Php separates arrays by a specified number

Php separates arrays by a specified number

/** * Separate arrays by the specified number. * @ Param array $ array the array to be split * @ Param int $ number of groupNum groups */ Public function splitArray ($ array, $ groupNum ){ If (empty ($ array) return array (); // The total length of the array $ AllLength = count ($ array ); // Number $ GroupNum = intval ($ groupNum ); // Start position $ Start = 0; // Number of elements in the divided array $ Enum = (int) ($ allLength/$ groupNum ); // Result set $ Result = array (); If ($ enum> 0 ){ // The part in the score group that can be divided into the number of elements in the array $ FirstLength = $ enum * $ groupNum; $ FirstArray = array (); For ($ I = 0; $ I <$ firstLength; $ I ++ ){ Array_push ($ firstArray, $ array [$ I]); Unset ($ array [$ I]); } For ($ I = 0; $ I <$ groupNum; $ I ++ ){ // Extract elements from the specified starting position and length in the original array and place them in the new array. $ Result [] = array_slice ($ firstArray, $ start, $ enum ); // Add the number of accumulated elements to the start position $ Start + = $ enum; } // Add the remaining part of the array to the first few items of the result set. $ SecondLength = $ allLength-$ firstLength; For ($ I = 0; $ I <$ secondLength; $ I ++ ){ Array_push ($ result [$ I], $ array [$ I + $ firstLength]); } } Else { For ($ I = 0; $ I <$ allLength; $ I ++ ){ $ Result [] = array_slice ($ array, $ I, 1 ); } } Return $ result; }