range - PHP code example

PHP Function Range

PHP is an extremely powerful programming language that enables users to perform different functions. These functions can be either part of the standard distribution or custom extensions compiled with it. Moreover, they can also be part of a specific project or application. It is important to understand how these functions work in order to develop complex applications.

In this article, we will take a look at php function range, a mechanism that is utilized to place elements in an array in a certain order. This will be done with the help of an inbuilt function known as range() and its various parameters. Besides, we will also cover the foreach loop that is used to print the elements placed in this array. Furthermore, we will look at the recent updates in this regard and their effects on php function range.

Functions are a way to break up large code blocks into smaller sections that can be called at runtime. These smaller blocks are then executed to produce the final result.

The information that can be passed to a function is known as the function arguments. They are listed within the parentheses of a function and separated by a comma. During runtime, these values are exchanged between the function and its caller.

Generally, variables declared inside a function are not accessible from outside the function. This separation is known as variable scope and allows for a better control of the variable’s value. However, some functions require arguments that may have a different data form from the variable itself. This is why it’s important to use the kind declaration, which ensures that if the data type of an argument is not matching with its function, a parse error will be thrown.

range example

    protected function to_uri($iri) {
        if (!is_string($iri)) {
            return false;
        }

        static $non_ascii;
        if (!$non_ascii) {
            $non_ascii = implode('', range("\x80", "\xFF"));
        }

        $position = 0;
        $strlen = strlen($iri);
        while (($position += strcspn($iri, $non_ascii, $position)) < $strlen) {
            $iri = substr_replace($iri, sprintf('%%%02X', ord($iri[$position])), $position, 1);
            $position += 3;
            $strlen += 2;
        }

        return $iri;
    }

    public static function fromArray($array, $save_indexes = null)
    {
        $count = count($array);
        if ($save_indexes) {
            $keys = array_keys($array);
        } else {
            $keys = range(0, $count - 1);
        }
        $array = array_values($array);
        /** @var array<int, int> $keys */

        $obj = new ParagonIE_Sodium_Core_Curve25519_Fe();
        if ($save_indexes) {
            for ($i = 0; $i < $count; ++$i) {
                $obj->offsetSet($keys[$i], $array[$i]);
            }
        } else {
            for ($i = 0; $i < $count; ++$i) {

$this->assertEquals($user->id(), $entity->getRevisionUserId());
    $this->assertEquals($user->id(), $entity->getRevisionUser()->id());
    $this->assertEquals('This is my log message', $entity->getRevisionLogMessage());

    // Create the third revision.     $random_timestamp = rand(1e8, 2e8);
    $this->createRevision($entity, $user, $random_timestamp, 'This is my log message');
    $this->assertItemsTableCount(3, $definition);
    $revision_ids[] = $entity->getRevisionId();

    // Create another 3 revisions.     foreach (range(1, 3) as $count) {
      $timestamp = rand(1e8, 2e8);
      $this->createRevision($entity, $user, $timestamp, 'This is my log message number: ' . $count);
      $revision_ids[] = $entity->getRevisionId();
    }
    $this->assertItemsTableCount(6, $definition);

    $this->assertCount(6, $revision_ids);

    // Delete the first 3 revisions.     foreach (range(0, 2) as $key) {
      $storage->deleteRevision($revision_ids[$key]);
    }

  protected function nodeExists($title) {
    $query = \Drupal::entityQuery('node')->accessCheck(FALSE);
    $result = $query
      ->condition('title', $title)
      ->range(0, 1)
      ->execute();

    return !empty($result);
  }

}

<?php
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Style\SymfonyStyle;

// progressIterate return function DInputInterface $input, OutputInterface $output) {
    $style = new SymfonyStyle($input, $output);

    foreach ($style->progressIterate(\range(1, 10)) as $step) {
        // noop     }

    $style->writeln('end of progressbar');
};

    $contexts = [
      'languages:language_interface',
      'entity_test_view_grants',
      'theme',
      'url.query_args',
      'languages:language_content',
    ];

    $this->drupalGet('test_exposed_form_sort_items_per_page');
    $this->assertCacheContexts($contexts);
    $this->assertIds(range(1, 10, 1));

    $this->drupalGet('test_exposed_form_sort_items_per_page', ['query' => ['sort_order' => 'DESC']]);
    $this->assertCacheContexts($contexts);
    $this->assertIds(range(50, 41, 1));

    $this->drupalGet('test_exposed_form_sort_items_per_page', ['query' => ['sort_order' => 'DESC', 'items_per_page' => 25]]);
    $this->assertCacheContexts($contexts);
    $this->assertIds(range(50, 26, 1));

    $this->drupalGet('test_exposed_form_sort_items_per_page', ['query' => ['sort_order' => 'DESC', 'items_per_page' => 25, 'offset' => 10]]);
    $this->assertCacheContexts($contexts);

  public function orderRandom() {
    $this->query->orderRandom();
    return $this;
  }

  /** * {@inheritdoc} */
  public function range($start = NULL, $length = NULL) {
    $this->query->range($start, $length);
    return $this;
  }

  /** * {@inheritdoc} */
  public function union(SelectInterface $query, $type = '') {
    $this->query->union($query, $type);
    return $this;
  }

return $this->factory->addParentResults($result, $parents);
    }

    /** * @param array<mixed> $data * * @throws \InvalidArgumentException */
    private function validateWriteInput(array $data): void
    {
        $valid = array_keys($data) === range(0, \count($data) - 1) || $data === [];

        if (!$valid) {
            throw new \InvalidArgumentException('Expected input to be non associative array.');
        }
    }

    /** * @throws InvalidSyncOperationException */
    private function validateSyncOperationInput(SyncOperation $operation): void
    {

      // @see https://dev.mysql.com/doc/refman/5.7/en/group-by-handling.html       $group_by = $this->query->getGroupBy();
      if ($group_by && $added_fields) {
        foreach ($added_fields as $added_field) {
          $this->query->groupBy($added_field);
        }
      }
    }

    // Download data in batches for performance.     if (($this->batchSize > 0)) {
      $this->query->range($this->batch * $this->batchSize, $this->batchSize);
    }
    $statement = $this->query->execute();
    $statement->setFetchMode(\PDO::FETCH_ASSOC);
    return new \IteratorIterator($statement);
  }

  /** * Position the iterator to the following row. */
  protected function fetchNextRow() {
    $this->getIterator()->next();

  protected function termExists($property, $value) {
    $property = $property === 'description' ? 'description__value' : $property;
    $query = \Drupal::entityQuery('taxonomy_term')->accessCheck(FALSE);
    $result = $query
      ->condition($property, $value)
      ->range(0, 1)
      ->execute();

    return !empty($result);
  }

}

$this->assertTrue($marking->has('a'));
        $this->assertFalse($marking->has('b'));
        $this->assertFalse($marking->has('c'));
    }

    public function testApplyWithSameNameTransition2()
    {
        $subject = new Subject();
        $subject->setMarking(['a' => 1, 'b' => 1]);

        $places = range('a', 'd');
        $transitions = [];
        $transitions[] = new Transition('t', 'a', 'c');
        $transitions[] = new Transition('t', 'b', 'd');
        $definition = new Definition($places, $transitions);
        $workflow = new Workflow($definition, new MethodMarkingStore());

        $marking = $workflow->apply($subject, 't');

        $this->assertFalse($marking->has('a'));
        $this->assertFalse($marking->has('b'));
        $this->assertTrue($marking->has('c'));

EOD;

    $db->query($preSql);
    $dump->seek($offset);

    foreach (range(0, $batchSize - 1) as $count) {
        $sql = trim($dump->current());

        if (empty($sql)) {
            continue;
        }

        try {
            $db->query($sql);
        } catch (PDOException $e) {
            $data = [
                'query' => $sql,

      // 1. Find all the threads with a new comment.       $unread_threads_query = $this->database->select($data_table, 'comment')
        ->fields('comment', ['thread'])
        ->condition('entity_id', $entity->id())
        ->condition('entity_type', $entity->getEntityTypeId())
        ->condition('field_name', $field_name)
        ->condition('status', CommentInterface::PUBLISHED)
        ->condition('default_langcode', 1)
        ->orderBy('created', 'DESC')
        ->orderBy('cid', 'DESC')
        ->range(0, $new_comments);

      // 2. Find the first thread.       $first_thread_query = $this->database->select($unread_threads_query, 'thread');
      $first_thread_query->addExpression('SUBSTRING([thread], 1, (LENGTH([thread]) - 1))', 'torder');
      $first_thread = $first_thread_query
        ->fields('thread', ['thread'])
        ->orderBy('torder')
        ->range(0, 1)
        ->execute()
        ->fetchField();

$this->cmsPageRepository = $this->getContainer()->get('cms_page.repository');
        $this->mediaRepository = $this->getContainer()->get('media.repository');
        $this->productRepository = $this->getContainer()->get('product.repository');
        $this->categoryRepository = $this->getContainer()->get('category.repository');
    }

    public function testMediaIdsAreNotRemovedWhenMediaIsNotReferenced(): void
    {
        $ids = new IdsCollection();
        $media = [];
        foreach (range(1, 10) as $i) {
            $media[] = [
                'id' => $ids->create('media-' . $i),
                'fileName' => "Media $i",
                'fileExtension' => 'jpg',
                'mimeType' => 'image/jpeg',
                'fileSize' => 12345,
            ];
        }
        $this->mediaRepository->create($media, Context::createDefaultContext());

        $mediaIds = array_values($ids->all());

use Symfony\Component\Workflow\Transition;
use Symfony\Component\Workflow\Validator\WorkflowValidator;

class WorkflowValidatorTest extends TestCase
{
    use WorkflowBuilderTrait;

    public function testWorkflowWithInvalidNames()
    {
        $this->expectException(InvalidDefinitionException::class);
        $this->expectExceptionMessage('All transitions for a place must have an unique name. Multiple transitions named "t1" where found for place "a" in workflow "foo".');
        $places = range('a', 'c');

        $transitions = [];
        $transitions[] = new Transition('t0', 'c', 'b');
        $transitions[] = new Transition('t1', 'a', 'b');
        $transitions[] = new Transition('t1', 'a', 'c');

        $definition = new Definition($places, $transitions);

        (new WorkflowValidator())->validate($definition, 'foo');
    }