3v4l.org

run code in 300+ PHP versions simultaneously
<?php $regex = ' (?<types> (?: (?:\{ (?&types) \}) | (a) ) (\*?) ) '; $captureOffsets = false; ini_set('pcre.jit', '0'); $res = preg_match('{^' . $regex . '$}x', '{a}', $matches, $captureOffsets ? PREG_OFFSET_CAPTURE : 0); ini_set('pcre.jit', '1'); // regex must be different to prevent regex cache, so just add 2nd "x" modifier $res2 = preg_match('{^' . $regex . '$}xx', '{a}', $matches2, $captureOffsets ? PREG_OFFSET_CAPTURE : 0); if ($matches !== $matches2) { echo 'without JIT:' . "\n"; print_r($matches); echo "\n"; echo 'with JIT:' . "\n"; print_r($matches2); } var_dump(PCRE_VERSION);
Output for 8.4.1 - 8.4.14, 8.5.0
string(16) "10.44 2024-06-07"
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 8.3.0 - 8.3.28
string(16) "10.42 2022-12-12"
Output for 8.2.13 - 8.2.29
string(16) "10.40 2022-04-14"
Output for 8.2.0 - 8.2.12
without JIT: Array ( [0] => {a} [types] => {a} [1] => {a} [2] => a [3] => ) with JIT: Array ( [0] => {a} [types] => {a} [1] => {a} [2] => [3] => ) string(16) "10.40 2022-04-14"
Output for 8.1.26 - 8.1.33
string(16) "10.39 2021-10-29"
Output for 8.1.1 - 8.1.25
without JIT: Array ( [0] => {a} [types] => {a} [1] => {a} [2] => a [3] => ) with JIT: Array ( [0] => {a} [types] => {a} [1] => {a} [2] => [3] => ) string(16) "10.39 2021-10-29"
Output for 8.1.0
without JIT: Array ( [0] => {a} [types] => {a} [1] => {a} [2] => a [3] => ) with JIT: Array ( [0] => {a} [types] => {a} [1] => {a} [2] => [3] => ) string(16) "10.37 2021-05-26"
Output for 7.4.12 - 7.4.33, 8.0.0 - 8.0.30
without JIT: Array ( [0] => {a} [types] => {a} [1] => {a} [2] => a [3] => ) with JIT: Array ( [0] => {a} [types] => {a} [1] => {a} [2] => [3] => ) string(16) "10.35 2020-05-09"
Output for 7.4.6 - 7.4.11
without JIT: Array ( [0] => {a} [types] => {a} [1] => {a} [2] => a [3] => ) with JIT: Array ( [0] => {a} [types] => {a} [1] => {a} [2] => [3] => ) string(16) "10.34 2019-11-21"
Output for 7.4.0 - 7.4.5
without JIT: Array ( [0] => {a} [types] => {a} [1] => {a} [2] => a [3] => ) with JIT: Array ( [0] => {a} [types] => {a} [1] => {a} [2] => [3] => ) string(16) "10.33 2019-04-16"
Output for 7.3.0 - 7.3.33
without JIT: Array ( [0] => {a} [types] => {a} [1] => {a} [2] => a [3] => ) with JIT: Array ( [0] => {a} [types] => {a} [1] => {a} [2] => [3] => ) string(16) "10.32 2018-09-10"
Output for 7.2.0 - 7.2.34
string(15) "8.41 2017-07-05"
Output for 5.5.32 - 5.5.38, 5.6.18 - 5.6.40, 7.0.3 - 7.0.33, 7.1.0 - 7.1.33
string(15) "8.38 2015-11-23"
Output for 5.4.43 - 5.4.45, 5.5.27 - 5.5.31, 5.6.11 - 5.6.17, 7.0.0 - 7.0.2
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(15) "8.36 2014-09-26"
Output for 5.5.10 - 5.5.24, 5.6.0 - 5.6.8
string(15) "8.34 2013-12-15"
Output for 5.3.24 - 5.3.29, 5.4.14 - 5.4.40, 5.5.0 - 5.5.9
string(15) "8.32 2012-11-30"
Output for 5.3.19 - 5.3.23, 5.4.9 - 5.4.13
string(15) "8.31 2012-07-06"
Output for 5.3.7 - 5.3.18, 5.4.0 - 5.4.8
string(15) "8.12 2011-01-15"
Output for 5.3.6
string(15) "8.11 2010-12-10"
Output for 5.3.4 - 5.3.5
string(15) "8.10 2010-06-25"
Output for 5.2.14 - 5.2.17, 5.3.3
string(15) "8.02 2010-03-19"
Output for 5.3.2
string(15) "8.00 2009-10-19"
Output for 5.2.10 - 5.2.13, 5.3.0 - 5.3.1
string(14) "7.9 2009-04-11"
Output for 5.2.7 - 5.2.9
string(14) "7.8 2008-09-05"
Output for 5.2.6
string(14) "7.6 2008-01-28"
Output for 5.2.5
string(14) "7.3 2007-08-28"
Output for 5.2.4
string(14) "7.2 2007-06-19"
Output for 4.4.6 - 4.4.9, 5.2.2 - 5.2.3
Notice: Use of undefined constant PCRE_VERSION - assumed 'PCRE_VERSION' in /in/W4UkB on line 27 string(12) "PCRE_VERSION"
Output for 4.3.11, 4.4.0 - 4.4.5, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.1
Warning: preg_match(): Compilation failed: unrecognized character after (?< at offset 9 in /in/W4UkB on line 15 Warning: preg_match(): Compilation failed: unrecognized character after (?< at offset 9 in /in/W4UkB on line 18 Notice: Use of undefined constant PCRE_VERSION - assumed 'PCRE_VERSION' in /in/W4UkB on line 27 string(12) "PCRE_VERSION"
Output for 4.3.0 - 4.3.10
Warning: Compilation failed: unrecognized character after (?< at offset 9 in /in/W4UkB on line 15 Warning: Compilation failed: unrecognized character after (?< at offset 9 in /in/W4UkB on line 18 Notice: Use of undefined constant PCRE_VERSION - assumed 'PCRE_VERSION' in /in/W4UkB on line 27 string(12) "PCRE_VERSION"
preferences:
157.7 ms | 451 KiB | 5 Q