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<?php $d = null; var_dump(count($d)); foreach ($d as $o) { echo 'foo'; }
Output for 8.0.10 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /in/Ns5RK:5 Stack trace: #0 {main} thrown in /in/Ns5RK on line 5
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/Ns5RK:5 Stack trace: #0 {main} thrown in /in/Ns5RK on line 5
Process exited with code 255.
Output for 7.2.6 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
Warning: count(): Parameter must be an array or an object that implements Countable in /in/Ns5RK on line 5 int(0) Warning: Invalid argument supplied for foreach() in /in/Ns5RK on line 6
Output for 4.3.0 - 4.3.10, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20
int(0) Warning: Invalid argument supplied for foreach() in /in/Ns5RK on line 6
Output for 4.3.11
int(0)

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