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<?php echo date("Y-m-d", strtotime("2022-01-11 --1 day"));
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.25 - 8.2.29, 8.3.13 - 8.3.27, 8.4.1 - 8.4.14
2022-01-12
Output for 8.2.0 - 8.2.24, 8.3.0 - 8.3.12
2022-01-10

preferences:
134.55 ms | 409 KiB | 5 Q