oxutilsstring.php

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<?php

class oxUtilsString
{
    private static $_instance = null;

    public function __construct()
    {
    }

    public static function getInstance()
    {
        // disable caching for test modules
        if ( defined( 'OXID_PHP_UNIT' ) ) {
            static $inst = array();
            self::$_instance = $inst[oxClassCacheKey()];
        }

        if ( !self::$_instance instanceof oxUtilsString ) {


            self::$_instance = oxNew( 'oxUtilsString' );

            if ( defined( 'OXID_PHP_UNIT' ) ) {
                $inst[oxClassCacheKey()] = self::$_instance;
            }
        }
        return self::$_instance;
    }


    public function prepareCSVField($sInField)
    {
        $oStr = getStr();
        if ($oStr->strstr($sInField, '"')) {
            return '"'.str_replace('"', '""', $sInField).'"';
        } elseif ($oStr->strstr($sInField, ';')) {
            return '"'.$sInField.'"';
        }
        return $sInField;
    }

    public function minimizeTruncateString( $sString, $iLength )
    {
        //leading and ending whitespaces
        $sString = trim( $sString );

        //multiple whitespaces
        $sString = preg_replace( "/[ \t\n\r]+/", " ", $sString );
        $oStr = getStr();
        if ( $oStr->strlen( $sString ) > $iLength && $iLength != -1 ) {
            $sString = $oStr->substr( $sString, 0, $iLength );
        }

        $sString = preg_replace( "/,+$/", "", $sString );
        return $sString;
    }

    public function prepareStrForSearch($sSearchStr)
    {
        $oStr = getStr();
        if ( $oStr->hasSpecialChars( $sSearchStr ) ) {
            return $oStr->recodeEntities( $sSearchStr, true, array( '&amp;' ), array( '&' ) );
        }

        return '';
    }
}

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