Compatibility Charts

[L] Latest available/tagged version on this branch.
[NS] Version isn't normally supported anymore (possibly heavily outdated or bugged). Updating ASAP is strongly advised.
[TBA] Version hasn't been released yet (planned or still under development).

[A] This version/release is an alpha. Production use isn't recommended.
[B] Critical bugs or unintended breaks detected in this version. Avoid usage.
[BC] This version/release significantly breaks backwards-compatibility with previous versions/releases (in ways other than just the minimum required PHP version).
[F] Final expected version (future releases aren't expected).
[FB] Final expected version on this branch (future releases on this branch aren't expected, but future releases on other, newer braches may occur).
[V] Security vulnerabilities have been identified belonging to this version/release.

See also:
Vulnerability Charts
PHP releases

Compatibility Charts
Last modified:
Only relevant information will be listed here. Information will be delisted when no longer relevant.
If you find any errors, if you'd like to add something to the list, or to make some changes, please send a pull request to the GitHub repository for this page.
Licensing (for this repository): MIT License (feel free to copy and adapt it if you want).
[NS] CIDRAM-L 1.13.3 (2020.05.26)

CIDRAM-L 1.14.0 (2021.01.10)
CIDRAM-L 1.15.0 (2021.02.18)
CIDRAM-L 1.15.1 (2021.04.11)
[B] CIDRAM-L 1.16.0 (2021.05.30)
[L] CIDRAM-L 1.16.1 (2021.05.30)
[NS] CIDRAM 1.12.0 (2019.04.30)

CIDRAM 1.17.1 (2020.05.01)
CIDRAM 1.17.2 (2020.06.19)
CIDRAM 1.17.3 (2020.07.03)
CIDRAM 1.17.4 (2020.10.05)
CIDRAM 1.18.0 (2021.03.03)
[L] CIDRAM 1.18.1 (2021.04.11)
PHP 5.0.0 5.4.0 7.2.0 8.1.0
Requires PHP >= 5.4.0 w/ PCRE support.
(PHP >= 7.2.0 recommended for best performance/features)
(cURL support also recommended for best performance/features)
(APCU, Memcached, Redis, or PDO support also recommended for best performance/features)

Available via Composer/Packagist: CIDRAM v1.
Not available via Composer/Packagist: CIDRAM-L v1.
[NS] CIDRAM 2.0.0 (2019.06.01)

CIDRAM 2.4.1 (2020.05.01)
CIDRAM 2.4.2 (2020.06.19)
CIDRAM 2.4.3 (2020.07.03)
CIDRAM 2.4.4 (2020.10.05)
[NS] CIDRAM (WP Only) 2.4.5 (2021.02.24)
CIDRAM 2.5.0 (2021.03.03)
[L] CIDRAM 2.5.1 (2021.04.11)
[TBA] CIDRAM 3.0.0 (T.B.A.)
PHP 5.0.0 7.2.0 7.4.0 7.4.1 8.1.0
Requires PHP >= 7.2.0 w/ PCRE support.
(cURL support also recommended for best performance/features)
(APCU, Memcached, Redis, or PDO support also recommended for best performance/features)

Available via Composer/Packagist: CIDRAM >= v2.
Not available via Composer/Packagist: CIDRAM (WP Only) v[Any].

Note: The external CLI tool for CIDRAM >= v2 is *not* compatible specifically with PHP 7.4.0.
It is, however, compatible with PHP >= 7.2.0 < 7.4.0, and PHP >= 7.4.1 onward.
[NS] phpMussel 1.10.0 (2019.04.30)

phpMussel 1.13.3 (2020.06.15)
phpMussel 1.13.4 (2020.06.19)
phpMussel 1.13.5 (2020.07.03)
phpMussel 1.13.6 (2020.10.01)
phpMussel 1.14.0 (2020.12.04)
phpMussel 1.14.1 (2021.04.10)
[L] phpMussel 1.14.2 (2021.05.22)
PHP 5.0.0 5.4.0 7.2.0 7.4.0 7.4.1 8.1.0
Requires PHP >= 5.4.0 w/ PCRE support.
(PHP >= 7.2.0 recommended for best performance/features)
(cURL + Bz2 + Lzf + Rar + Zip + zlib support also recommended for best performance/features)
(APCU, Memcached, Redis, or PDO support also recommended for best performance/features)

Available via Composer/Packagist.

Note: phpMussel's "CLI mode" is *not* compatible specifically with PHP 7.4.0.
It is, however, compatible with PHP >= 5.4.0 < 7.4.0, and PHP >= 7.4.1 onward.
[NS] phpMussel 2.0.0 (2019.08.31)

phpMussel 2.1.3 (2020.06.15)
phpMussel 2.1.4 (2020.06.19)
phpMussel 2.1.5 (2020.07.03)
phpMussel 2.1.6 (2020.10.01)
phpMussel 2.2.0 (2020.12.04)
phpMussel 2.3.0 (2021.04.10)
[L] phpMussel 2.3.1 (2021.05.22)
phpMussel 3.0.0 (2020.07.20)
phpMussel 3.0.1 (2020.10.01)
phpMussel 3.0.2 (2020.10.15)
phpMussel 3.1.0 (2020.12.04)
phpMussel 3.2.0 (2021.03.03)
[L] phpMussel 3.2.1 (2021.05.31)
(Includes Core+CLI+FrontEnd+Web)
PHP 5.0.0 7.2.0 7.4.0 7.4.1 8.1.0
Requires PHP >= 7.2.0 w/ PCRE support.
(cURL + Bz2 + Lzf + Rar + Zip + zlib support also recommended for best performance/features)
(APCU, Memcached, Redis, or PDO support also recommended for best performance/features)

Available via Composer/Packagist.

Note: phpMussel's "CLI mode" is *not* compatible specifically with PHP 7.4.0.
It is, however, compatible with PHP >= 7.2.0 < 7.4.0, and PHP >= 7.4.1 onward.
[NS] SigTool 0.2.3 (2019.01.25)
SigTool 1.0.0 (2020.03.07)
SigTool 1.0.1 (2020.12.05)
[L] SigTool 1.0.2 (2021.05.22)
PHP 5.0.0 7.0.3 7.2.0 8.1.0
phpMussel 1.0.0 3.0
Requires PHP >= 7.0.3 w/ PCRE + zlib + phar support.
(PHP >= 7.2.0 recommended for best performance/features)
Requires approx. ~1GB available RAM or disc space to run.
Generated signature files are compatible with phpMussel >= 1.0.0
Generated signature files are NOT compatible with phpMussel < 1.0.0

Available via Composer/Packagist.

Note: SigTool for phpMussel, and Sigtool for ClamAV, are two distinct, separate packages.
The information included here relates to the SigTool for phpMussel.
[NS] SFS Mass IP Checker 0.1.3 (2016.09.10)
(Please don't use versions older than this; They are very buggy).

PHP 5.0.0 5.3.0 8.1.0
Requires PHP >= 5.3.0 w/ PCRE support.

Available via Composer/Packagist.
[L] SFS Mass IP Checker 1.0.0 (2020.11.25)
PHP 5.0.0 5.4.0 8.1.0
Requires PHP >= 5.4.0 w/ PCRE support + cURL support.

Available via Composer/Packagist.
[NS] Cronable 1.0.0 (2017.10.29)
Cronable 1.1.0 (2018.01.20)
Cronable 1.2.0 (2018.09.10)
[L] Cronable 1.2.1 (2020.12.05)
PHP 5.0.0 5.4.0 8.1.0
CIDRAM 1.2.0 3.0
phpMussel 1.1.0 3.0
Requires PHP >= 5.4.0 w/ PCRE support.
Compatible with CIDRAM >= 1.2.0
Compatible with phpMussel >= 1.1.0 < 3.0.0

Available via Composer/Packagist.
[NS] Aggregator 1.0.0 (2017.09.21)

Aggregator 1.3.0 (2020.01.01)
Aggregator 1.3.1 (2020.06.11)
[L] Aggregator 1.3.2 (2020.12.04)
[NS] Common Classes Package 1.0.0 (2019.02.28)

Common Classes Package 1.4.0 (2020.12.04)
Common Classes Package 1.5.0 (2021.02.22)
Common Classes Package 1.6.0 (2021.04.24)
[L] Common Classes Package 1.6.1 (2021.05.22)
PHP 5.0.0 5.4.0 8.1.0
Requires PHP >= 5.4.0 w/ PCRE support.

Available via Composer/Packagist.
[L] L10NDateSignOff 1.0.0 (2021.02.22)
[NS] Common Classes Package 2.0.0 (2019.05.29)

Common Classes Package 2.4.0 (2020.12.04)
Common Classes Package 2.5.0 (2021.02.22)
Common Classes Package 2.6.0 (2021.04.24)
[L] Common Classes Package 2.6.1 (2021.05.22)
PHP 5.0.0 7.2.0 8.1.0
Requires PHP >= 7.2.0 w/ PCRE support.

Available via Composer/Packagist.
[NS] ZB Block 0.4.10a3 (2013.01.19)
Versions <= 0.4.10a3 authored/released by Zaphod.
PHP 5.0.0 7.0.0
Requires PHP >= 5.0.0 < 7.0.0 w/ PCRE support.
(Latest PHP version in the required PHP version range is already EoL)

Not available via Composer/Packagist.
[NS] ZB Block 0.4.20 (2018.01.01)
Versions >= 0.4.20 authored/released by JamesC.
[NS] ZB Block 0.4.21 (2018.02.01)
PHP 5.0.0 7.4.0 7.4.1 8.1.0
Requires PHP >= 5.0.0 w/ PCRE support.

Not available via Composer/Packagist.

Note: Problems are anticipated for use with PHP 7.4.0 (due to bugs in this PHP version).
These bugs are resolved from PHP >= 7.4.1 onward.
[NS] ZB Block 0.5.0 (2018.02.03)

[NS] ZB Block 0.6.1 (2018.05.28)
PHP 5.1.0 7.4.0 7.4.1 8.1.0
Requires PHP >= 5.1.0 w/ PCRE support.

" "

" "
[NS] ZB Block 0.6.2 (2018.09.09)
PHP 5.0.0 5.4.0 7.4.0 7.4.1 8.1.0
Requires PHP >= 5.4.0 w/ PCRE support.

" "

" "
[NS] ZB Block 0.6.3 (2018.09.12)

[NS] ZB Block 0.6.7 (2019.11.28)
ZB Block 0.6.8 (2019.12.14)
ZB Block 0.7.0 (2020.05.07)
[L] ZB Block 0.7.0b (2020.05.14)
PHP 5.1.0 7.4.0 7.4.1 8.1.0
Requires PHP >= 5.1.0 w/ PCRE support.

Not available via Composer/Packagist.

Note: Problems are anticipated for use with PHP 7.4.0 (due to bugs in this PHP version).
These bugs are resolved from PHP >= 7.4.1 onward.
Shieldfy PHP SDK 3.1.0 (2018.10.16)

[L] Shieldfy PHP SDK 3.2.1 (2019.04.29)
Shieldfy PHP SDK authored/released by Shieldfy.
PHP 5.0.0 5.6.0 8.1.0
Requires PHP >= 5.6.0 w/ PCRE support.

Available via Composer/Packagist.
[NS] NinjaFirewall (WP) 4.1.0 (2020.01.26)

[NS] NinjaFirewall (WP) 4.2.6 (2020.10.04)
PHP 5.0.0 5.5.0 8.1.0
WordPress 3.7.0 5.7.0
Requires PHP >= 5.5.0 w/ PCRE + MySQLi support.
Requires WordPress >= 3.7.0
Not compatible with Windows O.S. (requires Unix-like O.S.; e.g., Linux, BSD, etc).
NinjaFirewall (WP) 4.3.0 (2020.12.01)

NinjaFirewall (WP) 4.3.3 (2021.04.04)
[L] NinjaFirewall (WP) 4.3.4 (2021.05.30)
NinjaFirewall (WP) authored/released by NinTechNet.
PHP 5.0.0 5.5.0 8.1.0
WordPress 3.7.0 4.7.0 5.7.0
Requires PHP >= 5.5.0 w/ PCRE + MySQLi support.
Requires WordPress >= 4.7.0
Not compatible with Windows O.S. (requires Unix-like O.S.; e.g., Linux, BSD, etc).