选择语言 :

Core_Valid::color

Checks if a string is a proper hexadecimal HTML color value. The validation is quite flexible as it does not require an initial "#" and also allows for the short notation using only three instead of six hexadecimal characters.

boolean Core_Valid::color( string $str )

参数列表

参数类型描述默认值

$str string Input string

参数	类型	描述	默认值
`$str`	`string`	Input string

返回值

boolean

File: ./core/classes/valid.class.php

public static function color($str)
{
    return (bool)preg_match('/^#?+[0-9a-f]{3}(?:[0-9a-f]{3})?$/iD', $str);
}