PHP code example of naril / dbase

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

naril / dbase example snippets

use org\majkel\dbase\Table;

$totalSum = 0;

$dbf = Table::fromFile('some/table.dbf');

foreach ($dbf as $record) {
    // returns all records cription']}\n";

use org\majkel\dbase\Table;

$dbf = Table::fromFile('some/table.dbf');

// fetch first record
$record = $dbf[0];

echo "int  field: {$record->number}\n"; // returns integer
echo "bool field: {$record->boolean}\n"; // returns boolean
echo "date field: {$record->date->format('Y-m-d')}\n"; // return DateTime object
echo "text field: {$record->text}\n"; // returns string
echo "memo field: {$record->memo}\n"; // returns string (not entity id)
echo "memo field id: {$record->getMemoEntryId('memo')}\n"; // returns entity id for memo field `memo`
echo "is record deleted: {$record->isDeleted('memo')}\n"; // returns whether record is deleted

// ... or ...

echo "int  field: {$record['number']}\n"; // returns integer
echo "bool field: {$record['boolean']}\n"; // returns boolean
echo "date field: {$record['date']->format('Y-m-d')}\n"; // return DateTime object
echo "text field: {$record['text']}\n"; // returns string
echo "memo field: {$record['memo']}\n"; // returns string (not entity id)
echo "memo field id: {$record->getMemoEntryId('memo')}\n"; // returns entity id for memo field `memo`
echo "is record deleted: {$record->isDeleted('memo')}\n"; // returns whether record is deleted

// you can loop over fields in the record
foreach ($record as $fieldName => $fieldValue) {
    echo "$fieldName = $fieldValue\n";
}

use org\majkel\dbase\Table;

$dbf = Table::fromFile('some/table.dbf');

// fetch first record
$record = $dbf[0];

$record->number  = 123;
$record->boolean = true;
$record->date    = new DateTime();
$record->text    = 'some text';
$record->memo    = 'some longer text';

// ... or ...

$record['number']  = 123;
$record['boolean'] = true;
$record['date']    = new DateTime();
$record['text']    = 'some text';
$record['memo']    = 'some longer text';

use org\majkel\dbase\Table;

$dbf = Table::fromFile('some/table.dbf');

foreach ($dbf as $record) {
    $record->int_val += 10;
    $dbf->update($record); // header is updated everytime
}

use org\majkel\dbase\Table;

$dbf = Table::fromFile('some/table.dbf');

// delete 7th record
$dbf->delete(6);

// undelete 6th record
$dbf->markDelete(5, false);

use org\majkel\dbase\Table;

$dbf = Table::fromFile('some/table.dbf');

// header is updated. Transaction flag is set
$dbf->beginTransaction();

foreach ($dbf as $record) {
    $record->int_val += 10;
    $dbf->update($record);  // header is not written
}

// duplicate last row
$dbf->insert($record); // header is not written

// header is written, transaction flag is cleared, recond count is updated
$dbf->endTransaction();

use org\majkel\dbase\Builder;
use org\majkel\dbase\Format;
use org\majkel\dbase\Field;

$table = Builder::create()
    ->setFormatType(Format::DBASE3)
    ->addField(Field::create(Field::TYPE_CHARACTER)->setName('str')->setLength(15))
    ->addField(Field::create(Field::TYPE_LOGICAL)->setName('bool'))
    ->addField(Field::create(Field::TYPE_NUMERIC)->setName('num'))
    ->build('destination.dbf');

for ($i = 1; $i <= 3; ++$i) {
    $table->insert([
        'str' => "Str $i",
        'bool' => false,
        'num' => $i,
    ]);
}

use org\majkel\dbase\Builder;
use org\majkel\dbase\filter\TrimFilter;
use your\CurrencyFilter;

$dbf = Table::fromFile('some/table.dbf');
$dbf->getHeader()->getField('price')
    ->addFilter(new TrimFilter())
    ->addFilter(new CurrencyFilter(',', '.'));

foreach ($dbf as $record) {
    // ...
}

use org\majkel\dbase\FilterInterface;
use org\majkel\dbase\Field;

class CurrencyFilter extends FilterInterface
{
    /** @var string */
    private $inputDot;
    /** @var string */
    private $outputDot;

    /**
     * @param string $inputDot
     * @param string $outputDot
     */
    public function __construct($inputDot, $outputDot)
    {
        $this->inputDot = $inputDot;
        $this->outputDot = $outputDot;
    }

    /**
     * From table value to PHP value
     *
     * @param mixed $value
     * @return mixed
     */
    public function toValue($value)
    {
        return str_replace($this->inputDot, $this->outputDot, $value);
    }

    /**
     * From PHP value to table value
     *
     * @param mixed $value
     * @return mixed
     */
    public function fromValue($value)
    {
        return str_replace($this->outputDot, $this->inputDot, $value);
    }

    /**
     * Filter can be applied on string like columns
     *
     * @param integer $type
     * @return boolean
     */
    public function supportsType($type)
    {
        return in_aray($type, [Field::TYPE_CHARACTER, Field::TYPE_MEMO]);
    }
}