3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo preg_replace_callback('/(_?[a-z]+)/', function($u) { //var_dump($u); return str_replace('_', '', strtoupper($u[0])); } , 'rob_tr');

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)
8.3.60.0070.00718.43
8.3.50.0100.00821.21
8.3.40.0100.00719.04
8.3.30.0100.00320.17
8.3.20.0050.00320.34
8.3.10.0040.00420.96
8.3.00.0040.00422.46
8.2.180.0000.01617.00
8.2.170.0090.00622.96
8.2.160.0070.00722.25
8.2.150.0050.00324.18
8.2.140.0000.00824.66
8.2.130.0070.00026.16
8.2.120.0040.00420.86
8.2.110.0060.00319.33
8.2.100.0080.00417.97
8.2.90.0050.00319.22
8.2.80.0000.00919.33
8.2.70.0090.00317.75
8.2.60.0040.00417.92
8.2.50.0050.00318.07
8.2.40.0060.00618.05
8.2.30.0040.00419.34
8.2.20.0000.00817.88
8.2.10.0040.00417.98
8.2.00.0050.00217.77
8.1.280.0130.00625.92
8.1.270.0040.00423.99
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00722.59
8.1.230.0050.00520.85
8.1.220.0000.00818.77
8.1.210.0040.00420.61
8.1.200.0030.00617.48
8.1.190.0030.00617.39
8.1.180.0060.00318.10
8.1.170.0080.00018.59
8.1.160.0000.00718.85
8.1.150.0080.00018.73
8.1.140.0080.00017.49
8.1.130.0000.00717.79
8.1.120.0000.00717.54
8.1.110.0000.00817.45
8.1.100.0000.00717.58
8.1.90.0040.00417.44
8.1.80.0030.00417.54
8.1.70.0000.00717.47
8.1.60.0050.00217.67
8.1.50.0040.00417.62
8.1.40.0000.00717.67
8.1.30.0040.00417.64
8.1.20.0060.00317.64
8.1.10.0000.00717.63
8.1.00.0000.00817.61
8.0.300.0030.00319.89
8.0.290.0060.00317.05
8.0.280.0060.00318.34
8.0.270.0030.00317.14
8.0.260.0000.00716.91
8.0.250.0070.00016.94
8.0.240.0030.00516.95
8.0.230.0040.00417.02
8.0.220.0000.00716.82
8.0.210.0000.00716.86
8.0.200.0030.00316.93
8.0.190.0000.00817.09
8.0.180.0000.00717.06
8.0.170.0000.00716.99
8.0.160.0070.00017.02
8.0.150.0000.00716.89
8.0.140.0030.00716.84
8.0.130.0000.00513.38
8.0.120.0040.00416.84
8.0.110.0040.00416.99
8.0.100.0030.00516.83
8.0.90.0000.00717.09
8.0.80.0090.00916.98
8.0.70.0000.00716.99
8.0.60.0040.00416.93
8.0.50.0070.00016.93
8.0.30.0100.01017.22
8.0.20.0100.00817.40
8.0.10.0040.00416.90
8.0.00.0090.01016.94
7.4.330.0000.00516.76
7.4.320.0070.00016.68
7.4.300.0020.00516.68
7.4.290.0070.00016.70
7.4.280.0080.00016.61
7.4.270.0070.00016.67
7.4.260.0000.00713.45
7.4.250.0040.00416.68
7.4.240.0030.00516.61
7.4.230.0070.00016.75
7.4.220.0100.01616.65
7.4.210.0080.00716.63
7.4.200.0000.00716.75
7.4.190.0070.00016.71
7.4.160.0060.01116.42
7.4.150.0100.01317.40
7.4.140.0110.00817.86
7.4.130.0080.00816.73
7.4.120.0070.00916.70
7.4.110.0100.00716.57
7.4.100.0040.01216.73
7.4.90.0090.00916.64
7.4.80.0100.01319.39
7.4.70.0070.01416.73
7.4.60.0100.00716.67
7.4.50.0090.00016.74
7.4.40.0070.01122.77
7.4.30.0120.00616.71
7.4.00.0090.00615.20
7.3.330.0030.00313.52
7.3.320.0000.00613.45
7.3.310.0030.00316.32
7.3.300.0000.00816.48
7.3.290.0030.01016.37
7.3.280.0120.00316.38
7.3.270.0100.00717.40
7.3.260.0150.01118.24
7.3.250.0100.01016.55
7.3.240.0100.00616.54
7.3.230.0160.00716.58
7.3.210.0130.00316.64
7.3.200.0070.01319.39
7.3.190.0160.00616.70
7.3.180.0000.01516.44
7.3.170.0060.01016.70
7.3.160.0130.01016.87
7.3.120.0150.00014.87
7.3.10.0060.00616.71
7.3.00.0130.00316.61
7.2.330.0130.00316.79
7.2.320.0200.00316.73
7.2.310.0120.01216.85
7.2.300.0070.01016.66
7.2.290.0060.01116.84
7.2.130.0030.00617.09
7.2.120.0070.01017.07
7.2.110.0070.00316.99
7.2.100.0090.00616.89
7.2.90.0030.01217.06
7.2.80.0030.00716.94
7.2.70.0030.01017.04
7.2.60.0090.00916.90
7.2.50.0070.00316.78
7.2.40.0030.01017.03
7.2.30.0080.00817.07
7.2.20.0080.00517.04
7.2.10.0000.01117.01
7.2.00.0070.01018.19
7.1.250.0040.01115.87
7.1.100.0000.01418.50
7.1.70.0040.00817.43
7.1.60.0030.02119.17
7.1.50.0120.00935.05
7.1.00.0130.06722.46
7.0.200.0000.00716.87
7.0.140.0030.07322.09
7.0.100.0230.05319.91
7.0.90.0200.04320.00
7.0.80.0300.08319.93
7.0.70.0130.04019.93
7.0.60.0100.05719.87
7.0.50.0200.07020.18
7.0.40.0100.04720.05
7.0.30.0030.05720.08
7.0.20.0070.08020.05
7.0.10.0030.05320.04
7.0.00.0070.06319.95
5.6.280.0070.07021.08
5.6.250.0070.08020.54
5.6.240.0200.07320.64
5.6.230.0100.09320.69
5.6.220.0030.07320.58
5.6.210.0100.06320.55
5.6.200.0000.04721.10
5.6.190.0070.07721.04
5.6.180.0070.04021.04
5.6.170.0170.07321.09
5.6.160.0030.07321.14
5.6.150.0070.08021.04
5.6.140.0100.08021.02
5.6.130.0170.05321.07
5.6.120.0070.07021.01
5.6.110.0100.08021.02
5.6.100.0100.08721.00
5.6.90.0000.05721.00
5.6.80.0130.06320.48
5.6.70.0100.07020.40
5.6.60.0000.04320.42
5.6.50.0130.07020.34
5.6.40.0130.08320.47
5.6.30.0100.04020.48
5.6.20.0070.04020.43
5.6.10.0070.08320.53
5.6.00.0070.06720.36
5.5.380.0100.08020.35
5.5.370.0100.08320.39
5.5.360.0070.05720.41
5.5.350.0200.06320.42
5.5.340.0130.07320.80
5.5.330.0070.05720.81
5.5.320.0070.08020.75
5.5.310.0130.08320.73
5.5.300.0030.08320.86
5.5.290.0070.04020.88
5.5.280.0100.04020.91
5.5.270.0030.08320.75
5.5.260.0100.04720.79
5.5.250.0000.06020.63
5.5.240.0100.07720.16
5.5.230.0030.05320.30
5.5.220.0100.04320.17
5.5.210.0100.05720.17
5.5.200.0070.04020.26
5.5.190.0130.07320.22
5.5.180.0070.04020.16
5.5.160.0100.08020.18
5.5.150.0130.07320.12
5.5.140.0200.05020.11
5.5.130.0070.07020.22
5.5.120.0070.06720.08
5.5.110.0100.05720.14
5.5.100.0130.07319.98
5.5.90.0100.06320.15
5.5.80.0070.08020.07
5.5.70.0100.07720.08
5.5.60.0130.07019.96
5.5.50.0030.04020.06
5.5.40.0030.06720.08
5.5.30.0100.06020.08
5.5.20.0170.07020.00
5.5.10.0130.06320.08
5.5.00.0030.03720.04
5.4.450.0070.08019.47
5.4.440.0100.06019.41
5.4.430.0070.08019.37
5.4.420.0030.07719.34
5.4.410.0030.06319.18
5.4.400.0130.07318.91
5.4.390.0070.08019.21
5.4.380.0100.05719.17
5.4.370.0070.04319.04
5.4.360.0030.05718.84
5.4.350.0000.08319.21
5.4.340.0100.03319.16
5.4.320.0130.07018.85
5.4.310.0100.04018.88
5.4.300.0100.09319.12
5.4.290.0000.08319.10
5.4.280.0100.06719.20
5.4.270.0070.07318.94
5.4.260.0300.03719.05
5.4.250.0070.07019.20
5.4.240.0070.05019.04
5.4.230.0000.06018.90
5.4.220.0000.05718.89
5.4.210.0070.09019.04
5.4.200.0070.03718.84
5.4.190.0030.03719.07
5.4.180.0070.07018.84
5.4.170.0030.05019.22
5.4.160.0100.06319.19
5.4.150.0170.07018.88
5.4.140.0100.05716.41
5.4.130.0070.03016.40
5.4.120.0030.04016.40
5.4.110.0130.07016.34
5.4.100.0100.07016.32
5.4.90.0000.04716.50
5.4.80.0070.07016.32
5.4.70.0070.05016.38
5.4.60.0000.08016.37
5.4.50.0100.06016.34
5.4.40.0030.03316.52
5.4.30.0100.03016.31
5.4.20.0070.06716.46
5.4.10.0070.07316.48
5.4.00.0070.04315.84
5.3.290.0070.07714.55
5.3.280.0100.06714.70
5.3.270.0030.05314.69
5.3.260.0070.07314.70
5.3.250.0030.05714.63
5.3.240.0100.07014.53
5.3.230.0000.04014.58
5.3.220.0000.07014.63
5.3.210.0100.07314.68
5.3.200.0030.07014.70
5.3.190.0070.06314.59
5.3.180.0030.07714.52
5.3.170.0030.03714.50
5.3.160.0070.07014.58
5.3.150.0030.06714.55
5.3.140.0000.04314.50
5.3.130.0100.03714.46
5.3.120.0070.07014.60
5.3.110.0130.06014.53
5.3.100.0070.03313.97
5.3.90.0030.04714.13
5.3.80.0030.05014.11
5.3.70.0070.07014.00
5.3.60.0100.04314.06
5.3.50.0130.05714.06
5.3.40.0070.07714.00
5.3.30.0100.07013.96
5.3.20.0070.05713.79
5.3.10.0130.04713.56
5.3.00.0000.07713.70
5.2.170.0000.05711.64
5.2.160.0030.05711.64
5.2.150.0070.06011.64
5.2.140.0030.02711.64
5.2.130.0030.06011.64
5.2.120.0100.03311.64
5.2.110.0070.04011.64
5.2.100.0000.06711.64
5.2.90.0130.04711.64
5.2.80.0070.05011.64
5.2.70.0070.03011.64
5.2.60.0030.06011.64
5.2.50.0130.03711.64
5.2.40.0070.05711.64
5.2.30.0030.04011.64
5.2.20.0000.06011.64
5.2.10.0130.03711.64
5.2.00.0070.03711.64
5.1.60.0030.04311.64
5.1.50.0030.05311.64
5.1.40.0030.03011.64
5.1.30.0030.04311.64
5.1.20.0070.02311.64
5.1.10.0030.02311.64
5.1.00.0000.04711.64
5.0.50.0030.04011.64
5.0.40.0070.04011.64
5.0.30.0030.03311.64
5.0.20.0030.02011.64
5.0.10.0030.03011.64
5.0.00.0030.03011.64
4.4.90.0030.01711.64
4.4.80.0070.02311.64
4.4.70.0000.01711.64
4.4.60.0000.02011.64
4.4.50.0030.03311.64
4.4.40.0000.03311.64
4.4.30.0070.03011.64
4.4.20.0030.02311.64
4.4.10.0000.02011.64
4.4.00.0000.05011.64
4.3.110.0030.02011.64
4.3.100.0000.02311.64
4.3.90.0030.01711.64
4.3.80.0030.04011.64
4.3.70.0030.03311.64
4.3.60.0030.03311.64
4.3.50.0000.02011.64
4.3.40.0000.04711.64
4.3.30.0000.03311.64
4.3.20.0070.02011.64
4.3.10.0000.03711.64
4.3.00.0000.01711.64

preferences:
37.35 ms | 401 KiB | 5 Q