3v4l.org

run code in 300+ PHP versions simultaneously
<?php /*echo preg_replace_callback('/([a-z]+)(_[a-z]+)/', function($u) { var_dump($u); return ucwords(str_replace('_', '', $u[1])); } , 'rob_tr_yuui'); */ echo preg_replace('/([a-z])(_[a-z])/', '$1.$2', 'rob_tr_yuui');

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)
8.3.60.0120.00316.75
8.3.50.0090.00721.96
8.3.40.0060.00918.98
8.3.30.0100.00319.12
8.3.20.0040.00420.00
8.3.10.0040.00423.38
8.3.00.0080.00019.23
8.2.180.0070.00716.50
8.2.170.0070.00722.96
8.2.160.0080.01120.52
8.2.150.0070.00024.18
8.2.140.0030.00524.66
8.2.130.0040.00426.16
8.2.120.0040.00422.40
8.2.110.0160.00022.30
8.2.100.0080.00417.84
8.2.90.0040.00419.17
8.2.80.0050.00317.97
8.2.70.0030.00717.75
8.2.60.0040.00417.80
8.2.50.0030.00618.07
8.2.40.0000.00819.88
8.2.30.0090.00019.82
8.2.20.0080.00017.64
8.2.10.0060.00317.87
8.2.00.0090.00017.70
8.1.280.0090.00625.92
8.1.270.0030.00623.92
8.1.260.0080.00026.35
8.1.250.0050.00228.09
8.1.240.0070.00323.89
8.1.230.0030.00819.09
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0070.00317.35
8.1.190.0080.00017.25
8.1.180.0030.00718.10
8.1.170.0000.00818.61
8.1.160.0040.00421.96
8.1.150.0000.00718.65
8.1.140.0040.00417.38
8.1.130.0070.00017.69
8.1.120.0050.00217.39
8.1.110.0000.00717.44
8.1.100.0040.00417.38
8.1.90.0060.00317.46
8.1.80.0000.00717.45
8.1.70.0000.00817.37
8.1.60.0070.00617.56
8.1.50.0030.00617.57
8.1.40.0060.00317.61
8.1.30.0000.00817.45
8.1.20.0080.00017.68
8.1.10.0050.00317.46
8.1.00.0030.00617.59
8.0.300.0060.00318.93
8.0.290.0050.00317.05
8.0.280.0000.00718.44
8.0.270.0030.00317.21
8.0.260.0050.00317.21
8.0.250.0050.00317.02
8.0.240.0210.00017.00
8.0.230.0040.00317.00
8.0.220.0000.00716.93
8.0.210.0030.00516.77
8.0.200.0060.00016.98
8.0.190.0070.00016.93
8.0.180.0030.00616.89
8.0.170.0000.00816.79
8.0.160.0000.00816.95
8.0.150.0030.00316.80
8.0.140.0040.00416.88
8.0.130.0050.00013.29
8.0.120.0000.00816.76
8.0.110.0000.00716.81
8.0.100.0000.00716.75
8.0.90.0000.00716.95
8.0.80.0000.01516.79
8.0.70.0000.00816.77
8.0.60.0000.00916.84
8.0.50.0040.00416.84
8.0.30.0100.01217.21
8.0.20.0060.01217.40
8.0.10.0000.00816.90
8.0.00.0070.01116.69
7.4.330.0060.00015.00
7.4.320.0000.00716.68
7.4.300.0060.00316.50
7.4.290.0040.00416.50
7.4.280.0040.00416.58
7.4.270.0070.00016.57
7.4.260.0000.00716.63
7.4.250.0070.00016.63
7.4.240.0050.00216.66
7.4.230.0000.00816.38
7.4.220.0060.01316.75
7.4.210.0060.00816.56
7.4.200.0040.00416.38
7.4.190.0000.00716.52
7.4.160.0060.01016.63
7.4.150.0140.00617.40
7.4.140.0110.00717.86
7.4.130.0100.00916.56
7.4.120.0100.00716.63
7.4.110.0060.01316.34
7.4.100.0070.01016.69
7.4.90.0090.00916.62
7.4.80.0040.01719.39
7.4.70.0100.00716.64
7.4.60.0170.00016.64
7.4.50.0040.00416.54
7.4.40.0060.01016.71
7.4.30.0080.00916.46
7.4.00.0040.01115.25
7.3.330.0060.00013.14
7.3.320.0050.00013.20
7.3.310.0040.00416.37
7.3.300.0000.00716.29
7.3.290.0120.00316.31
7.3.280.0130.00616.33
7.3.270.0060.01317.40
7.3.260.0100.00716.50
7.3.250.0070.01116.39
7.3.240.0080.00816.73
7.3.230.0110.00616.55
7.3.210.0090.00916.27
7.3.200.0150.00819.39
7.3.190.0110.01116.63
7.3.180.0070.01416.11
7.3.170.0180.00016.65
7.3.160.0090.00916.17
7.3.120.0070.01015.13
7.2.330.0090.01516.57
7.2.320.0070.01416.67
7.2.310.0120.00616.54
7.2.300.0110.00616.56
7.2.290.0140.00316.53
7.2.00.0060.00919.61
7.1.200.0050.01015.72
7.1.100.0140.00718.13
7.1.70.0000.00817.02
7.1.60.0030.00817.03
7.1.50.0130.01016.64
7.1.00.0000.08022.38
7.0.200.0000.01216.83
7.0.140.0070.07021.95
7.0.70.0070.07019.89
7.0.60.0100.08019.96
7.0.50.0070.09020.34
7.0.40.0130.07320.05
7.0.30.0070.06720.01
7.0.20.0070.06720.11
7.0.10.0070.08720.03
7.0.00.0030.09020.02
5.6.280.0100.06320.80
5.6.220.0000.07720.55
5.6.210.0000.07320.58
5.6.200.0000.09021.02
5.6.190.0030.05720.94
5.6.180.0030.08321.10
5.6.170.0100.08321.13
5.6.160.0100.04721.02
5.6.150.0000.04721.00
5.6.140.0100.07020.93
5.6.130.0070.04321.12
5.6.120.0070.08021.16
5.6.110.0030.08321.03
5.6.100.0100.08321.15
5.6.90.0100.08320.94
5.6.80.0030.08720.45
5.6.70.0000.06320.45
5.6.60.0070.08020.31
5.6.50.0100.08720.48
5.6.40.0100.05020.31
5.6.30.0130.07320.46
5.6.20.0100.08020.29
5.6.10.0070.07020.43
5.6.00.0170.06720.34
5.5.360.0070.08320.40
5.5.350.0100.08020.33
5.5.340.0030.06720.82
5.5.330.0230.04720.79
5.5.320.0070.06020.79
5.5.310.0100.08320.89
5.5.300.0100.07320.79
5.5.290.0030.06720.76
5.5.280.0030.05720.89
5.5.270.0070.09020.85
5.5.260.0100.08720.88
5.5.250.0070.04020.69
5.5.240.0130.07720.18
5.5.230.0200.05720.26
5.5.220.0070.08720.21
5.5.210.0070.08020.20
5.5.200.0070.07020.20
5.5.190.0030.09020.12
5.5.180.0100.08320.18
5.5.160.0100.08020.23
5.5.150.0100.08020.21
5.5.140.0030.07720.11
5.5.130.0130.05020.07
5.5.120.0070.05020.17
5.5.110.0000.07020.11
5.5.100.0030.04020.07
5.5.90.0130.07020.14
5.5.80.0030.08319.95
5.5.70.0170.07720.09
5.5.60.0170.07020.09
5.5.50.0130.08020.15
5.5.40.0200.07020.02
5.5.30.0070.06020.09
5.5.20.0130.07720.14
5.5.10.0170.06319.97
5.5.00.0000.05320.10
5.4.450.0030.07719.45
5.4.440.0170.07719.42
5.4.430.0000.07319.39
5.4.420.0170.07019.33
5.4.410.0130.07319.30
5.4.400.0030.06018.97
5.4.390.0100.07319.03
5.4.380.0130.07718.79
5.4.370.0070.07019.05
5.4.360.0100.07319.04
5.4.350.0070.07018.79
5.4.340.0070.07319.14
5.4.320.0070.05718.80
5.4.310.0030.03719.09
5.4.300.0000.08019.00
5.4.290.0070.04318.96
5.4.280.0100.06719.07
5.4.270.0000.08018.98
5.4.260.0130.07018.99
5.4.250.0070.06719.06
5.4.240.0030.08719.11
5.4.230.0070.07719.06
5.4.220.0070.05318.80
5.4.210.0070.07318.77
5.4.200.0070.07018.94
5.4.190.0030.08719.21
5.4.180.0070.08319.11
5.4.170.0030.06019.04
5.4.160.0130.07719.12
5.4.150.0100.07719.00
5.4.140.0100.07016.36
5.4.130.0070.06716.27
5.4.120.0000.04716.28
5.4.110.0070.08016.31
5.4.100.0070.08016.26
5.4.90.0070.07316.23
5.4.80.0100.04316.21
5.4.70.0100.07316.41
5.4.60.0070.04716.38
5.4.50.0000.07316.18
5.4.40.0070.05716.25
5.4.30.0100.06716.37
5.4.20.0100.04016.23
5.4.10.0030.05316.32
5.4.00.0070.05015.82
5.3.290.0070.03714.62
5.3.280.0030.06714.58
5.3.270.0100.08014.59
5.3.260.0030.05714.59
5.3.250.0100.06714.46
5.3.240.0100.05714.51
5.3.230.0030.08014.55
5.3.220.0100.07714.51
5.3.210.0030.05314.51
5.3.200.0070.05714.41
5.3.190.0070.07314.55
5.3.180.0030.07714.56
5.3.170.0100.05314.55
5.3.160.0230.06314.39
5.3.150.0030.07714.54
5.3.140.0000.08314.55
5.3.130.0070.08014.40
5.3.120.0100.07314.39
5.3.110.0000.04714.50
5.3.100.0070.05014.00
5.3.90.0030.08013.87
5.3.80.0070.07013.78
5.3.70.0130.07013.78
5.3.60.0070.04313.95
5.3.50.0000.05013.93
5.3.40.0030.08013.92
5.3.30.0070.07013.76
5.3.20.0030.06013.63
5.3.10.0030.05713.64
5.3.00.0030.05713.41
5.2.170.0100.03312.19
5.2.160.0070.05312.19
5.2.150.0000.06712.19
5.2.140.0070.05712.19
5.2.130.0130.05712.19
5.2.120.0030.06312.19
5.2.110.0030.05012.19
5.2.100.0100.03712.19
5.2.90.0030.05012.19
5.2.80.0000.06312.19
5.2.70.0030.03712.19
5.2.60.0030.06712.19
5.2.50.0070.06012.19
5.2.40.0030.04312.19
5.2.30.0070.03012.19
5.2.20.0070.06312.19
5.2.10.0070.04012.19
5.2.00.0030.04312.19
5.1.60.0000.05712.19
5.1.50.0000.06012.19
5.1.40.0030.05312.19
5.1.30.0100.05312.19
5.1.20.0030.06012.19
5.1.10.0130.04712.19
5.1.00.0030.05312.19
5.0.50.0030.04712.19
5.0.40.0070.02712.19
5.0.30.0070.05712.19
5.0.20.0030.04712.19
5.0.10.0030.04712.19
5.0.00.0030.04012.19
4.4.90.0030.03312.19
4.4.80.0130.02712.19
4.4.70.0000.04012.19
4.4.60.0000.03312.19
4.4.50.0030.03012.19
4.4.40.0000.05712.19
4.4.30.0000.03712.19
4.4.20.0030.03312.19
4.4.10.0030.03012.19
4.4.00.0030.05312.19
4.3.110.0030.03712.19
4.3.100.0000.04012.19
4.3.90.0000.03712.19
4.3.80.0000.04312.19
4.3.70.0030.03312.19
4.3.60.0000.03012.19
4.3.50.0000.02712.19
4.3.40.0000.04712.19
4.3.30.0000.04012.19
4.3.20.0000.04012.19
4.3.10.0000.03712.19
4.3.00.0030.02312.19

preferences:
41.82 ms | 401 KiB | 5 Q