php file uploading

Files and PHP ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Open/Close a File ,[object Object],[object Object],[object Object]

File Open Modes ‘ r’ Open for reading only. Start at beginning of file. ‘ r+’ Open for reading and writing. Start at beginning of file. ‘ w’ Open for writing only. Remove all previous content, if file doesn’t exist, create it. ‘ a’ Open writing, but start at END of current content. ‘ a+’ Open for reading and writing, start at END and create file if necessary.

File Open/Close Example ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Now what..? ,[object Object],[object Object]

Reading Data ,[object Object],[object Object],[object Object],[object Object],[object Object]

Reading Data ,[object Object],[object Object],[object Object]

Data Reading Example ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Data Reading Example ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Open the file and assign the resource to $handle $handle = fopen ( 'people.txt' , 'r' );

Data Reading Example ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],While NOT at the end of the file, pointed to by $handle, get and echo the data line by line while (! feof ($handle)) { echo fgets ($handle, 1024 ); echo '<br />' ; }

Data Reading Example ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Close the file fclose ($handle);

File Open shortcuts.. ,[object Object],[object Object],[object Object],[object Object],[object Object]

Writing Data ,[object Object],[object Object],[object Object]

Data Writing Example ,[object Object],[object Object],[object Object]

Data Writing Example ,[object Object],[object Object],[object Object],$handle = fopen ( 'people.txt' , 'a' ); Open file to append data (mode 'a') fwrite ($handle, “Fred:Male” ); Write new data (with line break after previous data)

Other File Operations ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Dealing With Directories ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Directory Example ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Directory Example ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Open current directory $handle = opendir ( './' );

Directory Example ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Whilst readdir() returns a name, loop through directory contents, echoing results while ( false !== ($file= readdir ($handle))) { echo "$file<br />" ; }

Directory Example ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Close the directory stream closedir ($handle);

Other Directory Operations ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Review ,[object Object],[object Object],[object Object],[object Object]

php file uploading

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php file uploading