This function return formatting of file sizes in a human readable format.
function formatFileSize( $size ) { $file_size = $size; $i = 0; $name = array( 'byte', 'kB', 'MB', 'GB' ); while ( $file_size > 1000 ) { $i++; $file_size = $file_size / 1024; } return round( $file_size, 2 ) . " " . $name[$i]; } echo formatFileSize( 1024 * 1024 ); //out = 1 MB
This function check if an e-mail address is valid or not. function valid_email($email) { return preg_match('/^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/', $email);...
If file exists then delete the file. function delFile( $file_name ) { if ( file_exists( $file_name ) ) // Does '$file_name' exist { unlink( $file_name ); return true; } ...
Gregorian to Persian Date Convertor....
Encrypt function return different value with each execute but decrypt function return input value. for example: first execute: encrypt('hello') => 'axxdfg34', decrypt('axxdfg34') return 'hello'...
