Check if the condition is valid
@return boolean
6290
public function isValid()
    {
        $row = $this->getActulRow();
        return ($row[$this->column] > $this->value) ? true : false;
    }
717544
public function valid()
    {
        if ($this->container['characterId'] === null) {
            return false;
        }
        if ($this->container['joinTime'] === null) {
            return false;
        }
        if ($this->container['role'] === null) {
            return false;
        }
        $allowed_values = ["fleet_commander", "wing_commander", "squad_commander", "squad_member"];
        if (!in_array($this->container['role'], $allowed_values)) {
            return false;
        }
        if ($this->container['roleName'] === null) {
            return false;
        }
        if ($this->container['shipTypeId'] === null) {
            return false;
        }
        if ($this->container['solarSystemId'] === null) {
            return false;
        }
        if ($this->container['squadId'] === null) {
            return false;
        }
        if ($this->container['takesFleetWarp'] === null) {
            return false;
        }
        if ($this->container['wingId'] === null) {
            return false;
        }
        return true;
    }
540693
public function valid()
    {

        $allowedValues = $this->getStatusAllowableValues();
        if (!in_array($this->container['status'], $allowedValues)) {
            return false;
        }
        return true;
    }
820070
public function valid()
    {

        $allowedValues = $this->getStateAllowableValues();
        if (!in_array($this->container['state'], $allowedValues)) {
            return false;
        }
        return true;
    }
349324
public function valid()
    {
        return $this->isValidKey($this->currentKey) ? array_key_exists($this->currentKey, $this->items) : false;
    }
926865
public function isValid() {
		
		$valid = TRUE;
		
		foreach ($this->controls as $control) {
			
			if (!$control->validate()) {
				$valid = FALSE;
			}
			
		}
		
		return $valid;
		
	}
1005075
public function valid()
  {

    $allowedValues = $this->getNameAllowableValues();
    if (!in_array($this->container['name'], $allowedValues)) {
      return false;
    }
    return true;
  }
1177560
public function isValid(): bool
    {
        $uris = [];
        foreach ($this->members as $member) {
            $uri = $member->uri;
            if ($uri) {
                if (isset($uris[$uri])) {
                    return false;
                } else {
                    $uris[$uri] = true;
                }
            }
        }
        return true;
    }
1254250
public function valid(): bool
    {
        if ($this->cacheEntriesIterator === null) {
            $this->rewind();
        }
        return $this->cacheEntriesIterator->valid();
    }
1231610
public function valid() 
    {
        if (false === isset($this->iterators[$this->index])) {
            return false;
        }

        return $this->iterators[$this->index]->valid();
    }
1019249
public function valid()
    {
        if (!isset($this->_results[$this->key()])) {
            return false;
        }

        $this->_current = $this->_results[$this->key()];

        return true;
    }
394040
public function valid()
	{
		if( $this->next() )
			return TRUE;
		if( is_resource( $this->filePointer ) )
			fclose( $this->filePointer );
		return FALSE;
	}
361973
public function is_valid() {
        $ret = false;

        if (is_null($this->masterName) === false && is_null($this->fromName) === false &&
            is_null($this->fromDomain) === false && is_null($this->division) === false &&
            is_null($this->encoding) === false && is_null($this->subject) === false &&
            is_null($this->deliveryType) === false && is_null($this->friendlyFrom) === false &&
            is_null($this->description) === false && is_null($this->campaign) === false
        ) {
            $ret = true;
        }

        return $ret;
    }
194443
public function valid()
    {
        if ($this->_buffer->offsetExists($this->_index)) {
            $current = $this->_buffer->offsetGet($this->_index);
            $this->_current = $current['value'];
            $this->_key = $current['key'];

            return true;
        }

        $valid = parent::valid();

        if ($valid) {
            $this->_current = parent::current();
            $this->_key = parent::key();
            $this->_buffer->push([
                'key' => $this->_key,
                'value' => $this->_current
            ]);
        }

        $this->_finished = !$valid;

        return $valid;
    }
1259208
public function valid()
    {

        if ($this->container['date'] === null) {
            return false;
        }
        if ($this->container['refId'] === null) {
            return false;
        }
        if ($this->container['refType'] === null) {
            return false;
        }
        $allowedValues = $this->getRefTypeAllowableValues();
        if (!in_array($this->container['refType'], $allowedValues)) {
            return false;
        }
        $allowedValues = $this->getFirstPartyTypeAllowableValues();
        if (!in_array($this->container['firstPartyType'], $allowedValues)) {
            return false;
        }
        $allowedValues = $this->getSecondPartyTypeAllowableValues();
        if (!in_array($this->container['secondPartyType'], $allowedValues)) {
            return false;
        }
        return true;
    }
222468
public function isValid() : bool
    {
        if (false === $this->validated) {
            $this->validate();
        }
        return (count($this->validation_errors) === 0);
    }
1294567
public function isValid()
    {
        $valid = true;
        foreach ($this->_errors as $input => $message) {
            foreach ($message as $item) {
                if (!empty($item)) {
                    $valid = false;
                }
            }
        }

        foreach ($this->_input as $key => $value) {
            \Session::delete('input.'.$key);
        }

        return $valid;
    }