- array_map: documentation ( source)
- var_dump: documentation ( source)
- implode: documentation ( source)
<?php
$list = [];
$list[] = [
"name" => "bill gates",
"os" => "windows"
];
$list[] = [
"name" => "steve jobs",
"os" => "mac"
];
$list[] = [
"name" => "linus torvals",
"os" => "linux"
];
var_dump(implode(', ', (array_map(function ($item) { return implode(' > ',$item); }, $list))));