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Online Sandbox for SQL and PHP: Write, Run, Test, and Share SQL Queries and PHP Code
<?php
$arr = [
'name' => [
'family' => 'family',
'friends' => 'friends'
],
'color' => [
'red' => 'red',
'blue' => 'blue'
]
];
// convert array to apopriate form
$res = array_combine(
array_values($arr['name']),
array_values($arr['color']),
);
print_r($res);
foreach($res as $name=>$color) {
printf('<option name="chapter" style="color:%s" class="user-chapters" >%s</option>'.PHP_EOL, $color, $name);
}