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run code in 300+ PHP versions simultaneously
<?php $values = array(0, '', NULL, FALSE); $result = array(); foreach ($values as $x) { foreach ($values as $y) { $result[var_export($x, TRUE)][var_export($y, TRUE)] = in_array($x, array($y)); } } var_export($result);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array ( 0 => array ( 0 => true, '\'\'' => false, 'NULL' => true, 'false' => true, ), '\'\'' => array ( 0 => false, '\'\'' => true, 'NULL' => true, 'false' => true, ), 'NULL' => array ( 0 => true, '\'\'' => true, 'NULL' => true, 'false' => true, ), 'false' => array ( 0 => true, '\'\'' => true, 'NULL' => true, 'false' => true, ), )
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
array ( 0 => array ( 0 => true, '\'\'' => true, 'NULL' => true, 'false' => true, ), '\'\'' => array ( 0 => true, '\'\'' => true, 'NULL' => true, 'false' => true, ), 'NULL' => array ( 0 => true, '\'\'' => true, 'NULL' => true, 'false' => true, ), 'false' => array ( 0 => true, '\'\'' => true, 'NULL' => true, 'false' => true, ), )
preferences:
170.3 ms | 404 KiB | 181 Q