3v4l.org

run code in 300+ PHP versions simultaneously
<?php define('EOL',"\n"); $data='a=1&b=2&c=3'; echo 'global scope',EOL; echo 'parse_data(): ',$data,EOL; parse_str($data); if(isset($b)) { echo 'isset b='.$b,EOL; } else { echo 'no b='.$b,EOL; } echo EOL; echo 'within function',EOL; testme(); function testme() { $data='a=1&b=2&c=3'; echo 'parse_data(): ',$data,EOL; parse_str($data); //echo print_r($b,1); if(isset($b)) { echo 'isset b='.$b,EOL; } else { echo 'notset b='.$b,EOL; } if(isset($b)) { echo 'isset b='.$b,EOL; } else { echo 'no b='.$b,EOL; } }
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
global scope parse_data(): a=1&b=2&c=3 Fatal error: Uncaught ArgumentCountError: parse_str() expects exactly 2 arguments, 1 given in /in/9JZRK:8 Stack trace: #0 /in/9JZRK(8): parse_str('a=1&b=2&c=3') #1 {main} thrown in /in/9JZRK on line 8
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
global scope parse_data(): a=1&b=2&c=3 Deprecated: parse_str(): Calling parse_str() without the result argument is deprecated in /in/9JZRK on line 8 isset b=2 within function parse_data(): a=1&b=2&c=3 Deprecated: parse_str(): Calling parse_str() without the result argument is deprecated in /in/9JZRK on line 22 isset b=2 isset b=2
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.3.32 - 7.3.33
global scope parse_data(): a=1&b=2&c=3 isset b=2 within function parse_data(): a=1&b=2&c=3 isset b=2 isset b=2

preferences:
280.43 ms | 404 KiB | 360 Q