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<?php $count = '1e1'; $count = filter_var($count, FILTER_VALIDATE_INT, ['default' => 20, 'min' => 1, 'max' => 20]); var_dump($count); if (!$count) { $count = 20; } var_dump($count);
Output for 7.1.25 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
bool(false) int(20)

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154.8 ms | 403 KiB | 175 Q