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12 years ago
Walk through nested arrays/objects and utf8 encode all strings.

<?php
// Usage
class Foo {
    public $somevar = 'whoop whoop';
}

$structure = array(
    'object' => (object) array(
        'entry' => 'hello wörld',
        'another_array' => array(
            'string',
            1234,
            'another string'
        )
    ),
    'string' => 'foo',
    'foo_object' => new Foo
);

utf8_encode_deep($structure);

// $structure is now utf8 encoded
print_r($structure);

// The function
function utf8_encode_deep(&$input) {
    if (is_string($input)) {
        $input = utf8_encode($input);
    } else if (is_array($input)) {
        foreach ($input as &$value) {
            utf8_encode_deep($value);
        }

        unset($value);
    } else if (is_object($input)) {
        $vars = array_keys(get_object_vars($input));

        foreach ($vars as $var) {
            utf8_encode_deep($input->$var);
        }
    }
}
?>
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