New function wfx_valid_hex_colour()

Helper function to validate hex colour value input.

functions.php

@@ -492,6 +492,23 @@
 } endif;
 
 
+/**
+ * Check if input is valid 6 character hexidecimal colour value (plus additional #)
+ * Output escaping example $bg_colour = strip_tags( stripslashes( $bg_colour ) );
+ *
+ * @since	2.2
+ * @version	2.2
+ *
+ * @param	[string] $input 		Text string including #
+ * @return	[bool]					true/false
+ */
+if ( !function_exists( 'wfx_valid_hex_colour' ) ) : function wfx_valid_hex_colour( $input ) {
+
+	global $wfx_data_manage; return $wfx_data_manage->valid_hex_colour( $input );
+
+} endif;
+
+
 /**
  * Check if input starts with a string
  *

wf-includes/wf-data-management.php

@@ -442,6 +442,23 @@ function wf_valid_url($input){
 	}
 
 
+	/**
+	 * Check if input is valid 6 character hexidecimal colour value (plus additional #)
+	 * Output escaping example $bg_colour = strip_tags( stripslashes( $bg_colour ) );
+	 *
+	 * @since	2.2
+	 * @version	2.2
+	 *
+	 * @param	[string] $input 		Text string including #
+	 * @return	[bool]					true/false
+	 */
+	function wf_valid_hex_colour($input){
+
+		return ( preg_match( '/^#[a-f0-9]{6}$/i', $input ) ) ? true : false;
+
+	}
+
+
 	/**
 	 * Check if input starts with a string
 	 *

wf-includes/wf-engine.php

@@ -131,6 +131,7 @@ function __construct(){ $this->wflux_data_manage_do = new wflux_data_manage; }
 	function allowed_tags(){ return $this->wflux_data_manage_do->wf_allowed_tags(); }
 	function strip_whitespace($input){ return $this->wflux_data_manage_do->wf_strip_whitespace($input); }
 	function valid_url($input){ return $this->wflux_data_manage_do->wf_valid_url($input); }
+	function valid_hex_colour($input){ return $this->wflux_data_manage_do->wf_valid_hex_colour($input); }
 	function starts_with($needle, $haystack){ return $this->wflux_data_manage_do->wf_starts_with($needle, $haystack); }
 	function ends_with($needle, $haystack){ return $this->wflux_data_manage_do->wf_ends_with($needle, $haystack); }
 }