized()
• wp-includes/functions.php: is_serialized_string()
• wp-includes/functions.php: maybe_unserialize()
• wp-includes/meta.php: is_protected_meta()
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Used By

• wp-admin/includes/template.php: list_meta()
• wp-admin/includes/ajax-actions.php: wp_ajax_add_meta()

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User Contributed Notes