3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array(1 => "Hello"); var_dump($arr); $x = "arr"; $str = "var_dump(" . $x . "[1]);"; eval($str);
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(1) { [1]=> string(5) "Hello" } Fatal error: Uncaught Error: Undefined constant "arr" in /in/4l3aN(13) : eval()'d code:1 Stack trace: #0 /in/4l3aN(13): eval() #1 {main} thrown in /in/4l3aN(13) : eval()'d code on line 1
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
array(1) { [1]=> string(5) "Hello" } Warning: Use of undefined constant arr - assumed 'arr' (this will throw an Error in a future version of PHP) in /in/4l3aN(13) : eval()'d code on line 1 string(1) "r"
Output for 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25
array(1) { [1]=> string(5) "Hello" } Notice: Use of undefined constant arr - assumed 'arr' in /in/4l3aN(13) : eval()'d code on line 1 string(1) "r"
Output for 5.4.11 - 5.4.45, 5.5.0 - 5.5.38
array(1) { [1]=> string(5) "Hello" } Parse error: syntax error, unexpected '[' in /in/4l3aN(13) : eval()'d code on line 1
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, 5.4.0 - 5.4.10
array(1) { [1]=> string(5) "Hello" } Parse error: syntax error, unexpected '[' in /in/4l3aN(13) : eval()'d code on line 1
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
array(1) { [1]=> string(5) "Hello" } Parse error: parse error, unexpected '[' in /in/4l3aN(13) : eval()'d code on line 1
Process exited with code 255.
Output for 4.3.2 - 4.3.4
array(1) { [1]=> string(5) "Hello" } Parse error: parse error in /in/4l3aN(13) : eval()'d code on line 1
Process exited with code 255.

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