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<?php var_dump(preg_replace('/()/u', '*', "a\xc3\x84b")); var_dump(preg_last_error()); var_dump(PCRE_VERSION);
Output for 8.1rc1 - rc3
string(8) "*a*Ä*b*" int(0) string(16) "10.37 2021-05-26"
Output for 7.4.12 - 7.4.26, 8.0.0 - 8.0.13
string(8) "*a*Ä*b*" int(0) string(16) "10.35 2020-05-09"
Output for 7.4.6 - 7.4.11
string(8) "*a*Ä*b*" int(0) string(16) "10.34 2019-11-21"
Output for 7.4.0 - 7.4.5
string(8) "*a*Ä*b*" int(0) string(16) "10.33 2019-04-16"
Output for 7.3.0 - 7.3.33
string(8) "*a*Ä*b*" int(0) string(16) "10.32 2018-09-10"
Output for 7.2.0 - 7.2.33
string(8) "*a*Ä*b*" int(0) string(15) "8.41 2017-07-05"
Output for 5.5.32 - 5.5.35, 5.6.18 - 5.6.28, 7.0.3 - 7.0.20, 7.1.0 - 7.1.25
string(8) "*a*Ä*b*" int(0) string(15) "8.38 2015-11-23"
Output for 5.5.27 - 5.5.31, 5.6.11 - 5.6.17, 7.0.0 - 7.0.2
string(8) "*a*Ä*b*" int(0) string(15) "8.37 2015-04-28"
Output for 5.4.41 - 5.4.42, 5.5.25 - 5.5.26, 5.6.9 - 5.6.10
string(9) "*a*�*�*b*" int(0) string(15) "8.36 2014-09-26"
Output for 5.5.24, 5.6.7 - 5.6.8
string(9) "*a*�*�*b*" int(0) string(15) "8.34 2013-12-15"
Output for 5.4.43 - 5.4.45
string(9) "*a*�*�*b*" int(0) string(15) "8.37 2015-04-28"
Output for 5.3.24 - 5.3.29, 5.4.14 - 5.4.40
string(9) "*a*�*�*b*" int(0) string(15) "8.32 2012-11-30"
Output for 5.3.19 - 5.3.23, 5.4.9 - 5.4.13
string(9) "*a*�*�*b*" int(0) string(15) "8.31 2012-07-06"
Output for 5.3.7 - 5.3.18, 5.4.0 - 5.4.8
string(9) "*a*�*�*b*" int(0) string(15) "8.12 2011-01-15"
Output for 5.3.6
string(9) "*a*�*�*b*" int(0) string(15) "8.11 2010-12-10"
Output for 5.3.4 - 5.3.5
string(9) "*a*�*�*b*" int(0) string(15) "8.10 2010-06-25"
Output for 5.2.14 - 5.2.17, 5.3.3
string(9) "*a*�*�*b*" int(0) string(15) "8.02 2010-03-19"
Output for 5.3.2
string(9) "*a*�*�*b*" int(0) string(15) "8.00 2009-10-19"
Output for 5.2.10 - 5.2.13, 5.3.0 - 5.3.1
string(9) "*a*�*�*b*" int(0) string(14) "7.9 2009-04-11"
Output for 5.2.9
string(9) "*a*�*�*b*" int(0) string(14) "7.8 2008-09-05"
Output for 5.2.7 - 5.2.8
NULL int(1) string(14) "7.8 2008-09-05"
Output for 5.2.6
NULL int(1) string(14) "7.6 2008-01-28"
Output for 5.2.5
NULL int(1) string(14) "7.3 2007-08-28"
Output for 5.2.4
NULL int(1) string(14) "7.2 2007-06-19"
Output for 5.2.0 - 5.2.3
NULL int(1) Notice: Use of undefined constant PCRE_VERSION - assumed 'PCRE_VERSION' in /in/AMq5N on line 5 string(12) "PCRE_VERSION"
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
string(6) "*a*Äb" Fatal error: Call to undefined function preg_last_error() in /in/AMq5N on line 4
Process exited with code 255.
Output for 4.4.5 - 4.4.9
string(6) "*a*Äb" Fatal error: Call to undefined function: preg_last_error() in /in/AMq5N on line 4
Process exited with code 255.
Output for 4.3.5 - 4.3.11, 4.4.0 - 4.4.4
string(6) "*a*Äb" Fatal error: Call to undefined function: preg_last_error() in /in/AMq5N on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
string(9) "*a*�*�*b*" Fatal error: Call to undefined function: preg_last_error() in /in/AMq5N on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
string(9) "*a*�*�*b*" Fatal error: Call to undefined function: preg_last_error() in /in/AMq5N on line 4

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