3v4l.org

run code in 150+ php & hhvm versions
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<?php $order = array('id' => '54','member_id' => '18','ticket' => '15690721','login' => '266897','open_time' => '2013-07-12 13:21:49','cmd' => '1','volume' => '0.02','symbol' => 'EURUSD','open_price' => '1.30483','sl' => '0','tp' => '0','close_price' => '1.30485','close_time' => '2013-07-12 13:23:04','commission' => '0','swaps' => '0','profit_pips' => '-0.20','profit_pips_norm' => '-0.20','profit' => '-0.04','digits' => '5','provider_id' => '18','provider_ticket' => '15690720','insert_date' => '2013-07-12 12:23:12','common_symbol_id' => '0','open_equity' => '1000','close_equity' => '999.96'); var_dump(implode('/', array_intersect_key($order, array_flip(['login', 'ticket', 'member_id', 'provider_id']))));
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(21) "18/15690721/266897/18"
Output for 5.2.3 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ')' in /in/WXdNm on line 5
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.2
<br /> <b>Parse error</b>: syntax error, unexpected '[', expecting ')' in <b>/in/WXdNm</b> on line <b>5</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
<br /> <b>Parse error</b>: parse error, unexpected '[', expecting ')' in <b>/in/WXdNm</b> on line <b>5</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error, expecting `')'' in <b>/in/WXdNm</b> on line <b>5</b><br />
Process exited with code 255.