<?php
/**
* Convert hex color to rgb
*
* @param string $hex
* @return string
*/
function HexToRGB( $hex )
{
$hex = ereg_replace( "#", "", $hex );
$color = array( );
if ( strlen( $hex ) == 3 )
{
$color[ 'r' ] = hexdec( substr( $hex, 0, 1 ) . $r );
$color[ 'g' ] = hexdec( substr( $hex, 1, 1 ) . $g );
$color[ 'b' ] = hexdec( substr( $hex, 2, 1 ) . $b );
}
else if ( strlen( $hex ) == 6 )
{
$color[ 'r' ] = hexdec( substr( $hex, 0, 2 ) );
$color[ 'g' ] = hexdec( substr( $hex, 2, 2 ) );
$color[ 'b' ] = hexdec( substr( $hex, 4, 2 ) );
}
return $color;
}
/**
* Convert RGB color to ex
* @param int $r
* @param int $g
* @param int $b
* @return string
*/
function RGBToHex( $r, $g, $b )
{
//String padding bug found and the solution put forth by Pete Williams (http://snipplr.com/users/PeteW)
$hex = "#";
$hex.= str_pad( dechex( $r ), 2, "0", STR_PAD_LEFT );
$hex.= str_pad( dechex( $g ), 2, "0", STR_PAD_LEFT );
$hex.= str_pad( dechex( $b ), 2, "0", STR_PAD_LEFT );
return $hex;
}
?>
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