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<?php $var = ''; $res = count($var); var_dump($res); if (count($var) > 0) { echo "yeah"; }else { echo "no"; } echo "\n\n"; $var = null; $res = count($var); var_dump($res); if (count($var) > 0) { echo "yeah"; }else { echo "no"; }
Output for 8.0.10 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, string given in /in/7AtrU:5 Stack trace: #0 {main} thrown in /in/7AtrU on line 5
Process exited with code 255.
Output for 8.0.0 - 8.0.9
Fatal error: Uncaught TypeError: count(): Argument #1 ($var) must be of type Countable|array, string given in /in/7AtrU:5 Stack trace: #0 {main} thrown in /in/7AtrU on line 5
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/7AtrU on line 5 int(1) Warning: count(): Parameter must be an array or an object that implements Countable in /in/7AtrU on line 8 yeah Warning: count(): Parameter must be an array or an object that implements Countable in /in/7AtrU on line 18 int(0) Warning: count(): Parameter must be an array or an object that implements Countable in /in/7AtrU on line 21 no
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25
int(1) yeah int(0) no

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