I/O PHP Files and classes
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This document discusses reading and writing files in PHP. It covers: 1. Opening a connection to a file and specifying read or write mode. 2. Performing read/write operations and closing the connection. 3. Getting write permissions on the server and using forward slashes for file paths on Unix and Windows systems.
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- 3. In order to read or write to a file , you have to get the write permissions. Permission is something to set on the server operating system.
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- 5. Is used to write the contents of a string to file open for writing. o File handle is one of it`s parameters. Return number of characters written on success, otherwise return false. Fputs() is an alias. R+ is the access mode of writing.
- 6. $handle=fopen($path ,’ r+ ’) $write=fwrite( $handle , $string ) If($write){ echo “Success”} File pointer at the end of string // Read about access modes Get file path dynamically if file name = query.txt
- 7. Data is encoded using URL-encoding by default. Data included in the http body. The form data should be of the content type By setting the encrypt attribute of html form Multipart/form-data
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- 17. Turn Class to an object Class name:car Class car{ Public $color; Public $model; Public $top_speed; } $mycar=new car(); $mycar->color=‘red’ $mycar->model=‘volvo’ $color=$mycar->color;
- 18. 1439938978 seconds since Jan 01 1970. (UTC)
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