Array Key Map

Ever wanted to rename array keys to suit your requirements but it will take many lines that results in an ugly code? Here is a clean way to do it

Installation

By Composer: composer require alaa/array-key-map

Documentation

There are three types you can use to map your array keys against the keys you want your array to be mapped with.

1. Simply using an array to map keys

Example

$array = [
    'First Name' => 'John',
    'Last Name' => 'Doe',
    'email' => 'john.doe@example.com',
    'Field Experience' => 10,
    'Current Job' => 'Software Engineer',
    'Department' => 'Web Development'
];

$mappedKeys = [
    'First Name' => 'first_name',
    'Last Name' => 'last_name',
    'Field Experience' => 'experience',
    'Current Job' => 'job',
    'Department' => 'department'
];

$sourceArray = new \ArrayKey\Map\Source\SourceArray($mappedKeys);
$source = new \ArrayKey\Map\Source($sourceArray, $array);
print_r($source->getSourceArray());
//result:
Array
(
    [First Name] => John
    [Last Name] => Doe
    [email] => john.doe@example.com
    [Field Experience] => 10
    [Current Job] => Software Engineer
    [Department] => Web Development
)

print_r($source->getMappedArray());
//result:
Array
(
    [first_name] => John
    [last_name] => Doe
    [email] => john.doe@example.com
    [experience] => 10
    [job] => Software Engineer
    [department] => Web Development
)

2. Csv Mapping to map array keys

Example:

$array = [
    'First Name' => 'John',
    'Last Name' => 'Doe',
    'email' => 'john.doe@example.com',
    'Field Experience' => 10,
    'Current Job' => 'Software Engineer',
    'Department' => 'Web Development'
];

keys.csv
|------------------|------------|
| First Name       | first_name |
|------------------|------------|
| Last Name        | last_name  |
|------------------|------------|
| Field Experience | experience |
|------------------|------------|
| Current Job      | job        |
|------------------|------------|
| Department       | department |
|------------------|------------|

$sourceCsv = new \ArrayKey\Map\Source\SourceCsv(new \ArrayKey\Map\FileValidator(__DIR__ . '/keys.csv'));
$source = new \ArrayKey\Map\Source($sourceCsv, $array);

print_r($source->getSourceArray());
//result:
Array
(
    [First Name] => John
    [Last Name] => Doe
    [email] => john.doe@example.com
    [Field Experience] => 10
    [Current Job] => Software Engineer
    [Department] => Web Development
)

print_r($source->getMappedArray());
//result:
Array
(
    [first_name] => John
    [last_name] => Doe
    [email] => john.doe@example.com
    [experience] => 10
    [job] => Software Engineer
    [department] => Web Development
)

3. Xml Mapping to map array keys

Example:

$array = [
    'First Name' => 'John',
    'Last Name' => 'Doe',
    'email' => 'john.doe@example.com',
    'Field Experience' => 10,
    'Current Job' => 'Software Engineer',
    'Department' => 'Web Development'
];

keys.xml
<?xml version="1.0" encoding="UTF-8" ?>
<array_map>
    <keys>
        <key>
            <origin>First Name</origin>
            <mapped>first_name</mapped>
        </key>
        <key>
            <origin>Last Name</origin>
            <mapped>last_name</mapped>
        </key>
        <key>
            <origin>Field Experience</origin>
            <mapped>experience</mapped>
        </key>
        <key>
            <origin>Current Job</origin>
            <mapped>job</mapped>
        </key>
        <key>
            <origin>Department</origin>
            <mapped>department</mapped>
        </key>
    </keys>
</array_map>

$sourceXml = new \ArrayKey\Map\Source\SourceXml(new \ArrayKey\Map\FileValidator(__DIR__ . '/keys.xml'));
$source = new \ArrayKey\Map\Source($sourceXml, $array);

print_r($source->getSourceArray());
//result:
Array
(
    [First Name] => John
    [Last Name] => Doe
    [email] => john.doe@example.com
    [Field Experience] => 10
    [Current Job] => Software Engineer
    [Department] => Web Development
)

print_r($source->getMappedArray());
//result:
Array
(
    [first_name] => John
    [last_name] => Doe
    [email] => john.doe@example.com
    [experience] => 10
    [job] => Software Engineer
    [department] => Web Development
)

Limitation

The library is made to work on single arrays only, not multidimensional arrays.

LICENSE

MIT