iTop/sources/Core/AttributeDefinition/AttributeTable.php

<?php

class AttributeTable extends AttributeDBField
{
    const SEARCH_WIDGET_TYPE = self::SEARCH_WIDGET_TYPE_RAW;

    /**
     * Useless constructor, but if not present PHP 7.4.0/7.4.1 is crashing :( (N°2329)
     *
     * @see https://www.php.net/manual/fr/language.oop5.decon.php states that child constructor can be ommited
     * @see https://bugs.php.net/bug.php?id=79010 bug solved in PHP 7.4.9
     *
     * @param string $sCode
     * @param array $aParams
     *
     * @throws \Exception
     * @noinspection SenselessProxyMethodInspection
     */
    public function __construct($sCode, $aParams)
    {
        parent::__construct($sCode, $aParams);
    }

    public function GetEditClass()
    {
        return "Table";
    }

    protected function GetSQLCol($bFullSpec = false)
    {
        return "LONGTEXT" . CMDBSource::GetSqlStringColumnDefinition();
    }

    public function GetMaxSize()
    {
        return null;
    }

    public function GetNullValue()
    {
        return array();
    }

    public function IsNull($proposedValue)
    {
        return (count($proposedValue) == 0);
    }

    /**
     * @inheritDoc
     */
    public function HasAValue($proposedValue): bool
    {
        return count($proposedValue) > 0;
    }


    public function GetEditValue($sValue, $oHostObj = null)
    {
        return '';
    }

    // Facilitate things: allow the user to Set the value from a string
    public function MakeRealValue($proposedValue, $oHostObj)
    {
        if (is_null($proposedValue)) {
            return array();
        } else {
            if (!is_array($proposedValue)) {
                return array(0 => array(0 => $proposedValue));
            }
        }

        return $proposedValue;
    }

    public function FromSQLToValue($aCols, $sPrefix = '')
    {
        try {
            $value = @unserialize($aCols[$sPrefix . '']);
            if ($value === false) {
                $value = @json_decode($aCols[$sPrefix . ''], true);
                if (is_null($value)) {
                    $value = false;
                }
            }
            if ($value === false) {
                $value = $this->MakeRealValue($aCols[$sPrefix . ''], null);
            }
        } catch (Exception $e) {
            $value = $this->MakeRealValue($aCols[$sPrefix . ''], null);
        }

        return $value;
    }

    public function GetSQLValues($value)
    {
        $aValues = array();
        try {
            $sSerializedValue = serialize($value);
        } catch (Exception $e) {
            $sSerializedValue = json_encode($value);
        }
        $aValues[$this->Get("sql")] = $sSerializedValue;

        return $aValues;
    }

    public function GetAsHTML($value, $oHostObject = null, $bLocalize = true)
    {
        if (!is_array($value)) {
            throw new CoreException('Expecting an array', array('found' => get_class($value)));
        }
        if (count($value) == 0) {
            return "";
        }

        $sRes = "<TABLE class=\"listResults\">";
        $sRes .= "<TBODY>";
        foreach ($value as $iRow => $aRawData) {
            $sRes .= "<TR>";
            foreach ($aRawData as $iCol => $cell) {
                // Note: avoid the warning in case the cell is made of an array
                $sCell = @Str::pure2html((string)$cell);
                $sCell = str_replace("\n", "<br>\n", $sCell);
                $sRes .= "<TD>$sCell</TD>";
            }
            $sRes .= "</TR>";
        }
        $sRes .= "</TBODY>";
        $sRes .= "</TABLE>";

        return $sRes;
    }

    public function GetAsCSV(
        $sValue, $sSeparator = ',', $sTextQualifier = '"', $oHostObject = null, $bLocalize = true,
        $bConvertToPlainText = false
    )
    {
        // Not implemented
        return '';
    }

    public function GetAsXML($value, $oHostObject = null, $bLocalize = true)
    {
        if (!is_array($value) || count($value) == 0) {
            return "";
        }

        $sRes = "";
        foreach ($value as $iRow => $aRawData) {
            $sRes .= "<row>";
            foreach ($aRawData as $iCol => $cell) {
                $sCell = Str::pure2xml((string)$cell);
                $sRes .= "<cell icol=\"$iCol\">$sCell</cell>";
            }
            $sRes .= "</row>";
        }

        return $sRes;
    }
}