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<?php $result = count(null); var_dump($result); $result = count(""); var_dump($result); $result = count(123); var_dump($result); $result = count(true); var_dump($result); $result = count(false); var_dump($result); $result = count((object) []); var_dump($result); $result = count(['','']); var_dump($result);
Output for 8.0.10 - 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 TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /in/hDnEJ:3 Stack trace: #0 {main} thrown in /in/hDnEJ on line 3
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /in/hDnEJ:3 Stack trace: #0 {main} thrown in /in/hDnEJ on line 3
Process exited with code 255.
Output for 8.0.0 - 8.0.9
Fatal error: Uncaught TypeError: count(): Argument #1 ($var) must be of type Countable|array, null given in /in/hDnEJ:3 Stack trace: #0 {main} thrown in /in/hDnEJ on line 3
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
Warning: count(): Parameter must be an array or an object that implements Countable in /in/hDnEJ on line 3 int(0) Warning: count(): Parameter must be an array or an object that implements Countable in /in/hDnEJ on line 5 int(1) Warning: count(): Parameter must be an array or an object that implements Countable in /in/hDnEJ on line 7 int(1) Warning: count(): Parameter must be an array or an object that implements Countable in /in/hDnEJ on line 9 int(1) Warning: count(): Parameter must be an array or an object that implements Countable in /in/hDnEJ on line 11 int(1) Warning: count(): Parameter must be an array or an object that implements Countable in /in/hDnEJ on line 13 int(1) int(2)
Output for 5.6.38, 7.1.0 - 7.1.33
int(0) int(1) int(1) int(1) int(1) int(1) int(2)
preferences:
139.76 ms | 401 KiB | 203 Q