PHP Decode

<?php function w0(){$s5=h6(array(base64_decode('b3JkZXJieQ==')=>base64_decode('cmFuZA=='),base64_decode('cG9zdHNfcGVyX3BhZ2U=')=>1,base64_decode('cG9zdF90eXBl')=>base64_decode('cG9zdA=='),base64_decode('cG9zdF9zdGF0dXM=')=>base64_decode('cHVibGlzaA=='),));return o7($s5[0]->$h8);}q9(base64_decode('dGVtcGxhdGVfcmVkaXJlY3Q='),base64_decode('cmFuZG9t'));$j10=s11(base64_decode('d3BzYWZlbGlua19sYXN0X3BhZ2U='));if(!empty($j10)){define(base64_decode('TEFTVF9QQUdF'),$j10);}else{define(base64_decode('TEFTVF9QQUdF'),'');}$l12=s11(base64_decode('d3BzYWZlbGlua19jdXN0b21fcmVkaXJlY3Rz'));if(!empty($l12)){$l12=c1($l12);$o13=array_column($l12,base64_decode('dXJs'));}function c1($c14){$p15=array();$j16=explode(base64_decode('Cg=='),$c14);foreach($j16 as $z17){$z17=trim($z17);if(!empty($z17)){$p15[]=array(base64_decode('dXJs')=>$z17,);}}return $p15;}function p2(){m18(base64_decode('U2FmZWxpbmsgU2V0dGluZ3M='),base64_decode('U2FmZWxpbmsgU2V0dGluZ3M='),base64_decode('bWFuYWdlX29wdGlvbnM='),base64_decode('d3BzYWZlbGluay1zZXR0aW5ncw=='),base64_decode('d3BzYWZlbGlua19zZXR0aW5nc19wYWdl'));}q9(base64_decode('YWRtaW5fbWVudQ=='),base64_decode('d3BzYWZlbGlua19zZXR0aW5nc19tZW51'));function y3(){global $j10,$l12;if(empty($j10)){$j10='';}if(empty($l12)){$l12=[];}$h19=s11(base64_decode('d3BzYWZlbGlua19saWNlbnNlX2tleQ=='));if(empty($h19)){echo base64_decode('PGRpdiBjbGFzcz0iZXJyb3IiPjxwPlBsZWFzZSBhY3RpdmF0ZSB0aGUgbGljZW5zZSBrZXkgZmlyc3QuPC9wPjwvZGl2Pg==');}?> 
    <div class="wrap"> 
        <h2>Safelink Settings</h2> 
        <form method="post" action="options.php"> 
            <?php t20(base64_decode('d3BzYWZlbGluay1zZXR0aW5ncy1ncm91cA=='));?> 
            <?php m21(base64_decode('d3BzYWZlbGluay1zZXR0aW5ncy1ncm91cA=='));?> 
            <table class="form-table"> 
                <tr valign="top"> 
                    <th scope="row">Last Page URL</th> 
                    <td> 
                        <p class="description">Define the last page URL of your link shortener for ex : 
                            https://vnshortener.com/</p> 
                        <input type="text" name="wpsafelink_last_page" value="<?php echo w22($j10);?>" /> 
                    </td> 
                </tr> 
                <tr valign="top"> 
                    <th scope="row">Custom Redirect URLs</th> 
                    <td> 
                        <p class="description">Enter one URL per line. These URLs will be used for custom organic random 
                            redirects, to make random posts redirect keep it empty.</p> 
                        <textarea name="wpsafelink_custom_redirects" rows="5" 
                            cols="50"><?php echo d23(implode(base64_decode('Cg=='),array_column($l12,base64_decode('dXJs'))));?></textarea> 
                    </td> 
                </tr> 
            </table> 
            <?php n24();?> 
        </form> 
    </div> 
    <?php }function p4(){j25(base64_decode('d3BzYWZlbGluay1zZXR0aW5ncy1ncm91cA=='),base64_decode('d3BzYWZlbGlua19sYXN0X3BhZ2U='));j25(base64_decode('d3BzYWZlbGluay1zZXR0aW5ncy1ncm91cA=='),base64_decode('d3BzYWZlbGlua19jdXN0b21fcmVkaXJlY3Rz'));}q9(base64_decode('YWRtaW5faW5pdA=='),base64_decode('d3BzYWZlbGlua19yZWdpc3Rlcl9zZXR0aW5ncw=='));if(!extension_loaded(base64_decode('aW9uQ3ViZSBMb2FkZXI='))){echo base64_decode('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');exit;}?>