3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo preg_replace_callback("#_([a-z])#",function($r){ return substr(strtoupper($r[0]),1); },'abc_def_ghj');

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)
8.3.60.0110.00618.43
8.3.50.0110.00718.29
8.3.40.0090.00618.89
8.3.30.0030.01019.27
8.3.20.0040.00420.21
8.3.10.0080.00023.61
8.3.00.0060.00319.38
8.2.180.0070.00716.75
8.2.170.0110.00422.96
8.2.160.0140.00020.39
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00422.35
8.2.110.0030.00620.57
8.2.100.0000.01218.22
8.2.90.0050.00319.23
8.2.80.0050.00317.97
8.2.70.0030.00617.75
8.2.60.0090.00318.04
8.2.50.0050.00318.07
8.2.40.0000.00819.95
8.2.30.0000.00818.24
8.2.20.0070.00017.83
8.2.10.0080.00018.03
8.2.00.0040.00417.91
8.1.270.0080.00024.05
8.1.260.0050.00226.35
8.1.250.0040.00428.09
8.1.240.0060.00323.83
8.1.230.0110.00019.04
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0100.00017.35
8.1.190.0000.00917.35
8.1.180.0080.00018.10
8.1.170.0000.00818.72
8.1.160.0040.00422.08
8.1.150.0040.00418.92
8.1.140.0030.00617.60
8.1.130.0000.00717.74
8.1.120.0000.00717.55
8.1.110.0040.00417.55
8.1.100.0050.00317.49
8.1.90.0000.00817.48
8.1.80.0000.00717.45
8.1.70.0090.00017.51
8.1.60.0030.00617.54
8.1.50.0030.00617.64
8.1.40.0040.00417.63
8.1.30.0030.00617.62
8.1.20.0030.00517.73
8.1.10.0060.00317.71
8.1.00.0000.00717.59
8.0.300.0040.00418.77
8.0.290.0040.00416.88
8.0.280.0070.00018.41
8.0.270.0000.00717.23
8.0.260.0000.00817.34
8.0.250.0000.00816.98
8.0.240.0050.00316.95
8.0.230.0040.00416.94
8.0.220.0070.00016.97
8.0.210.0000.00716.80
8.0.200.0030.00317.06
8.0.190.0040.00417.09
8.0.180.0000.00717.04
8.0.170.0040.00417.02
8.0.160.0070.00016.91
8.0.150.0000.00716.82
8.0.140.0000.00817.00
8.0.130.0060.00013.45
8.0.120.0050.00316.93
8.0.110.0050.00216.97
8.0.100.0050.00216.82
8.0.90.0040.00417.05
8.0.80.0100.00716.98
8.0.70.0030.00517.05
8.0.60.0000.00716.94
8.0.50.0050.00316.78
8.0.30.0170.00817.39
8.0.20.0110.00817.40
8.0.10.0000.00817.18
8.0.00.0060.01116.93
7.4.330.0030.00315.00
7.4.320.0000.00616.77
7.4.300.0030.00316.66
7.4.290.0000.00716.77
7.4.280.0050.00516.82
7.4.270.0000.00616.77
7.4.260.0030.00316.78
7.4.250.0040.00416.63
7.4.240.0020.00516.66
7.4.230.0000.00816.83
7.4.220.0120.00616.78
7.4.210.0090.00616.88
7.4.200.0070.00016.75
7.4.160.0060.01116.46
7.4.150.0070.01117.40
7.4.140.0070.01217.86
7.4.130.0090.00816.63
7.4.120.0100.00716.70
7.4.110.0030.01616.54
7.4.100.0090.00916.60
7.4.90.0090.00816.75
7.4.80.0120.00619.39
7.4.70.0070.01016.69
7.4.60.0150.00616.69
7.4.50.0040.00416.55
7.4.40.0140.00716.50
7.4.30.0040.01216.48
7.4.00.0120.00315.13
7.3.330.0030.00313.24
7.3.320.0020.00213.44
7.3.310.0000.00716.36
7.3.300.0030.00316.47
7.3.290.0000.01416.45
7.3.280.0090.00916.38
7.3.270.0180.00617.40
7.3.260.0090.00816.53
7.3.250.0050.01116.54
7.3.240.0100.00716.81
7.3.230.0000.01716.85
7.3.210.0070.01016.70
7.3.200.0110.01119.39
7.3.190.0090.00916.86
7.3.180.0040.01116.63
7.3.170.0040.01116.61
7.3.160.0090.00616.78
7.2.330.0070.01316.78
7.2.320.0030.01516.66
7.2.310.0060.01016.61
7.2.300.0090.00916.71
7.2.290.0090.01916.94
7.1.70.0030.00617.41
7.1.60.0030.01017.50
7.1.50.0060.00617.17
7.1.40.0040.00816.78
7.1.30.0000.01216.74
7.1.20.0060.00917.18
7.1.10.0030.00616.72
7.1.00.0080.00416.74
7.0.200.0050.00316.59
7.0.190.0000.00716.89
7.0.180.0060.00616.46
7.0.170.0030.01016.20
7.0.160.0060.00616.30
7.0.150.0040.00416.21
7.0.140.0030.01516.61
7.0.130.0060.00316.79
7.0.120.0000.01116.68
7.0.110.0030.00616.70
7.0.100.0000.00916.57
7.0.90.0060.00616.47
7.0.80.0050.00516.58
7.0.70.0000.00716.47
7.0.60.0040.00716.49
7.0.50.0040.00416.51
7.0.40.0040.00815.23
7.0.30.0040.00415.23
7.0.20.0030.00615.23
7.0.10.0070.00315.23
7.0.00.0070.00415.23
5.6.300.0130.03320.95
5.6.290.0160.06820.68
5.6.280.0030.04120.98
5.6.270.0000.04920.91
5.6.260.0000.05220.82
5.6.250.0130.03220.87
5.6.240.0100.04420.87
5.6.230.0060.06420.89
5.6.220.0000.04520.86
5.6.210.0030.05421.05
5.6.200.0030.05121.05
5.6.190.0000.05020.94
5.6.180.0070.03620.97
5.6.170.0070.03920.87
5.6.160.0000.04420.78
5.6.150.0030.04721.05
5.6.140.0130.03320.76
5.6.130.0030.04120.86
5.6.120.0090.04021.03
5.6.110.0000.05020.92
5.6.100.0030.04320.75
5.6.90.0000.04421.02
5.6.80.0000.04220.38
5.6.70.0000.04520.32
5.6.60.0030.04320.30
5.6.50.0040.03920.14
5.6.40.0000.04320.21
5.6.30.0030.04120.23
5.6.20.0030.04120.32
5.6.10.0030.06520.26
5.6.00.0100.06720.16
5.5.380.0000.04317.54
5.5.370.0070.03717.46
5.5.360.0030.07117.56
5.5.350.0100.03617.66
5.5.340.0210.04418.10
5.5.330.0040.04218.04
5.5.320.0030.04917.75
5.5.310.0070.04118.11
5.5.300.0060.03718.09
5.5.290.0070.03717.84
5.5.280.0070.04118.06
5.5.270.0030.04218.02
5.5.260.0000.04317.74
5.5.250.0000.04717.85
5.5.240.0070.03317.25
5.5.230.0000.04017.44
5.5.220.0030.04217.24
5.5.210.0000.04217.38
5.5.200.0000.04317.06
5.5.190.0040.03717.44
5.5.180.0060.03517.21
5.5.160.0030.04117.43
5.5.150.0070.03617.21
5.5.140.0030.04817.52
5.5.130.0030.04117.43
5.5.120.0030.07917.43
5.5.110.0060.04917.20
5.5.100.0030.07317.12
5.5.90.0000.04417.26
5.5.80.0030.03917.25
5.5.70.0000.04417.31
5.5.60.0030.04516.98
5.5.50.0000.04917.30
5.5.40.0140.03417.24
5.5.30.0000.04317.33
5.5.20.0000.04317.24
5.5.10.0000.04617.08
5.5.00.0070.04017.32
5.4.450.0030.04319.57
5.4.440.0060.04019.45
5.4.430.0030.04919.48
5.4.420.0030.03819.21
5.4.410.0060.04219.27
5.4.400.0060.03719.08
5.4.390.0070.03418.98
5.4.380.0000.05419.03
5.4.370.0000.04119.07
5.4.360.0060.03819.15
5.4.350.0100.05918.98
5.4.340.0030.03819.17
5.4.320.0030.03819.09
5.4.310.0000.04418.93
5.4.300.0030.04619.04
5.4.290.0030.06319.14
5.4.280.0070.06518.91
5.4.270.0070.04918.98
5.4.260.0000.04118.89
5.4.250.0070.03719.07
5.4.240.0000.05918.97
5.4.230.0030.05719.08
5.4.220.0030.07719.16
5.4.210.0030.06919.11
5.4.200.0030.04019.07
5.4.190.0030.04219.22
5.4.180.0100.03519.11
5.4.170.0030.03719.13
5.4.160.0040.04619.05
5.4.150.0030.04119.05
5.4.140.0100.03316.68
5.4.130.0000.04116.70
5.4.120.0030.03316.65
5.4.110.0000.04116.37
5.4.100.0030.04216.48
5.4.90.0000.06316.49
5.4.80.0000.04116.69
5.4.70.0030.03416.63
5.4.60.0030.04316.73
5.4.50.0030.03816.60
5.4.40.0000.04116.45
5.4.30.0000.06716.61
5.4.20.0030.04416.71
5.4.10.0070.06816.45
5.4.00.0100.07415.88
5.3.290.0000.04515.23
5.3.280.0100.07815.23
5.3.270.0030.03715.23
5.3.260.0070.03415.23
5.3.250.0030.03515.23
5.3.240.0000.03815.23
5.3.230.0030.06415.23
5.3.220.0070.03615.23
5.3.210.0030.03815.23
5.3.200.0100.07015.23
5.3.190.0000.08915.23
5.3.180.0000.03915.23
5.3.170.0070.06415.23
5.3.160.0000.04315.23
5.3.150.0100.03115.23
5.3.140.0090.03315.23
5.3.130.0030.04415.23
5.3.120.0040.06815.23
5.3.110.0000.05015.23
5.3.100.0030.05915.23
5.3.90.0100.05715.23
5.3.80.0070.03615.23
5.3.70.0030.03815.23
5.3.60.0060.03215.23
5.3.50.0100.03015.23
5.3.40.0000.04015.23
5.3.30.0090.03015.23
5.3.20.0030.03415.23
5.3.10.0000.07115.23
5.3.00.0070.03615.23
5.2.170.0000.03215.23
5.2.160.0040.02815.23
5.2.150.0030.02915.23
5.2.140.0040.03515.23
5.2.130.0030.05515.23
5.2.120.0030.05615.23
5.2.110.0070.03315.23
5.2.100.0000.03415.23
5.2.90.0040.03015.23
5.2.80.0000.03315.23
5.2.70.0030.03815.23
5.2.60.0060.02615.23
5.2.50.0070.02415.23
5.2.40.0040.02915.23
5.2.30.0000.03515.23
5.2.20.0000.03515.23
5.2.10.0030.05815.23
5.2.00.0000.05015.23
5.1.60.0000.03215.23
5.1.50.0070.03715.23
5.1.40.0000.02615.23
5.1.30.0000.03015.23
5.1.20.0000.03015.23
5.1.10.0060.02315.23
5.1.00.0030.02715.23
5.0.50.0040.04015.23
5.0.40.0080.01415.23
5.0.30.0070.02615.23
5.0.20.0030.01915.23
5.0.10.0060.01515.23
5.0.00.0000.03215.23
4.4.90.0040.01515.23
4.4.80.0000.01715.23
4.4.70.0000.02715.23
4.4.60.0000.01915.23
4.4.50.0000.03715.23
4.4.40.0030.03115.23
4.4.30.0030.01415.23
4.4.20.0000.01715.23
4.4.10.0070.02515.23
4.4.00.0070.03615.23
4.3.110.0000.01715.23
4.3.100.0030.01315.23
4.3.90.0000.01615.23
4.3.80.0000.03015.23
4.3.70.0060.01515.23
4.3.60.0030.03415.23
4.3.50.0030.01515.23
4.3.40.0030.03515.23
4.3.30.0040.02515.23
4.3.20.0000.01815.23
4.3.10.0000.01915.23
4.3.00.0030.01515.23

preferences:
59.08 ms | 404 KiB | 6 Q