3v4l.org

run code in 300+ PHP versions simultaneously
<?php $delimiter = '_'; $value = 'Ukis308CreateSymbolsTable'; if ( ! ctype_lower($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)
8.3.60.0110.00416.75
8.3.50.0100.01222.06
8.3.40.0150.00318.96
8.3.30.0070.00718.60
8.3.20.0080.00420.22
8.3.10.0080.00023.48
8.3.00.0030.01017.50
8.2.180.0060.00916.63
8.2.170.0120.00322.96
8.2.160.0110.00419.32
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0080.00022.33
8.2.120.0040.00426.35
8.2.110.0030.00620.43
8.2.100.0100.00317.84
8.2.90.0000.00817.88
8.2.80.0040.00419.04
8.2.70.0060.00317.63
8.2.60.0000.00818.05
8.2.50.0030.00618.07
8.2.40.0080.00018.22
8.2.30.0060.00618.14
8.2.20.0000.00817.89
8.2.10.0000.00718.21
8.2.00.0070.00018.24
8.1.280.0140.00725.92
8.1.270.0040.00423.99
8.1.260.0030.00528.09
8.1.250.0080.00028.09
8.1.240.0030.00618.92
8.1.230.0000.01117.83
8.1.220.0000.00817.79
8.1.210.0050.00318.77
8.1.200.0000.00817.47
8.1.190.0030.00617.35
8.1.180.0040.00418.10
8.1.170.0000.00818.58
8.1.160.0070.00018.91
8.1.150.0040.00420.75
8.1.140.0080.00019.52
8.1.130.0060.00317.59
8.1.120.0040.00417.66
8.1.110.0040.00417.54
8.1.100.0020.00517.66
8.1.90.0040.00417.49
8.1.80.0040.00417.66
8.1.70.0000.00717.54
8.1.60.0000.00817.64
8.1.50.0050.00317.58
8.1.40.0030.00517.73
8.1.30.0080.00017.78
8.1.20.0000.00717.74
8.1.10.0000.00817.53
8.1.00.0080.00017.49
8.0.300.0060.00318.77
8.0.290.0030.00616.73
8.0.280.0070.00018.34
8.0.270.0000.00717.24
8.0.260.0030.00317.28
8.0.250.0000.00617.04
8.0.240.0000.00716.99
8.0.230.0040.00417.14
8.0.220.0080.00016.89
8.0.210.0060.00317.00
8.0.200.0030.00317.08
8.0.190.0040.00417.06
8.0.180.0020.00516.95
8.0.170.0040.00417.05
8.0.160.0000.00717.04
8.0.150.0030.00316.96
8.0.140.0000.00717.00
8.0.130.0000.00513.42
8.0.120.0040.00417.01
8.0.110.0040.00417.07
8.0.100.0000.01016.91
8.0.90.0040.00417.05
8.0.80.0150.00017.09
8.0.70.0030.00616.87
8.0.60.0040.00416.91
8.0.50.0040.00417.09
8.0.30.0060.01217.22
8.0.20.0130.00617.40
8.0.10.0040.00417.15
8.0.00.0090.00616.98
7.4.330.0000.00515.08
7.4.320.0060.00016.82
7.4.300.0050.00216.85
7.4.290.0020.00516.68
7.4.280.0080.00016.72
7.4.270.0030.00316.80
7.4.260.0040.00416.73
7.4.250.0040.00416.61
7.4.240.0030.00316.56
7.4.230.0000.00716.91
7.4.220.0000.00616.55
7.4.210.0060.00916.82
7.4.200.0070.00016.73
7.4.160.0100.00616.65
7.4.150.0110.00717.40
7.4.140.0130.00817.86
7.4.130.0100.01016.69
7.4.120.0110.00916.71
7.4.110.0100.01016.63
7.4.100.0060.01016.55
7.4.90.0060.01016.67
7.4.80.0000.01619.39
7.4.70.0060.01016.57
7.4.60.0100.00716.73
7.4.50.0030.01216.46
7.4.40.0090.00916.64
7.4.30.0110.01116.70
7.4.00.0080.00715.04
7.3.330.0000.00513.18
7.3.320.0000.00613.11
7.3.310.0030.00316.22
7.3.300.0000.00616.38
7.3.290.0000.00616.38
7.3.280.0080.00916.37
7.3.270.0130.00617.40
7.3.260.0070.01116.58
7.3.250.0070.00916.48
7.3.240.0050.01416.52
7.3.230.0110.00616.39
7.3.210.0120.00616.73
7.3.200.0030.01716.77
7.3.190.0080.00816.71
7.3.180.0140.00316.39
7.3.170.0080.00816.64
7.3.160.0000.01616.43
7.3.120.0130.00315.10
7.3.110.0070.01114.92
7.3.100.0040.01114.67
7.3.90.0030.01315.13
7.3.80.0000.01415.27
7.3.70.0100.00615.00
7.3.60.0110.00014.82
7.3.50.0070.00714.83
7.3.40.0030.00615.03
7.3.30.0050.00514.96
7.3.20.0140.00016.65
7.3.10.0030.01316.89
7.3.00.0080.00416.91
7.2.330.0070.01116.95
7.2.320.0030.01616.56
7.2.310.0070.01416.80
7.2.300.0080.01616.84
7.2.290.0100.00716.68
7.2.250.0070.01015.07
7.2.240.0120.00615.12
7.2.230.0100.00715.11
7.2.220.0060.00315.40
7.2.210.0100.00715.04
7.2.200.0140.00315.16
7.2.190.0050.00515.16
7.2.180.0030.01214.84
7.2.170.0160.00014.98
7.2.00.0060.00919.59
7.1.330.0040.01115.99
7.1.320.0030.01115.91
7.1.310.0040.00415.80
7.1.300.0000.00915.99
7.1.290.0110.00416.18
7.1.280.0060.01016.01
7.1.270.0090.00316.16
7.1.260.0040.00816.04
7.1.200.0060.00915.68
7.1.70.0060.00317.38
7.1.60.0330.00319.16
7.1.00.0000.08022.47
7.0.200.0550.00314.57
7.0.80.0300.05319.95
7.0.70.0300.05320.05
7.0.60.0200.06319.98
7.0.50.0330.05020.28
7.0.40.0370.05020.31
7.0.30.0230.06320.23
7.0.20.0370.05320.38
7.0.10.0400.04720.34
7.0.00.0330.05720.26
5.6.230.0130.05720.77
5.6.220.0200.04720.70
5.6.210.0170.05020.50
5.6.200.0070.06321.13
5.6.190.0200.04721.14
5.6.180.0270.04021.14
5.6.170.0130.05321.08
5.6.160.0170.05021.07
5.6.150.0100.05721.09
5.6.140.0130.05321.08
5.6.130.0100.06021.06
5.6.120.0030.06321.19
5.6.110.0170.05021.09
5.6.100.0130.06021.05
5.6.90.0100.06021.00
5.6.80.0100.05320.46
5.6.70.0030.06020.39
5.6.60.0100.05720.46
5.6.50.0000.07020.50
5.6.40.0170.05020.43
5.6.30.0200.05320.43
5.6.20.0100.06020.43
5.6.10.0070.05720.45
5.6.00.0100.05720.39
5.5.370.0230.04320.48
5.5.360.0100.06020.54
5.5.350.0100.05720.52
5.5.340.0170.05020.71
5.5.330.0130.05320.95
5.5.320.0070.06020.89
5.5.310.0100.05720.70
5.5.300.0170.05320.96
5.5.290.0200.05020.86
5.5.280.0100.06320.93
5.5.270.0130.05320.76
5.5.260.0300.04720.82
5.5.250.0030.06720.77
5.5.240.0100.05320.33
5.5.230.0070.06020.29
5.5.220.0130.05020.30
5.5.210.0100.05320.33
5.5.200.0070.05720.20
5.5.190.0130.05720.05
5.5.180.0130.05720.18
5.5.160.0100.05720.30
5.5.150.0230.04320.24
5.5.140.0100.05720.18
5.5.130.0200.04720.18
5.5.120.0170.05020.18
5.5.110.0130.05320.27
5.5.100.0170.06320.18
5.5.90.0170.05020.09
5.5.80.0070.06320.21
5.5.70.0170.05320.16
5.5.60.0170.04320.21
5.5.50.0070.06720.15
5.5.40.0000.06020.14
5.5.30.0300.03020.14
5.5.20.0170.04720.15
5.5.10.0100.05720.09
5.5.00.0030.06020.09

preferences:
33.12 ms | 401 KiB | 5 Q