3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = function($string) { return preg_replace_callback( '/_([a-z])/', function ($string) { return strtoupper($string[1]); }, $string ); }; echo $a('IT_Solutions_Urgency_to_Change');

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)
8.3.70.0090.00918.55
8.3.60.0110.00318.43
8.3.50.0150.00721.28
8.3.40.0070.01118.88
8.3.30.0070.01119.15
8.3.20.0040.00420.25
8.3.10.0080.00020.78
8.3.00.0030.00519.63
8.2.180.0100.01016.63
8.2.170.0070.00722.96
8.2.160.0100.00320.52
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00022.17
8.2.110.0030.00620.39
8.2.100.0120.00018.03
8.2.90.0040.00419.05
8.2.80.0040.00418.00
8.2.70.0000.00817.88
8.2.60.0050.00318.05
8.2.50.0080.00018.07
8.2.40.0050.00318.27
8.2.30.0000.00818.21
8.2.20.0000.00817.88
8.2.10.0030.00518.06
8.2.00.0040.00417.95
8.1.280.0170.00325.92
8.1.270.0090.00023.96
8.1.260.0050.00326.35
8.1.250.0050.00328.09
8.1.240.0030.00623.91
8.1.230.0000.01219.14
8.1.220.0050.00317.74
8.1.210.0000.00918.77
8.1.200.0070.00417.47
8.1.190.0080.00017.47
8.1.180.0030.00618.10
8.1.170.0030.00718.76
8.1.160.0070.00022.10
8.1.150.0030.00618.80
8.1.140.0040.00417.52
8.1.130.0030.00317.79
8.1.120.0040.00417.52
8.1.110.0040.00417.62
8.1.100.0070.00017.59
8.1.90.0040.00417.66
8.1.80.0030.00317.62
8.1.70.0030.00517.57
8.1.60.0000.00817.65
8.1.50.0050.00217.70
8.1.40.0000.00717.64
8.1.30.0050.00317.68
8.1.20.0040.00417.73
8.1.10.0070.00017.69
8.1.00.0040.00417.71
8.0.300.0040.00418.77
8.0.290.0020.00516.88
8.0.280.0040.00418.53
8.0.270.0000.00816.89
8.0.260.0040.00417.27
8.0.250.0030.00317.01
8.0.240.0030.00317.02
8.0.230.0030.00417.07
8.0.220.0040.00416.84
8.0.210.0000.00916.93
8.0.200.0000.00717.11
8.0.190.0120.00017.04
8.0.180.0000.00717.11
8.0.170.0030.00617.05
8.0.160.0070.00017.10
8.0.150.0000.00716.89
8.0.140.0070.00316.93
8.0.130.0030.00313.48
8.0.120.0000.00816.99
8.0.110.0040.00417.07
8.0.100.0040.00416.84
8.0.90.0040.00416.88
8.0.80.0000.01517.07
8.0.70.0000.00716.91
8.0.60.0070.00016.92
8.0.50.0040.00416.99
8.0.30.0120.01117.10
8.0.20.0130.01017.50
8.0.10.0040.00417.21
8.0.00.0140.00516.95
7.4.330.0030.00315.16
7.4.320.0040.00416.77
7.4.300.0030.00316.84
7.4.290.0030.00316.74
7.4.280.0000.00816.76
7.4.270.0070.00016.71
7.4.260.0040.00416.61
7.4.250.0050.00216.77
7.4.240.0020.00616.67
7.4.230.0000.00716.77
7.4.220.0040.01416.74
7.4.210.0030.01416.82
7.4.200.0030.00516.84
7.4.160.0180.00416.96
7.4.150.0120.00617.40
7.4.140.0100.00717.86
7.4.130.0090.00816.77
7.4.120.0060.01016.69
7.4.110.0070.01016.87
7.4.100.0180.00316.50
7.4.90.0110.00616.66
7.4.80.0070.01019.39
7.4.70.0090.00916.63
7.4.60.0120.00916.79
7.4.50.0000.00516.78
7.4.40.0110.00716.68
7.4.30.0030.01316.70
7.4.00.0030.00915.41
7.3.330.0000.00513.29
7.3.320.0060.00013.37
7.3.310.0030.00316.36
7.3.300.0030.00316.47
7.3.290.0000.01516.31
7.3.280.0080.01016.37
7.3.270.0150.00317.40
7.3.260.0170.00716.71
7.3.250.0120.00516.60
7.3.240.0130.00616.57
7.3.230.0100.00616.80
7.3.210.0100.00716.67
7.3.200.0150.00319.39
7.3.190.0030.01316.77
7.3.180.0120.00916.52
7.3.170.0110.00616.61
7.3.160.0090.01216.48
7.3.10.0030.00916.83
7.3.00.0060.00616.52
7.2.330.0070.01516.84
7.2.320.0100.00716.62
7.2.310.0160.00316.66
7.2.300.0110.00616.72
7.2.290.0030.02016.71
7.2.130.0030.01017.14
7.2.120.0030.00916.88
7.2.110.0030.01016.89
7.2.100.0060.00616.86
7.2.90.0080.00417.18
7.2.80.0050.00317.11
7.2.70.0110.00417.18
7.2.60.0100.00317.05
7.2.50.0060.00617.05
7.2.40.0030.01016.95
7.2.30.0050.00517.14
7.2.20.0100.00316.80
7.2.10.0050.00517.05
7.2.00.0120.00317.05
7.1.250.0070.00716.04
7.1.70.0040.00417.15
7.1.60.0100.01319.32
7.1.50.0000.02117.07
7.1.00.0000.08022.38
7.0.200.0000.00816.84
7.0.140.0100.06721.93
7.0.60.0100.07320.00
7.0.50.0030.04317.88
7.0.40.0030.06320.25
7.0.30.0200.03720.37
7.0.20.0270.05020.12
7.0.10.0230.07020.24
7.0.00.0030.06720.31
5.6.280.0000.07720.82
5.6.210.0200.06320.54
5.6.200.0070.07318.16
5.6.190.0070.08320.67
5.6.180.0370.06720.68
5.6.170.0230.04320.52
5.6.160.0030.04020.55
5.6.150.0100.08018.15
5.6.140.0100.07718.21
5.6.130.0100.08018.16
5.6.120.0070.04020.99
5.6.110.0070.08321.03
5.6.100.0130.07720.90
5.6.90.0100.06720.93
5.6.80.0100.07320.57
5.6.70.3570.04020.53
5.5.350.0170.07320.44
5.5.340.0030.08317.97
5.5.330.0100.08020.31
5.5.320.0430.07020.27
5.5.310.0330.06320.37
5.5.300.0000.04318.04
5.5.290.0070.07717.95
5.5.280.0100.08020.80
5.5.270.0030.04320.88
5.5.260.0030.07720.87
5.5.250.0070.03720.70
5.5.240.0470.05720.24
5.4.450.0300.04019.52
5.4.440.1070.05019.30
5.4.430.0770.05319.47
5.4.420.0670.00019.51
5.4.410.0630.00019.57
5.4.400.0670.00019.23
5.4.390.0630.00019.09
5.4.380.0630.00019.18
5.4.370.0600.00019.07
5.4.360.0600.00019.02
5.4.350.0670.00019.04
5.4.340.0600.00019.06
5.4.320.0080.04412.51
5.4.310.0110.03912.50
5.4.300.0090.04512.51
5.4.290.0090.03912.51
5.4.280.0070.03412.40
5.4.270.0060.04212.40
5.4.260.0050.04112.40
5.4.250.0050.03912.40
5.4.240.0060.03912.40
5.4.230.0060.03712.40
5.4.220.0040.03812.40
5.4.210.0120.04112.39
5.4.200.0080.03512.40
5.4.190.0050.04012.39
5.4.180.0100.03512.39
5.4.170.0060.03712.40
5.4.160.0060.03612.39
5.4.150.0070.03912.39
5.4.140.0080.04612.08
5.4.130.0080.03812.07
5.4.120.0060.04212.01
5.4.110.0090.03812.02
5.4.100.0090.04212.02
5.4.90.0080.04312.02
5.4.80.0080.03912.02
5.4.70.0040.03912.02
5.4.60.0060.03612.01
5.4.50.0070.03512.01
5.4.40.0100.03112.00
5.4.30.0110.03912.00
5.4.20.0090.03812.00
5.4.10.0040.04311.99
5.4.00.0050.04711.48
5.3.290.0060.05112.80
5.3.280.0090.03412.71
5.3.270.0060.04612.73
5.3.260.0100.03812.72
5.3.250.0070.04012.72
5.3.240.0050.04812.72
5.3.230.0080.04012.71
5.3.220.0060.04312.68
5.3.210.0060.04012.68
5.3.200.0080.04812.68
5.3.190.0030.04112.68
5.3.180.0100.03912.67
5.3.170.0090.04212.67
5.3.160.0050.04712.67
5.3.150.0070.04512.67
5.3.140.0090.04112.66
5.3.130.0060.04012.66
5.3.120.0090.04612.65
5.3.110.0090.04112.66
5.3.100.0060.04212.13
5.3.90.0120.03912.11
5.3.80.0050.04612.11
5.3.70.0090.06012.11
5.3.60.0080.04412.09
5.3.50.0100.04812.05
5.3.40.0270.08212.05
5.3.30.0140.04611.99
5.3.20.0080.04811.78
5.3.10.0140.04211.74
5.3.00.0070.05511.74
5.2.170.0060.0389.18
5.2.160.0070.0289.18
5.2.150.0090.0339.18
5.2.140.0090.0399.18
5.2.130.0240.0619.14
5.2.120.0030.0379.14
5.2.110.0100.0299.15
5.2.100.0090.0299.14
5.2.90.0070.0309.14
5.2.80.0090.0299.13
5.2.70.0050.0319.14
5.2.60.0080.0419.09
5.2.50.0050.0399.06
5.2.40.0060.0319.03
5.2.30.0030.0329.01
5.2.20.0080.0339.01
5.2.10.0080.0308.93
5.2.00.0110.0298.79
5.1.60.0080.0328.07
5.1.50.0050.0408.06
5.1.40.0050.0328.04
5.1.30.0070.0258.40
5.1.20.0070.0308.42
5.1.10.0060.0268.14
5.1.00.0080.0298.14
5.0.50.0050.0226.62
5.0.40.0050.0266.48
5.0.30.0070.0356.29
5.0.20.0040.0246.26
5.0.10.0070.0276.24
5.0.00.0060.0396.23
4.4.90.0050.0164.78
4.4.80.0050.0214.75
4.4.70.0070.0194.76
4.4.60.0050.0214.75
4.4.50.0090.0204.77
4.4.40.0060.0294.71
4.4.30.0020.0164.76
4.4.20.0060.0184.85
4.4.10.0050.0174.85
4.4.00.0040.0244.76
4.3.110.0070.0224.67
4.3.100.0040.0194.67
4.3.90.0060.0194.63
4.3.80.0070.0284.59
4.3.70.0040.0194.63
4.3.60.0060.0184.63
4.3.50.0060.0204.63
4.3.40.0020.0284.54
4.3.30.0040.0143.28
4.3.20.0030.0193.26
4.3.10.0020.0163.22
4.3.00.0000.01316.50

preferences:
51.76 ms | 401 KiB | 5 Q