From 7bea3a04e5a103ea71831fd253e28f90d09725ee Mon Sep 17 00:00:00 2001 From: unknown <1535257254@qq.com> Date: Thu, 12 May 2022 21:45:11 +0800 Subject: [PATCH] dfy --- .../20220511-php\350\265\267\347\202\271.md" | 35 +++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 "\351\202\223\345\257\214\351\222\260/20220511-php\350\265\267\347\202\271.md" diff --git "a/\351\202\223\345\257\214\351\222\260/20220511-php\350\265\267\347\202\271.md" "b/\351\202\223\345\257\214\351\222\260/20220511-php\350\265\267\347\202\271.md" new file mode 100644 index 0000000..0fca306 --- /dev/null +++ "b/\351\202\223\345\257\214\351\222\260/20220511-php\350\265\267\347\202\271.md" @@ -0,0 +1,35 @@ +### 笔记: + +1. **echo** 能输出多个字符串,但无返回值 例:echo “a”,”b” + +2. **print** 只能输出一个字符串,如果输出成功,则返回1,即true;反之则返回0,即false + +3. **var_dump()** 函数用于输出变量的相关信息,常用来查看变量的返回值和数据类型 + +4. **php** 连接多个字符串用 . 不用+号 + +5. 变量格式为: **$+ 变量名 例:$name** + + + +### 作业: + +```php +自我介绍"; + echo "
姓名:$name
"; + echo "年龄:$age
"; + echo "性别:$sex
"; + echo "身高:$age1 cm
"; + echo "家乡:$home
"; + echo "就读于:$school
"; + echo "简介:$say
"; +``` + -- Gitee