WordPress开发手册:comment_exists()

函数原型

comment_exists( string $comment_author, string $comment_date, string $timezone = ‘blog’ ): string|null

函数描述

是否弃用

未弃用

函数参数

$comment_author
string
Required

Author of the comment.

$comment_date
string
Required

Date of the comment.

$timezone
string
Optional

Timezone. Accepts 'blog' or 'gmt'. Default 'blog'.

Default: 'blog'

函数返回值

函数位置

函数源码

function comment_exists( $comment_author, $comment_date, $timezone = 'blog' ) {
	global $wpdb;

	$date_field = 'comment_date';
	if ( 'gmt' === $timezone ) {
		$date_field = 'comment_date_gmt';
	}

	return $wpdb->get_var(
		$wpdb->prepare(
			"SELECT comment_post_ID FROM $wpdb->comments
			WHERE comment_author = %s AND $date_field = %s",
			stripslashes( $comment_author ),
			stripslashes( $comment_date )
		)
	);
}

源码链接

WordPress
Github

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