3v4l.org

run code in 300+ PHP versions simultaneously
<?php function uncamel($content, $separator = '_') { $content = preg_replace('#(?<=[a-zA-Z])([A-Z])(?=[a-zA-Z])#e', "'$separator' . strtolower('$1')", $content); var_dump($content); $content{0} = strtolower($content{0}); return $content; } var_dump(uncamel('rfqInternalRefNo'));

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)
8.3.70.0110.00416.38
8.3.60.0070.01418.38
8.3.50.0150.00721.94
8.3.40.0100.01018.55
8.3.30.0140.00418.84
8.3.20.0040.00420.36
8.3.10.0040.00423.70
8.3.00.0030.00717.38
8.2.180.0150.00716.50
8.2.170.0110.00722.96
8.2.160.0110.00720.22
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00422.18
8.2.110.0100.00720.47
8.2.100.0080.00418.09
8.2.90.0000.00819.00
8.2.80.0000.00817.97
8.2.70.0030.00717.13
8.2.60.0040.00417.68
8.2.50.0000.00918.07
8.2.40.0030.00518.22
8.2.30.0030.00617.93
8.2.20.0040.00417.42
8.2.10.0070.00017.91
8.2.00.0030.00617.57
8.1.280.0030.01325.92
8.1.270.0060.00323.95
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0090.00022.74
8.1.230.0050.00617.70
8.1.220.0000.00717.74
8.1.210.0060.00318.77
8.1.200.0000.00917.23
8.1.190.0040.00417.23
8.1.180.0000.00818.10
8.1.170.0030.00518.52
8.1.160.0000.00821.91
8.1.150.0050.00318.79
8.1.140.0070.00017.22
8.1.130.0040.00417.71
8.1.120.0050.00217.31
8.1.110.0040.00417.37
8.1.100.0070.00017.33
8.1.90.0040.00417.33
8.1.80.0020.00517.32
8.1.70.0000.00717.20
8.1.60.0040.00417.37
8.1.50.0040.00417.36
8.1.40.0040.00417.43
8.1.30.0000.00917.47
8.1.20.0070.00017.49
8.1.10.0040.00417.26
8.1.00.0050.00217.38
8.0.300.0070.00018.77
8.0.290.0040.00416.63
8.0.280.0000.00718.32
8.0.270.0030.00317.11
8.0.260.0080.00017.11
8.0.250.0000.00616.87
8.0.240.0060.00016.77
8.0.230.0030.00316.84
8.0.220.0050.00216.86
8.0.210.0030.00316.78
8.0.200.0000.00716.80
8.0.190.0000.00816.90
8.0.180.0000.00716.80
8.0.170.0050.00316.76
8.0.160.0000.00716.68
8.0.150.0000.00816.71
8.0.140.0050.00216.80
8.0.130.0050.00013.21
8.0.120.0040.00416.76
8.0.110.0040.00416.85
8.0.100.0040.00416.61
8.0.90.0000.00716.64
8.0.80.0130.00316.80
8.0.70.0070.00016.80
8.0.60.0000.00716.86
8.0.50.0040.00416.77
8.0.30.0150.01016.96
8.0.20.0150.00617.40
8.0.10.0080.00016.90
8.0.00.0100.00816.51
7.4.330.0050.00015.00
7.4.320.0000.00616.43
7.4.300.0060.00016.51
7.4.290.0000.00716.52
7.4.280.0080.00316.53
7.4.270.0030.00316.52
7.4.260.0030.00316.51
7.4.250.0000.00716.54
7.4.240.0040.00316.58
7.4.230.0050.00316.47
7.4.220.0120.00616.53
7.4.210.0040.01116.50
7.4.200.0060.00316.36
7.4.160.0110.00616.73
7.4.150.0110.00717.40
7.4.140.0120.01017.86
7.4.130.0090.00816.61
7.4.120.0120.00616.42
7.4.110.0070.01416.43
7.4.100.0030.01416.64
7.4.90.0110.00516.51
7.4.80.0060.01119.39
7.4.70.0140.00416.38
7.4.60.0130.01016.54
7.4.50.0000.00616.58
7.4.40.0080.00816.36
7.4.30.0110.00816.67
7.4.00.0100.00314.86
7.3.330.0000.00613.22
7.3.320.0050.00013.18
7.3.310.0000.00716.45
7.3.300.0070.00016.37
7.3.290.0070.00716.37
7.3.280.0080.00916.34
7.3.270.0170.00017.40
7.3.260.0140.00316.60
7.3.250.0110.00616.30
7.3.240.0090.01316.30
7.3.230.0100.00716.39
7.3.210.0030.01316.13
7.3.200.0110.00719.39
7.3.190.0140.00816.30
7.3.180.0090.00616.40
7.3.170.0090.01416.56
7.3.160.0100.01316.51
7.2.330.0080.00817.05
7.2.320.0150.00516.91
7.2.310.0100.01416.95
7.2.300.0070.01016.59
7.2.290.0100.00716.63
7.2.80.0070.00716.96
7.2.60.0070.00717.11
7.2.00.0030.01019.68
7.1.200.0060.00915.78
7.1.100.0030.00818.16
7.1.70.0000.00717.13
7.1.60.0110.01419.32
7.1.50.0120.01217.32
7.1.00.0000.08022.26
7.0.200.0030.00616.89
7.0.140.0100.06322.08
7.0.110.0070.08720.00
7.0.100.0130.05019.96
7.0.90.0230.08019.85
7.0.80.0130.08319.93
7.0.70.0170.06720.05
7.0.60.0100.08319.91
7.0.50.0170.07720.30
7.0.40.0130.06720.19
7.0.30.0070.07020.20
7.0.20.0230.06720.08
7.0.10.0130.07320.25
7.0.00.0070.04720.14
5.6.280.0000.07721.08
5.6.250.0100.07720.61
5.6.240.0100.08020.69
5.6.230.0030.05020.56
5.6.220.0070.06020.55
5.6.210.0000.05320.52
5.6.200.0070.08321.14
5.6.190.0030.07721.29
5.6.180.0100.08021.11
5.6.170.0200.06720.94
5.6.160.0170.03020.99
5.6.150.0030.08021.16
5.6.140.0100.06721.25
5.6.130.0130.08020.94
5.6.120.0170.08020.91
5.6.110.0070.05321.22
5.6.100.0030.08321.05
5.6.90.0000.09021.17
5.6.80.0100.06320.62
5.6.70.0070.03720.67
5.6.60.0100.04320.59
5.6.50.0030.04020.46
5.6.40.0030.04020.47
5.6.30.0100.03320.57
5.6.20.0100.03320.54
5.6.10.0100.04720.63
5.6.00.0000.04020.45
5.5.380.0070.07720.37
5.5.370.0100.07720.57
5.5.360.0070.08720.37
5.5.350.0070.08320.41
5.5.340.0070.08020.92
5.5.330.0200.04020.81
5.5.320.0130.07720.82
5.5.310.0170.07020.90
5.5.300.0070.07720.75
5.5.290.0030.04720.90
5.5.280.0100.07320.74
5.5.270.0200.07020.79
5.5.260.0070.07320.77
5.5.250.0130.06720.56
5.5.240.0030.06020.38
5.5.230.0030.05320.28
5.5.220.0130.03720.22
5.5.210.0030.04320.06
5.5.200.0130.03020.20
5.5.190.0030.04020.09
5.5.180.0000.04320.26
5.5.160.0030.05720.04
5.5.150.0070.06020.32
5.5.140.0030.08020.33
5.5.130.0070.03720.21
5.5.120.0100.06720.25
5.5.110.0070.04020.36
5.5.100.0130.06720.14
5.5.90.0100.04320.10
5.5.80.0070.03320.19
5.5.70.0030.04320.02
5.5.60.0030.04320.16
5.5.50.0030.04320.24
5.5.40.0100.03720.22
5.5.30.0070.03720.03
5.5.20.0130.03020.25
5.5.10.0000.04020.15
5.5.00.0100.03320.21
5.4.450.0100.07319.42
5.4.440.0070.07319.41
5.4.430.0030.04719.36
5.4.420.0130.07019.51
5.4.410.0130.06019.37
5.4.400.0100.03319.23
5.4.390.0030.04019.05
5.4.380.0030.03719.19
5.4.370.0000.06719.24
5.4.360.0000.04018.98
5.4.350.0030.03719.01
5.4.340.0030.03718.98
5.4.320.0030.07018.95
5.4.310.0030.03719.00
5.4.300.0070.05019.23
5.4.290.0030.03719.18
5.4.280.0070.04719.16
5.4.270.0070.04019.00
5.4.260.0070.03319.08
5.4.250.0100.03319.14
5.4.240.0030.03718.99
5.4.230.0000.04019.17
5.4.220.0130.05019.22
5.4.210.0130.03018.95
5.4.200.0070.05319.00
5.4.190.0030.03719.17
5.4.180.0030.04019.23
5.4.170.0070.03719.23
5.4.160.0070.03719.29
5.4.150.0100.03718.97
5.4.140.0070.03016.55
5.4.130.0000.04016.55
5.4.120.0100.03016.48
5.4.110.0030.03716.47
5.4.100.0000.04316.59
5.4.90.0070.03716.47
5.4.80.0000.07316.34
5.4.70.0030.03316.48
5.4.60.0130.06316.44
5.4.50.0070.04316.30
5.4.40.0070.07716.53
5.4.30.0070.03316.54
5.4.20.0070.06316.62
5.4.10.0030.07716.62
5.4.00.0030.06015.77
5.3.290.0100.06714.81
5.3.280.0000.04714.57
5.3.270.0170.02314.63
5.3.260.0030.03714.60
5.3.250.0030.05714.70
5.3.240.0070.03714.60
5.3.230.0000.04014.73
5.3.220.0100.06314.59
5.3.210.0030.03714.56
5.3.200.0100.02714.66
5.3.190.0030.06314.60
5.3.180.0030.06714.56
5.3.170.0030.06314.58
5.3.160.0000.07314.70
5.3.150.0070.04314.60
5.3.140.0030.03314.55
5.3.130.0030.06314.69
5.3.120.0000.05714.69
5.3.110.0030.07714.57
5.3.100.0000.08314.08
5.3.90.0130.04314.04
5.3.80.0030.08014.03
5.3.70.0100.06714.17
5.3.60.0000.04714.03
5.3.50.0070.07313.96
5.3.40.0130.07014.03
5.3.30.0030.06713.91
5.3.20.0030.05713.65
5.3.10.0130.06713.66
5.3.00.0070.05013.65
5.2.170.0130.05711.23
5.2.160.0100.03011.23
5.2.150.0030.06711.38
5.2.140.0100.06011.15
5.2.130.0000.06311.11
5.2.120.0070.06011.33
5.2.110.0030.06011.18
5.2.100.0100.04711.11
5.2.90.0030.05011.13
5.2.80.0130.05711.18
5.2.70.0100.03011.11
5.2.60.0030.06311.12
5.2.50.0100.05711.05
5.2.40.0070.06010.96
5.2.30.0070.04310.97
5.2.20.0000.06010.94
5.2.10.0070.06010.82
5.2.00.0070.05710.71
5.1.60.0030.05710.08
5.1.50.0070.0509.96
5.1.40.0100.0479.98
5.1.30.0000.05310.31
5.1.20.0000.06010.52
5.1.10.0070.05010.07
5.1.00.0100.05010.15
5.0.50.0030.0438.51
5.0.40.0100.0338.58
5.0.30.0030.0608.24
5.0.20.0070.0408.24
5.0.10.0070.0378.24
5.0.00.0030.0538.24
4.4.90.0070.0308.24
4.4.80.0030.0378.24
4.4.70.0030.0308.24
4.4.60.0000.0308.24
4.4.50.0000.0378.24
4.4.40.0070.0478.24
4.4.30.0030.0308.24
4.4.20.0030.0178.24
4.4.10.0030.0178.24
4.4.00.0030.0478.24
4.3.110.0000.0378.24
4.3.100.0030.0178.24
4.3.90.0070.0308.24
4.3.80.0030.0538.24
4.3.70.0070.0308.24
4.3.60.0070.0308.24
4.3.50.0030.0338.24
4.3.40.0030.0538.24
4.3.30.0070.0308.24
4.3.20.0030.0378.24
4.3.10.0000.0378.24
4.3.00.0000.0178.24

preferences:
55.21 ms | 401 KiB | 5 Q