3v4l.org

run code in 300+ PHP versions simultaneously
<?php function camelCase($string) { preg_replace('/(?:^|_)(.?)/e',"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)
8.3.60.0150.00418.55
8.3.50.0170.00222.04
8.3.40.0070.00718.63
8.3.30.0140.00018.92
8.3.20.0030.00620.13
8.3.10.0040.00421.65
8.3.00.0040.00419.19
8.2.180.0170.00318.29
8.2.170.0130.00918.69
8.2.160.0120.00322.96
8.2.150.0030.00524.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0030.00519.77
8.2.110.0140.00722.18
8.2.100.0110.00017.72
8.2.90.0050.00319.05
8.2.80.0050.00317.97
8.2.70.0060.00317.38
8.2.60.0050.00317.79
8.2.50.0040.00718.07
8.2.40.0040.00417.77
8.2.30.0000.00818.07
8.2.20.0050.00317.62
8.2.10.0000.00817.98
8.2.00.0050.00317.55
8.1.280.0150.00625.92
8.1.270.0050.00218.88
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00620.93
8.1.230.0060.00619.02
8.1.220.0030.00617.74
8.1.210.0080.00018.77
8.1.200.0030.00617.11
8.1.190.0000.00817.13
8.1.180.0020.00518.10
8.1.170.0040.00418.62
8.1.160.0000.00721.82
8.1.150.0040.00418.67
8.1.140.0040.00419.22
8.1.130.0080.00017.63
8.1.120.0000.00717.31
8.1.110.0030.00517.34
8.1.100.0040.00417.29
8.1.90.0040.00417.21
8.1.80.0080.00017.27
8.1.70.0000.00717.20
8.1.60.0000.00817.43
8.1.50.0030.00517.36
8.1.40.0060.00317.42
8.1.30.0000.00917.48
8.1.20.0000.00917.57
8.1.10.0040.00417.26
8.1.00.0040.00417.36
8.0.300.0050.00318.77
8.0.290.0040.00416.75
8.0.280.0000.00718.33
8.0.270.0000.00716.73
8.0.260.0000.00617.11
8.0.250.0000.00616.92
8.0.240.0040.00416.94
8.0.230.0040.00416.91
8.0.220.0000.00816.76
8.0.210.0040.00416.75
8.0.200.0040.00416.95
8.0.190.0050.00216.93
8.0.180.0020.00516.86
8.0.170.0040.00416.91
8.0.160.0000.00716.79
8.0.150.0000.00716.74
8.0.140.0040.00416.78
8.0.130.0030.00313.33
8.0.120.0000.00716.79
8.0.110.0040.00416.74
8.0.100.0050.00216.87
8.0.90.0000.00716.86
8.0.80.0080.00816.81
8.0.70.0040.00416.79
8.0.60.0000.00716.75
8.0.50.0040.00416.87
8.0.30.0120.01017.12
8.0.20.0140.00617.40
8.0.10.0000.00716.87
8.0.00.0050.01416.77
7.4.330.0030.00315.03
7.4.320.0030.00316.47
7.4.300.0060.00016.58
7.4.290.0030.00316.51
7.4.280.0030.00416.56
7.4.270.0000.00616.39
7.4.260.0000.00716.42
7.4.250.0070.00016.49
7.4.240.0050.00216.48
7.4.230.0030.00316.41
7.4.220.0070.01016.50
7.4.210.0090.00616.56
7.4.200.0000.00716.48
7.4.160.0150.00016.50
7.4.150.0220.00017.40
7.4.140.0100.00817.86
7.4.130.0140.00616.68
7.4.120.0120.00516.41
7.4.110.0070.01316.27
7.4.100.0140.00716.55
7.4.90.0130.00516.33
7.4.80.0080.00819.39
7.4.70.0100.00716.46
7.4.60.0070.01016.45
7.4.50.0030.00516.47
7.4.40.0060.00916.31
7.4.30.0120.00916.38
7.4.00.0060.00914.77
7.3.330.0020.00213.16
7.3.320.0020.00213.32
7.3.310.0000.00716.32
7.3.300.0070.00016.16
7.3.290.0080.00816.26
7.3.280.0100.00816.26
7.3.270.0100.00717.40
7.3.260.0130.00316.41
7.3.250.0100.00716.37
7.3.240.0110.00616.34
7.3.230.0060.01116.39
7.3.210.0140.00316.44
7.3.200.0000.01619.39
7.3.190.0110.00516.22
7.3.180.0120.00916.29
7.3.170.0100.00616.46
7.3.160.0110.00616.46
7.2.330.0070.01016.69
7.2.320.0070.01516.67
7.2.310.0060.01216.73
7.2.300.0160.00316.71
7.2.290.0140.00816.76
7.2.60.0030.01216.98
7.1.200.0090.00316.03
7.1.70.0040.00417.33
7.1.60.0000.02219.46
7.1.50.0070.01417.07
7.1.00.0000.08022.45
7.0.200.0110.00714.98
7.0.140.0000.04322.22
7.0.60.0130.08019.95
7.0.50.0100.07717.87
7.0.40.0030.04320.29
7.0.30.0130.04720.25
7.0.20.0370.05320.10
7.0.10.0100.09020.16
7.0.00.0030.05320.09
5.6.280.0070.07020.99
5.6.210.0030.05720.61
5.6.200.0070.05718.16
5.6.190.0130.07720.47
5.6.180.0370.06020.33
5.6.170.0170.04720.56
5.6.160.0100.03720.54
5.6.150.0000.04718.27
5.6.140.0070.05018.12
5.6.130.0070.03718.15
5.6.120.0100.05321.00
5.6.110.0100.06021.08
5.6.100.0100.08720.98
5.6.90.0030.05320.95
5.6.80.0170.07020.44
5.5.350.0270.06720.41
5.5.340.0070.07017.99
5.5.330.0030.04020.47
5.5.320.0030.04320.30
5.5.310.0330.08020.24
5.5.300.0030.08017.95
5.5.290.0100.08318.08
5.5.280.0100.09720.77
5.5.270.0070.04020.66
5.5.260.0030.07720.94
5.5.250.0100.08320.71
5.5.240.0300.05720.16
5.4.450.0570.07319.63
5.4.440.0470.06019.45
5.4.430.0170.05319.52
5.4.420.0070.05719.42
5.4.410.0200.05319.47
5.4.400.0130.06019.02
5.4.390.0230.04718.47
5.4.380.0200.05018.59
5.4.370.0200.05018.80
5.4.360.0230.04318.63
5.4.350.0200.05018.79
5.4.340.0030.06318.51
5.4.320.0170.05318.77
5.4.310.0200.05318.58
5.4.300.0230.04718.79
5.4.290.0230.04718.65
5.4.280.0270.05018.46
5.4.270.0100.06018.78
5.4.260.0230.05018.74
5.4.250.0170.05718.74
5.4.240.0230.04718.58
5.4.230.0100.05718.60
5.4.220.0200.05318.60
5.4.210.0130.05718.83
5.4.200.0100.05716.59
5.4.190.0300.04318.76
5.4.180.0200.04718.82
5.4.170.0200.05718.82
5.4.160.0170.05018.57
5.4.150.0170.05318.72
5.4.140.0270.04316.36
5.4.130.0200.04716.44
5.4.120.0200.04716.20
5.4.110.0070.06016.27
5.4.100.0130.05316.30
5.4.90.0130.05716.27
5.4.80.0200.04316.23
5.4.70.0200.05316.35
5.4.60.0270.04316.16
5.4.50.0270.04016.30
5.4.40.0230.07016.30
5.4.30.0130.05316.38
5.4.20.0170.05316.29
5.4.10.0030.06316.29
5.4.00.0070.06015.75
5.3.290.0130.06014.68
5.3.280.0170.05014.88
5.3.270.0070.06014.69
5.3.260.0230.04714.70
5.3.250.0100.05714.70
5.3.240.0170.05014.70
5.3.230.0170.05014.65
5.3.220.0200.05014.60
5.3.210.0200.05014.85
5.3.200.0070.06314.67
5.3.190.0270.04714.77
5.3.180.0170.05014.73
5.3.170.0230.04314.66
5.3.160.0200.05314.69
5.3.150.0170.05014.58
5.3.140.0200.04714.75
5.3.130.0200.05714.75
5.3.120.0070.07314.61
5.3.110.0230.05014.55
5.3.100.0230.04714.09
5.3.90.0200.06714.20
5.3.80.0100.05714.12
5.3.70.0230.04714.12
5.3.60.0170.05014.18
5.3.50.0100.07013.98
5.3.40.0230.04714.00
5.3.30.0230.04313.90
5.3.20.0100.06013.71
5.3.10.0200.04313.70
5.3.00.0270.04013.85
5.2.170.0130.04011.27
5.2.160.0200.03311.20
5.2.150.0170.04011.27
5.2.140.0130.04311.23
5.2.130.0100.04311.10
5.2.120.0170.04011.14
5.2.110.0130.04711.11
5.2.100.0170.04011.15
5.2.90.0170.03711.15
5.2.80.0170.04311.20
5.2.70.0200.03311.14
5.2.60.0170.03711.18
5.2.50.0130.04311.16
5.2.40.0100.04011.11
5.2.30.0100.04010.99
5.2.20.0130.04310.96
5.2.10.0130.03710.97
5.2.00.0070.04310.81
5.1.60.0030.04310.06
5.1.50.0130.04010.02
5.1.40.0130.03310.00
5.1.30.0130.04310.43
5.1.20.0170.04710.45
5.1.10.0200.04010.11
5.1.00.0100.04010.11
5.0.50.0170.0308.59
5.0.40.0170.0308.55
5.0.30.0070.0578.23
5.0.20.0100.0308.41
5.0.10.0070.0308.28
5.0.00.0100.0438.11
4.4.90.0070.0205.98
4.4.80.0000.0275.91
4.4.70.0030.0275.96
4.4.60.0030.0235.99
4.4.50.0030.0235.90
4.4.40.0070.0335.90
4.4.30.0070.0235.92
4.4.20.0000.0276.04
4.4.10.0070.0205.99
4.4.00.0000.0406.02
4.3.110.0030.0235.89
4.3.100.0030.0235.81
4.3.90.0030.0235.82
4.3.80.0070.0375.80
4.3.70.0070.0205.80
4.3.60.0030.0235.81
4.3.50.0070.0205.87
4.3.40.0070.0375.84
4.3.30.0030.0304.58
4.3.20.0030.0234.63
4.3.10.0030.0234.57
4.3.00.0070.0279.16

preferences:
30.12 ms | 401 KiB | 5 Q