3v4l.org

run code in 300+ PHP versions simultaneously
<?php // working here $GLOBALS['x'] = "Root of the file"; echo $x; // same things are not working in the function. function checkglobal() { $GLOBALS['z'] = "In the function."; echo $z; } // Run the function checkglobal(); // Echo the variable set in the function echo $z;
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Root of the file Warning: Undefined variable $z in /in/5TYMJ on line 10 In the function.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Root of the file Warning: Undefined variable $z in /in/5TYMJ on line 10 In the function.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.6 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Root of the file Notice: Undefined variable: z in /in/5TYMJ on line 10 In the function.
Output for 7.3.32 - 7.3.33
Root of the fileIn the function.
preferences:
186.26 ms | 401 KiB | 202 Q