Sometimes, we want to try/catch a warning with PHP.
In this article, we’ll look at how to try/catch a warning with PHP.
How to try/catch a warning with PHP?
To try/catch a warning with PHP, we add a warning handler.
For instance, we write
set_error_handler("warning_handler", E_WARNING);
//...
restore_error_handler();
function warning_handler($errno, $errstr)
{
// ...
}
to call set_error_handler with 'warning_handler' and E_WARNING to set the warning handler to the warning_handler function.
Then we can get the warning info from the parameters of the function.
Then we call restore_error_handler to restore the original warning handlers after we’re done running our code.
Conclusion
To try/catch a warning with PHP, we add a warning handler.
