3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo preg_replace_callback('/(_[a-z])/', function($u) { return str_replace('', '_', strtoupper($u)); } , '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)
8.3.40.0070.00718.88
8.3.30.0100.00320.35
8.3.20.0050.00320.39
8.3.10.0030.00521.09
8.3.00.0040.00422.45
8.2.170.0070.00722.96
8.2.160.0090.00922.43
8.2.150.0000.00824.18
8.2.140.0000.00824.66
8.2.130.0000.00826.16
8.2.120.0000.00820.79
8.2.110.0060.00321.11
8.2.100.0000.01117.91
8.2.90.0040.00419.23
8.2.80.0030.00517.97
8.2.70.0000.00917.88
8.2.60.0090.00017.91
8.2.50.0050.00318.07
8.2.40.0000.00818.15
8.2.30.0050.00219.35
8.2.20.0040.00417.89
8.2.10.0040.00417.95
8.2.00.0000.00817.96
8.1.270.0000.00823.99
8.1.260.0040.00426.35
8.1.250.0060.00328.09
8.1.240.0030.00621.15
8.1.230.0000.01217.45
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0050.00517.35
8.1.190.0040.00417.23
8.1.180.0030.00618.10
8.1.170.0080.00018.62
8.1.160.0050.00218.88
8.1.150.0000.00718.62
8.1.140.0040.00417.61
8.1.130.0030.00317.68
8.1.120.0070.00017.54
8.1.110.0000.00717.59
8.1.100.0050.00217.53
8.1.90.0040.00417.62
8.1.80.0040.00417.49
8.1.70.0030.00317.45
8.1.60.0030.00517.70
8.1.50.0030.00617.61
8.1.40.0000.00817.61
8.1.30.0040.00417.72
8.1.20.0000.00917.75
8.1.10.0050.00317.75
8.1.00.0030.00617.58
8.0.300.0040.00418.77
8.0.290.0000.00917.00
8.0.280.0000.00818.41
8.0.270.0000.00717.25
8.0.260.0030.00316.86
8.0.250.0070.00017.16
8.0.240.0030.00617.06
8.0.230.0000.00717.05
8.0.220.0000.00816.97
8.0.210.0030.00317.05
8.0.200.0070.00017.15
8.0.190.0080.00017.19
8.0.180.0040.00417.16
8.0.170.0030.00617.16
8.0.160.0000.00717.13
8.0.150.0040.00417.09
8.0.140.0000.00917.09
8.0.130.0060.00013.51
8.0.120.0050.00317.03
8.0.110.0030.00617.01
8.0.100.0080.00017.06
8.0.90.0030.00516.98
8.0.80.0110.00417.15
8.0.70.0030.00517.09
8.0.60.0030.00517.16
8.0.50.0050.00217.03
8.0.30.0100.00917.28
8.0.20.0130.00617.40
8.0.10.0040.00417.03
8.0.00.0080.01417.01
7.4.330.0030.00316.80
7.4.320.0060.00016.75
7.4.300.0070.00016.61
7.4.290.0000.00716.65
7.4.280.0000.00716.74
7.4.270.0000.00716.76
7.4.260.0000.00913.41
7.4.250.0050.00316.78
7.4.240.0030.00316.62
7.4.230.0040.00316.76
7.4.220.0130.00616.68
7.4.210.0080.00916.70
7.4.200.0030.00316.50
7.4.190.0000.00716.73
7.4.160.0150.00016.64
7.4.150.0070.01417.40
7.4.140.0130.01017.86
7.4.130.0140.00516.80
7.4.120.0100.00816.81
7.4.110.0120.00616.80
7.4.100.0140.00316.60
7.4.90.0090.00916.56
7.4.80.0070.01519.39
7.4.70.0070.01016.69
7.4.60.0070.01116.59
7.4.50.0040.00416.39
7.4.40.0120.00322.77
7.4.30.0090.00916.64
7.4.00.0100.00615.01
7.3.330.0050.00013.45
7.3.320.0040.00413.26
7.3.310.0030.00316.36
7.3.300.0000.00916.40
7.3.290.0030.01116.46
7.3.280.0100.00816.45
7.3.270.0070.01017.40
7.3.260.0130.01218.24
7.3.250.0080.01016.65
7.3.240.0130.00916.60
7.3.230.0130.00616.39
7.3.210.0130.00316.55
7.3.200.0070.01019.39
7.3.190.0030.01316.54
7.3.180.0060.00916.34
7.3.170.0060.01616.70
7.3.160.0080.00816.47
7.3.120.0070.00715.22
7.3.110.0040.01514.96
7.3.100.0100.00714.84
7.3.90.0060.00614.89
7.3.80.0110.00414.98
7.3.70.0080.00415.02
7.3.60.0000.01414.93
7.3.50.0110.00414.73
7.3.40.0030.00914.92
7.3.30.0030.01315.06
7.3.20.0090.00916.88
7.3.10.0070.00716.58
7.3.00.0060.00616.86
7.2.330.0100.01016.72
7.2.320.0150.00616.70
7.2.310.0100.01016.59
7.2.300.0060.01216.66
7.2.290.0100.00716.79
7.2.240.0070.01315.30
7.2.230.0060.00915.23
7.2.220.0120.00614.86
7.2.210.0100.01015.14
7.2.200.0090.00315.09
7.2.190.0000.01414.82
7.2.180.0030.01115.16
7.2.170.0140.00415.09
7.2.160.0090.00315.13
7.2.150.0090.00617.20
7.2.140.0100.00716.61
7.2.130.0070.00317.00
7.2.120.0060.00917.00
7.2.110.0070.01016.99
7.2.100.0030.01217.00
7.2.90.0070.01116.89
7.2.80.0170.00016.90
7.2.70.0060.00917.17
7.2.60.0070.00416.85
7.2.50.0100.00316.89
7.2.40.0130.00017.08
7.2.30.0080.00816.99
7.2.20.0030.01416.97
7.2.10.0030.01317.04
7.2.00.0050.01018.43
7.1.330.0100.00715.84
7.1.320.0040.01215.92
7.1.310.0060.00915.74
7.1.300.0060.00915.96
7.1.290.0060.00315.94
7.1.280.0000.01315.90
7.1.270.0000.01215.92
7.1.260.0000.01515.68
7.1.250.0030.01015.70
7.1.100.0060.00618.43
7.1.70.0060.00617.31
7.1.60.0140.01119.17
7.1.50.0070.01317.04
7.1.00.0070.06322.53
7.0.200.0030.00517.02
7.0.140.0100.07022.09
7.0.100.0070.07020.00
7.0.90.0070.04019.95
7.0.80.0270.07019.96
7.0.70.0200.05019.89
7.0.60.0100.08019.97
7.0.50.0100.07720.27
7.0.40.0100.09020.11
7.0.30.0130.08320.15
7.0.20.0130.08720.13
7.0.10.0130.07320.04
7.0.00.0030.07719.99
5.6.280.0030.07320.95
5.6.250.0030.04320.64
5.6.240.0030.04020.76
5.6.230.0130.06020.60
5.6.220.0070.04020.56
5.6.210.0100.07720.56
5.6.200.0100.05721.02
5.6.190.0070.08321.04
5.6.180.0070.06321.05
5.6.170.0030.08021.05
5.6.160.0130.04321.02
5.6.150.0170.05720.95
5.6.140.0070.08721.09
5.6.130.0070.07321.08
5.6.120.0200.03721.06
5.6.110.0070.08021.03
5.6.100.0100.07320.95
5.6.90.0130.04021.15
5.6.80.0100.07320.55
5.6.70.0130.04020.43
5.6.60.0130.06720.33
5.6.50.0070.07320.32
5.6.40.0130.07020.43
5.6.30.0170.05720.47
5.6.20.0130.06720.40
5.6.10.0100.07720.40
5.6.00.0070.07320.45
5.5.380.0070.03720.39
5.5.370.0100.03320.43
5.5.360.0170.07020.55
5.5.350.0030.08720.43
5.5.340.0030.08020.69
5.5.330.0030.09020.80
5.5.320.0130.06020.89
5.5.310.0100.06720.90
5.5.300.0000.05720.80
5.5.290.0070.08320.86
5.5.280.0170.08320.83
5.5.270.0070.07720.91
5.5.260.0100.07720.88
5.5.250.0100.06720.68
5.5.240.0070.06020.16
5.5.230.0000.05020.28
5.5.220.0100.06320.27
5.5.210.0030.07720.26
5.5.200.0100.06320.19
5.5.190.0030.09020.08
5.5.180.0000.04320.25
5.5.160.0100.03719.99
5.5.150.0130.04020.13
5.5.140.0070.06320.23
5.5.130.0130.07020.14
5.5.120.0070.06320.23
5.5.110.0170.04020.20
5.5.100.0100.06020.12
5.5.90.0100.07020.14
5.5.80.0030.06720.05
5.5.70.0130.07020.05
5.5.60.0070.06020.16
5.5.50.0100.07720.06
5.5.40.0030.05720.06
5.5.30.0200.06020.11
5.5.20.0000.05320.15
5.5.10.0100.05720.04
5.5.00.0070.07719.97
5.4.450.0130.05719.45
5.4.440.0100.07319.43
5.4.430.0100.04719.48
5.4.420.0000.05019.27
5.4.410.0100.04019.40
5.4.400.0070.03719.23
5.4.390.0100.07719.08
5.4.380.0100.09319.02
5.4.370.0000.07318.84
5.4.360.0230.03319.16
5.4.350.0030.07718.95
5.4.340.0030.07719.03
5.4.320.0030.04719.18
5.4.310.0070.08019.04
5.4.300.0030.05019.05
5.4.290.0070.04019.14
5.4.280.0030.05019.16
5.4.270.0030.06019.03
5.4.260.0070.07719.12
5.4.250.0200.05719.13
5.4.240.0070.05019.04
5.4.230.0100.05019.13
5.4.220.0200.06019.08
5.4.210.0130.07019.04
5.4.200.0130.04318.84
5.4.190.0070.06319.19
5.4.180.0070.05019.15
5.4.170.0070.07319.24
5.4.160.0100.04319.08
5.4.150.0100.04019.18
5.4.140.0130.07316.44
5.4.130.0070.03716.41
5.4.120.0100.07716.49
5.4.110.0100.03716.49
5.4.100.0030.04316.32
5.4.90.0000.08016.39
5.4.80.0130.06716.39
5.4.70.0030.07316.25
5.4.60.0030.07716.34
5.4.50.0100.07016.31
5.4.40.0070.07316.36
5.4.30.0070.07316.33
5.4.20.0130.07016.39
5.4.10.0000.07716.31
5.4.00.0030.05715.90
5.3.290.0000.06714.58
5.3.280.0130.07014.64
5.3.270.0000.07314.57
5.3.260.0030.08014.75
5.3.250.0100.05714.71
5.3.240.0070.06714.72
5.3.230.0070.05014.63
5.3.220.0030.05014.51
5.3.210.0030.04314.68
5.3.200.0070.04714.67
5.3.190.0030.04314.62
5.3.180.0070.04314.51
5.3.170.0100.06714.62
5.3.160.0100.04014.56
5.3.150.0070.06314.57
5.3.140.0170.06714.47
5.3.130.0030.08714.60
5.3.120.0070.03714.66
5.3.110.0070.07014.48
5.3.100.0030.07314.16
5.3.90.0030.04014.01
5.3.80.0100.06014.13
5.3.70.0130.06713.94
5.3.60.0130.03314.04
5.3.50.0000.08013.88
5.3.40.0000.04713.93
5.3.30.0100.04313.79
5.3.20.0070.04013.73
5.3.10.0070.04713.64
5.3.00.0000.04713.55
5.2.170.0070.05312.09
5.2.160.0030.04712.09
5.2.150.0030.05712.09
5.2.140.0070.06012.09
5.2.130.0070.05712.09
5.2.120.0070.05312.09
5.2.110.0030.05012.09
5.2.100.0030.06312.09
5.2.90.0130.05312.09
5.2.80.0030.06312.09
5.2.70.0000.03712.09
5.2.60.0100.03712.09
5.2.50.0070.06012.09
5.2.40.0070.03712.09
5.2.30.0130.05012.09
5.2.20.0070.06312.09
5.2.10.0030.05012.09
5.2.00.0100.05712.09
5.1.60.0000.03712.09
5.1.50.0070.04712.09
5.1.40.0100.03012.09
5.1.30.0000.04312.09
5.1.20.0030.06012.09
5.1.10.0070.05012.09
5.1.00.0030.03012.09
5.0.50.0070.04312.09
5.0.40.0000.04712.09
5.0.30.0030.05012.09
5.0.20.0030.03712.09
5.0.10.0030.04012.09
5.0.00.0000.04012.09
4.4.90.0000.02012.09
4.4.80.0000.02012.09
4.4.70.0000.02012.09
4.4.60.0070.02312.09
4.4.50.0100.02312.09
4.4.40.0030.05012.09
4.4.30.0070.02712.09
4.4.20.0000.03312.09
4.4.10.0100.02312.09
4.4.00.0070.02312.09
4.3.110.0070.03012.09
4.3.100.0000.03712.09
4.3.90.0030.02712.09
4.3.80.0070.05012.09
4.3.70.0000.03312.09
4.3.60.0000.03712.09
4.3.50.0070.03012.09
4.3.40.0030.04712.09
4.3.30.0030.03312.09
4.3.20.0000.03712.09
4.3.10.0070.03012.09
4.3.00.0000.03312.09

preferences:
42.64 ms | 400 KiB | 5 Q