TAILIEUCHUNG - PHP Developer's Dictionary- P73

PHP Developer's Dictionary- P73:PHP is an open source, server-side, HTML-embedded scripting language used to create dynamically generated Web pages. With an easy-to-use syntax and a large, extensible library of modules, PHP brings together the best of Perl, C++, and other languages. | PHP Developer s Dictionary Description The set_fiie_buffer function sets the buffering for write operations to the file referenced by fp to buffer bytes. If the buffer parameter is 0 write operations are unbuffered. is_dir Syntax bool is_dir string filename Description The is_ dir function returns true 1 if filename exists and is a directory. Note The results of this function are cached by PHP. Any subsequent calls to is_dir will return the same results even if the environment has changed. The cache is cleared through the clearstatcache function. is_executable Syntax bool is_executable string filename Description The is_ executable function returns true 1 if the filename exists and is executable. On UNIX systems this will also return true 1 if a directory has the execute permission set. Note The results of this function are cached by PHP. Any subsequent calls to is_executable will return the same results even if the environment has changed. The cache is cleared through the clearstatcache function. IT-SC book 360 PHP Developer s Dictionary is_file Syntax bool is_file string filename Description The is_fiie function returns true 1 if the filename exists and is a file. Note The results of this function are cached by PHP. Any subsequent calls to is_fiie will return the same results even if the environment has changed. The cache is cleared through the clearstatcache function. is_link Syntax bool is_link string filename Description The is_link function returns true 1 if the filename exists and is a symbolic link. Note The results of this function are cached by PHP. Any subsequent calls to is_link will return the same results even if the environment has changed. The cache is cleared through the clearstatcache function. is_readable Syntax IT-SC book 361 PHP Developer s Dictionary bool is_readable string filename Description The is_ readabie function returns true 1 if the filename exists and is readable. On UNIX systems this will also return true 1 if a directory has the .

Đã phát hiện trình chặn quảng cáo AdBlock
Trang web này phụ thuộc vào doanh thu từ số lần hiển thị quảng cáo để tồn tại. Vui lòng tắt trình chặn quảng cáo của bạn hoặc tạm dừng tính năng chặn quảng cáo cho trang web này.