if (!is_string($C_char)) return false; //是否是字符串类型 if (empty($C_char)) return false; //是否已设定 if ($C_char=='') return false; //是否为空 return true; } // 函数名:CheckLengthBetween($C_char, $I_len1, $I_len2=100) // 作用:判断是否为指定长度内字符串 // 参数...
PHP empty() functionThe PHP empty() function used to check whether the string is empty or not.In PHP the empty() function return true if the variable has empty or zero value and it return false if string has non-empty or non-zero value....
{$check= 0;if(filter_var($url, FILTER_VALIDATE_URL) !==false) {$check= 1; }return$check; } 语法: <?php$url= "http://koonk.com";$check= checkvalidURL($url);echo$check;//if returns 1 then URL is valid.?> 6. 生成二维码 functionqr_code($data,$type= "TXT",$size='150',$...
//用户名if(empty($captcha)||empty($password)||empty($re_password)||empty($username)){thrownewHttpException(400,"必要参数不能为空");}// //校验验证码是否正确// if(!captcha_check($captcha)){// throw new HttpException(400,"验证码不正确");// };//校验两次密码书否输入一致if($password!
/*** 获取和设置配置参数 支持批量定义* @param string|array $name 配置变量* @param mixed $value 配置值* @param mixed $default 默认值* @return mixed*/function C($name = null, $value = null, $default = null){static $_config = array();// 无参数时获取所有if (empty($name)) {return...
* @param $privatekey string 私钥 * @param $data 业务参数json格式 * @return bool */privatefunctioncheckAuth($token,$timestamp,$version,$sign,$source,$privatekey,$data){//参数判断if(empty($token)){E('token不能为空!');}if(empty($timestamp)){E('时间戳不能为空!');}if(empty($versio...
1 class SafeNumber extends Container { 2 public function map(callable $f): SafeNumber { 3 if(!isset($this->_value) || is_nan($this->_value)) { 4 return static::of(); // empty container } 5 else { 6 return static::of(call_user_func($f, $this->_value)); 7 } 8 } 9 ...
(u_wide_int)){ui_num=(u_wide_int)((size_t)va_arg(ap,char*));s=ap_php_conv_p2(ui_num,4,'x',&num_buf[NUM_BUF_SIZE],&s_len);if(ui_num!=0){*--s='x';*--s='0';s_len+=2;}}else{s="%p";s_len=2;}pad_char=' ';break;case'n':*(va_arg(ap,int*))=is_...
if($field_empty == 1) //这里的PHP只是判断是否有输入 { echo "Please enter both fields..."; } else { echo ""; } ?> 防护代码 $field_empty = 0; function xss($data) { switch($_COOKIE["security_level"]) { case "0" : $data = no_check($data...
Description: Check the current connection status. Prototype $redis->ping([string $message]); Return value Mixed: This method returns TRUE on success, or the passed string if called with an argument. Example /* When called without an argument, PING returns `TRUE` */ $redis->ping(); /*...