PHP exec Return Error Messages

2021-05-26 69 words One minute

Contents

`exec`

exec

This function is for executing OS command in PHP.

`exec` Error

1
exec('none-exist-command', $output, $exit);

Imporant

Above the command none-exist-command occurs an error because it’s not exist command.
IMPORTANT!!
Maybe you think you can get error messages from the $output.
BUT IT’S NOT!!

Return Error Messages

1
exec('none-exist-command 2>&1', $output, $exit);

2>&1

If you want to get error messages, you have to append 2>@1 option the command.

Contents

PHP exec Return Error Messages

exec

exec Error

Return Error Messages

`exec`

`exec` Error