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run code in 300+ PHP versions simultaneously
<?php // @see https://bugs.php.net/bug.php?id=71972 session_id('sessiontest'); session_start(); $_SESSION['boogie'] = 1; $_SESSION['obj1'] = new stdClass(); for ( $x=2; $x < 20; $x++) { cyclic_ref($x); } function cyclic_ref($num) { $_SESSION['obj'.$num] = new stdClass(); $_SESSION['obj'.$num]->test = new stdClass(); $_SESSION['obj'.$num]->obj1 = $_SESSION['obj1']; }
Output for 5.2.3 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.31, 7.1.0 - 7.1.23, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.2
Warning: session_start(): Cannot send session cookie - headers already sent in /in/CgdNh on line 4 Warning: session_start(): Cannot send session cache limiter - headers already sent (output started at /in/CgdNh:4) in /in/CgdNh on line 4
Output for 4.3.0 - 4.3.1
Warning: session_start() [http://www.php.net/function.session-start]: Cannot send session cookie - headers already sent in /in/CgdNh on line 4 Warning: session_start() [http://www.php.net/function.session-start]: Cannot send session cache limiter - headers already sent (output started at /in/CgdNh:4) in /in/CgdNh on line 4

preferences:
189.55 ms | 402 KiB | 417 Q