3v4l.org

run code in 300+ PHP versions simultaneously
<?php function myTest() { $x = 5; // local scope echo "<p>Variable X inside function is: $x</p>"; } myTest(); // using x outside the function will generate an error echo "<p>Variable X outside function is: $x</p>"; ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
<p>Variable X inside function is: 5</p> Warning: Undefined variable $x in /in/j789S on line 9 <p>Variable X outside function is: </p>
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
<p>Variable X inside function is: 5</p> Notice: Undefined variable: x in /in/j789S on line 9 <p>Variable X outside function is: </p>
Output for 7.3.32 - 7.3.33
<p>Variable X inside function is: 5</p><p>Variable X outside function is: </p>

preferences:
209.25 ms | 401 KiB | 326 Q