Question

wp_referer_field( bool $echo = true )

Retrieve or display referer hidden field for forms.

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description

The referer link is the current Request URI from the server super global. The input name is ‘_wp_http_referer’, in case you wanted to check manually.

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参数

$echo

(bool) (Optional) Whether to echo or return the referer field.

Default value: true

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返回值

(string) Referer field HTML markup.

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源代码

File: wp-includes/functions.php

function wp_referer_field( $echo = true ) {
	$referer_field = '<input type="hidden" name="_wp_http_referer" value="'. esc_attr( wp_unslash( $_SERVER['REQUEST_URI'] ) ) . '" />';

	if ( $echo )
		echo $referer_field;
	return $referer_field;
}

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更新日志

Version	description
2.0.4	Introduced.

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相关函数

Uses

• wp-includes/formatting.php: wp_unslash()
• wp-includes/formatting.php: esc_attr()

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Used By

• wp-admin/includes/class-wp-plugin-install-list-table.php: WP_Plugin_Install_List_Table::display_tablenav()
• wp-includes/functions.php: wp_nonce_field()

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User Contributed Notes