array_keys();获取数组中的键,参数是数组名array_vals();获取数组中的值,参数是数组名array_key_exists();检查一个键是否在数组中in_array();检查一个值是否在数组中,里面的参数是"值"和数组名array_flip();键和值对调,参数是数组名array_reverse();数组中的值反转,也就是函数返回一个和原来数组顺序相反...
fastcgi_paramQUERY_STRING$query_string;fastcgi_paramREQUEST_METHOD$request_method;fastcgi_paramCONTENT_TYPE$content_type;fastcgi_paramCONTENT_LENGTH$content_length;fastcgi_paramSCRIPT_NAME$fastcgi_script_name;fastcgi_paramREQUEST_URI$request_uri;fastcgi_paramDOCUMENT_URI$document_uri;fastcgi_paramDOCUMENT_ROOT...
理论上龙蜥是RHEL ABI兼容发行(但内核不同 使用ANCK分支而不是RHCK) 极速安装认为是CentOS8被拒绝安装,编译安装时php-fpm报错 系统基本信息: [root@storage ~]# cat /etc/anolis-release Anolis OS release 8.8 [root@storage ~]# uname -a Linux storage.dwg.us.in 4.19.91-27.7.an8.x86_64 #1 SMP F...
host: string. can be a host, or the path to a unix domain socket. port: int (default is 6379, should be -1 for unix domain socket) connectTimeout: float, value in seconds (default is 0 meaning unlimited) retryInterval: int, value in milliseconds (optional) readTimeout: float, value...
In previous versions of Laravel, the$keywas passed first. Since most use cases are only interested in the$valueit is now passed first. You should do a "global find" in your application for these methods to verify that you are expecting the$valueto be passed as the first argument to your...
PHP stringPHP integerPHP floatPHP arrayPHP objectPHP NULL value Data Types explained PHP Strings Get the length of a string - strlen()Count the number of words in a string - str_word_count()Reverse a string - strrev()Search for a specific text within a string - strpos()Replace text wit...
a 函数说明 abs 绝对值 acos 反余弦 acosh 反双曲余弦 addcslashes 以 C 语言风格使用反斜线转义字符串中的字符 addslashes 使用反斜线引用字符串 apache_child_terminate 在本次请求结束后终止 apache 子进程 apache_geten
第一种:<?php ?> 第二种:<?php 第三种:<? ?> 第四种:<% %> 第五种:<script language="php"></script> 第三种和第四种为短标识,当使用他们需要开启php.ini文件中的short_open_tag,不然会报错 0.8 $_POST变量 在PHP 中,预定义的$_POST变量用于收集来自method="post"的表单中的值 $num1=$_...
Without further ado, let’s start with a simple ‘Hello FP’ example. Creating a simple script is probably the easiest way to get PHP up and running, and that’s all you’ll need for this chapter. Fire up your PHP REPL [shell> php -a]. Because I want to focus more on building ...
* @param $str string 要处理的字符串 * @param $start int 从哪个位置開始截取 * @param $length int 要截取字符的个数 * @return string 截取后得到的字符串 */ functionsubstr_utf8($str,$start,$length=null) { $sep=""; $arr=array_slice(preg_split("//u",$str,-1,PREG_SPLIT_NO_EMPTY)...