3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = array(); //unset ($x); $x = ""; $x['foo'] = 'bar'; echo " Array value is " . $x['foo'] ; ?>
Output for 8.0.7 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Fatal error: Uncaught TypeError: Cannot access offset of type string on string in /in/fIvmS:6 Stack trace: #0 {main} thrown in /in/fIvmS on line 6
Process exited with code 255.
Output for 8.0.0 - 8.0.6
Warning: Only the first byte will be assigned to the string offset in /in/fIvmS on line 6 Fatal error: Uncaught TypeError: Cannot access offset of type string on string in /in/fIvmS:6 Stack trace: #0 {main} thrown in /in/fIvmS on line 6
Process exited with code 255.
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
Warning: Illegal string offset 'foo' in /in/fIvmS on line 6 Warning: Illegal string offset 'foo' in /in/fIvmS on line 7 Array value is b
Output for 7.0.0 - 7.0.20
Array value is bar

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