#hp

phpdate函数 PHP date() 函数

 PHPdate函数是PHP中的一个内置函数,它可以用来格式化日期和时间。它接受一个字符串作为参数,该字符串指定了要使用的日期/时间格式。PHPdate函数的语法如下:date(format,timestamp)其中,format参数是必需的,它指定了要使用的日期/时间格式。timestamp参数是可选的,如...
开发笔记 ·2023-12-02

PHP包含文件函数include、include_once、require、require_once区别和总结

PHP中的include()、require()语句包含并运行指定文件。这两结构在包含文件上完全一样,唯一的区别是对于错误的处理。require()语句在遇到包含文件不存在,或是出错的时候,就停止即行,并报错。include()则继续即行。例如:hello.php不存在时:include(‘hello.ph...

php下载网络图片到本地

<?php/**  *下载图片到服务器  *@paramstring$webImgUrl图片路径  *@paramstring$fileName要保存的文件名  */$fileName=date("Y-m-d")."-".time().rand(1,1000);$webImgUrl="http://www.51d...

PHP 开启 Opcache

Opcache能够将代码编译成字节码,能够加快脚本的运行。检查是否安装opcache:php-vPHP7.3.22(cli)(built:Sep3202021:16:44)(NTS)Copyright(c)1997-2018ThePHPGroupZendEnginev3.3.22,Copyright(c)1998-20...
开发笔记 ·2023-08-12

PHP has encountered an Access Violation

解决方法:回收进程池...

ORA-09747: pw_detachPorts: server call pws_detach failed.

文档解释ORA-09747:pw_detachPorts:servercallpws_detachfailed.Cause:Thecallpws_detachto(Oraclehelper)failed.Action:Makesuretheserverisstillactive.Checktheerrorcoderet...

ORA-32511: cannot create watchpoint in memory needed by watchpointing code

文档解释ORA-32511:cannotcreatewatchpointinmemoryneededbywatchpointingcodeCause:overlapexistsbetweenrequestedmemoryrangetowatchandinternalmemorystructuresthatwatchpo...

ORA-09750: pw_attachPorts: port_rename failed.

文档解释ORA-09750:pw_attachPorts:port_renamefailed.Cause:Theport_renamesystemcallfailed;possibleinternalerror.Action:Checkreturncodeinsercerrno,reporttoOraclecustom...

ORA-09752: pw_attachPorts: port_allocate failed.

文档解释ORA-09752:pw_attachPorts:port_allocatefailed.Cause:Theport_allocatesystemcallfailed;possibleresourceexhaustion.Action:Checkreturncodeinsercerrno,reporttoOra...

ORA-32505: too many watchpoints

文档解释ORA-32505:toomanywatchpointsCause:toomanywatchpointscreatedAction:increaseappropriateinitializationparameters这是Oracle数据库发出的一条错误消息,表示已经创建足够多的Watchpoints(观察点)...
IT技术学习 ·2023-07-08

ORA-32508: no such watchpoint id

文档解释ORA-32508:nosuchwatchpointidCause:invalidwatchpointidAction:useoradebugshowtolistvalidwatchpointids。ORA-32508是一种Oracle数据库错误。它意味着指定的watchpointid不存在。官方解释ORA-3...

ORA-09751: pw_attachPorts: server call pws_attach failed.

文档解释ORA-09751:pw_attachPorts:servercallpws_attachfailed.Cause:Thecallpws_attachto(Oraclehelper)failed.Action:Makesuretheserverisstillactive.Checktheerrorcoderet...

ORA-32509: watchpoint was already deleted

文档解释ORA-32509:watchpointwasalreadydeletedCause:tryingtodeleteanalreadydeletedwatchpointAction:useoradebugshowtolistvalidwatchpointids错误ORA-32509:watchpointwasal...

MySQL分页计算总页数的方法公式(PHP计算页码)

首先假设2个参数:总记录数:totalRecord每页最大记录数:pageSize方法一(推荐): 总页数=(总记录数+每页数据大小 -1)/每页数据大小totalPage=(totalRecord+pageSize-1)/pageSize;其中pageSize-1就是totalRecord/pag...

php源码安全检测,PHP 安全检测代码片段

/***html转换输出(只转义'"保留Html正常运行) *@param$param*@returnstring*/functionhtmlEscape($param){returntrim(htmlspecialchars($param,ENT_QUOTES));}/***是否数组(同时...
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