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);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.5.00.0130.01122.88
8.4.150.0030.00014.05
8.4.140.0130.00817.73
8.4.130.0130.00719.49
8.4.120.0070.00320.83
8.4.110.0120.00722.36
8.4.100.0100.01117.89
8.4.90.0150.00618.82
8.4.80.0120.00819.71
8.4.70.0080.01217.76
8.4.60.0120.00818.77
8.4.50.0110.00820.02
8.4.40.0140.00720.61
8.4.30.0030.00518.70
8.4.20.0150.00319.72
8.4.10.0060.00323.55
8.3.280.0100.01018.48
8.3.270.0140.00716.75
8.3.260.0130.00616.91
8.3.250.0130.00618.59
8.3.240.0130.00716.57
8.3.230.0050.00316.87
8.3.220.0030.00517.30
8.3.210.0130.00616.59
8.3.200.0060.00517.03
8.3.190.0090.00617.25
8.3.180.0100.00516.60
8.3.170.0170.00017.21
8.3.160.0040.00416.95
8.3.150.0110.00717.26
8.3.140.0090.00917.20
8.3.130.0000.00818.47
8.3.120.0090.00920.82
8.3.110.0090.00320.94
8.3.100.0120.00316.91
8.3.90.0110.00726.77
8.3.80.0000.01018.55
8.3.70.0140.00418.41
8.3.60.0090.00616.88
8.3.50.0070.01418.47
8.3.40.0110.00722.23
8.3.30.0140.00019.17
8.3.20.0040.00424.18
8.3.10.0080.00024.66
8.3.00.0050.00326.16
8.2.290.0050.00420.34
8.2.280.0110.00518.94
8.2.270.0040.00418.85
8.2.260.0140.00320.95
8.2.250.0030.00616.96
8.2.240.0120.00617.17
8.2.230.0030.00622.58
8.2.220.0120.00424.06
8.2.210.0050.00226.77
8.2.200.0060.00317.00
8.2.190.0140.01716.58
8.2.180.0140.00716.47
8.2.170.0110.00419.11
8.2.160.0090.00922.96
8.2.150.0080.00025.66
8.2.140.0090.00024.66
8.2.130.0050.00226.16
8.2.120.0040.00421.05
8.2.110.0060.00621.18
8.2.100.0070.00418.03
8.2.90.0000.00818.14
8.2.80.0030.00617.97
8.2.70.0000.00817.75
8.2.60.0200.00517.25
8.2.50.0200.00017.63
8.2.40.0070.01017.50
8.2.30.0130.00317.50
8.2.20.0100.00817.73
8.2.10.0120.00617.62
8.2.00.0120.00417.88
8.1.330.0130.00621.92
8.1.320.0080.00716.44
8.1.310.0110.00716.54
8.1.300.0060.01219.53
8.1.290.0040.00430.84
8.1.280.0140.00725.92
8.1.270.0090.00024.66
8.1.260.0030.00526.35
8.1.250.0070.00028.09
8.1.240.0030.00722.13
8.1.230.0110.00020.99
8.1.220.0060.00317.77
8.1.210.0030.00619.03
8.1.200.0030.00617.50
8.1.190.0130.00417.13
8.1.180.0070.01017.35
8.1.170.0120.00417.25
8.1.160.0110.00617.50
8.1.150.0130.00317.25
8.1.140.0150.00417.25
8.1.130.0180.00017.25
8.1.120.0160.00017.35
8.1.110.0120.00417.25
8.1.100.0140.00317.25
8.1.90.0130.00317.25
8.1.80.0110.00517.35
8.1.70.0050.01117.25
8.1.60.0000.01817.63
8.1.50.0140.00417.25
8.1.40.0150.00517.49
8.1.30.0130.00517.50
8.1.20.0130.00517.50
8.1.10.0130.00517.38
8.1.00.0140.00817.35
8.0.300.0000.00719.82
8.0.290.0000.00716.88
8.0.280.0130.00316.88
8.0.270.0130.00316.75
8.0.260.0070.01116.88
8.0.250.0100.00816.75
8.0.240.0110.00616.75
8.0.230.0130.00417.00
8.0.220.0090.00916.75
8.0.210.0170.00016.75
8.0.200.0080.01216.75
8.0.190.0140.00316.63
8.0.180.0120.00616.63
8.0.170.0080.00816.84
8.0.160.0110.00616.75
8.0.150.0110.00616.88
8.0.140.0110.00616.52
8.0.130.0170.00016.88
8.0.120.0140.00416.88
8.0.110.0110.00616.88
8.0.100.0110.00516.75
8.0.90.0160.00016.88
8.0.80.0110.00516.52
8.0.70.0170.00016.85
8.0.60.0120.00416.86
8.0.50.0050.01116.75
8.0.30.0050.01116.72
8.0.20.0130.00316.63
8.0.10.0110.00516.88
8.0.00.0050.01116.75
7.4.330.0130.00016.52
7.4.320.0150.00516.52
7.4.300.0080.00816.63
7.4.290.0160.00016.52
7.4.280.0120.00416.52
7.4.270.0180.00016.52
7.4.260.0140.00216.52
7.4.250.0140.00316.52
7.4.240.0160.00016.52
7.4.230.0080.00816.52
7.4.220.0000.01516.63
7.4.210.0110.00416.63
7.4.200.0100.00516.52
7.4.190.0130.00316.52
7.4.180.0120.00416.52
7.4.160.0080.00816.52
7.4.150.0110.00416.52
7.4.140.0090.00616.52
7.4.130.0110.00616.52
7.4.120.0090.00616.52
7.4.110.0080.00816.52
7.4.100.0110.00416.52
7.4.90.0100.00516.62
7.4.80.0050.01016.61
7.4.70.0100.00516.52
7.4.60.0140.00316.60
7.4.50.0080.00816.52
7.4.40.0140.00016.52
7.4.30.0070.00716.52
7.4.20.0100.00516.52
7.4.10.0150.00016.52
7.4.00.0120.00216.52
7.3.330.0160.00016.52
7.3.320.0110.00416.52
7.3.310.0150.00016.52
7.3.300.0190.00016.52
7.3.290.0090.00616.52
7.3.280.0120.00416.52
7.3.270.0120.00216.52
7.3.260.0120.00416.52
7.3.250.0120.00316.52
7.3.240.0100.00516.52
7.3.230.0120.00316.52
7.3.220.0160.00016.52
7.3.210.0160.00016.52
7.3.200.0120.00416.52
7.3.190.0080.00816.52
7.3.180.0080.00816.52
7.3.170.0090.00716.52
7.3.160.0080.00816.52
7.3.150.0080.00816.52
7.3.140.0130.00316.52
7.3.130.0060.00916.52
7.3.120.0110.00516.52
7.3.110.0120.00416.52
7.3.100.0150.00016.52
7.3.90.0130.00316.52
7.3.80.0110.00416.52
7.3.70.0070.00716.52
7.3.60.0120.00216.52
7.3.50.0140.00016.52
7.3.40.0090.00616.52
7.3.30.0050.01016.52
7.3.20.0100.00518.41
7.3.10.0150.00018.19
7.3.00.0080.00817.82
7.2.340.0100.00516.63
7.2.330.0100.00516.52
7.2.320.0140.00516.52
7.2.310.0100.00716.52
7.2.300.0070.00716.52
7.2.290.0150.00016.52
7.2.280.0120.00316.52
7.2.270.0140.00216.52
7.2.260.0120.00416.52
7.2.250.0090.00616.52
7.2.240.0090.00616.52
7.2.230.0130.00316.52
7.2.220.0060.00916.63
7.2.210.0150.00016.52
7.2.200.0120.00316.52
7.2.190.0090.00616.75
7.2.180.0090.00616.63
7.2.170.0120.00216.63
7.2.160.0100.00516.52
7.2.150.0080.00818.06
7.2.140.0160.00018.50
7.2.130.0110.00418.45
7.2.120.0100.00718.15
7.2.110.0050.01118.03
7.2.100.0160.00018.03
7.2.90.0140.00318.05
7.2.80.0160.00018.31
7.2.70.0160.00018.31
7.2.60.0100.00518.43
7.2.50.0070.00718.03
7.2.40.0110.00418.43
7.2.30.0090.00818.21
7.2.20.0130.00318.16
7.2.10.0090.00618.18
7.2.00.0150.00018.41
7.1.330.0140.00017.19
7.1.320.0150.00017.09
7.1.310.0130.00317.18
7.1.300.0090.00517.24
7.1.290.0100.00517.11
7.1.280.0070.00717.23
7.1.270.0120.00317.54
7.1.260.0150.00017.05
7.1.250.0140.00017.34
7.1.240.0110.00417.15
7.1.230.0090.00517.07
7.1.220.0140.00017.48
7.1.210.0050.01016.77
7.1.200.0140.00017.23
7.1.190.0090.00617.02
7.1.180.0140.00017.17
7.1.170.0120.00316.80
7.1.160.0120.00316.94
7.1.150.0090.00617.27
7.1.140.0140.00017.21
7.1.130.0070.00717.06
7.1.120.0100.00717.01
7.1.110.0140.00017.18
7.1.100.0070.00717.13
7.1.90.0150.00017.27
7.1.80.0100.00517.29
7.1.70.0150.00017.32
7.1.60.0120.00417.55
7.1.50.0140.00017.52
7.1.40.0050.01017.60
7.1.30.0100.00517.45
7.1.20.0040.01217.26
7.1.10.0110.00317.20
7.1.00.0100.00317.12
7.0.330.0130.00016.83
7.0.320.0110.00317.05
7.0.310.0070.00716.63
7.0.300.0070.00716.76
7.0.290.0100.00316.77
7.0.280.0100.00316.89
7.0.270.0120.00216.77
7.0.260.0120.00316.90
7.0.250.0080.00817.29
7.0.240.0060.00816.90
7.0.230.0140.00017.03
7.0.220.0070.00716.77
7.0.210.0140.00016.71
7.0.200.0140.00016.92
7.0.190.0150.00017.00
7.0.180.0090.00616.90
7.0.170.0080.00516.86
7.0.160.0080.00516.77
7.0.150.0070.00716.81
7.0.140.0110.00416.89
7.0.130.0140.00016.80
7.0.120.0100.00316.84
7.0.110.0090.00416.89
7.0.100.0070.00716.65
7.0.90.0090.00416.78
7.0.80.0060.00616.65
7.0.70.0090.00616.66
7.0.60.0090.00416.75
7.0.50.0160.00016.55
7.0.40.0140.00017.05
7.0.30.0120.00217.03
7.0.20.0150.00016.95
7.0.10.0070.00716.89
7.0.00.0050.00916.93
5.6.400.0150.00016.52
5.6.390.0070.00716.52
5.6.380.0110.00416.52
5.6.370.0150.00016.52
5.6.360.0090.00516.52
5.6.350.0090.00416.52
5.6.340.0070.00716.52
5.6.330.0140.00016.52
5.6.320.0140.00016.52
5.6.310.0130.00016.52
5.6.300.0100.00316.52
5.6.290.0030.01016.52
5.6.280.0110.00316.52
5.6.270.0140.00016.52
5.6.260.0040.00916.52
5.6.250.0100.00316.52
5.6.240.0080.00816.52
5.6.230.0060.00616.52
5.6.220.0140.00016.52
5.6.210.0140.00016.52
5.6.200.0100.00316.52
5.6.190.0130.00016.52
5.6.180.0110.00416.52
5.6.170.0140.00016.52
5.6.160.0080.00516.52
5.6.150.0120.00316.52
5.6.140.0130.00016.52
5.6.130.0140.00016.52
5.6.120.0070.00716.52
5.6.110.0110.00416.52
5.6.100.0100.00316.52
5.6.90.0100.00316.52
5.6.80.0120.00016.52
5.6.70.0090.00316.52
5.6.60.0100.00316.52
5.6.50.0110.00316.52
5.6.40.0100.00316.52
5.6.30.0130.00016.52
5.6.20.0040.00816.52
5.6.10.0130.00016.52
5.6.00.0120.00016.52
5.5.380.0130.00316.52
5.5.370.0060.00616.52
5.5.360.0100.00516.52
5.5.350.0090.00416.52
5.5.340.0030.01016.52
5.5.330.0040.00816.52
5.5.320.0090.00516.52
5.5.310.0140.00016.52
5.5.300.0070.00716.52
5.5.290.0080.00516.52
5.5.280.0100.00516.52
5.5.270.0100.00316.52
5.5.260.0050.00816.52
5.5.250.0110.00216.52
5.5.240.0060.00616.52
5.5.230.0100.00316.52
5.5.220.0130.00016.52
5.5.210.0060.00616.52
5.5.200.0080.00516.52
5.5.190.0100.00416.52
5.5.180.0090.00316.52
5.5.170.0090.00516.52
5.5.160.0110.00316.52
5.5.150.0080.00516.52
5.5.140.0090.00316.52
5.5.130.0110.00516.52
5.5.120.0140.00016.52
5.5.110.0030.01016.52
5.5.100.0110.00216.52
5.5.90.0170.00016.52
5.5.80.0100.00316.52
5.5.70.0040.00916.52
5.5.60.0060.00616.52
5.5.50.0120.00016.52
5.5.40.0100.00316.52
5.5.30.0100.00216.52
5.5.20.0080.00416.52
5.5.10.0080.00416.52
5.5.00.0130.00016.52
5.4.450.0100.00016.52
5.4.440.0100.00016.52
5.4.430.0050.00516.52
5.4.420.0080.00316.52
5.4.410.0050.00516.52
5.4.400.0070.00416.52
5.4.390.0120.00016.52
5.4.380.0110.00016.52
5.4.370.0070.00416.52
5.4.360.0070.00316.52
5.4.350.0110.00016.52
5.4.340.0070.00416.52
5.4.330.0080.00316.52
5.4.320.0080.00316.52
5.4.310.0070.00316.52
5.4.300.0100.00016.52
5.4.290.0080.00316.52
5.4.280.0080.00416.52
5.4.270.0110.00016.52
5.4.260.0000.01016.52
5.4.250.0110.00016.52
5.4.240.0070.00316.52
5.4.230.0000.01116.52
5.4.220.0080.00316.52
5.4.210.0080.00316.52
5.4.200.0070.00216.52
5.4.190.0090.00216.52
5.4.180.0070.00316.52
5.4.170.0110.00016.52
5.4.160.0100.00016.52
5.4.150.0070.00416.52
5.4.140.0000.01016.52
5.4.130.0060.00416.52
5.4.120.0120.00016.52
5.4.110.0080.00316.52
5.4.100.0040.00616.52
5.4.90.0100.00016.52
5.4.80.0100.00016.52
5.4.70.0080.00316.52
5.4.60.0100.00216.52
5.4.50.0050.00516.52
5.4.40.0000.01016.52
5.4.30.0080.00316.52
5.4.20.0040.00716.52
5.4.10.0050.00516.52
5.4.00.0050.00516.52
5.3.290.0070.00416.52
5.3.280.0100.00016.52
5.3.270.0090.00316.52
5.3.260.0080.00316.52
5.3.250.0090.00216.52
5.3.240.0050.00516.52
5.3.230.0100.00016.52
5.3.220.0100.00016.52
5.3.210.0100.00016.52
5.3.200.0000.01016.52
5.3.190.0080.00316.52
5.3.180.0070.00416.52
5.3.170.0000.01116.52
5.3.160.0070.00316.52
5.3.150.0040.00716.52
5.3.140.0080.00316.52
5.3.130.0050.00516.52
5.3.120.0050.00516.52
5.3.110.0100.00016.52
5.3.100.0080.00316.52
5.3.90.0040.00716.52
5.3.80.0090.00016.52
5.3.70.0050.00516.52
5.3.60.0100.00016.52
5.3.50.0060.00416.52
5.3.40.0080.00316.52
5.3.30.0050.00516.52
5.3.20.0090.00016.52
5.3.10.0050.00516.52
5.3.00.0100.00016.52
5.2.170.0000.00816.52
5.2.160.0060.00316.52
5.2.150.0000.00916.52
5.2.140.0040.00416.52
5.2.130.0040.00416.52
5.2.120.0040.00416.52
5.2.110.0000.00816.52
5.2.100.0060.00316.52
5.2.90.0060.00316.52
5.2.80.0000.00916.52
5.2.70.0050.00516.52
5.2.60.0040.00416.52
5.2.50.0090.00016.52
5.2.40.0040.00416.52
5.2.30.0030.00616.52
5.2.20.0080.00016.52
5.2.10.0080.00016.52
5.2.00.0080.00016.52
5.1.60.0000.00716.52
5.1.50.0060.00216.52
5.1.40.0070.00016.52
5.1.30.0050.00216.52
5.1.20.0040.00416.52
5.1.10.0040.00416.52
5.1.00.0080.00016.52
5.0.50.0020.00416.52
5.0.40.0040.00416.52
5.0.30.0060.00016.52
5.0.20.0060.00016.52
5.0.10.0070.00016.52
5.0.00.0060.00016.52
4.4.90.0030.00016.52
4.4.80.0040.00016.52
4.4.70.0020.00216.52
4.4.60.0000.00416.52
4.4.50.0000.00416.52
4.4.40.0030.00016.52
4.4.30.0030.00016.52
4.4.20.0040.00016.52
4.4.10.0020.00216.52
4.4.00.0020.00216.52
4.3.110.0030.00016.52
4.3.100.0000.00316.52
4.3.90.0000.00316.52
4.3.80.0000.00416.52
4.3.70.0030.00016.52
4.3.60.0000.00416.52
4.3.50.0000.00416.52
4.3.40.0040.00016.52
4.3.30.0000.00316.52
4.3.20.0000.00316.52
4.3.10.0000.00216.52
4.3.00.0030.00016.52

preferences:
129.12 ms | 403 KiB | 5 Q