PHP function converts hexadecimal color code to RGB color value_PHP tutorial

php function converts hexadecimal color codes into RGB color values

Use php function to convert 16-prohibited color codes into RGB color values.

/** 
* function 16进制颜色转换为RGB色值
* author www.phpernote.com
*/ 
function hex2rgb($hexColor){
	$color=str_replace('#','',$hexColor);
	if (strlen($color)> 3){
		$rgb=array(
			'r'=>hexdec(substr($color,0,2)),
			'g'=>hexdec(substr($color,2,2)),
			'b'=>hexdec(substr($color,4,2))
		);
	}else{
		$color=str_replace('#','',$hexColor);
		$r=substr($color,0,1). substr($color,0,1);
		$g=substr($color,1,1). substr($color,1,1);
		$b=substr($color,2,1). substr($color,2,1);
		$rgb=array( 
			'r'=>hexdec($r),
			'g'=>hexdec($g),
			'b'=>hexdec($b)
		);
	}
	return $rgb;
}

For example:

print_r(hex2rgb('#F03'));
//输出：Array ( [r] => 255 [g] => 0 [b] => 51 )

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