vendor/doctrine/common/lib/Doctrine/Common/Util/Debug.php

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<?php
/*
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * This software consists of voluntary contributions made by many individuals
 * and is licensed under the MIT license. For more information, see
 * <http://www.doctrine-project.org>.
 */

namespace Doctrine\Common\Util;

use Doctrine\Common\Persistence\Proxy;

/**
 * Static class containing most used debug methods.
 *
 * @link   www.doctrine-project.org
 * @since  2.0
 * @author Guilherme Blanco <guilhermeblanco@hotmail.com>
 * @author Jonathan Wage <jonwage@gmail.com>
 * @author Roman Borschel <roman@code-factory.org>
 * @author Giorgio Sironi <piccoloprincipeazzurro@gmail.com>
 */
final class Debug
{
    /**
     * Private constructor (prevents instantiation).
     */
    private function __construct()
    {
    }

    /**
     * Prints a dump of the public, protected and private properties of $var.
     *
     * @link http://xdebug.org/
     *
     * @param mixed   $var       The variable to dump.
     * @param integer $maxDepth  The maximum nesting level for object properties.
     * @param boolean $stripTags Whether output should strip HTML tags.
     */
    public static function dump($var, $maxDepth = 2, $stripTags = true)
    {
        ini_set('html_errors', 'On');

        if (extension_loaded('xdebug')) {
            ini_set('xdebug.var_display_max_depth', $maxDepth);
        }

        $var = self::export($var, $maxDepth++);