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  • Arrays can be constructed using

array () construct

array operator []

  • print_ r() prints the array data recursively out and can be stored as a string

var_dump( ) prints out the data and data type recursively

var_export() prints out array data recursively as a PHP script

  • array(key = value)   and array[key]=value
  • Merge arrays, e.g., $array3 = $array1 + $array2
  • extract($arr, EXTR_PREFIX_ALL,”prefix” )
  • count ($arr,1) will count recursively the number of elements
  • The array cursors: reset( ), end( ), next( ), and prev( )

IT Notes

by VinodSebastian

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