3v4l.org

run code in 300+ PHP versions simultaneously
<?php preg_match("/(\W+)?/", "a3/asdas/",$matches); print_r($matches);

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)
8.3.40.0100.00318.82
8.3.30.0090.00618.63
8.3.20.0080.00018.91
8.3.10.0000.00818.74
8.3.00.0080.00019.50
8.2.170.0170.00322.96
8.2.160.0100.00320.53
8.2.150.0000.00724.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0030.00620.48
8.2.110.0030.00721.15
8.2.100.0040.00817.91
8.2.90.0030.00819.30
8.2.80.0000.00819.34
8.2.70.0000.00817.50
8.2.60.0000.00817.80
8.2.50.0040.00418.07
8.2.40.0000.00818.09
8.2.30.0070.00017.82
8.2.20.0060.00317.55
8.2.10.0040.00417.69
8.2.00.0050.00517.63
8.1.270.0070.00024.66
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0000.00922.38
8.1.230.0040.00720.88
8.1.220.0050.00317.74
8.1.210.0030.00618.77
8.1.200.0060.00317.25
8.1.190.0070.00017.41
8.1.180.0040.00418.10
8.1.170.0060.00318.84
8.1.160.0040.00418.66
8.1.150.0000.00718.58
8.1.140.0070.00017.46
8.1.130.0030.00317.78
8.1.120.0050.00217.38
8.1.110.0000.00717.32
8.1.100.0000.00817.52
8.1.90.0040.00417.39
8.1.80.0000.00817.46
8.1.70.0030.00317.46
8.1.60.0030.00717.48
8.1.50.0060.00317.52
8.1.40.0050.00317.57
8.1.30.0040.00417.65
8.1.20.0040.00417.65
8.1.10.0040.00417.54
8.1.00.0040.00417.57
8.0.300.0040.00419.73
8.0.290.0040.00416.63
8.0.280.0030.00318.27
8.0.270.0030.00317.06
8.0.260.0050.00316.91
8.0.250.0040.00416.86
8.0.240.0070.00016.94
8.0.230.0070.00017.01
8.0.220.0070.00016.88
8.0.210.0000.00716.75
8.0.200.0030.00316.84
8.0.190.0000.00716.88
8.0.180.0080.00016.84
8.0.170.0080.00016.92
8.0.160.0070.00016.99
8.0.150.0000.00816.82
8.0.140.0030.00516.85
8.0.130.0000.00613.30
8.0.120.0000.00816.78
8.0.110.0070.00016.75
8.0.100.0040.00416.69
8.0.90.0070.00016.78
8.0.80.0060.01016.79
8.0.70.0030.00516.76
8.0.60.0000.00716.88
8.0.50.0040.00416.89
8.0.30.0110.00817.12
8.0.20.0070.01216.99
8.0.10.0040.00417.02
8.0.00.0080.01016.94
7.4.330.0020.00212.98
7.4.320.0060.00016.68
7.4.300.0070.00016.60
7.4.290.0000.00716.69
7.4.280.0040.00416.59
7.4.270.0030.00316.64
7.4.260.0030.00313.36
7.4.250.0040.00416.49
7.4.240.0020.00516.66
7.4.230.0030.00316.34
7.4.220.0100.01016.70
7.4.210.0070.00916.60
7.4.200.0000.00816.58
7.4.190.0030.00316.73
7.4.160.0100.00616.68
7.4.150.0110.00616.63
7.4.140.0080.01316.58
7.4.130.0140.00316.63
7.4.120.0060.01316.55
7.4.110.0120.01616.62
7.4.100.0140.00316.62
7.4.90.0060.01116.76
7.4.80.0100.00719.39
7.4.70.0100.01016.77
7.4.60.0000.01816.55
7.4.50.0070.00316.37
7.4.40.0090.00916.54
7.4.30.0090.00916.44
7.4.00.0100.00715.10
7.3.330.0060.00213.08
7.3.320.0000.00613.13
7.3.310.0030.00316.43
7.3.300.0000.00616.19
7.3.290.0060.00916.29
7.3.280.0040.01416.27
7.3.270.0060.01016.31
7.3.260.0090.01316.37
7.3.250.0140.00316.48
7.3.240.0070.01016.30
7.3.230.0080.00916.18
7.3.210.0120.00616.64
7.3.200.0090.00616.28
7.3.190.0060.01516.51
7.3.180.0090.00616.38
7.3.170.0090.00616.34
7.3.160.0050.01416.25
7.3.120.0090.00614.88
7.2.330.0100.01016.46
7.2.320.0090.01316.42
7.2.310.0130.00916.45
7.2.300.0070.01016.52
7.2.290.0100.00616.54
7.2.60.0080.00616.72
7.1.200.0100.00315.68
7.1.70.0000.01017.30
7.1.60.0110.01419.40
7.1.50.0040.01816.86
7.1.00.0070.07322.38
7.0.200.0170.00714.81
7.0.140.0030.07321.96
7.0.120.0070.05722.18
7.0.60.0200.07020.03
7.0.50.0130.07717.98
7.0.40.0000.06020.11
7.0.30.0300.07720.08
7.0.20.0200.04720.20
7.0.10.0170.07720.21
7.0.00.0000.08720.25
5.6.210.0070.05320.49
5.6.200.0170.08018.20
5.6.190.0200.07320.65
5.6.180.0300.06320.61
5.6.170.0230.05720.44
5.6.160.0070.07320.55
5.6.150.0100.07318.23
5.6.140.0130.07318.18
5.6.130.0030.04718.17
5.6.120.0030.05720.97
5.6.110.0230.06321.02
5.6.100.0100.08021.08
5.6.90.0100.04021.11
5.6.80.0100.06720.50
5.5.350.0370.07720.29
5.5.340.0070.04018.04
5.5.330.0000.05020.19
5.5.320.0200.07720.27
5.5.310.0230.07720.36
5.5.300.0070.08317.97
5.5.290.0030.08717.95
5.5.280.0070.06320.73
5.5.270.0130.08020.61
5.5.260.0100.08320.78
5.5.250.0100.06320.57
5.5.240.0170.05720.25
5.4.450.0000.05019.51
5.4.440.0000.04319.44
5.4.430.0070.03719.58
5.4.420.0100.03719.39
5.4.410.0070.03319.34
5.4.400.0000.04019.08
5.4.390.0070.03718.92
5.4.380.0100.06719.24
5.4.370.0070.04319.23
5.4.360.0070.07718.94
5.4.350.0000.08319.20
5.4.340.0100.03319.00
5.4.320.0000.07718.87
5.4.310.0070.04019.14
5.4.300.0030.04718.91
5.4.290.0100.03319.23
5.4.280.0070.05019.23
5.4.270.0070.03719.00
5.4.260.0070.05719.14
5.4.250.0070.04719.14
5.4.240.0070.07319.14
5.4.230.0100.06719.25
5.4.220.0000.05019.19
5.4.210.0030.07019.14
5.4.200.0030.05319.11
5.4.190.0030.06018.96
5.4.180.0070.04018.84
5.4.170.0030.04018.86
5.4.160.0070.03719.23
5.4.150.0030.03718.98
5.4.140.0000.05716.32
5.4.130.0030.05016.34
5.4.120.0070.06716.49
5.4.110.0030.06316.49
5.4.100.0030.05016.39
5.4.90.0030.05316.39
5.4.80.0030.03716.32
5.4.70.0030.04316.44
5.4.60.0100.04716.36
5.4.50.0130.06316.36
5.4.40.0070.03316.66
5.4.30.0030.05016.39
5.4.20.0070.04316.43
5.4.10.0100.06716.50
5.4.00.0070.05315.77
5.3.290.0130.03014.68
5.3.280.0070.03714.59
5.3.270.0000.04314.59
5.3.260.0100.03314.74
5.3.250.0070.03314.60
5.3.240.0030.03714.74
5.3.230.0100.07314.59
5.3.220.0030.08014.44
5.3.210.0000.04714.57
5.3.200.0000.04314.56
5.3.190.0070.05314.48
5.3.180.0100.05014.58
5.3.170.0070.04014.60
5.3.160.0100.04314.57
5.3.150.0100.05014.61
5.3.140.0070.03314.59
5.3.130.0030.05714.59
5.3.120.0070.05014.59
5.3.110.0070.03714.53
5.3.100.0100.06714.04
5.3.90.0000.08313.93
5.3.80.0100.06714.01
5.3.70.0030.07314.18
5.3.60.0100.07013.94
5.3.50.0100.07013.88
5.3.40.0130.06313.98
5.3.30.0030.07713.86
5.3.20.0070.05013.73
5.3.10.0100.03713.59
5.3.00.0000.06013.65
5.2.170.0030.06311.11
5.2.160.0070.05711.17
5.2.150.0030.03311.11
5.2.140.0030.05711.19
5.2.130.0070.03011.11
5.2.120.0030.06311.25
5.2.110.0000.05711.14
5.2.100.0030.02711.04
5.2.90.0000.03311.15
5.2.80.0030.06710.98
5.2.70.0000.03311.08
5.2.60.0000.03011.04
5.2.50.0030.04311.07
5.2.40.0000.06710.91
5.2.30.0070.05710.98
5.2.20.0030.06310.84
5.2.10.0070.02710.86
5.2.00.0030.04310.76
5.1.60.0030.0539.98
5.1.50.0070.0309.98
5.1.40.0030.0239.93
5.1.30.0030.07010.36
5.1.20.0000.02710.42
5.1.10.0030.04310.07
5.1.00.0030.02310.03
5.0.50.0030.0478.69
5.0.40.0100.0308.43
5.0.30.0030.0438.43
5.0.20.0030.0478.43
5.0.10.0030.0208.43
5.0.00.0100.0438.43
4.4.90.0070.0138.43
4.4.80.0000.0278.43
4.4.70.0030.0238.43
4.4.60.0000.0408.43
4.4.50.0030.0178.43
4.4.40.0070.0538.43
4.4.30.0030.0138.43
4.4.20.0000.0208.43
4.4.10.0030.0178.43
4.4.00.0030.0538.43
4.3.110.0000.0308.43
4.3.100.0030.0338.43
4.3.90.0000.0208.43
4.3.80.0000.0378.43
4.3.70.0030.0208.43
4.3.60.0030.0308.43
4.3.50.0030.0178.43
4.3.40.0070.0338.43
4.3.30.0070.0108.43
4.3.20.0000.0238.43
4.3.10.0000.0178.43
4.3.00.0000.0178.43

preferences:
42.52 ms | 400 KiB | 5 Q