CSV validator library.
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<?php
use Deblan\Csv\CsvParser;
use Deblan\CsvValidator\Validator;
use Symfony\Component\Validator\Constraints\Email;
use Symfony\Component\Validator\Constraints\Date;
use Symfony\Component\Validator\Constraints\Callback;
use Symfony\Component\Validator\Context\ExecutionContextInterface;
require __DIR__.'/vendor/autoload.php';
// Initialisation of the validator
$validator = new Validator();
// The first field must contain an email
$validator->addFieldConstraint(0, new Email());
// The second field must contain a date
$validator->addFieldConstraint(1, new Date());
// Validate the legend
$validator->setExpectedHeaders(['foo', 'bar', 'bim']);
// An line must contain 3 columns
$validator->addDataConstraint(new Callback(function ($data, ExecutionContextInterface $context) {
if (count($data) !== 6) { // 6 because of the legend (3 fields * 2)
$context->addViolation('The line must contain 3 columns');
}
}));
// Initialisation of the parser
$parser = new CsvParser();
$parser->setHasHeaders(true);
$validator->validate($parser->parseFile(__DIR__.'/tests/fixtures/example.csv'));
if ($validator->isValid() === false) {
foreach ($validator->getErrors() as $error) {
$line = $error->getLine();
$column = $error->getColumn();
$message = $error->getViolation()->getMessage();
echo <<<EOF
<ul>
<li>Line: $line</li>
<li>Column: $column</li>
<li>
<p>$message</p>
</li>
</ul>
EOF;
}
}