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    copied!<p>Here is my function for live editing JSON array with PHP:</p> <pre><code>function editJSON(&amp;$target, &amp;$aimer){ $found = false; $result = 0; foreach($aimer as $ak =&gt; $av){ foreach($target as $tk =&gt; $tv){ if ($tk == $ak){ $found = true; $result = 1; if (is_array($tv) &amp;&amp; is_array($av)) editJSON($target[$tk], $aimer[$ak]); } if (!$found &amp;&amp; is_array($tv)) $result += editJSON($target[$tk], $aimer); } if ($found &amp;&amp; !is_array($av)) $target[$ak] = $av; } return $result; } </code></pre> <p>Its fast and tested:</p> <pre><code>$target = array( 'z'=&gt;array('v'=&gt;1, 'c'=&gt;2, 'g'=&gt;3), 'b'=&gt;array( 'a'=&gt;array( 'b'=&gt;array('g'=&gt;array('c'=&gt;11, 'd'=&gt;13), 'b'=&gt;array('x'=&gt;91, 'y'=&gt;92)), 'e'=&gt;array('m'=&gt;2) ) ), 'd'=&gt;array( 'a'=&gt;array( 'b'=&gt;array('g'=&gt;array('c'=&gt;11, 'd'=&gt;13)) ) ) ); $aimer = array( 'a'=&gt;array( 'b'=&gt;array('g'=&gt;array('c'=&gt;998, 'hh'=&gt;999)) ) ); echo 'Target array:'; echo '&lt;br /&gt;'; print_r($target); echo '&lt;br /&gt;'; echo 'Aiming array:'; echo '&lt;br /&gt;'; print_r($aimer); echo '&lt;br /&gt;'; $result = editJSON($target, $aimer); echo 'Resulting array:'; echo '&lt;br /&gt;'; print_r($target); echo '&lt;br /&gt;'; echo 'JSON has been modified ' . $result . ' times.'; </code></pre> <p>Will output:</p> <p>Target array:</p> <p>Array ( [z] => Array ( [v] => 1 [c] => 2 [g] => 3 ) [b] => Array ( [a] => Array ( [b] => Array ( [g] => Array ( [c] => 11 [d] => 13 ) [b] => Array ( [x] => 91 [y] => 92 ) ) [e] => Array ( [m] => 2 ) ) ) [d] => Array ( [a] => Array ( [b] => Array ( [g] => Array ( [c] => 11 [d] => 13 ) ) ) ) ) </p> <p>Aiming array:</p> <p>Array ( [a] => Array ( [b] => Array ( [g] => Array ( [c] => 998 [hh] => 999 ) ) ) ) </p> <p>Resulting array:</p> <p>Array ( [z] => Array ( [v] => 1 [c] => 2 [g] => 3 ) [b] => Array ( [a] => Array ( [b] => Array ( [g] => Array ( [c] => 998 [d] => 13 [hh] => 999 ) [b] => Array ( [x] => 91 [y] => 92 ) ) [e] => Array ( [m] => 2 ) ) ) [d] => Array ( [a] => Array ( [b] => Array ( [g] => Array ( [c] => 998 [d] => 13 [hh] => 999 ) ) ) ) ) </p> <p>JSON has been modified 2 times.</p> <p>EDIT: Added functionality for adding values to array and counting edits.</p>
 

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