php字符串类 · php常用实例

获取中间的字符串 UTF8字符串截取函数 //随机出来的名字 ```php <?php class String { /**********************随机生成姓名开始*************************************/ //姓，姓总数 private $arrXing,$numbXing; //名，名总数 private $arrMing,$numbMing; function rndChinaName() { $this->getXingList(); $this->getMingList(); } /**********************随机生成姓名结束*************************************/ /* 获取中间的字符串 $str字符串 $start开始 $end 结束 */ public function takein($str,$start = "【",$end = "") { if (strstr($str, $start) && strstr($str, $end)) { $t1 = mb_strpos($str,$start)+3; $t2 = mb_strpos($str,$end); $s = mb_substr($str,$t1,$t2-$t1); // if(strstr($s, ':')){ // $t3 = mb_strpos($s,':')+1; // $s = mb_substr($s,$t3); // } // if(strstr($s, '(')){ // $t4 = mb_strpos($s,'('); // $s = mb_substr($s,0,$t4); // } } else { $s = $str; } echo $s; } /* 判断中文名称 $user_name名字 */ public function checkSurname($user_name) { $array = array('赵', '钱', '孙', '李', '周', '吴', '郑', '王', '冯', '陈', '楮', '卫', '蒋', '沈', '韩', '杨', '朱', '秦', '尤', '许', '何', '吕', '施', '张', '孔', '曹', '严', '华', '金', '魏', '陶', '姜', '戚', '谢', '邹', '喻', '柏', '水', '窦', '章', '云', '苏', '潘', '葛', '奚', '范', '彭', '郎', '鲁', '韦', '昌', '马', '苗', '凤', '花', '方', '俞', '任', '袁', '柳', '酆', '鲍', '史', '唐', '费', '廉', '岑', '薛', '雷', '贺', '倪', '汤', '滕', '殷', '罗', '毕', '郝', '邬', '安', '常', '乐', '于', '时', '傅', '皮', '卞', '齐', '康', '伍', '余', '元', '卜', '顾', '孟', '平', '黄', '和', '穆', '萧', '尹', '姚', '邵', '湛', '汪', '祁', '毛', '禹', '狄', '米', '贝', '明', '臧', '计', '伏', '成', '戴', '谈', '宋', '茅', '庞', '熊', '纪', '舒', '屈', '项', '祝', '董', '梁', '杜', '阮', '蓝', '闽', '席', '季', '麻', '强', '贾', '路', '娄', '危', '江', '童', '颜', '郭', '梅', '盛', '林', '刁', '锺', '徐', '丘', '骆', '高', '夏', '蔡', '田', '樊', '胡', '凌', '霍', '虞', '万', '支', '柯', '昝', '管', '卢', '莫', '经', '房', '裘', '缪', '干', '解', '应', '宗', '丁', '宣', '贲', '邓', '郁', '单', '杭', '洪', '包', '诸', '左', '石', '崔', '吉', '钮', '龚', '程', '嵇', '邢', '滑', '裴', '陆', '荣', '翁', '荀', '羊', '於', '惠', '甄', '麹', '家', '封', '芮', '羿', '储', '靳', '汲', '邴', '糜', '松', '井', '段', '富', '巫', '乌', '焦', '巴', '弓', '牧', '隗', '山', '谷', '车', '侯', '宓', '蓬', '全', '郗', '班', '仰', '秋', '仲', '伊', '宫', '宁', '仇', '栾', '暴', '甘', '斜', '厉', '戎', '祖', '武', '符', '刘', '景', '詹', '束', '龙', '叶', '幸', '司', '韶', '郜', '黎', '蓟', '薄', '印', '宿', '白', '怀', '蒲', '邰', '从', '鄂', '索', '咸', '籍', '赖', '卓', '蔺', '屠', '蒙', '池', '乔', '阴', '郁', '胥', '能', '苍', '双', '闻', '莘', '党', '翟', '谭', '贡', '劳', '逄', '姬', '申', '扶', '堵', '冉', '宰', '郦', '雍', '郤', '璩', '桑', '桂', '濮', '牛', '寿', '通', '边', '扈', '燕', '冀', '郏', '浦', '尚', '农', '温', '别', '庄', '晏', '柴', '瞿', '阎', '充', '慕', '连', '茹', '习', '宦', '艾', '鱼', '容', '向', '古', '易', '慎', '戈', '廖', '庾', '终', '暨', '居', '衡', '步', '都', '耿', '满', '弘', '匡', '国', '文', '寇', '广', '禄', '阙', '东', '欧', '殳', '沃', '利', '蔚', '越', '夔', '隆', '师', '巩', '厍', '聂', '晁', '勾', '敖', '融', '冷', '訾', '辛', '阚', '那', '简', '饶', '空', '曾', '毋', '沙', '乜', '养', '鞠', '须', '丰', '巢', '关', '蒯', '相', '查', '后', '荆', '红', '游', '竺', '权', '逑', '盖', '益', '桓', '公', '仉', '督', '晋', '楚', '阎', '法', '汝', '鄢', '涂', '钦', '岳', '帅', '缑', '亢', '况', '后', '有', '琴', '归', '海', '墨', '哈', '谯', '笪', '年', '爱', '阳', '佟', '商', '牟', '佘', '佴', '伯', '赏' ); $double_array = array("万俟", "司马", "上官", "欧阳", "夏侯", "诸葛", "闻人", "东方", "赫连", "皇甫", "尉迟", "公羊", "澹台", "公冶", "宗政", "濮阳", "淳于", "单于", "太叔", "申屠", "公孙", "仲孙", "轩辕", "令狐", "锺离", "宇文", "长孙", "慕容", "鲜于", "闾丘", "司徒", "司空", "丌官", "司寇", "子车", "微生", "颛孙", "端木", "巫马", "公西", "漆雕", "乐正", "壤驷", "公良", "拓拔", "夹谷", "宰父", "谷梁", "段干", "百里", "东郭", "南门", "呼延", "羊舌", "梁丘", "左丘", "东门", "西门", "南宫" ); $first_name = utf8sub($user_name, 1); $double_name = utf8sub($user_name, 2); if (in_array($first_name,$array) || in_array($double_name, $double_array)) { return TRUE; } else { return FALSE; } } /** * UTF8字符串截取函数 * @param type $str 字符串 * @param type $len 长度 * @param type $offset 开始位置 * @return string */ public function utf8sub($str,$len,$offset = 0) { if ($len < 0) { return ''; } $res = ''; // $offset = 0; $chars = 0; $count = 0; $length = strlen($str); //待截取字符串的字节数 while ($chars < $len && $offset < $length) { $high = decbin(ord(substr($str,$offset,1))); //先截取客串的一个字节，substr按字节进行截取 //重要突破，已经能够判断高位字节 if (strlen($high) < 8) { //英文字符ascii编码长度为7，通过长度小于8来判断 $count = 1; // echo 'hello,I am in','<br>'; } elseif (substr($high,0,3) == '110') { $count = 2; //取两个字节的长度 } elseif (substr($high,0,4) == '1110') { $count = 3; //取三个字节的长度 } elseif (substr($high,0,5) == '11110') { $count = 4; } elseif (substr($high,0,6) == '111110') { $count = 5; } elseif (substr($high,0,7) == '1111110') { $count = 6; } $res .= substr($str,$offset,$count); $chars += 1; $offset += $count; } return $res; } /**********************随机生成姓名开始*************************************/ /* 获取姓列表 */ private function getXingList() { $this->arrXing=array('赵','钱','孙','李','周','吴','郑','王','冯','陈','褚','卫','蒋','沈','韩','杨','朱','秦','尤','许','何','吕','施','张','孔','曹','严','华','金','魏','陶','姜','戚','谢','邹','喻','柏','水','窦','章','云','苏','潘','葛','奚','范','彭','郎','鲁','韦','昌','马','苗','凤','花','方','任','袁','柳','鲍','史','唐','费','薛','雷','贺','倪','汤','滕','殷','罗','毕','郝','安','常','傅','卞','齐','元','顾','孟','平','黄','穆','萧','尹','姚','邵','湛','汪','祁','毛','狄','米','伏','成','戴','谈','宋','茅','庞','熊','纪','舒','屈','项','祝','董','梁','杜','阮','蓝','闵','季','贾','路','娄','江','童','颜','郭','梅','盛','林','钟','徐','邱','骆','高','夏','蔡','田','樊','胡','凌','霍','虞','万','支','柯','管','卢','莫','柯','房','裘','缪','解','应','宗','丁','宣','邓','单','杭','洪','包','诸','左','石','崔','吉','龚','程','嵇','邢','裴','陆','荣','翁','荀','于','惠','甄','曲','封','储','仲','伊','宁','仇','甘','武','符','刘','景','詹','龙','叶','幸','司','黎','溥','印','怀','蒲','邰','从','索','赖','卓','屠','池','乔','胥','闻','莘','党','翟','谭','贡','劳','逄','姬','申','扶','堵','冉','宰','雍','桑','寿','通','燕','浦','尚','农','温','别','庄','晏','柴','瞿','阎','连','习','容','向','古','易','廖','庾','终','步','都','耿','满','弘','匡','国','文','寇','广','禄','阙','东','欧','利','师','巩','聂','关','荆','司马','上官','欧阳','夏侯','诸葛','闻人','东方','赫连','皇甫','尉迟','公羊','澹台','公冶','宗政','濮阳','淳于','单于','太叔','申屠','公孙','仲孙','轩辕','令狐','徐离','宇文','长孙','慕容','司徒','司空'); $this->numbXing = count($this->arrXing); //姓总数 } /* 获取名列表 */ private function getMingList() { $this->arrMing=array('伟','刚','勇','毅','俊','峰','强','军','平','保','东','文','辉','力','明','永','健','世','广','志','义','兴','良','海','山','仁','波','宁','贵','福','生','龙','元','全','国','胜','学','祥','才','发','武','新','利','清','飞','彬','富','顺','信','子','杰','涛','昌','成','康','星','光','天','达','安','岩','中','茂','进','林','有','坚','和','彪','博','诚','先','敬','震','振','壮','会','思','群','豪','心','邦','承','乐','绍','功','松','善','厚','庆','磊','民','友','裕','河','哲','江','超','浩','亮','政','谦','亨','奇','固','之','轮','翰','朗','伯','宏','言','若','鸣','朋','斌','梁','栋','维','启','克','伦','翔','旭','鹏','泽','晨','辰','士','以','建','家','致','树','炎','德','行','时','泰','盛','雄','琛','钧','冠','策','腾','楠','榕','风','航','弘','秀','娟','英','华','慧','巧','美','娜','静','淑','惠','珠','翠','雅','芝','玉','萍','红','娥','玲','芬','芳','燕','彩','春','菊','兰','凤','洁','梅','琳','素','云','莲','真','环','雪','荣','爱','妹','霞','香','月','莺','媛','艳','瑞','凡','佳','嘉','琼','勤','珍','贞','莉','桂','娣','叶','璧','璐','娅','琦','晶','妍','茜','秋','珊','莎','锦','黛','青','倩','婷','姣','婉','娴','瑾','颖','露','瑶','怡','婵','雁','蓓','纨','仪','荷','丹','蓉','眉','君','琴','蕊','薇','菁','梦','岚','苑','婕','馨','瑗','琰','韵','融','园','艺','咏','卿','聪','澜','纯','毓','悦','昭','冰','爽','琬','茗','羽','希','欣','飘','育','滢','馥','筠','柔','竹','霭','凝','晓','欢','霄','枫','芸','菲','寒','伊','亚','宜','可','姬','舒','影','荔','枝','丽','阳','妮','宝','贝','初','程','梵','罡','恒','鸿','桦','骅','剑','娇','纪','宽','苛','灵','玛','媚','琪','晴','容','睿','烁','堂','唯','威','韦','雯','苇','萱','阅','彦','宇','雨','洋','忠','宗','曼','紫','逸','贤','蝶','菡','绿','蓝','儿','翠','烟'); $this->numbMing = count($this->arrMing); //名总数 } private function getXing() { return $this->arrXing [mt_rand(0,$this->numbXing)]; } private function getMing() { return $this->arrMing [mt_rand(0,$this->numbMing)]; } //随机出来的名字 public function getName($type=0) { $name = '' ; switch($type) { case 1: //2字 $name = $this->getXing().$this->getMing(); break; case 2: //随机2、3个字 $name = $this->getXing().$this->getMing(); if(mt_rand (0,100)>50)$name .= $this->getMing(); break; case 3: //只取姓 $name = $this->getXing(); break; case 4: //只取名 $name = $this->getMing(); break; case 0: default: //默认情况 1姓+2名 $name = $this->getXing().$this->getMing().$this->getMing(); } return $name; } /**********************随机生成姓名结束*************************************/ } ```