Created
February 28, 2012 01:47
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PHP test array example...
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<?php | |
/** | |
* Inserts values into an array after a given key. | |
* | |
* Values from $insert are inserted after (or before) $key in $array. If $key | |
* is not found, $insert is appended to $array using array_merge(). | |
* | |
* @param $array | |
* The array to insert into. Passed by reference and altered in place. | |
* @param $key | |
* The key of $array to insert after. | |
* @param $insert | |
* An array whose values should be inserted. | |
* @param $before | |
* If TRUE, insert before the given key, rather than after it. | |
* Defaults to inserting after. | |
* @author: Shawn M. | |
* @link: http://marc.info/?l=php-general&m=133044704602038&w=2 | |
*/ | |
function array_insert(&$array, $key = '', $insert, $before = FALSE) { | |
if (is_array($array)) { // Overkill? | |
if (array_key_exists($key, $array)) { | |
$i = 0; | |
foreach($array as $k => $v) { | |
if($k === $key) { | |
$p = ($before) ? $i - 1 : $i + 1; | |
break; | |
} | |
$i++; | |
} | |
$array = array_merge(array_slice($array, 0, $p), $insert, array_slice($array, $p, count($array) - $p)); | |
} else { | |
$array = array_merge($array, $insert); | |
} | |
} | |
} |
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<?php | |
ini_set('display_errors', 1); | |
error_reporting(E_ALL); | |
header('Content-Type:text/plain'); | |
$o_insert['new'] = array( | |
'mickey' => 'mouse', | |
'minnie' => 'mouse', | |
'donald' => 'ducks', | |
'daffy' => 'duck', | |
); | |
$o = array( | |
'animals' => array( | |
'dogs' => 'bark', | |
'cats' => array ( | |
'sound1' => 'pur', | |
'sound2' => 'meow', | |
), | |
), | |
'misc' => array( | |
'baz' => array( | |
'fun' => 'times', | |
'good' => 'days', | |
'almost' => 'over', | |
), | |
'foo' => array( | |
'what' => 'tf', | |
'this' => 'is it', | |
'bah' => 'humbug', | |
), | |
# | |
# | |
# -----> I want to insert $o_insert here! <----- | |
# | |
# | |
'bar' => array( | |
'who' => array( | |
'deep' => array( | |
'here' => 'goodbye', | |
), | |
), | |
), | |
), | |
'materials' => array( | |
'car' => 'mazda', | |
'house' => array( | |
'stories' => 2, | |
'beds' => 3, | |
'baths' => 2, | |
), | |
), | |
'work' => array( | |
'company' => 'Acme Inc.', | |
'management' => array( | |
'boss' => 'billy', | |
'ceo' => 'suzy', | |
'cfo' => 'betty', | |
), | |
), | |
); | |
# I've tried both: | |
# | |
# http://eosrei.net/articles/2011/11/php-arrayinsertafter-arrayinsertbefore | |
# http://drupal.org/node/66183 | |
# | |
/** | |
* Inserts values into an array after a given key. | |
* | |
* Values from $insert_array are inserted after (or before) $key in $array. If | |
* $key is not found, $insert_array is appended to $array using array_merge(). | |
* | |
* @param $array | |
* The array to insert into. Passed by reference and altered in place. | |
* @param $key | |
* The key of $array to insert after | |
* @param $insert_array | |
* An array whose values should be inserted. | |
* @param $before | |
* If TRUE, insert before the given key, rather than after it. | |
* Defaults to inserting after. | |
*/ | |
function array_insert(&$array, $key, $insert_array, $before = FALSE) { | |
$done = FALSE; | |
foreach ($array as $array_key => $array_val) { | |
if (!$before) { | |
$new_array[$array_key] = $array_val; | |
} | |
if ($array_key == $key && !$done) { | |
foreach ($insert_array as $insert_array_key => $insert_array_val) { | |
$new_array[$insert_array_key] = $insert_array_val; | |
} | |
$done = TRUE; | |
} | |
if ($before) { | |
$new_array[$array_key] = $array_val; | |
} | |
} | |
if (!$done) { | |
$new_array = array_merge($array, $insert_array); | |
} | |
// Put the new array in the place of the original. | |
$array = $new_array; | |
} | |
$o_key = $o['misc']; | |
array_insert($o_key, 'foo', $o_insert); | |
$o['misc'] = $o_key; | |
print_r($o); |
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