Array to string conversion - Validation rule for eloquent

Question

I'm trying to validate a field using "in" and then passing an array befored defined. But when creating I get this error

"message": "Array to string conversion",

"exception": "ErrorException",

If I comment out the line where I use the validation, then works. So I'm pretty sure the problem is that.

I've seen another related posts, but they didn't work.

Thank you.

CONST ARRAY_EXAMPLES = [
    'example1'  => 0,
    'example2'  => 1,
    'example3'   => 2,
    'example4'  => 3,
    'example5' => 4,
    'example6'  => 5,
];

protected $fillable = [
    'array_example'
];
'array_example' => 'int|in:' .array_values(self::ARRAY_EXAMPLES)

marv255 · Accepted Answer · 2019-08-01 11:53:17Z

2

When you concatenate two expressions in php both of them are casting to strings. But there is no any built in way to cast array to string. So you can't concatenate string and array here:

'int|in:' .array_values(self::ARRAY_EXAMPLES)

But you can convert array to string by implode:

'int|in:' . implode(',', self::ARRAY_EXAMPLES)

edited Aug 1, 2019 at 11:53

answered Aug 1, 2019 at 11:39

marv255

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