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<?php class CountHelper { public static function count_if_you_can($var) { if (is_array($var)) { return count($var); } elseif (is_object($var)) { if ($var instanceof Countable) { return count($var); } else { return 1; } } elseif ($var === NULL) { return 0; } else { return 1; } } } function teste($var) { $result = CountHelper::count_if_you_can($var); var_dump($result); $result = count($var); var_dump($result); if (count($var) > 0){ foreach ($var as $v) { echo $v; } } } echo teste('');
Output for 8.0.10 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
int(1) Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, string given in /in/Ws9Uv:40 Stack trace: #0 /in/Ws9Uv(52): teste('') #1 {main} thrown in /in/Ws9Uv on line 40
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 int(1) Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, string given in /in/Ws9Uv:40 Stack trace: #0 /in/Ws9Uv(52): teste('') #1 {main} thrown in /in/Ws9Uv on line 40
Process exited with code 255.
Output for 8.0.0 - 8.0.9
int(1) Fatal error: Uncaught TypeError: count(): Argument #1 ($var) must be of type Countable|array, string given in /in/Ws9Uv:40 Stack trace: #0 /in/Ws9Uv(52): teste('') #1 {main} thrown in /in/Ws9Uv on line 40
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(1) Warning: count(): Parameter must be an array or an object that implements Countable in /in/Ws9Uv on line 40 int(1) Warning: count(): Parameter must be an array or an object that implements Countable in /in/Ws9Uv on line 43 Warning: Invalid argument supplied for foreach() in /in/Ws9Uv on line 44
Output for 5.6.38, 7.1.0 - 7.1.33
int(1) int(1) Warning: Invalid argument supplied for foreach() in /in/Ws9Uv on line 44
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