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<?php $arr = ['a' =>1,'b' => 2]; $arr2 = [['a' => 11,'b' => 22],['a' => 111,'b' => 222]]; echo count($arr); if(isset($arr[0]) && is_array($$arr[0])) echo 'arr is 2'; if(isset($arr2[0]) && is_array($$arr2[0])) echo 'arr2 is 2';
Output for git.master, git.master_jit
2 Warning: Array to string conversion in /in/0MmPM on line 8 Warning: Undefined variable $Array in /in/0MmPM on line 8 Warning: Trying to access array offset on value of type null in /in/0MmPM on line 8
Output for rfc.property-hooks
2 Warning: Array to string conversion in /in/0MmPM on line 8 Warning: Undefined variable $Array in /in/0MmPM on line 8 Warning: Trying to access array offset on null in /in/0MmPM on line 8

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