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<?php echo 'count(false): ',count(false),"\n"; echo 'count(0): ',count(0),"\n"; echo 'count(array(false)): ',count(array(false)),"\n"; echo 'count(array(0)): ',count(array(0)),"\n"; echo 'count(null): ',count(null),"\n"; echo 'count(array()): ',count(array()),"\n"; class Test {} $t = new Test(); echo 'count($t): ', count($t), "\n"; $emptyit = new EmptyIterator; echo 'count($emptyit): ', count($emptyit), "\n";
Output for 8.3.0 - 8.3.6
count(false): Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, false given in /in/9SeJ7:2 Stack trace: #0 {main} thrown in /in/9SeJ7 on line 2
Process exited with code 255.
Output for 8.0.10 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
count(false): Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, bool given in /in/9SeJ7:2 Stack trace: #0 {main} thrown in /in/9SeJ7 on line 2
Process exited with code 255.
Output for 8.0.0 - 8.0.9
count(false): Fatal error: Uncaught TypeError: count(): Argument #1 ($var) must be of type Countable|array, bool given in /in/9SeJ7:2 Stack trace: #0 {main} thrown in /in/9SeJ7 on line 2
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
count(false): Warning: count(): Parameter must be an array or an object that implements Countable in /in/9SeJ7 on line 2 1 count(0): Warning: count(): Parameter must be an array or an object that implements Countable in /in/9SeJ7 on line 3 1 count(array(false)): 1 count(array(0)): 1 count(null): Warning: count(): Parameter must be an array or an object that implements Countable in /in/9SeJ7 on line 8 0 count(array()): 0 count($t): Warning: count(): Parameter must be an array or an object that implements Countable in /in/9SeJ7 on line 13 1 count($emptyit): Warning: count(): Parameter must be an array or an object that implements Countable in /in/9SeJ7 on line 16 1
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, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20
count(false): 1 count(0): 1 count(array(false)): 1 count(array(0)): 1 count(null): 0 count(array()): 0 count($t): 1 count($emptyit): 1
Output for 5.0.0 - 5.0.5
count(false): 1 count(0): 1 count(array(false)): 1 count(array(0)): 1 count(null): 0 count(array()): 0 count($t): 1 Fatal error: Class 'EmptyIterator' not found in /in/9SeJ7 on line 15
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
count(false): 1 count(0): 1 count(array(false)): 1 count(array(0)): 1 count(null): 0 count(array()): 0 count($t): 1 Fatal error: Cannot instantiate non-existent class: emptyiterator in /in/9SeJ7 on line 15
Process exited with code 255.
Output for 4.3.0 - 4.3.1
count(false): 1 count(0): 1 count(array(false)): 1 count(array(0)): 1 count(null): 0 count(array()): 0 count($t): 1 Fatal error: Cannot instantiate non-existent class: emptyiterator in /in/9SeJ7 on line 15

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