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<?php class MyFilter extends FilterIterator { public function accept() { return true; } } $it = new ArrayIterator(array(1, 2, 3)); $fi = new MyFilter($it); var_dump($it->count()); var_dump($fi->count()); var_dump(count($it)); var_dump(count($fi));
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Return type of MyFilter::accept() should either be compatible with FilterIterator::accept(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/jKOgZ on line 5 int(3) int(3) int(3) Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, MyFilter given in /in/jKOgZ:18 Stack trace: #0 {main} thrown in /in/jKOgZ on line 18
Process exited with code 255.
Output for 8.0.10 - 8.0.30
int(3) int(3) int(3) Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, MyFilter given in /in/jKOgZ:18 Stack trace: #0 {main} thrown in /in/jKOgZ on line 18
Process exited with code 255.
Output for 8.0.0 - 8.0.9
int(3) int(3) int(3) Fatal error: Uncaught TypeError: count(): Argument #1 ($var) must be of type Countable|array, MyFilter given in /in/jKOgZ:18 Stack trace: #0 {main} thrown in /in/jKOgZ on line 18
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
int(3) int(3) int(3) Warning: count(): Parameter must be an array or an object that implements Countable in /in/jKOgZ on line 18 int(1)
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.1, 5.1.3, 5.2.0 - 5.2.1, 5.2.5, 5.2.7, 5.2.9 - 5.2.11, 5.2.14, 5.2.16 - 5.2.17, 5.3.16 - 5.3.29, 5.4.6 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33
int(3) int(3) int(3) int(1)
Output for 5.3.0 - 5.3.15, 5.4.0 - 5.4.5
int(3) int(3) int(3) int(1)
Process exited with code 139.
Output for 5.1.2, 5.1.4 - 5.1.6, 5.2.2 - 5.2.4, 5.2.6, 5.2.8, 5.2.12 - 5.2.13, 5.2.15
int(3) int(0) int(3) int(1)
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/jKOgZ 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/jKOgZ 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/jKOgZ on line 5
Process exited with code 255.
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