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sanitize_hex_color › WordPress Function

Since3.4.0
已弃用n/a
› sanitize_hex_color ( $color )
参数:
  • (string) $color
    Required: Yes
返回:
  • (string|void)
定义在:
文档:

Sanitizes a hex color.

Returns either '', a 3 or 6 digit hex color (with #), or nothing. For sanitizing values without a #, see sanitize_hex_color_no_hash().


Related Functions: sanitize_hex_color_no_hash, sanitize_user, sanitize_term, sanitize_text_field, sanitize_html_class

源码 

function sanitize_hex_color( $color ) {
	if ( '' === $color ) {
		return '';
	}

	// 3 or 6 hex digits, or the empty string.
	if ( preg_match( '|^#([A-Fa-f0-9]{3}){1,2}$|', $color ) ) {
		return $color;
	}
}