📄 color.php
字号:
<?phprequire_once 'HTMLPurifier/AttrDef.php';require_once 'HTMLPurifier/AttrDef/CSS/Color.php'; // for %Core.ColorKeywords/** * Validates a color according to the HTML spec. */class HTMLPurifier_AttrDef_HTML_Color extends HTMLPurifier_AttrDef{ function validate($string, $config, &$context) { static $colors = null; if ($colors === null) $colors = $config->get('Core', 'ColorKeywords'); $string = trim($string); if (empty($string)) return false; if (isset($colors[$string])) return $colors[$string]; if ($string[0] === '#') $hex = substr($string, 1); else $hex = $string; $length = strlen($hex); if ($length !== 3 && $length !== 6) return false; if (!ctype_xdigit($hex)) return false; if ($length === 3) $hex = $hex[0].$hex[0].$hex[1].$hex[1].$hex[2].$hex[2]; return "#$hex"; } }
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -