(PHP 7 >= 7.2.0, PHP 8) stream_isatty — Check if a stream is a TTY Descriptionstream_isatty(resource $stream): bool Return ValuesReturns true on success or false on failure. ExamplesExample #1 stream_isatty() example This command can be used to determine if a standard output / standard error stream is redirected to a file. php -r "var_export(stream_isatty(STDERR));" The above example will output something similar to: php -r "var_export(stream_isatty(STDERR));" 2>output.txt The above example will output something similar to: There are no user contributed notes for this page. |
