wp_kses_bad_protocol_once

函数



      wp_kses_bad_protocol_once ( $string, $allowed_protocols, $count = 1 )

参数

(string)
$string
Content to check for bad protocols.

Required: 是
(string[])
$allowed_protocols
Array of allowed URL protocols.

Required: 是
(int)
$count
Depth of call recursion to this function.

Required: 否

Default: 1

返回值

(string) Sanitized content.

定义位置

wp-includes/kses.php
, line 1795

引入: 1.0.0

弃用: –

Sanitizes content from bad protocols and other characters.

This function searches for URL protocols at the beginning of the string, while
handling whitespace and HTML entities.

function wp_kses_bad_protocol_once( $string, $allowed_protocols, $count = 1 ) {
	$string  = preg_replace( '/(*58(?![;0-9])|*3a(?![;a-f0-9]))/i', '$1;', $string );
	$string2 = preg_split( '/:|*58;|*3a;|&colon;/i', $string, 2 );
	if ( isset( $string2[1] ) && ! preg_match( '%/?%', $string2[0] ) ) {
		$string   = trim( $string2[1] );
		$protocol = wp_kses_bad_protocol_once2( $string2[0], $allowed_protocols );
		if ( 'feed:' === $protocol ) {
			if ( $count > 2 ) {
				return '';
			}
			$string = wp_kses_bad_protocol_once( $string, $allowed_protocols, ++$count );
			if ( empty( $string ) ) {
				return $string;
			}
		}
		$string = $protocol . $string;
	}

	return $string;
}

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