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<?php $a = 123; $b = (string)$a; for ($b = 0;$b <= count($b); $b++); echo $b;
Output for 8.0.10 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, int given in /in/tMDa2:6 Stack trace: #0 {main} thrown in /in/tMDa2 on line 6
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, int given in /in/tMDa2:6 Stack trace: #0 {main} thrown in /in/tMDa2 on line 6
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/tMDa2 on line 6 Warning: count(): Parameter must be an array or an object that implements Countable in /in/tMDa2 on line 6 Warning: count(): Parameter must be an array or an object that implements Countable in /in/tMDa2 on line 6 2
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33
2

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