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<?php //We set an error handler to throw an ErrorException whenever an error is triggered set_error_handler(function (int $severity, string $message, string $filename, int $line) { echo "Throwing ErrorException\n"; throw new ErrorException($message, 0, $severity, $filename, $line); }); //We're going to test this error handler passing wrong arguments to array_diff //array_diff compares array items CASTING them to string. Yes, it is retarded. No, it's not the lol here. //http://php.net/manual/en/function.array-diff.php //We declare an object that can't be cast to string $stdObject = new stdClass(); //First case: let's trigger an error try { $hello = (string) $stdObject; }catch(ErrorException $ee){ //Handler is called, exception is thrown and catched here. Yay! echo "Catched exception: " . $ee->getMessage() . "\n"; } echo "\n----------\n"; //Second case: let's trigger an error try { array_diff([], [$stdObject]); }catch(ErrorException $ee){ //Handler is called, exception is thrown and catched here. Yay! echo "Catched exception: " . $ee->getMessage() . "\n"; } echo "\n----------\n"; //Third case: let's trigger a slightly different error try { array_diff([$stdObject], [$stdObject]); }catch(ErrorException $ee){ //Handler is called, exception is thrown but... IT IS NOT CATCHED! echo "Catched exception: " . $ee->getMessage() . "\n"; }
Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Uncaught Error: Object of class stdClass could not be converted to string in /in/BaUji:18 Stack trace: #0 {main} thrown in /in/BaUji on line 18
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught Error: Object of class stdClass could not be converted to string in /in/BaUji:18 Stack trace: #0 {main} thrown in /in/BaUji on line 18
Process exited with code 255.
Output for 7.3.0 - 7.3.33
Throwing ErrorException Catched exception: Object of class stdClass could not be converted to string ---------- ---------- Throwing ErrorException Warning: Uncaught ErrorException: Object of class stdClass could not be converted to string in /in/BaUji:38 Stack trace: #0 [internal function]: {closure}(4096, 'Object of class...', '/in/BaUji', 38, Array) #1 /in/BaUji(38): array_diff(Array, Array) #2 {main} thrown in /in/BaUji on line 38 Fatal error: Object of class stdClass could not be converted to string in /in/BaUji on line 38
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33
Throwing ErrorException Catched exception: Object of class stdClass could not be converted to string ---------- Throwing ErrorException Catched exception: Object of class stdClass could not be converted to string ---------- Throwing ErrorException Warning: Uncaught ErrorException: Object of class stdClass could not be converted to string in /in/BaUji:38 Stack trace: #0 [internal function]: {closure}(4096, 'Object of class...', '/in/BaUji', 38, Array) #1 /in/BaUji(38): array_diff(Array, Array) #2 {main} thrown in /in/BaUji on line 38 Fatal error: Object of class stdClass could not be converted to string in /in/BaUji on line 38
Process exited with code 255.
Output for 5.6.38 - 5.6.40
Catchable fatal error: Argument 1 passed to {closure}() must be an instance of int, integer given in /in/BaUji on line 4
Process exited with code 255.
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