What are some common methods to replace values in an array with values from another array in PHP?

One common method to replace values in an array with values from another array in PHP is to use a loop to iterate through the array and replace the values based on their keys. Another method is to use array_map() function along with a custom callback function to replace the values. Additionally, you can use array_combine() function to combine two arrays into a single associative array and then merge them accordingly. 

// Method 1: Using a loop to replace values based on keys
$array1 = [1, 2, 3, 4];
$array2 = [5, 6, 7, 8];

foreach($array1 as $key => $value) {
    $array1[$key] = $array2[$key];
}

print_r($array1);

// Method 2: Using array_map() with a custom callback function
$array1 = [1, 2, 3, 4];
$array2 = [5, 6, 7, 8];

$array1 = array_map(function($value1, $value2) {
    return $value2;
}, $array1, $array2);

print_r($array1);

// Method 3: Using array_combine() and array_merge()
$array1 = [1, 2, 3, 4];
$array2 = [5, 6, 7, 8];

$combinedArray = array_combine(array_keys($array1), $array2);
$array1 = array_merge($array1, $combinedArray);

print_r($array1);

Keywords

PHP array replace values method

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