3v4l.org

run code in 300+ PHP versions simultaneously
<?php //echo preg_replace('/(?:(?!dog).)++/', '<$0>', 'where my dog is now?'); echo preg_replace('/(?!ba)..|(*SKIP)../', '<$0>', 'aabaabaaaaabbb');

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)
8.3.70.0120.00316.38
8.3.60.0100.00518.40
8.3.50.0120.00721.21
8.3.40.0130.00718.92
8.3.30.0100.00718.95
8.3.20.0070.00020.16
8.3.10.0030.00522.14
8.3.00.0040.00422.39
8.2.190.0070.00718.54
8.2.180.0090.00616.75
8.2.170.0070.01122.96
8.2.160.0070.00720.43
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0130.00626.16
8.2.120.0040.00419.53
8.2.110.0070.00319.52
8.2.100.0080.00317.84
8.2.90.0030.00519.05
8.2.80.0000.00817.97
8.2.70.0050.00317.75
8.2.60.0000.00817.80
8.2.50.0000.00818.10
8.2.40.0080.00017.84
8.2.30.0030.00517.97
8.2.20.0000.00717.65
8.2.10.0040.00417.70
8.2.00.0040.00417.68
8.1.280.0030.01025.92
8.1.270.0040.00420.45
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0080.00022.62
8.1.230.0080.00417.77
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0060.00317.23
8.1.190.0000.00917.35
8.1.180.0000.00918.10
8.1.170.0040.00418.60
8.1.160.0030.00322.15
8.1.150.0050.00218.62
8.1.140.0030.00617.44
8.1.130.0000.00717.77
8.1.120.0000.00717.43
8.1.110.0040.00417.48
8.1.100.0000.00817.52
8.1.90.0000.00817.49
8.1.80.0000.00717.38
8.1.70.0030.00317.39
8.1.60.0050.00517.63
8.1.50.0000.00717.36
8.1.40.0080.00017.40
8.1.30.0030.00517.64
8.1.20.0030.00617.68
8.1.10.0060.00317.56
8.1.00.0030.00717.38
8.0.300.0040.00418.77
8.0.290.0080.00016.72
8.0.280.0040.00418.39
8.0.270.0040.00417.07
8.0.260.0000.00716.93
8.0.250.0030.00317.02
8.0.240.0000.00716.96
8.0.230.0070.00016.96
8.0.220.0000.00716.93
8.0.210.0000.00816.90
8.0.200.0040.00416.94
8.0.190.0080.00016.93
8.0.180.0040.00416.89
8.0.170.0040.00416.88
8.0.160.0040.00316.81
8.0.150.0070.00016.84
8.0.140.0000.00716.86
8.0.130.0030.00313.32
8.0.120.0000.00816.80
8.0.110.0030.00316.87
8.0.100.0000.00816.77
8.0.90.0040.00416.91
8.0.80.0090.00616.83
8.0.70.0040.00416.90
8.0.60.0050.00216.93
8.0.50.0080.00016.96
8.0.30.0090.01117.16
8.0.20.0090.00917.42
8.0.10.0040.00417.05
8.0.00.0070.01216.70
7.4.330.0020.00215.00
7.4.320.0030.00316.67
7.4.300.0030.00316.58
7.4.290.0050.00216.64
7.4.280.0030.00316.58
7.4.270.0000.00616.48
7.4.260.0070.00016.45
7.4.250.0000.00816.55
7.4.240.0020.00616.65
7.4.230.0070.00016.55
7.4.220.0130.00316.62
7.4.210.0010.01416.60
7.4.200.0000.00716.65
7.4.190.0040.00416.55
7.4.160.0030.01316.50
7.4.150.0090.01117.40
7.4.140.0150.00517.86
7.4.130.0090.00916.56
7.4.120.0110.00516.45
7.4.110.0040.01416.78
7.4.100.0130.00316.66
7.4.90.0100.01316.53
7.4.80.0060.01119.39
7.4.70.0070.01016.45
7.4.60.0130.00316.64
7.4.50.0080.00016.41
7.4.40.0070.01122.77
7.4.30.0040.01116.40
7.3.330.0000.00613.20
7.3.320.0020.00213.11
7.3.310.0070.00016.19
7.3.300.0000.00716.14
7.3.290.0060.01216.32
7.3.280.0120.00516.29
7.3.270.0070.01117.40
7.3.260.0090.00916.58
7.3.250.0140.00816.28
7.3.240.0090.00916.36
7.3.230.0090.00916.66
7.3.210.0090.00916.60
7.3.200.0130.00319.39
7.3.190.0060.01416.73
7.3.180.0120.00316.54
7.3.170.0160.00016.29
7.3.160.0040.01116.20
7.2.330.0140.00416.55
7.2.320.0090.01216.57
7.2.310.0160.00516.67
7.2.300.0080.00816.55
7.2.290.0120.00416.49
7.1.00.0070.03322.46
7.0.140.0030.07321.95
5.6.280.0000.07320.80
5.4.450.0300.05019.25
5.4.440.0230.06719.45
5.4.430.0200.08019.41
5.4.420.0130.04019.56
5.4.410.0270.03319.36
5.4.400.0170.05018.89
5.4.390.0230.04719.20
5.4.380.0230.07018.78
5.4.370.0330.06718.90
5.4.360.0170.07719.10
5.4.350.0270.03719.07
5.4.340.0270.04318.80
5.4.320.0270.04718.92
5.4.310.0270.07019.16
5.4.300.0230.04319.08
5.4.290.0270.05719.15
5.4.280.0200.04018.93
5.4.270.0230.05319.08
5.4.260.0300.03318.88
5.4.250.0170.04018.80
5.4.240.0330.04719.13
5.4.230.0200.06318.88
5.4.220.0200.07719.16
5.4.210.0170.05318.93
5.4.200.0230.07019.17
5.4.190.0170.04019.04
5.4.180.0100.04719.07
5.4.170.0170.04018.79
5.4.160.0200.07319.13
5.4.150.0170.07319.08
5.4.140.0230.05716.55
5.4.130.0270.06316.31
5.4.120.0200.04016.30
5.4.110.0230.03716.50
5.4.100.0130.04316.23
5.4.90.0130.03716.48
5.4.80.0200.06316.41
5.4.70.0300.06316.41
5.4.60.0400.02716.45
5.4.50.0230.06716.06
5.4.40.0230.06016.36
5.4.30.0200.04316.36
5.4.20.0200.05016.16
5.4.10.0170.04016.40
5.4.00.0170.07315.67
5.3.290.0130.04014.61
5.3.280.0170.05014.43
5.3.270.0170.04014.44
5.3.260.0200.06014.46
5.3.250.0200.03314.44
5.3.240.0200.04714.55
5.3.230.0170.04014.46
5.3.220.0230.03714.61
5.3.210.0230.04014.42
5.3.200.0130.04014.40
5.3.190.0170.06714.41
5.3.180.0300.06014.40
5.3.170.0200.03314.42
5.3.160.0200.04714.43
5.3.150.0200.06714.49
5.3.140.0270.04714.53
5.3.130.0170.04314.40
5.3.120.0200.05014.63
5.3.110.0300.05714.40
5.3.100.0330.06013.88
5.3.90.0270.06013.85
5.3.80.0200.06713.96
5.3.70.0100.04713.85
5.3.60.0130.03713.80
5.3.50.0170.04713.79
5.3.40.0200.03314.04
5.3.30.0302.43013.61
5.3.20.0072.42313.46
5.3.10.0102.46713.50
5.3.00.0272.38713.27

preferences:
75.36 ms | 401 KiB | 5 Q