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I like to learn how to combine two associative array which has same keys but different values like how we do in jQuery with var options = $.extend(defaults, options);
$first = array("name"=>"John","last_name"=>"McDonald","City"=>"World"); //default values
$second = array("name"=>"Michael","last_name"=>"Jackson"); //user provided
$result = combine($first,$second);
//output array("name"=>"Michael","last_name"=>"Jackson","City"=>"World");
I am looking for something built-in instead of writing a entire new function to provide this feature. Of course if you have something neat, just let me know.
Thanks...
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How do you replace an array element with another array element? An item can be replaced in an array using two approaches: Method 1: Using splice() method. Method 2: Using array map() and filter() methods.
Since you cannot change the size of an array at run-time. you have to do something else. It is not possible to advise because that "something" will depend on what you are trying to achieve. So ask a question about a concrete example where you need to do this.
array_replace() replaces the values of array with values having the same keys in each of 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.
The array_replace() function replaces the values of the first array with the values from following arrays. Tip: You can assign one array to the function, or as many as you like. If a key from array1 exists in array2, values from array1 will be replaced by the values from array2.
$result = array_merge($first, $second);
As long as you're dealing with string keys, array_merge does exactly what you want. The two arrays are combined, and where the two have the same keys, the values from $second overwrite the values from $first.
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array_merge()
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