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set_error_handler(): error_handler: parametri opzionali
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alex
Sep 14, 2020, 5:32:16 AM9/14/20
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error_handler
A callback with the following signature. NULL may be passed instead, to
reset this handler to its default state. Instead of a function name, an
array containing an object reference and a method name can also be supplied.
handler ( int $errno , string $errstr [, string $errfile [, int $errline
[, array $errcontext ]]] ) : bool
Fonte: https://www.php.net/manual/en/function.set-error-handler.php
Una domanda:
Perchè i parametri $errfile, $errline, $errcontext devono essere opzionali?
A callback with the following signature. NULL may be passed instead, to
reset this handler to its default state. Instead of a function name, an
array containing an object reference and a method name can also be supplied.
handler ( int $errno , string $errstr [, string $errfile [, int $errline
[, array $errcontext ]]] ) : bool
Fonte: https://www.php.net/manual/en/function.set-error-handler.php
Una domanda:
Perchè i parametri $errfile, $errline, $errcontext devono essere opzionali?
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