3v4l.org

run code in 300+ PHP versions simultaneously
<?php $delimiter = '_'; $value = '20160615132232Ukis308CreateSymbolsTable'; if ( ! ctype_lower($value)) { $value = strtolower(preg_replace('/(.)(?=[A-Z])/', '$1'.$delimiter, $value)); } echo $value;

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)
8.3.60.0040.01116.73
8.3.50.0210.00019.94
8.3.40.0090.00618.59
8.3.30.0070.00718.97
8.3.20.0040.00420.34
8.3.10.0050.00321.90
8.3.00.0040.00717.63
8.2.180.0070.01016.75
8.2.170.0110.00422.96
8.2.160.0070.00719.32
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00422.20
8.2.120.0070.00026.35
8.2.110.0060.00320.33
8.2.100.0040.00717.84
8.2.90.0000.00819.27
8.2.80.0040.00417.97
8.2.70.0030.00617.63
8.2.60.0000.00817.93
8.2.50.0090.00019.60
8.2.40.0090.00020.46
8.2.30.0040.00419.28
8.2.20.0040.00417.76
8.2.10.0000.00718.19
8.2.00.0030.00518.00
8.1.280.0060.01525.92
8.1.270.0040.00423.82
8.1.260.0000.00728.09
8.1.250.0040.00428.09
8.1.240.0090.00021.75
8.1.230.0040.00820.93
8.1.220.0000.00817.79
8.1.210.0000.00818.77
8.1.200.0000.01017.48
8.1.190.0000.00817.35
8.1.180.0040.00418.10
8.1.170.0040.00418.57
8.1.160.0030.00322.16
8.1.150.0040.00420.70
8.1.140.0040.00419.51
8.1.130.0000.00717.79
8.1.120.0070.00017.51
8.1.110.0040.00417.63
8.1.100.0000.00717.50
8.1.90.0040.00417.61
8.1.80.0030.00617.56
8.1.70.0030.00317.59
8.1.60.0050.00317.79
8.1.50.0050.00317.54
8.1.40.0000.00817.60
8.1.30.0000.00817.65
8.1.20.0020.00517.69
8.1.10.0040.00417.59
8.1.00.0040.00417.52
8.0.300.0030.00618.77
8.0.290.0040.00416.88
8.0.280.0030.00318.53
8.0.270.0040.00417.28
8.0.260.0030.00317.13
8.0.250.0030.00317.13
8.0.240.0000.00817.13
8.0.230.0030.00717.13
8.0.220.0000.00717.10
8.0.210.0030.00616.96
8.0.200.0030.00317.08
8.0.190.0040.00417.14
8.0.180.0070.00317.02
8.0.170.0000.00817.10
8.0.160.0030.00317.09
8.0.150.0000.00716.95
8.0.140.0040.00417.01
8.0.130.0050.00013.52
8.0.120.0000.00717.00
8.0.110.0030.00617.09
8.0.100.0040.00416.91
8.0.90.0040.00416.91
8.0.80.0060.01017.05
8.0.70.0040.00416.89
8.0.60.0040.00417.07
8.0.50.0070.00016.89
8.0.30.0100.01117.24
8.0.20.0120.00717.46
8.0.10.0000.00717.21
8.0.00.0130.00816.86
7.4.330.0020.00215.08
7.4.320.0030.00316.67
7.4.300.0060.00016.63
7.4.290.0000.00816.73
7.4.280.0030.00516.82
7.4.270.0000.00616.84
7.4.260.0060.00616.60
7.4.250.0070.00016.73
7.4.240.0000.00716.52
7.4.230.0040.00416.82
7.4.220.0070.01316.53
7.4.210.0090.01016.74
7.4.200.0000.00716.63
7.4.160.0170.00316.68
7.4.150.0070.01017.40
7.4.140.0080.01417.86
7.4.130.0070.01116.65
7.4.120.0030.01416.59
7.4.110.0090.00916.66
7.4.100.0100.01016.72
7.4.90.0120.00616.47
7.4.80.0040.01219.39
7.4.70.0110.00716.72
7.4.60.0060.01516.45
7.4.50.0110.00416.83
7.4.40.0110.00516.63
7.4.30.0030.01416.50
7.4.00.0040.00815.13
7.3.330.0050.00013.10
7.3.320.0000.00513.19
7.3.310.0030.00316.32
7.3.300.0060.00016.39
7.3.290.0000.00716.32
7.3.280.0070.01016.36
7.3.270.0180.00017.40
7.3.260.0110.00916.61
7.3.250.0080.00916.51
7.3.240.0070.01416.55
7.3.230.0090.00916.39
7.3.210.0100.00716.71
7.3.200.0120.00616.64
7.3.190.0100.00616.68
7.3.180.0110.01116.41
7.3.170.0060.01216.67
7.3.160.0070.01016.85
7.3.10.0060.00616.46
7.3.00.0110.00416.86
7.2.330.0070.01116.89
7.2.320.0100.01316.79
7.2.310.0030.01516.86
7.2.300.0090.01016.86
7.2.290.0130.00316.70
7.2.130.0030.01016.82
7.2.120.0060.00917.03
7.2.110.0070.00317.23
7.2.100.0050.00516.79
7.2.90.0080.00417.13
7.2.80.0040.00916.87
7.2.70.0100.00616.76
7.2.60.0080.00516.91
7.2.50.0110.00316.89
7.2.40.0040.01416.73
7.2.30.0120.00316.70
7.2.20.0060.01017.08
7.2.10.0070.01117.10
7.2.00.0020.01018.35
7.1.250.0030.01015.69
7.1.200.0060.00315.82
7.1.100.0080.00318.28
7.1.70.0040.00417.20
7.1.60.0030.01419.16
7.1.00.0070.07322.34
7.0.200.0400.00414.58
7.0.80.0070.06319.94
7.0.70.0100.05720.02
7.0.60.0130.05020.13
7.0.50.0130.06320.28
7.0.40.0030.07320.28
7.0.30.0200.05020.38
7.0.20.0270.05320.38
7.0.10.0100.06320.33
7.0.00.0230.07020.33
5.6.230.0100.06320.63
5.6.220.0100.05720.67
5.6.210.0130.05320.58
5.6.200.0170.05321.10
5.6.190.0100.06321.11
5.6.180.0030.06721.09
5.6.170.0200.05721.17
5.6.160.0070.06021.06
5.6.150.0070.06321.20
5.6.140.0130.05721.01
5.6.130.0100.06021.05
5.6.120.0170.05721.07
5.6.110.0200.05321.05
5.6.100.0000.07021.09
5.6.90.0100.06021.05
5.6.80.0070.06020.45
5.6.70.0070.05720.39
5.6.60.0100.06020.44
5.6.50.0170.05020.45
5.6.40.0130.05320.44
5.6.30.0100.06320.44
5.6.20.0100.05320.43
5.6.10.0070.06020.43
5.6.00.0130.05320.36
5.5.370.0270.04320.41
5.5.360.0030.06320.51
5.5.350.0170.05020.39
5.5.340.0130.05320.92
5.5.330.0200.05020.77
5.5.320.0100.05720.94
5.5.310.0100.06020.70
5.5.300.0200.07020.77
5.5.290.0130.05720.92
5.5.280.0170.05720.82
5.5.270.0070.06720.84
5.5.260.0000.07320.93
5.5.250.0130.05320.64
5.5.240.0170.05020.35
5.5.230.0130.05720.25
5.5.220.0270.04020.35
5.5.210.0170.05020.32
5.5.200.0200.04320.27
5.5.190.0170.05020.21
5.5.180.0070.06720.18
5.5.160.0130.05320.07
5.5.150.0100.05320.29
5.5.140.0100.05320.20
5.5.130.0200.04720.18
5.5.120.0030.06720.17
5.5.110.0100.06020.30
5.5.100.0030.06720.13
5.5.90.0100.05320.21
5.5.80.0230.04020.15
5.5.70.0070.06020.20
5.5.60.0000.06720.05
5.5.50.0100.05720.05
5.5.40.0100.05720.14
5.5.30.0130.05020.07
5.5.20.0130.05020.13
5.5.10.0070.05720.06
5.5.00.0100.05720.17

preferences:
68.97 ms | 401 KiB | 5 Q