3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types = 1); $handle = fopen(__FILE__, 'r'); var_dump(flock($handle, LOCK_EX|LOCK_SH)); // only LOCK_SH is honored - php should throw here var_dump(file_get_contents(__FILE__));
Output for 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.14
bool(true) string(198) "<?php declare(strict_types = 1); $handle = fopen(__FILE__, 'r'); var_dump(flock($handle, LOCK_EX|LOCK_SH)); // only LOCK_SH is honored - php should throw here var_dump(file_get_contents(__FILE__));"
preferences:
74.58 ms | 406 KiB | 5 Q