3v4l.org

run code in 300+ PHP versions simultaneously
<?php function camelCase($string) { preg_replace_callback('/(?:^|_)(.?)/',"strtoupper('$1')",$string); return $string; } echo camelCase('common/home'); echo camelCase('common_home');

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)
8.3.60.0040.01518.43
8.3.50.0090.00922.01
8.3.40.0150.00618.76
8.3.30.0200.00019.04
8.3.20.0040.00420.34
8.3.10.0030.00621.85
8.3.00.0040.00419.21
8.2.180.0150.00618.54
8.2.170.0150.00618.83
8.2.160.0070.00722.96
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00818.79
8.2.110.0000.01020.30
8.2.100.0070.00317.93
8.2.90.0060.00319.17
8.2.80.0040.00417.97
8.2.70.0080.00017.63
8.2.60.0040.00417.91
8.2.50.0060.00318.07
8.2.40.0080.00018.09
8.2.30.0070.00017.87
8.2.20.0000.00817.70
8.2.10.0080.00017.86
8.2.00.0050.00317.77
8.1.280.0100.01025.92
8.1.270.0080.00018.83
8.1.260.0100.00026.35
8.1.250.0030.00528.09
8.1.240.0050.00521.95
8.1.230.0070.00419.00
8.1.220.0040.00417.74
8.1.210.0030.00618.77
8.1.200.0060.00317.25
8.1.190.0000.00817.00
8.1.180.0000.00718.10
8.1.170.0000.00818.56
8.1.160.0000.00722.01
8.1.150.0030.00518.77
8.1.140.0080.00019.16
8.1.130.0040.00417.71
8.1.120.0040.00317.35
8.1.110.0040.00417.34
8.1.100.0000.00717.34
8.1.90.0080.00017.27
8.1.80.0030.00517.29
8.1.70.0000.00817.38
8.1.60.0000.00817.58
8.1.50.0040.00417.36
8.1.40.0040.00417.45
8.1.30.0040.00417.50
8.1.20.0090.00317.59
8.1.10.0000.00817.43
8.1.00.0050.00217.52
8.0.300.0040.00418.77
8.0.290.0070.00016.75
8.0.280.0000.00718.30
8.0.270.0000.00717.21
8.0.260.0030.00317.26
8.0.250.0030.00317.00
8.0.240.0040.00416.89
8.0.230.0070.00016.94
8.0.220.0070.00016.88
8.0.210.0000.00716.81
8.0.200.0000.00716.95
8.0.190.0070.00017.03
8.0.180.0030.00516.85
8.0.170.0030.00516.82
8.0.160.0000.00716.97
8.0.150.0000.00716.70
8.0.140.0040.00316.85
8.0.130.0030.00613.34
8.0.120.0080.00016.88
8.0.110.0080.00016.73
8.0.100.0040.00416.93
8.0.90.0040.00416.97
8.0.80.0100.01016.89
8.0.70.0040.00417.01
8.0.60.0020.00516.78
8.0.50.0000.00716.88
8.0.30.0110.01217.07
8.0.20.0140.00817.40
8.0.10.0000.00816.83
8.0.00.0140.00416.72
7.4.330.0050.00015.03
7.4.320.0000.00616.50
7.4.300.0000.00716.54
7.4.290.0070.00016.49
7.4.280.0030.00316.52
7.4.270.0030.00316.41
7.4.260.0030.00316.56
7.4.250.0030.00316.29
7.4.240.0030.00316.45
7.4.230.0000.00716.44
7.4.220.0070.01016.49
7.4.210.0070.00716.54
7.4.200.0000.00716.44
7.4.160.0120.00316.49
7.4.150.0160.00817.40
7.4.140.0110.00817.86
7.4.130.0080.01316.49
7.4.120.0090.00616.50
7.4.110.0190.00616.42
7.4.100.0060.01216.58
7.4.90.0130.00316.51
7.4.80.0090.00919.39
7.4.70.0140.00416.48
7.4.60.0060.00916.36
7.4.50.0030.00516.36
7.4.40.0130.00316.19
7.4.30.0100.00716.51
7.4.00.0060.01115.19
7.3.330.0000.00613.27
7.3.320.0060.00013.16
7.3.310.0030.00316.14
7.3.300.0050.00316.13
7.3.290.0100.00416.24
7.3.280.0080.01016.33
7.3.270.0070.01417.40
7.3.260.0100.01316.52
7.3.250.0080.00816.30
7.3.240.0170.00016.54
7.3.230.0070.01516.45
7.3.210.0000.01516.35
7.3.200.0060.01119.39
7.3.190.0100.00516.48
7.3.180.0080.01216.36
7.3.170.0100.00616.32
7.3.160.0070.01016.37
7.3.120.0040.01114.52
7.3.110.0060.00814.63
7.3.100.0060.00814.57
7.3.90.0090.00614.77
7.3.80.0070.00715.11
7.3.70.0070.00714.45
7.3.60.0130.00314.88
7.3.50.0130.00314.89
7.3.40.0070.00714.60
7.3.30.0060.00814.83
7.3.20.0070.00716.67
7.3.10.0050.00916.51
7.3.00.0040.00916.54
7.2.330.0110.00716.71
7.2.320.0110.00616.54
7.2.310.0170.00016.61
7.2.300.0110.00816.29
7.2.290.0120.00616.60
7.2.250.0100.01015.18
7.2.240.0170.00314.84
7.2.230.0070.01015.13
7.2.220.0040.01214.96
7.2.210.0040.01415.12
7.2.200.0040.00914.90
7.2.190.0040.01114.76
7.2.180.0000.01214.70
7.2.170.0070.00714.88
7.2.130.0040.01116.84
7.2.120.0070.00416.83
7.2.110.0060.00616.81
7.2.100.0030.00616.47
7.2.90.0070.00716.52
7.2.80.0110.00716.99
7.2.70.0030.01016.98
7.2.60.0000.00916.95
7.2.50.0100.00316.57
7.2.40.0070.00716.96
7.2.30.0030.00516.95
7.2.20.0080.00416.77
7.2.10.0130.00316.97
7.2.00.0030.01017.81
7.1.330.0030.00615.54
7.1.320.0040.00815.64
7.1.310.0060.00815.79
7.1.300.0060.00615.73
7.1.290.0100.00315.74
7.1.280.0030.00915.61
7.1.270.0130.00015.74
7.1.260.0090.00615.90
7.1.250.0090.00315.86
7.1.200.0070.00315.38
7.1.100.0030.00917.64
7.1.70.0070.00017.22
7.1.60.0090.01619.46
7.1.50.0040.01816.93
7.1.00.0100.06722.45
7.0.200.0080.00414.68
7.0.140.0030.03721.92
7.0.60.0030.08720.03
7.0.50.0130.06317.88
7.0.40.0030.05320.25
7.0.30.0230.03720.24
7.0.20.0370.07720.29
7.0.10.0100.06320.16
7.0.00.0100.03720.08
5.6.280.0070.06721.11
5.6.210.0030.05020.54
5.6.200.0100.08018.29
5.6.190.0170.07020.52
5.6.180.0500.07320.77
5.6.170.0330.07020.45
5.6.160.0030.05720.47
5.6.150.0030.04318.12
5.6.140.0130.03318.16
5.6.130.0000.04318.24
5.6.120.0070.05321.00
5.6.110.0070.06320.98
5.6.100.0230.06720.96
5.6.90.0030.05020.99
5.6.80.0030.07020.51
5.5.350.0300.07720.43
5.5.340.0070.06717.98
5.5.330.0070.03720.29
5.5.320.0000.08320.37
5.5.310.0330.04020.37
5.5.300.0000.04017.99
5.5.290.0030.08718.07
5.5.280.0170.06020.88
5.5.270.0030.06320.63
5.5.260.0100.08020.73
5.5.250.0130.07720.66
5.5.240.0030.05320.34
5.4.450.0570.07019.39
5.4.440.0070.07019.34
5.4.430.0030.07319.53
5.4.420.0100.06319.53
5.4.410.0300.03719.31
5.4.400.0070.05719.23
5.4.390.0200.05718.59
5.4.380.0130.07018.53
5.4.370.0200.05718.62
5.4.360.0200.05718.86
5.4.350.0230.05718.70
5.4.340.0200.05718.80
5.4.320.0170.05718.73
5.4.310.0200.05318.61
5.4.300.0200.05318.69
5.4.290.0070.06018.80
5.4.280.0130.06018.62
5.4.270.0200.05018.83
5.4.260.0170.05318.60
5.4.250.0130.06018.61
5.4.240.0200.07318.54
5.4.230.0130.05718.64
5.4.220.0130.06018.73
5.4.210.0170.06018.54
5.4.200.0100.05716.62
5.4.190.0170.05318.59
5.4.180.0230.04718.75
5.4.170.0130.05718.77
5.4.160.0170.05718.60
5.4.150.0200.05318.44
5.4.140.0170.05316.27
5.4.130.0200.07316.45
5.4.120.0270.06716.26
5.4.110.0130.06016.23
5.4.100.0300.05016.27
5.4.90.0270.06016.18
5.4.80.0230.06016.43
5.4.70.0200.06016.23
5.4.60.0270.04316.20
5.4.50.0170.05016.39
5.4.40.0130.06716.27
5.4.30.0230.06316.40
5.4.20.0170.05316.41
5.4.10.0170.05316.26
5.4.00.0100.06015.72
5.3.290.0200.05714.79
5.3.280.0070.06314.70
5.3.270.0300.05014.61
5.3.260.0170.05714.77
5.3.250.0130.05714.73
5.3.240.0230.04714.62
5.3.230.0070.06314.62
5.3.220.0130.05714.59
5.3.210.0270.04314.69
5.3.200.0200.05014.70
5.3.190.0200.05314.59
5.3.180.0200.05014.61
5.3.170.0200.05014.75
5.3.160.0230.04314.74
5.3.150.0200.05014.69
5.3.140.0270.04714.59
5.3.130.0200.06014.57
5.3.120.0170.06714.77
5.3.110.0270.04314.64
5.3.100.0170.05714.16
5.3.90.0230.05314.05
5.3.80.0170.05314.16
5.3.70.0100.06014.22
5.3.60.0130.05014.05
5.3.50.0270.04314.16
5.3.40.0230.06014.17
5.3.30.0200.06014.00
5.3.20.0100.05713.68
5.3.10.0100.05313.75
5.3.00.0170.07013.71
5.2.170.0200.03311.25
5.2.160.0170.03711.36
5.2.150.0070.04711.20
5.2.140.0170.04011.25
5.2.130.0100.04311.12
5.2.120.0170.04011.13
5.2.110.0170.04311.14
5.2.100.0100.04711.08
5.2.90.0230.03711.32
5.2.80.0130.04011.15
5.2.70.0130.04011.11
5.2.60.0270.04311.27
5.2.50.0230.03711.05
5.2.40.0130.04011.10
5.2.30.0100.04011.07
5.2.20.0100.04011.06
5.2.10.0070.04310.88
5.2.00.0170.03710.93
5.1.60.0130.0339.97
5.1.50.0130.03310.03
5.1.40.0100.0379.96
5.1.30.0130.03710.42
5.1.20.0170.03310.57
5.1.10.0100.03710.20
5.1.00.0130.03310.08
5.0.50.0100.0278.56
5.0.40.0100.0238.49
5.0.30.0100.0408.24
5.0.20.0000.0338.23
5.0.10.0100.0238.25
5.0.00.0070.0438.36
4.4.90.0100.0175.93
4.4.80.0070.0205.87
4.4.70.0000.0305.90
4.4.60.0070.0205.88
4.4.50.0000.0275.88
4.4.40.0070.0335.88
4.4.30.0030.0235.87
4.4.20.0030.0235.95
4.4.10.0070.0206.05
4.4.00.0070.0375.95
4.3.110.0030.0275.86
4.3.100.0070.0205.82
4.3.90.0070.0205.80
4.3.80.0030.0375.93
4.3.70.0030.0305.84
4.3.60.0030.0335.89
4.3.50.0130.0205.79
4.3.40.0070.0335.80
4.3.30.0000.0274.56
4.3.20.0070.0204.56
4.3.10.0030.0234.60
4.3.00.0030.0239.16

preferences:
41.42 ms | 401 KiB | 5 Q