sanitize_hex_color( string $color )

Sanitizes a hex color.

Description

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

Parameters

$color: (string) (Required)

Return

(string|void)

Source

File: wp-includes/formatting.php

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;
	}
}

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Changelog

Changelog
Version	Description
WP-3.4.0	Introduced.