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); $content{0} = strtolower($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)
8.3.70.0120.00316.63
8.3.60.0040.01118.43
8.3.50.0140.00521.98
8.3.40.0150.00618.70
8.3.30.0100.01018.90
8.3.20.0060.00320.07
8.3.10.0000.00823.51
8.3.00.0060.00317.21
8.2.180.0060.01516.38
8.2.170.0140.00322.96
8.2.160.0030.01020.30
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00422.27
8.2.110.0030.00622.07
8.2.100.0110.00018.03
8.2.90.0090.00019.13
8.2.80.0050.00317.97
8.2.70.0080.00417.13
8.2.60.0000.00817.91
8.2.50.0040.00418.07
8.2.40.0040.00418.16
8.2.30.0000.01117.88
8.2.20.0020.00517.46
8.2.10.0000.00717.91
8.2.00.0000.00717.46
8.1.280.0060.01525.92
8.1.270.0080.00023.82
8.1.260.0020.00526.35
8.1.250.0070.00028.09
8.1.240.0040.00422.10
8.1.230.0080.00317.77
8.1.220.0040.00417.74
8.1.210.0030.00618.77
8.1.200.0060.00317.23
8.1.190.0040.00417.10
8.1.180.0060.00318.10
8.1.170.0080.00018.59
8.1.160.0040.00421.95
8.1.150.0040.00418.67
8.1.140.0040.00417.32
8.1.130.0000.00717.78
8.1.120.0050.00217.19
8.1.110.0050.00317.33
8.1.100.0050.00317.22
8.1.90.0040.00417.22
8.1.80.0000.00817.34
8.1.70.0030.00517.23
8.1.60.0050.00317.33
8.1.50.0030.00617.37
8.1.40.0000.00817.27
8.1.30.0000.00917.54
8.1.20.0040.00417.38
8.1.10.0000.00717.39
8.1.00.0040.00417.20
8.0.300.0070.00018.77
8.0.290.0040.00416.63
8.0.280.0030.00318.22
8.0.270.0000.00717.02
8.0.260.0030.00317.16
8.0.250.0030.00316.94
8.0.240.0000.00716.84
8.0.230.0000.00716.88
8.0.220.0000.00716.84
8.0.210.0050.00216.76
8.0.200.0030.00316.80
8.0.190.0060.00316.90
8.0.180.0000.00716.88
8.0.170.0040.00416.85
8.0.160.0000.00716.80
8.0.150.0090.00316.67
8.0.140.0040.00416.82
8.0.130.0030.00313.28
8.0.120.0040.00416.77
8.0.110.0040.00416.66
8.0.100.0040.00416.68
8.0.90.0070.00016.88
8.0.80.0090.00616.82
8.0.70.0020.00516.71
8.0.60.0040.00416.62
8.0.50.0040.00316.64
8.0.30.0060.01317.01
8.0.20.0120.01117.40
8.0.10.0000.00717.01
8.0.00.0080.01216.64
7.4.330.0040.00015.00
7.4.320.0000.00716.57
7.4.300.0070.00016.64
7.4.290.0030.00316.65
7.4.280.0040.00316.51
7.4.270.0030.00316.44
7.4.260.0030.00316.52
7.4.250.0000.00716.52
7.4.240.0020.00516.50
7.4.230.0000.00716.61
7.4.220.0120.00616.70
7.4.210.0120.00616.62
7.4.200.0040.00416.46
7.4.160.0070.01016.55
7.4.150.0080.01217.40
7.4.140.0060.01717.86
7.4.130.0070.01116.60
7.4.120.0050.01216.50
7.4.110.0160.00716.27
7.4.100.0100.00716.64
7.4.90.0070.01016.40
7.4.80.0110.00819.39
7.4.70.0100.01016.50
7.4.60.0130.00416.58
7.4.50.0030.00616.64
7.4.40.0110.00516.54
7.4.30.0130.00516.44
7.4.00.0130.00314.88
7.3.330.0000.00513.38
7.3.320.0030.00313.40
7.3.310.0030.00316.34
7.3.300.0030.00316.35
7.3.290.0120.00316.33
7.3.280.0150.00516.36
7.3.270.0090.00917.40
7.3.260.0090.00916.57
7.3.250.0100.00716.52
7.3.240.0140.01116.59
7.3.230.0100.00716.62
7.3.210.0000.01716.26
7.3.200.0000.01919.39
7.3.190.0140.00316.73
7.3.180.0140.00816.54
7.3.170.0070.01016.43
7.3.160.0100.01316.28
7.2.330.0130.00516.67
7.2.320.0120.01216.70
7.2.310.0040.01816.87
7.2.300.0130.01017.05
7.2.290.0090.00916.55
7.2.80.0060.00917.03
7.2.60.0040.00716.90
7.2.00.0000.01019.73
7.1.200.0000.01415.98
7.1.100.0000.01418.37
7.1.70.0060.00317.43
7.1.60.0070.01719.32
7.1.50.0070.01117.06
7.1.00.0070.06722.32
7.0.200.0000.00717.01
7.0.140.0000.07321.95
7.0.110.0100.06020.05
7.0.100.0100.04720.06
7.0.90.0000.04720.05
7.0.80.0170.06019.91
7.0.70.0170.03719.96
7.0.60.0230.05320.03
7.0.50.0030.03719.82
7.0.40.0000.07019.76
7.0.30.0000.05719.75
7.0.20.0100.06319.67
7.0.10.0100.07019.75
7.0.00.0070.04019.69
5.6.280.0000.07720.86
5.6.260.0000.04320.61
5.6.250.0030.04720.64
5.6.240.0000.04320.64
5.6.230.0070.03320.86
5.6.220.0030.03320.59
5.6.210.0070.05320.82
5.6.200.0070.05020.60
5.6.190.0070.08020.59
5.6.180.0000.04320.83
5.6.170.0000.04720.81
5.6.160.0000.04320.56
5.6.150.0030.08320.68
5.6.140.0030.05020.56
5.6.130.0200.04020.58
5.6.120.0030.05720.55
5.6.110.0070.06320.54
5.6.100.0070.05020.84
5.6.90.0100.07720.69
5.6.80.0000.04020.00
5.6.70.0070.08319.93
5.6.60.0100.05320.08
5.6.50.0030.06720.06
5.6.40.0100.06720.04
5.6.30.0030.05319.91
5.6.20.0030.04319.98
5.6.10.0030.04720.00
5.6.00.0070.05719.95
5.5.380.0000.04317.59
5.5.370.0070.06717.69
5.5.360.0000.04317.68
5.5.350.0000.06017.50
5.5.340.0000.04317.84
5.5.330.0000.04317.91
5.5.320.0070.03718.11
5.5.310.0100.06718.10
5.5.300.0100.03717.93
5.5.290.0070.05318.13
5.5.280.0100.07018.13
5.5.270.0030.07318.12
5.5.260.0000.04718.12
5.5.250.0100.06018.06
5.5.240.0070.07017.48
5.5.230.0100.03317.60
5.5.220.0000.08017.29
5.5.210.0070.05717.47
5.5.200.0070.04017.45
5.5.190.0070.07317.40
5.5.180.0100.04717.59
5.5.160.0070.04317.18
5.5.150.0030.04317.58
5.5.140.0100.05017.28
5.5.130.0030.08317.57
5.5.120.0200.06017.44
5.5.110.0100.06717.27
5.5.100.0100.05017.35
5.5.90.0000.07017.35
5.5.80.0070.06017.18
5.5.70.0000.07317.36
5.5.60.0030.04017.31
5.5.50.0070.04717.16
5.5.40.0070.07317.46
5.5.30.0070.05717.17
5.5.20.0030.07317.36
5.5.10.0100.02717.15
5.5.00.0030.06317.35
5.4.450.0070.04019.32
5.4.440.0030.04319.34
5.4.430.0070.06019.54
5.4.420.0170.02319.30
5.4.410.0100.07719.18
5.4.400.0030.05319.20
5.4.390.0100.03019.24
5.4.380.0030.07019.17
5.4.370.0030.08019.01
5.4.360.0070.04019.14
5.4.350.0070.05719.02
5.4.340.0100.03718.99
5.4.320.0070.03719.34
5.4.310.0100.05719.00
5.4.300.0030.07318.99
5.4.290.0170.06719.18
5.4.280.0030.04319.23
5.4.270.0000.05318.95
5.4.260.0030.07319.31
5.4.250.0030.06319.02
5.4.240.0000.04019.24
5.4.230.0030.03719.17
5.4.220.0070.03719.08
5.4.210.0030.06719.08
5.4.200.0070.06719.02
5.4.190.0070.04319.23
5.4.180.0100.07019.23
5.4.170.0030.04719.15
5.4.160.0070.05318.97
5.4.150.0070.03019.07
5.4.140.0000.04016.54
5.4.130.0100.02316.32
5.4.120.0100.03016.43
5.4.110.0000.04016.50
5.4.100.0030.03716.52
5.4.90.0070.03316.36
5.4.80.0100.05716.45
5.4.70.0000.06016.24
5.4.60.0070.04716.63
5.4.50.0030.04716.56
5.4.40.0070.05716.61
5.4.30.0030.03316.48
5.4.20.0070.07016.23
5.4.10.0200.06016.48
5.4.00.0000.05315.99
5.3.290.0070.04714.91
5.3.280.0070.07714.74
5.3.270.0100.02714.61
5.3.260.0170.06714.57
5.3.250.0030.07714.73
5.3.240.0070.03314.61
5.3.230.0100.03314.72
5.3.220.0030.04314.43
5.3.210.0030.03714.58
5.3.200.0070.07314.59
5.3.190.0000.04014.59
5.3.180.0000.05314.54
5.3.170.0130.06314.59
5.3.160.0030.03314.79
5.3.150.0100.06714.66
5.3.140.0030.07714.55
5.3.130.0030.06014.50
5.3.120.0000.03714.52
5.3.110.0000.07314.55
5.3.100.0070.04714.19
5.3.90.0070.03314.16
5.3.80.0030.04014.04
5.3.70.0030.07314.04
5.3.60.0070.03314.00
5.3.50.0030.03313.80
5.3.40.0030.05713.97
5.3.30.0030.03713.88
5.3.20.0000.04713.70
5.3.10.0030.06313.79
5.3.00.0000.05313.68
5.2.170.0030.02712.08
5.2.160.0000.05012.08
5.2.150.0070.04012.08
5.2.140.0030.05012.08
5.2.130.0030.04712.08
5.2.120.0030.04012.08
5.2.110.0030.02312.08
5.2.100.0030.03012.08
5.2.90.0070.03712.08
5.2.80.0030.03312.08
5.2.70.0000.03012.08
5.2.60.0000.02712.08
5.2.50.0000.06312.08
5.2.40.0030.02712.08
5.2.30.0000.02712.08
5.2.20.0000.03012.08
5.2.10.0030.04312.08
5.2.00.0000.06312.08
5.1.60.0000.05312.08
5.1.50.0070.01712.08
5.1.40.0030.02012.08
5.1.30.0030.02012.08
5.1.20.0030.02712.08
5.1.10.0000.02312.08
5.1.00.0000.04012.08
5.0.50.0030.02012.08
5.0.40.0030.01712.08
5.0.30.0000.04712.08
5.0.20.0030.02712.08
5.0.10.0070.03012.08
5.0.00.0000.03312.08
4.4.90.0000.01312.08
4.4.80.0070.02712.08
4.4.70.0030.02312.08
4.4.60.0000.01712.08
4.4.50.0070.02712.08
4.4.40.0030.03712.08
4.4.30.0000.02712.08
4.4.20.0100.02712.08
4.4.10.0000.02312.08
4.4.00.0000.02012.08
4.3.110.0030.01312.08
4.3.100.0030.01312.08
4.3.90.0000.03712.08
4.3.80.0030.05312.08
4.3.70.0030.01012.08
4.3.60.0000.01312.08
4.3.50.0030.01312.08
4.3.40.0030.04712.08
4.3.30.0000.01312.08
4.3.20.0000.02312.08
4.3.10.0000.01312.08
4.3.00.0000.01312.08

preferences:
53.05 ms | 401 KiB | 5 Q