php_笔记记录

php将数组中的key值作为变量

方法一 extract()函数$array = array('a1' => 'a','b1' => 'b','c1' => 'c');extract($array);echo $a1;方法二$array = array('a1' => 'a','b1' => 'b','c1' => 'c');foreach($array as $key=>$val){$$key = $val;}echo $a1;

于 2024-04-28 发布浏览量68

php获取微妙时间microtime()函数

获取微妙时间microtime()函数function microtime_float(){list($usec, $sec) = explode(" ", microtime());return ((float)$usec + (float)$sec);}echo microtime_float();

于 2024-04-28 发布浏览量62

php处理手机号**

方法一/** * $tel 手机号 * $q 开始截取的位置 * $com 截取个数 */function Tel_sub($tel='15624882655',$q=3,$com=4){$xxx = '';for($i=0; $i < $com ;$i++){$xxx .= '*';}return str_replace(substr($tel,$q,$com),$xxx,$tel);}echo Tel_sub();方法二/** * $tel 手机号 * $q 开始截取的位置 * $p

于 2024-04-28 发布浏览量65

php生成随机字符串

方法一数组格式function RandStr($len=6){$chars = array("a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k","l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v","w", "x", "y", "z", "A", "B", "C", "D", "E", "F", "G","H", "I", "J", "K", "L", "M", "N", "O", "P",

于 2024-04-28 发布浏览量78

php二维数组重新排序

方法一//二维数组获取其中的一个字段重组一维数组，根据一维数组排序重组二维数组$para_list = array(0=>array('id'=>'31','paraid'=>'163','info'=>'北京海淀','lang'=>'cn','order'=>'3'),1=>array('id'=>'32','paraid'=>'161','info'=>'北京','lang'=>'cn','order'=>'1'), 2=>

于 2024-04-28 发布浏览量62

php正则

1、判断手机号和座机号//座机 $preg_phone='/^1[345678]\d{9}$/'; //手机号$isTel = "/^([0-9]{3,4}-)?[0-9]{7,8}$/" ;if(!preg_match($preg_phone,$data['tel']) && !preg_match( $isTel , $data['tel'] )){ exit("<script>alert('手机号码或电话格式错误');history.go(-1)</scr

于 2024-04-28 发布浏览量74

PHP 查找 embed 替换成 video 标签

//字符串$test = '<embed src="/file/storage/media/20211210134527732898748.mp4" type="video/x-ms-asf-plugin" width="550" height="400" loop="true" /><embed src="/file/storage/media/202112101345567b10f0628.mp4" type="video/x-ms-asf-plugin" width="550" h

于 2024-04-28 发布浏览量64

文章归档

//按栏目归档 $data = Db::query("select count(a.catid) as num,c.column_name,c.id from hlgj_article a,hlgj_column c where a.catid=c.id group by c.id order by c.id desc");// dump($data); $data1 = Db::name('article') ->alias('a') ->join(PERFIX.'

于 2024-04-28 发布浏览量76

kindeditor 多图上传失败

修改session配置文件'VAR_SESSION_ID'=>'PHPSESSID', 将VAR_SESSION_ID注释去掉然后创建编辑器的时候，传入参数var editor = KindEditor.create('#content',{ allowFileManager : true, wellFormatMode: true,//不美化HTML width: '100%', height: '380px', zIndex: '99999999', aft

于 2024-04-27 发布浏览量83

phpStudy做301重定向

把abc.com重定向到www.abc.com(集中权重，利于优化)1、在phpStudy的httpd-conf中，把以下设置的“#”去掉：#LoadModule rewrite_module modules/mod_rewrite.so2、打开网站根目录的.htaccess，添加内容：rewriteEngine onrewriteCond %{http_host} ^abc.com [NC]rewriteRule ^(.*)$ http://www.abc.com/$1 [R=3

于 2024-04-27 发布浏览量64

随手笔记

php (36篇)

mysql (1篇)

jquery (12篇)

css (2篇)

编译器 (1篇)

服务器 (1篇)

其它 (1篇)