14 lines
201 B
PHP
14 lines
201 B
PHP
--FILE--
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<?php
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require 'vendor/autoload.php';
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use Respect\Validation\Validator as v;
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v::optional(v::alpha())->assert('');
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v::optional(v::alpha())->assert(null);
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?>
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===DONE===
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--EXPECTF--
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===DONE===
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