array_replace_recursive(3) [php man page]

ARRAY_REPLACE_RECURSIVE(3)						 1						ARRAY_REPLACE_RECURSIVE(3)

array_replace_recursive - Replaces elements from passed arrays into the first array recursively

SYNOPSIS

       array array_replace_recursive (array  $array1, array  $array2, [array  $...])

DESCRIPTION

       array_replace_recursive(3) replaces the values of $array1 with the same values from all the following arrays. If a key from the first array
       exists in the second array, its value will be replaced by the value from the second array. If the key exists in the second array,  and  not
       the  first,  it	will  be created in the first array. If a key only exists in the first array, it will be left as is. If several arrays are
       passed for replacement, they will be processed in order, the later array overwriting the previous values.

       array_replace_recursive(3) is recursive : it will recurse into arrays and apply the same process to the inner value.

	When the value in $array1 is scalar, it will be replaced by the value in $array2, may it be scalar or array. When the value in $array1 and
       $array2 are both arrays, array_replace_recursive(3) will replace their respective value recursively.

PARAMETERS

	      o $array1
		- The array in which elements are replaced.

	      o $array2
		- The array from which elements will be extracted.

	      o $...
		- Optional. More arrays from which elements will be extracted.

RETURN VALUES

	Returns an array, or NULL if an error occurs.

EXAMPLES

       Example #1

	      array_replace_recursive(3) example

	      <?php
	      $base = array('citrus' => array( "orange") , 'berries' => array("blackberry", "raspberry"), );
	      $replacements = array('citrus' => array('pineapple'), 'berries' => array('blueberry'));

	      $basket = array_replace_recursive($base, $replacements);
	      print_r($basket);

	      $basket = array_replace($base, $replacements);
	      print_r($basket);
	      ?>

	      The above example will output:

	      Array
	      (
		  [citrus] => Array
		      (
			  [0] => pineapple
		      )

		  [berries] => Array
		      (
			  [0] => blueberry
			  [1] => raspberry
		      )

	      )
	      Array
	      (
		  [citrus] => Array
		      (
			  [0] => pineapple
		      )

		  [berries] => Array
		      (
			  [0] => blueberry
		      )

	      )

       Example #2

	      array_replace_recursive(3) and recursive behavior

	      <?php
	      $base = array('citrus' => array("orange") , 'berries' => array("blackberry", "raspberry"), 'others' => 'banana' );
	      $replacements = array('citrus' => 'pineapple', 'berries' => array('blueberry'), 'others' => array('litchis'));
	      $replacements2 = array('citrus' => array('pineapple'), 'berries' => array('blueberry'), 'others' => 'litchis');

	      $basket = array_replace_recursive($base, $replacements, $replacements2);
	      print_r($basket);

	      ?>

	      The above example will output:

	      Array
	      (
		  [citrus] => Array
		      (
			  [0] => pineapple
		      )

		  [berries] => Array
		      (
			  [0] => blueberry
			  [1] => raspberry
		      )

		  [others] => litchis
	      )

SEE ALSO

       array_replace(3), array_merge_recursive(3).

PHP Documentation Group 												ARRAY_REPLACE_RECURSIVE(3)

Check Out this Related Man Page

ARRAY_MERGE(3)								 1							    ARRAY_MERGE(3)

array_merge - Merge one or more arrays

SYNOPSIS

       array array_merge (array  $array1, [array  $...])

DESCRIPTION

	Merges	the  elements of one or more arrays together so that the values of one are appended to the end of the previous one. It returns the
       resulting array.

	If the input arrays have the same string keys, then the later value for that key will overwrite the previous one. If, however, the  arrays
       contain numeric keys, the later value will not overwrite the original value, but will be appended.

	Values in the input array with numeric keys will be renumbered with incrementing keys starting from zero in the result array.

PARAMETERS

	      o $array1
		- Initial array to merge.

	      o $...
		- Variable list of arrays to merge.

RETURN VALUES

	Returns the resulting array.

EXAMPLES

       Example #1

	      array_merge(3) example

	      <?php
	      $array1 = array("color" => "red", 2, 4);
	      $array2 = array("a", "b", "color" => "green", "shape" => "trapezoid", 4);
	      $result = array_merge($array1, $array2);
	      print_r($result);
	      ?>

	      The above example will output:

	      Array
	      (
		  [color] => green
		  [0] => 2
		  [1] => 4
		  [2] => a
		  [3] => b
		  [shape] => trapezoid
		  [4] => 4
	      )

       Example #2

	      Simple array_merge(3) example

	      <?php
	      $array1 = array();
	      $array2 = array(1 => "data");
	      $result = array_merge($array1, $array2);
	      ?>

	       Don't forget that numeric keys will be renumbered!

	      Array
	      (
		  [0] => data
	      )

	       If  you	want  to  append array elements from the second array to the first array while not overwriting the elements from the first
	      array and not re-indexing, use the + array union operator:

	      <?php
	      $array1 = array(0 => 'zero_a', 2 => 'two_a', 3 => 'three_a');
	      $array2 = array(1 => 'one_b', 3 => 'three_b', 4 => 'four_b');
	      $result = $array1 + $array2;
	      var_dump($result);
	      ?>

	       The keys from the first array will be preserved. If an array key exists in both arrays, then the element from the first array  will
	      be used and the matching key's element from the second array will be ignored.

	      array(5) {
		[0]=>
		string(6) "zero_a"
		[2]=>
		string(5) "two_a"
		[3]=>
		string(7) "three_a"
		[1]=>
		string(5) "one_b"
		[4]=>
		string(6) "four_b"
	      }

       Example #3

	      array_merge(3) with non-array types

	      <?php
	      $beginning = 'foo';
	      $end = array(1 => 'bar');
	      $result = array_merge((array)$beginning, (array)$end);
	      print_r($result);
	      ?>

	      The above example will output:

	      Array
		  (
		      [0] => foo
		      [1] => bar
		  )

SEE ALSO

       array_merge_recursive(3), array_replace(3), array_combine(3), array operators.

PHP Documentation Group 													    ARRAY_MERGE(3)

Linux and UNIX Man Pages

array_replace_recursive(3) [php man page]

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