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<?php declare(strict_types=1); error_reporting(-1); // $sample = [ // 'view' => [ // 'path'=> [ // '1', // ]] // ]; $sample = []; if(is_array($sample['view']['path'])){ echo 1; } if(is_array($sample['view']) && is_array($sample['view']['path'])){ echo 1; } //vs if(isset($sample['view']['path']) && is_array($sample['view']['path'])){ echo 1; }
Output for git.master, git.master_jit
Warning: Undefined array key "view" in /in/YLXf7 on line 14 Warning: Trying to access array offset on value of type null in /in/YLXf7 on line 14 Warning: Undefined array key "view" in /in/YLXf7 on line 18
Output for rfc.property-hooks
Warning: Undefined array key "view" in /in/YLXf7 on line 14 Warning: Trying to access array offset on null in /in/YLXf7 on line 14 Warning: Undefined array key "view" in /in/YLXf7 on line 18

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