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<?php class Foo extends IteratorIterator { function __construct( $items ) { if ( is_array( $items ) ) { $items = new ArrayIterator( $items ); } } function __debugInfo() { throw new \Exception(); return [ "count" => iterator_count( $this ) ]; } } $a = new Foo( [ 1,2,3 ] ); var_dump( $a ); ?>
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Warning: Uncaught Exception in /in/EJpD4:14 Stack trace: #0 [internal function]: Foo->__debugInfo() #1 /in/EJpD4(20): var_dump(Object(Foo)) #2 {main} thrown in /in/EJpD4 on line 14 Fatal error: __debuginfo() must return an array in /in/EJpD4 on line 20
Process exited with code 255.
Output for 5.6.0 - 5.6.27
Warning: Uncaught exception 'Exception' in /in/EJpD4:14 Stack trace: #0 [internal function]: Foo->__debugInfo() #1 /in/EJpD4(20): var_dump(Object(Foo)) #2 {main} thrown in /in/EJpD4 on line 14 Fatal error: __debuginfo() must return an array in /in/EJpD4 on line 20
Process exited with code 255.
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