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Hex2Rgbp Custom Output Modifier Snippet
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<?php | |
# hex2rgba | |
# converts hex value from ColorPicker TV to rgba value | |
# NOTE that the ColorPicker TV must use the default output option | |
# based on function from http://mekshq.com/how-to-convert-hexadecimal-color-code-to-rgb-or-rgba-using-php/ | |
if (!function_exists('hex2rgba')) { | |
function hex2rgba($color, $opacity = false) { | |
$default = 'rgb(0,0,0)'; | |
//Return default if no color provided | |
if(empty($color)) | |
return $default; | |
//Sanitize $color if "#" is provided | |
if ($color[0] == '#' ) { | |
$color = substr( $color, 1 ); | |
} | |
//Check if color has 6 or 3 characters and get values | |
if (strlen($color) == 6) { | |
$hex = array( $color[0] . $color[1], $color[2] . $color[3], $color[4] . $color[5] ); | |
} elseif ( strlen( $color ) == 3 ) { | |
$hex = array( $color[0] . $color[0], $color[1] . $color[1], $color[2] . $color[2] ); | |
} else { | |
return $default; | |
} | |
//Convert hexadec to rgb | |
$rgb = array_map('hexdec', $hex); | |
//Check if opacity is set(rgba or rgb) | |
if($opacity){ | |
if(abs($opacity) > 1) | |
$opacity = 1.0; | |
$output = 'rgba('.implode(",",$rgb).','.$opacity.')'; | |
} else { | |
$output = 'rgb('.implode(",",$rgb).')'; | |
} | |
//Return rgb(a) color string | |
return $output; | |
} | |
} | |
// get values from output modifier | |
$color = $input; | |
if ( true === isset($options) ) { | |
$opacity = $options; | |
} else { | |
$opacity = "0.0"; | |
} | |
// run function | |
$rgba = hex2rgba($color, $opacity); | |
return $rgba; |
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