3v4l.org

run code in 300+ PHP versions simultaneously
<?php preg_match('/a{3}(*SKIP:MARK_A)c/', 'aaaac', $matches); var_dump($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)
8.3.60.0110.00718.56
8.3.50.0100.01022.08
8.3.40.0030.01418.58
8.3.30.0100.00719.09
8.3.20.0070.00020.30
8.3.10.0060.00323.70
8.3.00.0030.00620.83
8.2.180.0110.00716.37
8.2.170.0040.01122.96
8.2.160.0100.00320.39
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0050.00226.16
8.2.120.0040.00420.88
8.2.110.0090.00022.34
8.2.100.0040.00717.78
8.2.90.0040.00419.09
8.2.80.0000.00917.97
8.2.70.0030.00717.75
8.2.60.0050.00317.91
8.2.50.0060.00318.07
8.2.40.0030.00519.88
8.2.30.0000.00718.12
8.2.20.0030.00517.75
8.2.10.0000.00717.95
8.2.00.0000.00717.57
8.1.280.0170.00325.92
8.1.270.0030.00523.77
8.1.260.0000.00826.35
8.1.250.0050.00328.09
8.1.240.0060.00322.14
8.1.230.0050.00519.15
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0000.00817.23
8.1.190.0050.00317.13
8.1.180.0000.00818.10
8.1.170.0000.00818.58
8.1.160.0040.00421.97
8.1.150.0040.00418.64
8.1.140.0040.00417.42
8.1.130.0030.00317.68
8.1.120.0030.00317.52
8.1.110.0040.00417.44
8.1.100.0040.00417.47
8.1.90.0040.00317.38
8.1.80.0050.00317.39
8.1.70.0000.00717.34
8.1.60.0030.00917.52
8.1.50.0080.00017.52
8.1.40.0000.00817.59
8.1.30.0000.00817.58
8.1.20.0030.00517.56
8.1.10.0000.00717.64
8.1.00.0040.00417.52
8.0.300.0050.00218.77
8.0.290.0040.00417.05
8.0.280.0050.00318.25
8.0.270.0000.00717.20
8.0.260.0030.00317.14
8.0.250.0030.00316.95
8.0.240.0000.00616.94
8.0.230.0040.00416.89
8.0.220.0030.00516.83
8.0.210.0000.00816.93
8.0.200.0030.00316.87
8.0.190.0000.00816.96
8.0.180.0040.00416.95
8.0.170.0040.00416.91
8.0.160.0030.00317.04
8.0.150.0030.00316.73
8.0.140.0040.00416.75
8.0.130.0030.00313.29
8.0.120.0000.00716.90
8.0.110.0000.00716.94
8.0.100.0000.00716.89
8.0.90.0040.00416.84
8.0.80.0110.01116.97
8.0.70.0040.00416.92
8.0.60.0000.00716.77
8.0.50.0000.00716.75
8.0.30.0080.01017.02
8.0.20.0080.01117.40
8.0.10.0070.00017.09
8.0.00.0130.00316.80
7.4.330.0000.00515.00
7.4.320.0030.00316.44
7.4.300.0060.00016.48
7.4.290.0000.00816.60
7.4.280.0060.00316.55
7.4.270.0040.00416.65
7.4.260.0080.00016.52
7.4.250.0040.00416.51
7.4.240.0000.00716.71
7.4.230.0040.00416.71
7.4.220.0060.01216.50
7.4.210.0070.00616.75
7.4.200.0070.00016.44
7.4.190.0070.00016.48
7.4.160.0120.00316.46
7.4.150.0070.01117.40
7.4.140.0090.01217.86
7.4.130.0090.00916.50
7.4.120.0110.00816.36
7.4.110.0140.00416.58
7.4.100.0080.00816.49
7.4.90.0080.00816.64
7.4.80.0150.00919.39
7.4.70.0090.00616.40
7.4.60.0120.00916.57
7.4.50.0000.00716.31
7.4.40.0100.01016.48
7.4.30.0170.00316.64
7.4.00.0060.00614.60
7.3.330.0060.00013.13
7.3.320.0000.00613.20
7.3.310.0030.00516.29
7.3.300.0000.00716.14
7.3.290.0050.00916.35
7.3.280.0110.00716.29
7.3.270.0100.01417.40
7.3.260.0100.01016.55
7.3.250.0120.00716.57
7.3.240.0090.01116.33
7.3.230.0130.00316.56
7.3.210.0070.01116.23
7.3.200.0090.00619.39
7.3.190.0060.01216.46
7.3.180.0080.00816.60
7.3.170.0060.00916.34
7.3.160.0140.00416.55
7.3.120.0060.01014.71
7.3.10.0100.00316.73
7.3.00.0120.00016.70
7.2.330.0080.00816.57
7.2.320.0100.00616.62
7.2.310.0060.00916.61
7.2.300.0150.00416.48
7.2.290.0100.01316.63
7.2.130.0060.00316.79
7.2.120.0100.00316.81
7.2.110.0070.00316.92
7.2.100.0000.01016.89
7.2.90.0040.00816.95
7.2.80.0070.00317.09
7.2.70.0000.01216.88
7.2.60.0050.00516.80
7.2.50.0030.01116.75
7.2.40.0000.01416.50
7.2.30.0040.00716.97
7.2.20.0030.00616.87
7.2.10.0000.01016.68
7.2.00.0000.00916.89
7.1.250.0000.01215.61
7.1.200.0110.00015.97
7.1.100.0030.00718.47
7.1.70.0050.00217.23
7.1.60.0120.01219.70
7.1.50.0070.01316.96
7.1.00.0070.07322.29
7.0.200.0100.00016.86
7.0.140.0000.07722.16
7.0.60.0130.07720.03
7.0.50.0070.08017.79
7.0.40.0070.04319.92
7.0.30.0200.04320.14
7.0.20.0230.07020.24
7.0.10.0070.04020.14
7.0.00.0070.08720.19
5.6.280.0070.06721.03
5.6.210.0100.03320.60
5.6.200.0070.08318.20
5.6.190.0000.05720.36
5.6.180.3430.04320.41
5.6.170.0100.05020.52
5.6.160.0170.07320.71
5.6.150.0070.05018.13
5.6.140.0100.04018.21
5.6.130.0070.04018.09
5.6.120.0030.05320.99
5.6.110.0130.06720.98
5.6.100.0000.06320.96
5.6.90.0100.08720.99
5.6.80.0100.07320.50
5.6.70.4500.03720.49
5.5.350.0070.08320.40
5.5.340.0030.08017.92
5.5.330.0200.07020.29
5.5.320.3200.03720.42
5.5.310.0370.06720.41
5.5.300.0000.04317.95
5.5.290.0000.04717.87
5.5.280.0170.07720.76
5.5.270.0130.08020.64
5.5.260.0130.05720.95
5.5.250.0130.07320.69
5.5.240.0230.03720.06
5.4.450.0270.06019.46
5.4.440.0200.07719.13
5.4.430.0230.03719.13
5.4.420.0200.04019.41
5.4.410.0230.03319.44
5.4.400.0200.03319.25
5.4.390.0100.04719.08
5.4.380.0170.04318.79
5.4.370.0230.04019.13
5.4.360.0130.04019.09
5.4.350.0200.04018.79
5.4.340.0230.03318.92
5.4.320.0130.04018.88
5.4.310.0170.03718.91
5.4.300.0230.03719.08
5.4.290.0200.03319.09
5.4.280.0130.04319.08
5.4.270.0200.04319.08
5.4.260.0170.04719.16
5.4.250.0170.03718.94
5.4.240.0170.03718.90
5.4.230.0200.04719.15
5.4.220.0230.06019.09
5.4.210.0270.02718.92
5.4.200.0170.04019.09
5.4.190.0230.05719.09
5.4.180.0200.05019.19
5.4.170.0130.04018.86
5.4.160.0170.05018.89
5.4.150.0370.04019.07
5.4.140.0270.04016.41
5.4.130.0230.04316.26
5.4.120.0300.03016.24
5.4.110.0370.04016.21
5.4.100.0300.04316.39
5.4.90.0200.03716.22
5.4.80.0270.07016.45
5.4.70.0300.04316.38
5.4.60.0230.04716.41
5.4.50.0230.07016.38
5.4.40.0230.04316.36
5.4.30.0230.05016.31
5.4.20.0130.04016.41
5.4.10.0270.05316.36
5.4.00.0470.02315.82
5.3.290.0300.03014.57
5.3.280.0270.06314.54
5.3.270.0130.04314.57
5.3.260.0130.04014.63
5.3.250.0270.06014.71
5.3.240.0300.06714.43
5.3.230.0300.06714.68
5.3.220.0270.04014.53
5.3.210.0230.07314.51
5.3.200.0270.05314.65
5.3.190.0170.04314.43
5.3.180.0330.07014.39
5.3.170.0330.06314.58
5.3.160.0230.07714.42
5.3.150.0230.07314.40
5.3.140.0300.07014.47
5.3.130.0230.05014.39
5.3.120.0200.05314.49
5.3.110.0170.04714.40
5.3.100.0230.07713.87
5.3.90.0300.07013.97
5.3.80.0300.07014.06
5.3.70.0300.06713.79
5.3.60.0330.06013.95
5.3.50.0230.06013.73
5.3.40.0300.07013.79
5.3.30.0200.07313.70
5.3.20.0230.04713.67
5.3.10.0270.03013.63
5.3.00.0270.03013.54
5.2.170.0200.04012.17
5.2.160.0230.05712.17
5.2.150.0270.05712.17
5.2.140.0270.06012.17
5.2.130.0230.06012.17
5.2.120.0270.03712.17
5.2.110.0170.03712.17
5.2.100.0230.04012.17
5.2.90.0170.05312.17
5.2.80.0230.03012.17
5.2.70.0130.03712.17
5.2.60.0170.06012.17
5.2.50.0200.03312.17
5.2.40.0170.06012.17
5.2.30.0200.04312.17
5.2.20.0170.06012.17
5.2.10.0200.03312.17
5.2.00.0170.04012.17
5.1.60.0200.04312.17
5.1.50.0170.04712.17
5.1.40.0200.05012.17
5.1.30.0200.03712.17
5.1.20.0200.05312.17
5.1.10.0200.05012.17
5.1.00.0170.04312.17
5.0.50.0100.03012.17
5.0.40.0130.04012.17
5.0.30.0070.07012.17
5.0.20.0070.03312.17
5.0.10.0170.03712.17
5.0.00.0100.06312.17
4.4.90.0130.03312.17
4.4.80.0130.02012.17
4.4.70.0100.03012.17
4.4.60.0170.03012.17
4.4.50.0130.03312.17
4.4.40.0070.05312.17
4.4.30.0030.02312.17
4.4.20.0100.03312.17
4.4.10.0030.03712.17
4.4.00.0030.03712.17
4.3.110.0070.03712.17
4.3.100.0130.03012.17
4.3.90.0100.02312.17
4.3.80.0030.04312.17
4.3.70.0130.02312.17
4.3.60.0100.01312.17
4.3.50.0100.02012.17
4.3.40.0070.04012.17
4.3.30.0100.03312.17
4.3.20.0030.04012.17
4.3.10.0000.02012.17
4.3.00.0070.03712.17

preferences:
55.71 ms | 401 KiB | 5 Q