[Php function] -- array function -- array_chunk

: This article mainly introduces [php functions] -- array functions -- array_chunk. For more information about PHP tutorials, see. Array_chunk

• Version: >=4.2
• Note:
  array_chunk(array $input, int $size, [, bool $preserve_keys=false])
  This function is used to block arrays. This function can be used when processing data in a logarithm group in batches.
• Parameters
  
  • Input
    The array to be processed.
  • Size
    Array block size
  • Preserve_keys
    Whether to retain the key of the original data. it is not retained by default.
• Example

$ Input = array ("a" => "php", "B" => "c", "c" => "c ++ ", "d" => "python", "e" => "ruby"); $ output = array_chunk ($ input, 2 ); # output => Array ([0] => Array ([0] => php [1] => c) [1] => Array ([0] => c ++ [1] => python) [2] => Array ([0] => ruby )) $ output2 = array_chunk ($ input, 2, true); # output2 => Array ([0] => Array ([a] => php [B] => c) [1] => Array ([c] => c ++ [d] => python) [2] => Array ([e] => ruby )) # note that the keys in the sub-array still retain the keys in the original array

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