3v4l.org

run code in 300+ PHP versions simultaneously
<?php ob_start(); echo 'Текст, который не отобразится.'; ob_end_clean(); echo 'Текст, который отобразится.'; ob_flush();flush(); ?>
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, 8.3.6
Текст, который отобразится. Notice: ob_flush(): Failed to flush buffer. No buffer to flush in /in/gv4dj on line 6
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 Текст, который отобразится. Notice: ob_flush(): Failed to flush buffer. No buffer to flush in /in/gv4dj on line 6
Output for 5.3.4 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Текст, который отобразится. Notice: ob_flush(): failed to flush buffer. No buffer to flush in /in/gv4dj on line 6
Output for 7.3.32 - 7.3.33, 7.4.26
Текст, который отобразится.
Output for 4.3.2 - 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 - 5.3.3
Текст, который отобразится. Notice: ob_flush(): failed to flush buffer. No buffer to flush. in /in/gv4dj on line 6
Output for 4.3.0 - 4.3.1
Текст, который отобразится. Notice: ob_flush() [http://www.php.net/ref.outcontrol]: failed to flush buffer. No buffer to flush. in /in/gv4dj on line 6

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263.94 ms | 402 KiB | 369 Q