Error::getPrevious

(PHP 7, PHP 8)

Error::getPreviousReturns previous Throwable

Descrierea

final public Error::getPrevious ( ) : Throwable

Returns previous Throwable (the third parameter of Error::__construct()).

Parametri

Această funcție nu are parametri.

Valorile întoarse

Returns the previous Throwable if available or null otherwise.

Exemple

Example #1 Error::getPrevious() example

Looping over, and printing out, error trace.

<?php
class MyCustomError extends Error {}

function 
doStuff() {
    try {
        throw new 
InvalidArgumentError("You are doing it wrong!"112);
    } catch(
Error $e) {
        throw new 
MyCustomError("Something happened"911$e);
    }
}


try {
    
doStuff();
} catch(
Error $e) {
    do {
        
printf("%s:%d %s (%d) [%s]\n"$e->getFile(), $e->getLine(), $e->getMessage(), $e->getCode(), get_class($e));
    } while(
$e $e->getPrevious());
}
?>

Exemplul de mai sus va afișa ceva similar cu:

/home/bjori/ex.php:8 Something happened (911) [MyCustomError]
/home/bjori/ex.php:6 You are doing it wrong! (112) [InvalidArgumentError]

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