an better way to do this code

an better way to do this code

myarray[] = $my[$addintomtarray]    //52 elements    for ($k=0; $k <= 12; $k++){        echo  $myarray[$k].' ';    }    echo '
';     for ($k=13; $k < 26; $k++){        echo  $myarray[$k].' ';    }    echo '
';     for ($k=26; $k < 39; $k++){        echo  $myarray[$k].' ';    }    echo '
';    for ($k=39; $k <= 51; $k++){        echo  $myarray[$k].' ';    }     

how to shorten this array code...all I am doing here is splitting an array of 52 elements into 4 chunck of 13 elements each. In addition I am adding formation with br and space

thanks

Answer by R Samuel Klatchko for an better way to do this code

Use the modulus operator (%) to know when you are at a multiple of 13:

for ($k=0; $k <= 51; $k++){        echo  $myarray[$k].' ';      if (($k > 0) && (($k % 13) === 0)) {          echo '
';      }  }   

Answer by Jan Kuboschek for an better way to do this code

Loop through all elements in one loop. Use a % comparison conditionally.

~Edit~ See Mr. Klatchko's code below.

Answer by Kerry Jones for an better way to do this code

You definitely don't need to do that many for

loops:

$myarray[] = $my[$addintomtarray];  //52 elements    $i = 1;  foreach( $myarray as $v ){      echo "$v ";        if( 0 == $i % 13 )          echo '
';        $i++;  }    

Answer by radicalmatt for an better way to do this code

A better way to do this might be to use the array_slice function.

From the docs:

array array_slice ( array $array , int $offset [, int $length [, bool $preserve_keys = false ]] )  

"array_slice() returns the sequence of elements from the array array as specified by the offset and length parameters."

Answer by strager for an better way to do this code

I came up with this this idiom just yesterday to prevent flooding by my web crawler.

$myarray[] = $my[$addintomtarray]      // ...    // NOTE: This modifies $myarray!  Make a copy of it first if you  // need to (e.g. by making this its own function and passing by-value).    while(($line = array_splice($myarray, 0, 13))) {      echo implode(' ', $line);        if(count($myarray) !== 0) {          echo '
';      }  }  

Answer by Rob Wilkerson for an better way to do this code

I've always preferred to use array_chunk(). Once I get the array distributed in its raw form, I can display it any way I want.

array_chunk( $myarray, 13 );  

Now you have a 4 element array, each element of which contains a 13 element array. A simple nested loop will allow you to iterate and display in whatever manner you choose.

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