PHP Number Pattern 62

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PHP Number Pattern 62

Try to print the following number pattern using PHP.

Print This Output
1    2    3    4    5    6    7    8    9   10
36  37   38   39   40   41   42   43   44   11
35  64   65   66   67   68   69   70   45   12
34  63   84   85   86   87   88   71   46   13
33  62   83   96   97   98   89   72   47   14
32  61   82   95  100   99   90   73   48   15
31  60   81   94   93   92   91   74   49   16 
30  59   80   79   78   77   76   75   50   17
29  58   57   56   55   54   53   52   51   18
28  27   26   25   24   23   22   21   20   19  

Source Code

PHP Compiler
<?php $a = []; $low = 0; $high = 9; $n = 1; for($i=0; $i<5; $i++, $low++, $high--) { for($j=$low; $j<=$high; $j++, $n++) $a[$i][$j] = $n; for($j=$low+1; $j<=$high; $j++, $n++) $a[$j][$high] = $n; for($j=$high-1; $j>=$low; $j--, $n++) $a[$high][$j] = $n; for($j=$high-1; $j>$low; $j--, $n++) $a[$j][$low] = $n; } echo "Perfect Square Spiral<br>"; for($i=0; $i<10; $i++) { echo "<br>"; for($j=0; $j<10; $j++) echo "<div>".$a[$i][$j]."</div>"; } echo "<br>"; ?>

Output

1 2 3 4 5 6 7 8 9 10 36 37 38 39 40 41 42 43 44 11 35 64 65 66 67 68 69 70 45 12 34 63 84 85 86 87 88 71 46 13 33 62 83 96 97 98 89 72 47 14 32 61 82 95 100 99 90 73 48 15 31 60 81 94 93 92 91 74 49 16 30 59 80 79 78 77 76 75 50 17 29 58 57 56 55 54 53 52 51 18 28 27 26 25 24 23 22 21 20 19

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