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<?php class Serializable_Exception extends Exception { protected $serialized_backtrace; public function __sleep() { // If we just serialize, we lose the backtrace info completely // But we may well want to log or inspect this string later... if ( is_null($this->serialized_backtrace) ) { $this->serialized_backtrace = $this->getTraceAsString(); } return array_keys(get_object_vars($this)); } public function enhancedGetTraceAsString() { if ( isset($this->serialized_backtrace) ) { return $this->serialized_backtrace; } else { return parent::getTraceAsString(); } } } function foo($x) { throw new Serializable_Exception; } try { foo( new SimpleXMLElement('<test />') ); } catch ( Exception $e ) { echo $e->enhancedGetTraceAsString(); echo "\n -- \n"; echo unserialize( serialize($e) )->enhancedGetTraceAsString(); }
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
#0 /in/IHPI5(34): foo(Object(SimpleXMLElement)) #1 {main} -- #0 /in/IHPI5(34): foo(Object(SimpleXMLElement)) #1 {main}
Output for 5.0.5
#0 /in/IHPI5(34): foo(Object(SimpleXMLElement)) #1 {main} --
Process exited with code 139.
Output for 5.0.3 - 5.0.4
#0 /in/IHPI5(30): foo() #1 /in/IHPI5(34): foo(Object(SimpleXMLElement)) #2 {main} -- #0 /in/IHPI5(30): foo() #1 /in/IHPI5(34): foo(Object(SimpleXMLElement)) #2 {main}
Output for 5.0.0 - 5.0.2
#0 /in/IHPI5(34): foo(Object(SimpleXMLElement)) #1 {main} -- #0 {main}
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/IHPI5 on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/IHPI5 on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/IHPI5 on line 5
Process exited with code 255.

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