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<?php $test = array(); $test['eval_none'] = ''; $test['eval_zero'] = 0; $test['eval_null'] = null; $test['eval_false'] = false; $test['eval_true'] = true; if (isset($test['eval_none'])) var_dump 'None is set.'; if (!empty($test['eval_none'])) echo 'None is not empty.\n'; if (isset($test['eval_zero'])) echo 'Zero is set.<br>'; if (!empty($test['eval_zero'])) echo 'Zero is not empty.<br>'; if (isset($test['eval_null'])) echo 'NULL is set.<br>'; if (!empty($test['eval_null'])) echo 'NULL is not empty.<br>'; if (isset($test['eval_false'])) echo 'False is set.<br>'; if (!empty($test['eval_false'])) echo 'False is not empty.<br>'; if (isset($test['eval_true'])) echo 'True is set.<br>'; if (!empty($test['eval_true'])) echo 'True is not empty.<br>';
Output for 5.4.0 - 5.4.40, 5.5.24, 5.6.8
Parse error: syntax error, unexpected ''None is set.'' (T_CONSTANT_ENCAPSED_STRING) in /in/oCPWJ on line 10
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_CONSTANT_ENCAPSED_STRING in /in/oCPWJ on line 10
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_CONSTANT_ENCAPSED_STRING in /in/oCPWJ on line 10
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/oCPWJ on line 10
Process exited with code 255.
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