3v4l.org

run code in 300+ PHP versions simultaneously
<?php $result = preg_replace('/(?<=[a-zA-Z])([A-Z])(?=[a-zA-Z])/', "_$1", 'spbAddress12'); print preg_replace('/([a-zA-Z])([0-9])/', "$1_$2", $result);

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)
8.3.40.0080.00818.79
8.3.30.0170.00319.06
8.3.20.0040.00420.21
8.3.10.0080.00023.66
8.3.00.0040.00419.51
8.2.170.0070.01422.96
8.2.160.0140.00420.57
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00022.35
8.2.110.0060.00320.47
8.2.100.0080.00418.09
8.2.90.0040.00419.07
8.2.80.0040.00417.97
8.2.70.0030.00617.73
8.2.60.0040.00417.79
8.2.50.0050.00318.07
8.2.40.0000.00818.16
8.2.30.0000.00818.00
8.2.20.0030.00617.94
8.2.10.0000.00817.92
8.2.00.0030.00617.76
8.1.270.0040.00423.83
8.1.260.0040.00426.35
8.1.250.0060.00328.09
8.1.240.0030.00623.88
8.1.230.0110.00019.01
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.48
8.1.190.0080.00017.35
8.1.180.0030.00718.10
8.1.170.0040.00418.77
8.1.160.0040.00422.02
8.1.150.0000.00718.73
8.1.140.0040.00417.59
8.1.130.0000.00817.84
8.1.120.0000.00817.45
8.1.110.0050.00317.43
8.1.100.0000.00817.56
8.1.90.0030.00317.57
8.1.80.0080.00017.53
8.1.70.0030.00617.47
8.1.60.0080.00017.62
8.1.50.0050.00517.64
8.1.40.0060.00317.62
8.1.30.0040.00417.61
8.1.20.0000.00817.73
8.1.10.0000.00817.59
8.1.00.0040.00417.61
8.0.300.0080.00018.77
8.0.290.0060.00316.75
8.0.280.0030.00318.44
8.0.270.0040.00416.95
8.0.260.0030.00317.31
8.0.250.0000.00717.15
8.0.240.0000.00616.98
8.0.230.0030.00317.04
8.0.220.0070.00017.01
8.0.210.0070.00016.98
8.0.200.0030.00516.99
8.0.190.0040.00417.01
8.0.180.0020.00517.02
8.0.170.0000.00816.89
8.0.160.0000.00816.99
8.0.150.0000.00716.86
8.0.140.0000.00716.89
8.0.130.0030.00313.43
8.0.120.0000.00916.98
8.0.110.0040.00416.88
8.0.100.0080.00016.98
8.0.90.0030.00316.94
8.0.80.0080.00816.92
8.0.70.0080.00016.86
8.0.60.0070.00016.92
8.0.50.0000.00716.99
8.0.30.0130.00817.35
8.0.20.0080.01117.46
8.0.10.0040.00417.21
8.0.00.0080.00816.87
7.4.330.0000.00515.00
7.4.320.0030.00316.57
7.4.300.0040.00416.74
7.4.290.0000.00816.78
7.4.280.0040.00416.78
7.4.270.0040.00416.65
7.4.260.0070.00016.67
7.4.250.0080.00016.53
7.4.240.0060.00116.57
7.4.230.0030.00416.62
7.4.220.0070.02016.77
7.4.210.0150.00316.57
7.4.200.0000.00716.65
7.4.160.0070.01116.73
7.4.150.0030.02117.40
7.4.140.0100.01217.86
7.4.130.0100.01416.84
7.4.120.0090.01016.61
7.4.110.0060.01116.54
7.4.100.0100.00716.45
7.4.90.0120.00616.53
7.4.80.0190.00319.39
7.4.70.0130.00316.64
7.4.60.0070.01016.54
7.4.50.0050.00016.62
7.4.40.0060.01116.58
7.4.30.0140.00316.78
7.4.00.0040.01414.81
7.3.330.0060.00013.26
7.3.320.0000.00513.26
7.3.310.0070.00016.21
7.3.300.0000.00616.32
7.3.290.0100.01016.28
7.3.280.0150.00316.31
7.3.270.0060.01217.40
7.3.260.0090.00916.42
7.3.240.0030.01416.36
7.3.230.0070.01116.57
7.3.210.0100.00716.58
7.3.200.0090.01219.39
7.3.190.0000.02116.54
7.3.180.0160.00016.46
7.3.170.0090.00616.39
7.3.160.0130.00616.38
7.3.10.0110.00316.42
7.3.00.0040.00716.75
7.2.330.0090.00916.70
7.2.320.0000.01716.51
7.2.310.0090.01216.47
7.2.300.0040.01816.73
7.2.290.0170.00016.71
7.2.130.0030.01017.08
7.2.120.0040.00716.90
7.2.110.0070.00717.04
7.2.100.0080.00417.05
7.2.90.0040.00717.18
7.2.80.0130.00317.02
7.2.70.0090.00316.75
7.2.60.0070.00716.97
7.2.50.0060.00617.09
7.2.40.0090.00016.85
7.2.30.0070.00716.87
7.2.20.0070.00717.20
7.2.10.0000.01116.96
7.2.00.0030.01118.22
7.1.250.0030.00915.95
7.1.200.0100.00315.96
7.1.100.0080.00418.46
7.1.70.0030.01317.17
7.1.60.0160.00619.32
7.1.50.0120.00916.96
7.1.00.0130.06722.59
7.0.200.0040.00416.48
7.0.140.0030.07722.12
7.0.60.0100.07719.89
7.0.50.0100.04017.82
7.0.40.0100.08320.09
7.0.30.0170.05020.15
7.0.20.0200.03720.02
7.0.10.0070.07320.05
7.0.00.0030.04020.17
5.6.280.0030.07020.92
5.6.210.0100.07020.74
5.6.200.0070.08718.13
5.6.190.0100.04020.56
5.6.180.0270.05020.56
5.6.170.0170.04720.39
5.6.160.0100.08020.50
5.6.150.0070.08018.15
5.6.140.0030.07318.22
5.6.130.0030.04018.21
5.6.120.0130.05320.93
5.6.110.0130.06720.96
5.6.100.0170.05720.96
5.6.90.0100.05720.85
5.6.80.0030.05320.53
5.5.350.0130.08720.40
5.5.340.0070.03717.93
5.5.330.0070.06720.21
5.5.320.0330.05020.13
5.5.310.0330.07020.25
5.5.300.0170.07017.96
5.5.290.0030.05718.00
5.5.280.0070.09020.93
5.5.270.0100.08320.95
5.5.260.0070.04020.79
5.5.250.0070.07720.60
5.5.240.0200.02320.33
5.4.450.0700.06319.55
5.4.440.0730.06019.54
5.4.430.0600.06719.40
5.4.420.0630.00019.14
5.4.410.0630.00019.36
5.4.400.0630.00019.15
5.4.390.0630.00018.95
5.4.380.0630.00019.16
5.4.370.0600.00019.04
5.4.360.0670.00019.16
5.4.350.0670.00018.96
5.4.340.0020.03711.96
5.4.320.0040.03712.46
5.4.310.0050.03812.45
5.4.300.0090.03412.45
5.4.290.0080.04212.45
5.4.280.0070.03612.34
5.4.270.0060.03512.35
5.4.260.0040.03912.34
5.4.250.0080.03812.34
5.4.240.0060.03512.35
5.4.230.0070.04012.34
5.4.220.0080.03312.34
5.4.210.0050.03612.34
5.4.200.0090.03612.34
5.4.190.0060.03812.34
5.4.180.0070.03512.34
5.4.170.0090.03612.34
5.4.160.0030.04012.34
5.4.150.0060.04012.34
5.4.140.0060.03612.02
5.4.130.0080.04012.01
5.4.120.0030.03711.96
5.4.110.0090.03111.96
5.4.100.0020.03811.96
5.4.90.0040.04311.96
5.4.80.0090.04011.96
5.4.70.0100.03011.96
5.4.60.0070.03311.96
5.4.50.0040.03911.96
5.4.40.0050.03711.95
5.4.30.0030.03811.95
5.4.20.0060.03811.95
5.4.10.0060.03911.95
5.4.00.0050.03611.44
5.3.290.0080.04112.80
5.3.280.0060.03812.71
5.3.270.0100.03512.73
5.3.260.0060.03812.72
5.3.250.0050.04212.72
5.3.240.0060.03712.72
5.3.230.0080.03612.71
5.3.220.0050.03712.68
5.3.210.0070.03712.68
5.3.200.0070.03512.68
5.3.190.0090.03312.68
5.3.180.0060.03512.67
5.3.170.0050.03712.67
5.3.160.0060.03612.67
5.3.150.0030.03912.67
5.3.140.0070.03412.66
5.3.130.0050.04612.66
5.3.120.0040.04012.66
5.3.110.0090.04412.66
5.3.100.0120.04712.12
5.3.90.0080.03512.08
5.3.80.0100.03612.08
5.3.70.0060.03612.08
5.3.60.0050.04412.07
5.3.50.0070.04012.00
5.3.40.0040.03912.00
5.3.30.0060.03911.95
5.3.20.0090.04011.73
5.3.10.0090.03811.70
5.3.00.0090.04111.68
5.2.170.0060.0349.19
5.2.160.0030.0339.19
5.2.150.0070.0349.19
5.2.140.0050.0309.18
5.2.130.0040.0309.15
5.2.120.0050.0279.15
5.2.110.0040.0299.15
5.2.100.0070.0329.15
5.2.90.0050.0289.14
5.2.80.0030.0319.14
5.2.70.0070.0279.14
5.2.60.0060.0309.10
5.2.50.0060.0289.07
5.2.40.0020.0329.05
5.2.30.0040.0329.02
5.2.20.0060.0279.01
5.2.10.0040.0288.92
5.2.00.0050.0358.78
5.1.60.0020.0258.06
5.1.50.0040.0328.05
5.1.40.0040.0258.04
5.1.30.0020.0288.39
5.1.20.0050.0268.41
5.1.10.0060.0328.14
5.1.00.0020.0288.13
5.0.50.0030.0216.62
5.0.40.0020.0206.47
5.0.30.0030.0326.29
5.0.20.0060.0216.26
5.0.10.0040.0226.23
5.0.00.0050.0296.23
4.4.90.0040.0214.78
4.4.80.0050.0184.75
4.4.70.0020.0184.76
4.4.60.0020.0164.75
4.4.50.0030.0154.77
4.4.40.0030.0244.71
4.4.30.0070.0194.75
4.4.20.0010.0194.84
4.4.10.0020.0164.85
4.4.00.0020.0254.76
4.3.110.0050.0134.67
4.3.100.0010.0164.66
4.3.90.0020.0154.63
4.3.80.0040.0254.58
4.3.70.0040.0134.63
4.3.60.0030.0194.62
4.3.50.0020.0194.62
4.3.40.0060.0244.54
4.3.30.0000.0213.29
4.3.20.0000.0213.26
4.3.10.0030.0153.22
4.3.00.0170.0177.14

preferences:
41.4 ms | 400 KiB | 5 Q