3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_replace('/(?<=[a-z])([A-Z])/L', '_$1', 'AnaNaaZ'));

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)
8.3.40.0100.00718.75
8.3.30.0030.01019.09
8.3.20.0040.00420.38
8.3.10.0060.00321.82
8.3.00.0080.00019.13
8.2.170.0100.01022.96
8.2.160.0150.00020.43
8.2.150.0000.00724.18
8.2.140.0030.00524.66
8.2.130.0090.00626.16
8.2.120.0080.00021.03
8.2.110.0110.00719.27
8.2.100.0090.00317.72
8.2.90.0000.00818.92
8.2.80.0040.00417.97
8.2.70.0100.00017.38
8.2.60.0080.00017.68
8.2.50.0030.00518.07
8.2.40.0080.00018.09
8.2.30.0070.00017.94
8.2.20.0040.00417.47
8.2.10.0000.00817.84
8.2.00.0040.00417.50
8.1.270.0040.00423.84
8.1.260.0040.00426.35
8.1.250.0020.00528.09
8.1.240.0040.00422.04
8.1.230.0060.00618.68
8.1.220.0020.00517.74
8.1.210.0090.00018.77
8.1.200.0100.00017.23
8.1.190.0030.00616.98
8.1.180.0000.00818.10
8.1.170.0030.00518.59
8.1.160.0070.00021.94
8.1.150.0000.00718.70
8.1.140.0080.00017.25
8.1.130.0030.00317.75
8.1.120.0000.00717.32
8.1.110.0050.00217.34
8.1.100.0040.00417.16
8.1.90.0000.00717.34
8.1.80.0070.00017.36
8.1.70.0030.00317.30
8.1.60.0040.00417.45
8.1.50.0030.00617.25
8.1.40.0040.00417.21
8.1.30.0040.00417.41
8.1.20.0040.00417.43
8.1.10.0030.00617.43
8.1.00.0000.01017.16
8.0.300.0040.00420.25
8.0.290.0040.00416.58
8.0.280.0030.00318.38
8.0.270.0000.00817.14
8.0.260.0060.00017.06
8.0.250.0000.00716.89
8.0.240.0050.00516.88
8.0.230.0030.00516.87
8.0.220.0000.00716.71
8.0.210.0030.00316.68
8.0.200.0070.00016.87
8.0.190.0000.00716.86
8.0.180.0040.00416.84
8.0.170.0070.00016.81
8.0.160.0000.00716.73
8.0.150.0030.00316.74
8.0.140.0070.00016.68
8.0.130.0030.00313.27
8.0.120.0040.00416.79
8.0.110.0040.00416.80
8.0.100.0050.00316.67
8.0.90.0040.00416.94
8.0.80.0150.00616.85
8.0.70.0050.00316.73
8.0.60.0000.00716.69
8.0.50.0050.00316.72
8.0.30.0120.00916.88
8.0.20.0090.00917.40
8.0.10.0040.00416.98
8.0.00.0050.01316.63
7.4.330.0000.00515.00
7.4.320.0000.00716.45
7.4.300.0000.00816.36
7.4.290.0030.00616.31
7.4.280.0000.00716.44
7.4.270.0030.00316.28
7.4.260.0050.00516.44
7.4.250.0040.00416.29
7.4.240.0050.00216.44
7.4.230.0070.00016.55
7.4.220.0120.00616.49
7.4.210.0060.00716.47
7.4.200.0030.00316.27
7.4.160.0070.01016.47
7.4.150.0080.00817.40
7.4.140.0130.00317.86
7.4.130.0080.01416.32
7.4.120.0060.01116.33
7.4.110.0000.02216.54
7.4.100.0090.00916.43
7.4.90.0130.00316.19
7.4.80.0110.00719.39
7.4.70.0090.00616.46
7.4.60.0140.00316.29
7.4.50.0000.00816.36
7.4.40.0060.01616.07
7.4.30.0120.00316.40
7.4.00.0090.00614.84
7.3.330.0030.00313.02
7.3.320.0030.00313.06
7.3.310.0030.00316.13
7.3.300.0000.00716.03
7.3.290.0030.01116.20
7.3.280.0070.01316.14
7.3.270.0150.00317.40
7.3.260.0070.01016.18
7.3.250.0060.01516.20
7.3.240.0120.01116.30
7.3.230.0140.00716.39
7.3.210.0070.01016.47
7.3.200.0100.00719.39
7.3.190.0000.01816.22
7.3.180.0120.00916.30
7.3.170.0060.00916.48
7.3.160.0100.01416.16
7.2.330.0150.00316.05
7.2.320.0060.01316.17
7.2.310.0030.01416.53
7.2.300.0100.00716.36
7.2.290.0060.01016.19
7.2.00.0000.01119.18
7.1.100.0030.01017.85
7.1.70.0000.00717.04
7.1.60.0070.01719.40
7.1.50.0100.01016.52
7.1.00.0030.07722.44
7.0.200.0000.00816.59
7.0.140.0000.07322.20
7.0.60.0070.07719.96
7.0.50.0000.07017.74
7.0.40.0100.07720.40
7.0.30.0430.05020.24
7.0.20.0070.05020.30
7.0.10.0070.05020.00
7.0.00.0030.04320.18
5.6.280.0070.07020.77
5.6.210.0100.07320.50
5.6.200.0030.05718.12
5.6.190.0100.08020.62
5.6.180.0230.06720.41
5.6.170.0270.06720.61
5.6.160.0000.08720.40
5.6.150.0130.07718.21
5.6.140.0030.06718.20
5.6.130.0100.05718.15
5.6.120.0130.06721.11
5.6.110.0070.07320.98
5.6.100.0170.07720.96
5.6.90.0100.06321.01
5.6.80.0130.06020.33
5.5.350.0230.07020.43
5.5.340.0070.07018.02
5.5.330.0030.08320.37
5.5.320.0400.06320.29
5.5.310.0400.07320.18
5.5.300.0100.06318.01
5.5.290.0070.08317.96
5.5.280.0070.08320.73
5.5.270.0030.09020.88
5.5.260.0100.07020.75
5.5.250.0070.05720.77
5.5.240.0200.07720.25
5.4.450.0430.04319.21
5.4.440.0270.04719.26
5.4.430.0330.05319.40
5.4.420.0370.03319.10
5.4.410.0400.04318.97
5.4.400.0500.03719.09
5.4.390.0370.05719.25
5.4.380.0230.06318.72
5.4.370.0400.06318.52
5.4.360.0370.05318.77
5.4.350.0230.06718.69
5.4.340.0370.04718.43
5.4.320.0060.04112.45
5.4.310.0050.03812.45
5.4.300.0060.03612.45
5.4.290.0050.03812.45
5.4.280.0070.04312.34
5.4.270.0040.03712.34
5.4.260.0040.03812.34
5.4.250.0040.03912.34
5.4.240.0070.03412.34
5.4.230.0040.03812.34
5.4.220.0060.04012.34
5.4.210.0060.03412.34
5.4.200.0070.03612.34
5.4.190.0080.03312.34
5.4.180.0040.03712.33
5.4.170.0070.03412.34
5.4.160.0050.03512.34
5.4.150.0050.03512.34
5.4.140.0070.03712.02
5.4.130.0090.03812.01
5.4.120.0070.03411.97
5.4.110.0070.03811.96
5.4.100.0080.03811.96
5.4.90.0060.03611.96
5.4.80.0050.03711.96
5.4.70.0070.03311.96
5.4.60.0070.03411.96
5.4.50.0040.03811.96
5.4.40.0050.03511.95
5.4.30.0060.03711.94
5.4.20.0090.04111.94
5.4.10.0090.03111.95
5.4.00.0060.03411.44
5.3.290.0050.04012.80
5.3.280.0070.03612.71
5.3.270.0050.04112.72
5.3.260.0080.04312.72
5.3.250.0070.03812.72
5.3.240.0060.03512.72
5.3.230.0070.03612.71
5.3.220.0070.03512.68
5.3.210.0050.03912.68
5.3.200.0070.03512.68
5.3.190.0080.03412.68
5.3.180.0050.04412.67
5.3.170.0060.03612.67
5.3.160.0070.04112.68
5.3.150.0070.03612.67
5.3.140.0070.03412.66
5.3.130.0080.03612.66
5.3.120.0080.03712.66
5.3.110.0040.03912.66
5.3.100.0080.03712.12
5.3.90.0060.03912.09
5.3.80.0080.03412.08
5.3.70.0040.03912.07
5.3.60.0070.03912.06
5.3.50.0070.03512.00
5.3.40.0040.04012.00
5.3.30.0040.03911.94
5.3.20.0060.04211.72
5.3.10.0040.03511.69
5.3.00.0050.03711.67
5.2.170.0020.0329.17
5.2.160.0050.0369.18
5.2.150.0070.0279.18
5.2.140.0030.0349.18
5.2.130.0040.0289.13
5.2.120.0030.0309.14
5.2.110.0040.0289.14
5.2.100.0020.0309.13
5.2.90.0050.0309.14
5.2.80.0060.0299.13
5.2.70.0060.0289.13
5.2.60.0040.0319.09
5.2.50.0060.0299.05
5.2.40.0050.0289.03
5.2.30.0060.0289.00
5.2.20.0040.0299.00
5.2.10.0090.0248.91
5.2.00.0060.0288.77
5.1.60.0090.0228.06
5.1.50.0030.0268.06
5.1.40.0070.0218.04
5.1.30.0060.0238.39
5.1.20.0040.0268.41
5.1.10.0040.0268.13
5.1.00.0050.0268.13
5.0.50.0100.0246.61
5.0.40.0040.0186.47
5.0.30.0030.0316.28
5.0.20.0010.0216.25
5.0.10.0040.0196.23
5.0.00.0040.0306.22
4.4.90.0050.0134.78
4.4.80.0020.0154.75
4.4.70.0020.0164.75
4.4.60.0020.0164.75
4.4.50.0020.0164.77
4.4.40.0010.0274.71
4.4.30.0040.0174.76
4.4.20.0030.0154.85
4.4.10.0010.0174.85
4.4.00.0020.0254.76
4.3.110.0030.0154.67
4.3.100.0020.0154.66
4.3.90.0020.0154.63
4.3.80.0040.0234.59
4.3.70.0010.0164.63
4.3.60.0040.0134.63
4.3.50.0010.0194.62
4.3.40.0020.0254.53
4.3.30.0020.0163.28
4.3.20.0000.0203.25
4.3.10.0020.0153.21
4.3.00.0000.02015.92

preferences:
38.66 ms | 400 KiB | 5 Q