3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "someval"; echo $str[str.length -1 ];
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
Fatal error: Uncaught Error: Undefined constant "str" in /in/rJTWS:4 Stack trace: #0 {main} thrown in /in/rJTWS on line 4
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Deprecated: The behavior of unparenthesized expressions containing both '.' and '+'/'-' will change in PHP 8: '+'/'-' will take a higher precedence in /in/rJTWS on line 4 Warning: Use of undefined constant str - assumed 'str' (this will throw an Error in a future version of PHP) in /in/rJTWS on line 4 Warning: Use of undefined constant length - assumed 'length' (this will throw an Error in a future version of PHP) in /in/rJTWS on line 4 Warning: A non-numeric value encountered in /in/rJTWS on line 4 l
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Warning: Use of undefined constant str - assumed 'str' (this will throw an Error in a future version of PHP) in /in/rJTWS on line 4 Warning: Use of undefined constant length - assumed 'length' (this will throw an Error in a future version of PHP) in /in/rJTWS on line 4 Warning: A non-numeric value encountered in /in/rJTWS on line 4 l
Output for 7.1.0 - 7.1.33
Notice: Use of undefined constant str - assumed 'str' in /in/rJTWS on line 4 Notice: Use of undefined constant length - assumed 'length' in /in/rJTWS on line 4 Warning: A non-numeric value encountered in /in/rJTWS on line 4 l
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20
Notice: Use of undefined constant str - assumed 'str' in /in/rJTWS on line 4 Notice: Use of undefined constant length - assumed 'length' in /in/rJTWS on line 4 Notice: Uninitialized string offset: -1 in /in/rJTWS on line 4

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155.25 ms | 402 KiB | 213 Q