3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_match($r = '[foo\\[\\[[-.[:digit:][:space:]]+]', 'lorem foo[42 37 19 ] ipsum', $m), $m); echo "$r\n";

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)
8.3.60.0060.00916.75
8.3.50.0180.00823.06
8.3.40.0170.00319.00
8.3.30.0030.01219.09
8.3.20.0030.00620.13
8.3.10.0030.00623.66
8.3.00.0060.00319.51
8.2.180.0060.00918.66
8.2.170.0100.00322.96
8.2.160.0070.00720.47
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0030.00521.02
8.2.110.0090.00020.18
8.2.100.0110.00018.03
8.2.90.0050.00518.91
8.2.80.0080.00017.97
8.2.70.0040.00417.63
8.2.60.0000.00817.93
8.2.50.0000.01118.07
8.2.40.0040.00418.22
8.2.30.0040.00418.05
8.2.20.0000.00717.70
8.2.10.0000.00718.18
8.2.00.0000.00817.88
8.1.280.0100.00625.92
8.1.270.0050.00323.97
8.1.260.0000.00726.35
8.1.250.0030.00328.09
8.1.240.0000.00822.14
8.1.230.0070.00419.22
8.1.220.0000.00817.79
8.1.210.0050.00318.77
8.1.200.0030.00717.47
8.1.190.0000.00817.36
8.1.180.0030.00518.10
8.1.170.0000.00818.48
8.1.160.0040.00421.88
8.1.150.0040.00418.83
8.1.140.0040.00417.54
8.1.130.0070.00017.84
8.1.120.0040.00417.55
8.1.110.0000.00717.57
8.1.100.0050.00317.56
8.1.90.0000.00717.58
8.1.80.0090.00017.55
8.1.70.0080.00017.54
8.1.60.0040.00417.67
8.1.50.0040.00417.62
8.1.40.0040.00417.58
8.1.30.0040.00417.64
8.1.20.0070.00017.71
8.1.10.0040.00417.62
8.1.00.0040.00417.57
8.0.300.0040.00418.77
8.0.290.0070.00016.73
8.0.280.0030.00318.49
8.0.270.0070.00017.28
8.0.260.0030.00317.27
8.0.250.0070.00017.08
8.0.240.0050.00317.02
8.0.230.0000.00717.07
8.0.220.0000.00717.05
8.0.210.0000.00716.91
8.0.200.0060.00316.98
8.0.190.0080.00017.07
8.0.180.0040.00416.96
8.0.170.0050.00317.07
8.0.160.0040.00417.03
8.0.150.0000.00817.02
8.0.140.0000.00717.04
8.0.130.0030.00313.39
8.0.120.0080.00017.10
8.0.110.0000.00816.88
8.0.100.0000.00716.98
8.0.90.0050.00217.14
8.0.80.0060.01116.97
8.0.70.0040.00417.00
8.0.60.0000.00716.90
8.0.50.0000.00816.82
8.0.30.0140.00517.28
8.0.20.0070.01117.40
8.0.10.0050.00317.05
8.0.00.0140.00416.93
7.4.330.0050.00015.06
7.4.320.0060.00016.79
7.4.300.0030.00316.74
7.4.290.0000.00716.64
7.4.280.0070.00016.74
7.4.270.0000.00716.77
7.4.260.0080.00316.71
7.4.250.0030.00516.58
7.4.240.0030.00416.66
7.4.230.0040.00416.55
7.4.220.0090.01416.74
7.4.210.0100.00716.82
7.4.200.0040.00416.64
7.4.160.0130.00316.82
7.4.150.0100.00717.40
7.4.140.0050.01317.86
7.4.130.0100.01016.68
7.4.120.0100.00816.53
7.4.110.0130.00316.68
7.4.100.0100.01016.79
7.4.90.0090.00916.55
7.4.80.0060.01519.39
7.4.70.0000.01716.50
7.4.60.0170.00016.45
7.4.50.0030.00516.55
7.4.40.0090.01116.55
7.4.30.0090.01216.64
7.4.00.0030.01214.98
7.3.330.0000.00513.22
7.3.320.0000.00513.25
7.3.310.0000.00716.18
7.3.300.0050.00316.36
7.3.290.0030.01216.30
7.3.280.0120.00716.36
7.3.270.0140.00417.40
7.3.260.0170.00316.45
7.3.250.0100.01016.42
7.3.240.0120.00416.65
7.3.230.0100.00716.39
7.3.210.0130.00316.39
7.3.200.0130.00319.39
7.3.190.0080.00816.30
7.3.180.0080.00816.56
7.3.170.0000.01516.47
7.3.160.0160.00616.64
7.2.330.0090.01516.63
7.2.320.0090.01516.45
7.2.310.0030.01616.60
7.2.300.0070.01116.54
7.2.290.0130.00316.59
7.2.60.0040.00717.04
7.1.200.0070.00416.02
7.1.100.0070.00418.34
7.1.70.0040.01217.32
7.1.60.0130.01019.46
7.1.50.0080.00317.15
7.1.00.0000.08022.38
7.0.200.0030.00716.95
7.0.140.0100.06322.07
7.0.60.0070.03719.89
7.0.50.0030.07317.90
7.0.40.0100.05320.11
7.0.30.0500.06020.15
7.0.20.0470.06320.12
7.0.10.0030.05720.32
7.0.00.0000.06320.13
5.6.280.0070.07321.03
5.6.210.0130.06320.46
5.6.200.0070.08318.21
5.6.190.0030.07720.60
5.6.180.0230.05020.67
5.6.170.0200.03720.33
5.6.160.0070.05020.51
5.6.150.0100.07318.22
5.6.140.0070.05318.22
5.6.130.0170.07318.16
5.6.120.0070.06020.97
5.6.110.0200.07720.99
5.6.100.0070.08321.00
5.6.90.0100.04720.96
5.6.80.0070.07320.51
5.6.70.3500.03020.36
5.5.350.0100.08320.43
5.5.340.0100.06317.89
5.5.330.0070.06720.25
5.5.320.0030.04320.29
5.5.310.0070.05020.26
5.5.300.0000.08317.95
5.5.290.0000.05317.94
5.5.280.0000.06320.65
5.5.270.0100.08320.96
5.5.260.0000.09020.83
5.5.250.0030.04720.60
5.5.240.0230.08020.03
5.4.450.0370.04319.57
5.4.440.0430.04719.43
5.4.430.0430.04719.24
5.4.420.0300.04319.40
5.4.410.0430.04319.30
5.4.400.0230.04319.09
5.4.390.0170.03718.77
5.4.380.0230.07018.76
5.4.370.0370.05318.56
5.4.360.0330.06018.62
5.4.350.0430.04718.51
5.4.340.0300.05318.63
5.4.320.0050.04012.45
5.4.310.0070.05012.45
5.4.300.0030.04012.45
5.4.290.0110.03312.45
5.4.280.0050.03712.35
5.4.270.0070.03512.35
5.4.260.0050.03812.35
5.4.250.0050.03912.35
5.4.240.0090.03612.35
5.4.230.0120.04712.34
5.4.220.0070.04012.34
5.4.210.0130.05112.34
5.4.200.0060.04112.34
5.4.190.0110.03312.34
5.4.180.0080.03912.34
5.4.170.0050.03912.35
5.4.160.0070.03412.34
5.4.150.0060.03612.34
5.4.140.0070.03712.02
5.4.130.0080.04812.01
5.4.120.0080.05011.97
5.4.110.0090.04811.96
5.4.100.0060.04911.97
5.4.90.0070.03911.97
5.4.80.0030.04111.97
5.4.70.0060.03611.96
5.4.60.0070.03511.96
5.4.50.0040.03811.96
5.4.40.0060.03511.96
5.4.30.0050.03711.95
5.4.20.0040.03811.95
5.4.10.0110.04411.95
5.4.00.0050.05211.44
5.3.290.0060.04012.80
5.3.280.0090.04012.71
5.3.270.0060.04012.72
5.3.260.0040.04112.72
5.3.250.0060.03812.72
5.3.240.0110.03312.72
5.3.230.0080.03712.71
5.3.220.0060.03812.68
5.3.210.0050.04112.68
5.3.200.0060.03912.68
5.3.190.0070.04212.67
5.3.180.0130.03612.68
5.3.170.0080.05212.67
5.3.160.0090.04912.67
5.3.150.0100.03412.67
5.3.140.0100.03312.66
5.3.130.0080.03712.66
5.3.120.0080.03612.66
5.3.110.0070.03912.65
5.3.100.0080.03512.12
5.3.90.0050.03812.08
5.3.80.0070.03512.07
5.3.70.0080.03512.07
5.3.60.0080.03412.06
5.3.50.0070.03412.00
5.3.40.0110.03112.00
5.3.30.0040.03711.96
5.3.20.0080.03311.75
5.3.10.0050.03611.71
5.3.00.0060.03511.70
5.2.170.0060.0299.20
5.2.160.0070.0279.20
5.2.150.0060.0359.20
5.2.140.0050.0309.20
5.2.130.0080.0279.16
5.2.120.0050.0299.15
5.2.110.0050.0309.16
5.2.100.0060.0279.16
5.2.90.0090.0339.16
5.2.80.0060.0399.16
5.2.70.0080.0319.16
5.2.60.0060.0299.11
5.2.50.0030.0329.07
5.2.40.0030.0319.06
5.2.30.0100.0259.03
5.2.20.0060.0289.02
5.2.10.0030.0318.92
5.2.00.0050.0298.78
5.1.60.0050.0328.07
5.1.50.0090.0308.07
5.1.40.0030.0338.05
5.1.30.0050.0258.39
5.1.20.0070.0248.41
5.1.10.0040.0268.14
5.1.00.0050.0258.14
5.0.50.0050.0286.61
5.0.40.0060.0276.47
5.0.30.0070.0396.29
5.0.20.0050.0186.26
5.0.10.0030.0216.23
5.0.00.0030.0326.23
4.4.90.0030.0164.78
4.4.80.0040.0144.75
4.4.70.0060.0124.75
4.4.60.0000.0244.75
4.4.50.0030.0154.77
4.4.40.0020.0264.71
4.4.30.0060.0124.76
4.4.20.0030.0164.84
4.4.10.0050.0134.84
4.4.00.0040.0244.76
4.3.110.0060.0134.66
4.3.100.0030.0154.66
4.3.90.0030.0144.63
4.3.80.0030.0244.59
4.3.70.0030.0144.63
4.3.60.0050.0124.63
4.3.50.0010.0174.63
4.3.40.0030.0244.54
4.3.30.0010.0173.29
4.3.20.0030.0153.26
4.3.10.0000.0183.21
4.3.00.0000.02014.87

preferences:
47.27 ms | 400 KiB | 5 Q