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wp_kses_bad_protocol › WordPress Function
Since1.0.0
已弃用n/a
› wp_kses_bad_protocol ( $content, $allowed_protocols )
参数: (2) |
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定义在: |
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Sanitizes a string and removed disallowed URL protocols.
This function removes all non-allowed protocols from the beginning of the string. It ignores whitespace and the case of the letters, and it does understand HTML entities. It does its work recursively, so it won't be fooled by a string likejavascript:javascript:alert(57)
.Related Functions: wp_kses_bad_protocol_once, wp_allowed_protocols, wp_kses_post, wp_get_server_protocol, wp_kses_allowed_html
源码
function wp_kses_bad_protocol( $content, $allowed_protocols ) { $content = wp_kses_no_null( $content ); // Short-circuit if the string starts with `https://` or `http://`. Most common cases. if ( ( str_starts_with( $content, 'https://' ) && in_array( 'https', $allowed_protocols, true ) ) || ( str_starts_with( $content, 'http://' ) && in_array( 'http', $allowed_protocols, true ) ) ) { return $content; } $iterations = 0; do { $original_content = $content; $content = wp_kses_bad_protocol_once( $content, $allowed_protocols ); } while ( $original_content !== $content && ++$iterations < 6 ); if ( $original_content !== $content ) { return ''; } return $content; }