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  1. <?php
  2.  
  3. $x = 5; // global scope
  4.  
  5. function myTest() {
  6.   // using x inside this function will generate an error
  7.   echo "<p>Variable x inside function is: $x</p>";
  8. } 
  9. myTest();
Success #stdin #stdout #stderr 0.03s 26080KB
comments (?)
stdin 
Standard input is empty
stdout 
<p>Variable x inside function is: </p>
stderr 
PHP Notice:  Undefined variable: x in /home/7wMZWk/prog.php on line 7
https://ideone.com/4O1lu5
language:
PHP (php 7.3.5)
created:
4 days ago
visibility:
public

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