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<?php $a = array('leg1'=>'LA', 'leg2'=>'NY', 'leg3'=>'NY', 'leg4'=>'NY', 'leg5'=>'FL'); $keys = array_keys($array); for ($i = 0; $i < count($keys); $i++) { $cur = $array[$keys[$i]]; $next = $array[$keys[$i+1]]; }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined variable $array in /in/ucurh on line 4 Fatal error: Uncaught TypeError: array_keys(): Argument #1 ($array) must be of type array, null given in /in/ucurh:4 Stack trace: #0 /in/ucurh(4): array_keys(NULL) #1 {main} thrown in /in/ucurh on line 4
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: array in /in/ucurh on line 4 Warning: array_keys() expects parameter 1 to be array, null given in /in/ucurh on line 4 Warning: count(): Parameter must be an array or an object that implements Countable in /in/ucurh on line 5
Output for 7.3.32 - 7.3.33
Warning: array_keys() expects parameter 1 to be array, null given in /in/ucurh on line 4 Warning: count(): Parameter must be an array or an object that implements Countable in /in/ucurh on line 5
Output for 5.4.1 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25
Notice: Undefined variable: array in /in/ucurh on line 4 Warning: array_keys() expects parameter 1 to be array, null given in /in/ucurh on line 4
preferences:
231.28 ms | 403 KiB | 242 Q