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Online Sandbox for SQL and PHP: Write, Run, Test, and Share SQL Queries and PHP Code
<?php
$input = [
["id" => "123", "label" => "l1"],
["id" => "321", "label" => "l3"]
];
$result = array_map(function($value) use ($input) {
return sprintf('Key "%s" has value "%s".', key($input), $value);
}, $input);
var_export($result);