Jayfromsandiego Posted September 29, 2019 Share Posted September 29, 2019 Please see the attached file for what I am trying to accomplish. This PHP code is what I have so far .. <?php // display count to values $arr = array('9','2','3','2','1','5'); $result = array_count_values($arr); echo "DIGIT FREQUENCY RESULTS ..<br><br> 0s: $result[0]<br> 1s: $result[1]<br> 2s: $result[2]<br> 3s: $result[3]<br> 4s: $result[4]<br> 5s: $result[5]<br> 6s: $result[6]<br> 7s: $result[7]<br> 8s: $result[8]<br> 9s: $result[9]"; ?> <html> <body> <div> </div> <div> * Need to find out how to count 3-digit number strings inside an array. It currently counts single digits only. </div> </body> </html> Quote Link to comment Share on other sites More sharing options...
Barand Posted September 29, 2019 Share Posted September 29, 2019 (edited) I'd store the input as arrays of 3 digits instead of 3-digit numbers. $input = []; for ($i=0; $i<5; $i++) { $input[] = str_split(sprintf('%03d',mt_rand(1,999)), 1); } Giving... $input Array ( [0] => Array ( [0] => 8 [1] => 5 [2] => 2 ) [1] => Array ( [0] => 3 [1] => 6 [2] => 3 ) [2] => Array ( [0] => 4 [1] => 1 [2] => 1 ) [3] => Array ( [0] => 1 [1] => 5 [2] => 6 ) [4] => Array ( [0] => 7 [1] => 8 [2] => 2 ) ) Then, if you want, you can get the individual positions for counting by using array_column() $p1 = array_column($input, 0); $p2 = array_column($input, 1); $p3 = array_column($input, 2); E.G... $p1 Array ( [0] => 8 [1] => 3 [2] => 4 [3] => 1 [4] => 7 ) Edited September 29, 2019 by Barand Quote Link to comment Share on other sites More sharing options...
Barand Posted September 29, 2019 Share Posted September 29, 2019 Regarding your current code It is going to throw warning notices when the dgits do not appear in the array eg Notice: Undefined offset: 0 Notice: Undefined offset: 4 Notice: Undefined offset: 6 Notice: Undefined offset: 7 Notice: Undefined offset: 8 It is repetetive. The advantage of arrays is they can be used in loops, so your code can be replaced by $arr = array('9','2','3','2','1','5'); $result = array_count_values($arr); echo "DIGIT FREQUENCY RESULTS ..<br><br>"; for ($d=0; $d<10; $d++) { echo "{$d}s : " . ($result[$d] ?? 0) . '<br>'; } Quote Link to comment Share on other sites More sharing options...
Jayfromsandiego Posted September 29, 2019 Author Share Posted September 29, 2019 (edited) Hi Barand. So like this .. but how do I get 3-digit numbers inside the array to work <?php // display count to values $input = []; for ($i=0; $i<5; $i++) { $input[] = str_split(sprintf('%03d',mt_rand(1,999)), 1); } $p1 = array_column($input, 0); $p2 = array_column($input, 1); $p3 = array_column($input, 2); $arr = array(912,296,325,249,125,530); $result = array_count_values($arr); echo "DIGIT FREQUENCY RESULTS ..<br><br>"; for ($d=0; $d<10; $d++) { echo "{$d}s : " . ($result[$d] ?? 0) . '<br>'; } ?> <html> <body> <div> </div> <div> * Need to find out how to count 3-digit number strings inside an array. It currently counts single digits only. </div> </body> </html> Edited September 29, 2019 by Jayfromsandiego Quote Link to comment Share on other sites More sharing options...
Barand Posted September 29, 2019 Share Posted September 29, 2019 Like this... // // Get the input string of comma-separated numbers // explode into an array and trim off any spaces // $input_str = "572, 545, 884, 123, 802, 337, 879, 307, 759, 227, 211, 002, 968, 532, 459, 895, 681, 967, 580, 399, 664, 077, 307, 227, 461, 594, 645, 859, 484, 827, 618, 675, 302, 246, 007, 842, 471, 006, 161, 171"; $input_arr = array_map('trim', explode(',', $input_str)); // // now split each number into a 3-element array // and store in $input // foreach ($input_arr as $n) { $input[] = str_split($n, 1); } Now you have a processable array. You now need an array ($freqs) which contains, for each digit 0-9, an array the counts of that digits in P1, P2 and P3... // // get the counts in each position // $freqs = array_fill_keys(range(0,9), [0,0,0]); for ($pos=0; $pos<3; $pos++) { $digits = array_column($input, $pos); $occurs = array_count_values($digits); foreach ($occurs as $n => $tot) { $freqs[$n][$pos] += $tot; } } You now have all the data that you want to output in your table in the $freqs array. From that input data you should be able to end up with something like this... Quote Link to comment Share on other sites More sharing options...
Jayfromsandiego Posted September 29, 2019 Author Share Posted September 29, 2019 (edited) That looks nice. I was only able to get the Input. I'm trying, <?php // Get the input string of comma-separated numbers // explode into an array and trim off any spaces $input_str = "572, 545, 884, 123, 802, 337, 879, 307, 759, 227, 211, 002, 968, 532, 459, 895, 681, 967, 580, 399, 664, 077, 307, 227, 461, 594, 645, 859, 484, 827, 618, 675, 302, 246, 007, 842, 471, 006, 161, 171"; $input_arr = array_map('trim', explode(',', $input_str)); // now split each number into a 3-element array // and store in $input foreach ($input_arr as $n) { $input[] = str_split($n, 1); } // get the counts in each position $freqs = array_fill_keys(range(0,9), [0,0,0]); for ($pos=0; $pos<3; $pos++) { $digits = array_column($input, $pos); $occurs = array_count_values($digits); foreach ($occurs as $n => $tot) { $freqs[$n][$pos] += $tot; } } ?> <html> <head> <title>Digit Frequency Box</title> </head> <body> <!-- INPUT Table --> <table border="1" width="30%"> <tr><p><b>Input</b></p> <td bgcolor="#F5F5DC"><span style="font-family: verdana,arial,helvetica; font-size: 14px; font-weight: color: #000000;"><?php echo "$input_str"; ?></span></td> </tr> </table> <!-- Digit Frequencies Table --> <table border="1"> <tr><p><b>Digit Frequencies</b></p> <tr><td bgcolor="#00994c"><span style="font-family: verdana,arial,helvetica; font-size: 14px; font-weight: bold; color: #ffffff;">DIGIT</span></td><td bgcolor="#00994c"><span style="font-family: verdana,arial,helvetica; font-size: 14px; font-weight: bold; color: #ffffff;">P1</span></td><td bgcolor="#00994c"><span style="font-family: verdana,arial,helvetica; font-size: 14px; font-weight: bold; color: #ffffff;">P2</span></td><td bgcolor="#00994c"><span style="font-family: verdana,arial,helvetica; font-size: 14px; font-weight: bold; color: #ffffff;">P3</span></td><td bgcolor="#00994c"> </td><td bgcolor="#00994c"><span style="font-family: verdana,arial,helvetica; font-size: 14px; font-weight: bold; color: #ffffff;">DIGIT TOTALS</span></td></tr> <tr><td><b>0</b></td><td> </td><td> </td><td> </td><td> =</td><td> </td></tr> <tr><td><b>1</b></td><td> </td><td> </td><td> </td><td> =</td><td> </td></tr> <tr><td><b>2</b></td><td> </td><td> </td><td> </td><td> =</td><td> </td></tr> <tr><td><b>3</b></td><td> </td><td> </td><td> </td><td> =</td><td> </td></tr> <tr><td><b>4</b></td><td> </td><td> </td><td> </td><td> =</td><td> </td></tr> <tr><td><b>5</b></td><td> </td><td> </td><td> </td><td> =</td><td> </td></tr> <tr><td><b>6</b></td><td> </td><td> </td><td> </td><td> =</td><td> </td></tr> <tr><td><b>7</b></td><td> </td><td> </td><td> </td><td> =</td><td> </td></tr> <tr><td><b>8</b></td><td> </td><td> </td><td> </td><td> =</td><td> </td></tr> <tr><td><b>9</b></td><td> </td><td> </td><td> </td><td> =</td><td> </td></tr> </table> <div> </div> <!-- FINAL DIGIT :: DISTRIBUTION LINE Table --> <table border="1"> <tr><p><b>DISTRIBUTION LINE</b></p> <td bgcolor="#F5F5DC"> <b>?</b> - <b>?</b> - <b>?</b> - <b>?</b> - <b>?</b> - <b>?</b> - <b>?</b> - <b>?</b> - <b>?</b> - <b>?</b> </td> </tr> </table> </body> </html> but I still have no idea how to grab and insert the individual digit data and put it inside PHP echo statements so they appear on the table columns. Edited September 29, 2019 by Jayfromsandiego Quote Link to comment Share on other sites More sharing options...
Barand Posted September 30, 2019 Share Posted September 30, 2019 The $freqs array contains the counts for P1, P2 , P3 for each digit... $freqs = Array ( [0] => Array # digit "0" ( [0] => 4 # P1 [1] => 7 # P2 [2] => 1 # P3 ) [1] => Array ( [0] => 3 [1] => 2 [2] => 6 ) [2] => Array ( [0] => 4 [1] => 4 [2] => 6 ) which, coincidentally, is the same structure as the output table. You now loop through the array and for each digit (row) loop through its array (positions columns) and build the table. // // create frequncy table and calc digit totals // $totals = array_fill_keys(range(0,9), []); $tdata = ''; foreach ($freqs as $n => $occs) { $tdata .= "<tr><td><b>$n</b></td>"; foreach ($occs as $o) { $tdata .= "<td>$o</td>"; } $total = array_sum($occs); $totals[$n] = [$n,$total]; $tdata .= "<td>=</td><td><b>$total</b></td></tr>\n"; } My complete solution... <?php // // Get the input string of comma-separated numbers // explode into an array and trim off any spaces // $input_str = "572, 545, 884, 123, 802, 337, 879, 307, 759, 227, 211, 002, 968, 532, 459, 895, 681, 967, 580, 399, 664, 077, 307, 227, 461, 594, 645, 859, 484, 827, 618, 675, 302, 246, 007, 842, 471, 006, 161, 171"; $input_arr = array_map('trim', explode(',', $input_str)); // // now split each number into a 3-element array // and store in $input // foreach ($input_arr as $n) { $input[] = str_split($n, 1); } // // create output table to display the input numbers // in rows of 10 numbers // $inputdata = ''; $chunks = array_chunk($input_arr, 10); foreach ($chunks as $nums) { $inputdata .= "<tr>"; foreach ($nums as $num) { $inputdata .= "<td>$num</td>"; } $inputdata .= "</tr>\n"; } // // get the counts in each position // $freqs = array_fill_keys(range(0,9), [0,0,0]); for ($pos=0; $pos<3; $pos++) { $digits = array_column($input, $pos); $occurs = array_count_values($digits); foreach ($occurs as $n => $tot) { $freqs[$n][$pos] += $tot; } } // // create frequncy table and calc digit totals // $totals = array_fill_keys(range(0,9), []); $tdata = ''; foreach ($freqs as $n => $occs) { $tdata .= "<tr><td><b>$n</b></td>"; foreach ($occs as $o) { $tdata .= "<td>$o</td>"; } $total = array_sum($occs); $totals[$n] = [$n,$total]; $tdata .= "<td>=</td><td><b>$total</b></td><td>" . bar($total, 30) . "</td></tr>\n"; } // // put digits in frequncy order (highest to lowest) // uasort ($totals, function($a, $b) { $x = $b[1] <=> $a[1]; if ($x == 0) return $a[0] <=> $b[0]; return $x; }); $freqorder = '<b>' . join('</b> – <b>', array_keys($totals)) . "</b>" ; /** * draw bar representing number of occurences * * @param int $val * @param int $max */ function bar($val, $max) { $wid = 200; $ht = 15; $svg = "<svg width='$wid' height='$ht'> <rect x='0' y='0' width='$wid' height='$ht' stroke='#CCC' fill='none'/> "; $pix = $wid/$max; $w = $val * $pix; $svg .= "<rect x='0' y='0' width='$w' height='$ht' fill='#396' stroke='#CCC' />\n"; $svg .= "</svg>\n"; return $svg; } ?> <!DOCTYPE html> <html> <head> <meta http-equiv="content-language" content="en"> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <meta name="generator" content="PhpED 18.0 (Build 18044, 64bit)"> <title>Number frequencies</title> <meta name="creation-date" content="09/29/2019"> <style type="text/css"> table { border-collapse: collapse; font-family: verdana, sans-serif; font-size: 10pt; } th { background-color: #396; color: #FFF; padding: 8px; font-variant: small-caps;} td { text-align: center; padding: 4px 8px; } #league, #inputs { padding: 16px; background-color: #FCF8E8; font-size: 12pt; border: 1px solid gray; display: inline-block; } </style> </head> <body> <h3>Input</h3> <div id="inputs"> <table> <?=$inputdata?> </table> </div> <h3>Digit Frequencies</h3> <table border="1"> <tr><th>Digit</th><th>P1</th><th>P2</th><th>P3</th><th> </th><th>Digit<br>Totals</th></tr> <?=$tdata?> </table> <br> <h3>Digit Frequency League</h3> <div id="league"> <?=$freqorder?> </div> </body> </html> 1 Quote Link to comment Share on other sites More sharing options...
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