The topic on PHP file operation functions includes a summary of various functions of PHP processing files, their usage and detailed case demonstrations, as well as selected video tutorials on PHP file operations organized by PHP Chinese website. As well as related technical articles, everyone is welcome to collect and study!

1: What does the PHP file operation function mean?

There are a variety of functions in PHP that can be used to create, read, upload, and edit files. These functions are file operation functions and are a collection of functions.

2: What are the PHP file operation functions?

Quick overview of PHP file system functions:

basename — 返回路徑中的文件名部分
chgrp — 改變文件所屬的組
chmod — 改變文件模式
chown — 改變文件的所有者
clearstatcache — 清除文件狀態(tài)緩存
copy — 拷貝文件
delete — 參見(jiàn) unlink 或 unset
dirname — 返回路徑中的目錄部分
disk_free_space — 返回目錄中的可用空間
disk_total_space — 返回一個(gè)目錄的磁盤(pán)總大小
diskfreespace — disk_free_space 的別名
fclose — 關(guān)閉一個(gè)已打開(kāi)的文件指針
fdatasync — Synchronizes data (but not meta-data) to the file
feof — 測(cè)試文件指針是否到了文件結(jié)束的位置
fflush — 將緩沖內(nèi)容輸出到文件
fgetc — 從文件指針中讀取字符
fgetcsv — 從文件指針中讀入一行并解析 CSV 字段
fgets — 從文件指針中讀取一行
fgetss — 從文件指針中讀取一行并過(guò)濾掉 HTML 標(biāo)記
file_exists — 檢查文件或目錄是否存在
file_get_contents — 將整個(gè)文件讀入一個(gè)字符串
file_put_contents — 將一個(gè)字符串寫(xiě)入文件
file — 把整個(gè)文件讀入一個(gè)數(shù)組中
fileatime — 取得文件的上次訪問(wèn)時(shí)間
filectime — 取得文件的 inode 修改時(shí)間
filegroup — 取得文件的組
fileinode — 取得文件的 inode
filemtime — 取得文件修改時(shí)間
fileowner — 取得文件的所有者
fileperms — 取得文件的權(quán)限
filesize — 取得文件大小
filetype — 取得文件類型
flock — 輕便的咨詢文件鎖定
fnmatch — 用模式匹配文件名
fopen — 打開(kāi)文件或者 URL
fpassthru — 輸出文件指針處的所有剩余數(shù)據(jù)
fputcsv — 將行格式化為 CSV 并寫(xiě)入文件指針
fputs — fwrite 的別名
fread — 讀取文件（可安全用于二進(jìn)制文件）
fscanf — 從文件中格式化輸入
fseek — 在文件指針中定位
fstat — 通過(guò)已打開(kāi)的文件指針取得文件信息
fsync — Synchronizes changes to the file (including meta-data)
ftell — 返回文件指針讀/寫(xiě)的位置
ftruncate — 將文件截?cái)嗟浇o定的長(zhǎng)度
fwrite — 寫(xiě)入文件（可安全用于二進(jìn)制文件）
glob — 尋找與模式匹配的文件路徑
is_dir — 判斷給定文件名是否是一個(gè)目錄
is_executable — 判斷給定文件名是否可執(zhí)行
is_file — 判斷給定文件名是否為一個(gè)正常的文件
is_link — 判斷給定文件名是否為一個(gè)符號(hào)連接
is_readable — 判斷給定文件名是否可讀
is_uploaded_file — 判斷文件是否是通過(guò) HTTP POST 上傳的
is_writable — 判斷給定的文件名是否可寫(xiě)
is_writeable — is_writable 的別名
lchgrp — 修改符號(hào)鏈接的所有組
lchown — 修改符號(hào)鏈接的所有者
link — 建立一個(gè)硬連接
linkinfo — 獲取一個(gè)連接的信息
lstat — 給出一個(gè)文件或符號(hào)連接的信息
mkdir — 新建目錄
move_uploaded_file — 將上傳的文件移動(dòng)到新位置
parse_ini_file — 解析一個(gè)配置文件
parse_ini_string — 解析配置字符串
pathinfo — 返回文件路徑的信息
pclose — 關(guān)閉進(jìn)程文件指針
popen — 打開(kāi)進(jìn)程文件指針
readfile — 輸出文件
readlink — 返回符號(hào)連接指向的目標(biāo)
realpath_cache_get — 獲取真實(shí)目錄緩存的詳情
realpath_cache_size — 獲取真實(shí)路徑緩沖區(qū)的大小
realpath — 返回規(guī)范化的絕對(duì)路徑名
rename — 重命名一個(gè)文件或目錄
rewind — 倒回文件指針的位置
rmdir — 刪除目錄
set_file_buffer — stream_set_write_buffer 的別名
stat — 給出文件的信息
symlink — 建立符號(hào)連接
tempnam — 建立一個(gè)具有唯一文件名的文件
tmpfile — 建立一個(gè)臨時(shí)文件
touch — 設(shè)定文件的訪問(wèn)和修改時(shí)間
umask — 改變當(dāng)前的 umask
unlink — 刪除文件

3: Common usage of PHP file operation functions (examples)

Selected articles and video tutorials compiled below They all contain practical cases to teach you step by step how to use common file operation functions:

1, "PHP File Basic Operation" (Video)

2, "PHP Implementation of File Upload Video Tutorial》(Video)

3, "PHP Introductory Video Tutorial One Week to Learn PHP" (Video)

Note: The chapters in this video that contain file-related operation tutorials are as shown below:

4, "php file operation series summary (continued) Update~)》(Article)

5.《Read excel file content and obtain cell data using PHP》(Article)

6. "Use PHP to convert the content of the txt file into an array and obtain the specified content by the number of lines" (article)

7. " Detailed explanation of the PHP file upload method and Its information analysis》 (graphic video)

8, "Detailed explanation of how to obtain file size in PHP" (graphic video)

9 , "PHP gets the content of the txt file and converts it into an array" (Picture, text and video)

10, "Read Excel file information and content with PHP" (Picture Text and video)

11. "What are the simple ways to upload multiple files in PHP" (Text and video)

12. "php uses multiple Attributes realize multi-file upload and information analysis》(graphics, text and video)

In the process of learning PHP, file operation is the most basic and very important knowledge point, but if you want to really get PHP development In addition to being proficient in file operations, skills include other knowledge points, such as PHP arrays, PHP loops, object-oriented, forms, sessions, cookies, etc., so for PHP beginners, I recommend " A copy of PHP in 2022" Please check the learning path! 》, everyone is welcome to refer to and study!

Related recommendations: 《php session session (topic)》|《php cookie (topic)》|《PHP ARRAY Array function (special topic)》

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