3v4l.org

run code in 300+ PHP versions simultaneously
<?php exec('locale', $o); print_r($o); $ну_допустим = 1; var_dump($ну_допустим); exec('LC_ALL=C'); exec('locale', $o); print_r($o); $а_это_почему = 2; var_dump($а_это_почему);
Output for 7.2.29 - 7.2.33, 7.3.16 - 7.3.33, 7.4.3 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Warning: exec(): Unable to fork [locale] in /in/7JsuW on line 3 Array ( ) int(1) Warning: exec(): Unable to fork [LC_ALL=C] in /in/7JsuW on line 9 Warning: exec(): Unable to fork [locale] in /in/7JsuW on line 11 Array ( ) int(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 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.26, 7.3.0 - 7.3.13, 7.4.0 - 7.4.1
Array ( ) int(1) Array ( ) int(2)
preferences:
294 ms | 405 KiB | 461 Q