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run code in 300+ PHP versions simultaneously
<?php $cosas = array( 'true' => TRUE, 'false' => FALSE, 'null' => NULL, 'empty' => "", 'positive' => 1, 'negative' => -1, 'zero' => 0 ); foreach($cosas as $nombre => $cosa) { echo "<h3>$nombre</h3>"; echo "<ul>" echo "<li><strong>isset: </strong>" . isset($cosa) . "</li>"; echo "<li><strong>is_null: </strong>" . is_null($cosa) . "</li>"; echo "<li><strong>empty: </strong>" . empty($cosa) . "</li>"; echo "</ul>"; }
Output for 5.4.0 - 5.4.32
Parse error: syntax error, unexpected 'echo' (T_ECHO), expecting ',' or ';' in /in/j0Ogq on line 15
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_ECHO, expecting ',' or ';' in /in/j0Ogq on line 15
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_ECHO, expecting ',' or ';' in /in/j0Ogq on line 15
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `','' or `';'' in /in/j0Ogq on line 15
Process exited with code 255.

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