35 lines
817 B
PHP
35 lines
817 B
PHP
<?php
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namespace App\Rules;
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use Closure;
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use Illuminate\Contracts\Validation\ValidationRule;
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class ValidDnsServers implements ValidationRule
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{
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public function validate(string $attribute, mixed $value, Closure $fail): void
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{
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if (empty($value)) {
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return;
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}
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$entries = explode(',', $value);
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$invalidEntries = [];
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foreach ($entries as $entry) {
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$entry = trim($entry);
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if (empty($entry)) {
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continue;
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}
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if (! filter_var($entry, FILTER_VALIDATE_IP)) {
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$invalidEntries[] = $entry;
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}
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}
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if (! empty($invalidEntries)) {
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$fail('The following entries are not valid DNS server IP addresses: '.implode(', ', $invalidEntries));
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}
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}
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}
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