3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str="shailendra singh"; $ssstr1=strtoUpper($str); echo $str1; ?>

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)
8.3.40.0140.00018.75
8.3.30.0120.00318.92
8.3.20.0080.00020.28
8.3.10.0040.00423.53
8.3.00.0060.00319.25
8.2.170.0070.00722.96
8.2.160.0070.00720.35
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00020.90
8.2.110.0060.00320.38
8.2.100.0120.00018.03
8.2.90.0040.00419.05
8.2.80.0000.00817.97
8.2.70.0030.00617.63
8.2.60.0000.00917.93
8.2.50.0090.00018.07
8.2.40.0070.00417.98
8.2.30.0040.00418.08
8.2.20.0020.00517.73
8.2.10.0050.00317.98
8.2.00.0040.00417.75
8.1.270.0060.00323.79
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0030.00622.19
8.1.230.0110.00019.15
8.1.220.0000.00817.74
8.1.210.0060.00318.77
8.1.200.0000.01017.00
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0040.00418.52
8.1.160.0050.00221.93
8.1.150.0030.00618.73
8.1.140.0040.00417.29
8.1.130.0000.00717.87
8.1.120.0070.00317.45
8.1.110.0040.00417.39
8.1.100.0000.00717.38
8.1.90.0040.00417.45
8.1.80.0020.00517.27
8.1.70.0040.00417.36
8.1.60.0000.00917.51
8.1.50.0040.00417.51
8.1.40.0000.00817.30
8.1.30.0040.00417.53
8.1.20.0050.00317.58
8.1.10.0040.00417.52
8.1.00.0040.00417.29
8.0.300.0000.00718.77
8.0.290.0060.00316.88
8.0.280.0040.00418.43
8.0.270.0000.00817.22
8.0.260.0030.00317.18
8.0.250.0070.00017.02
8.0.240.0000.00816.94
8.0.230.0030.00316.80
8.0.220.0000.00716.92
8.0.210.0040.00416.90
8.0.200.0000.00716.86
8.0.190.0000.00716.85
8.0.180.0000.00716.82
8.0.170.0050.00316.91
8.0.160.0070.00017.00
8.0.150.0030.00316.84
8.0.140.0040.00416.71
8.0.130.0050.00013.26
8.0.120.0040.00416.85
8.0.110.0040.00416.92
8.0.100.0020.00516.91
8.0.90.0020.00516.78
8.0.80.0160.00416.84
8.0.70.0080.00016.79
8.0.60.0000.00816.77
8.0.50.0040.00416.76
8.0.30.0110.01017.10
8.0.20.0080.01217.40
8.0.10.0030.00416.81
8.0.00.0050.01216.68
7.4.330.0000.00515.01
7.4.320.0030.00316.52
7.4.300.0000.00716.49
7.4.290.0030.00316.45
7.4.280.0070.00016.40
7.4.270.0000.00816.42
7.4.260.0020.00516.55
7.4.250.0040.00416.48
7.4.240.0040.00316.46
7.4.230.0050.00316.27
7.4.220.0070.01116.32
7.4.210.0100.00316.32
7.4.200.0070.00016.59
7.4.160.0060.01016.52
7.4.150.0110.00717.40
7.4.140.0080.00817.86
7.4.130.0120.00416.51
7.4.120.0080.01016.49
7.4.110.0000.01716.39
7.4.100.0060.01216.27
7.4.90.0030.01316.54
7.4.80.0120.00619.39
7.4.70.0110.00716.43
7.4.60.0150.00616.35
7.4.50.0070.00016.40
7.4.40.0070.01016.43
7.4.30.0060.01016.63
7.4.00.0000.01614.88
7.3.330.0030.00312.98
7.3.320.0030.00312.98
7.3.310.0070.00016.21
7.3.300.0030.00316.19
7.3.290.0030.01216.17
7.3.280.0070.01016.25
7.3.270.0140.00317.40
7.3.260.0100.00716.49
7.3.250.0070.00916.49
7.3.240.0040.01416.55
7.3.230.0090.00916.48
7.3.210.0190.00316.31
7.3.200.0130.00619.39
7.3.190.0040.01216.60
7.3.180.0140.00316.45
7.3.170.0130.00916.48
7.3.160.0100.00616.36
7.2.330.0120.00616.24
7.2.320.0150.00916.56
7.2.310.0130.00316.66
7.2.300.0170.00016.26
7.2.290.0060.01116.47
7.2.60.0000.01516.87
7.2.00.0000.01119.43
7.1.200.0030.00915.59
7.1.100.0030.00918.07
7.1.70.0060.00317.02
7.1.60.0100.01019.46
7.1.50.0090.01316.95
7.1.00.0030.07722.31
7.0.200.0040.00416.79
7.0.140.0030.07022.13
7.0.60.0030.04719.85
7.0.50.0130.08017.81
7.0.40.0070.04320.05
7.0.30.0470.04320.16
7.0.20.0270.08720.16
7.0.10.0000.05720.13
7.0.00.0100.08020.16
5.6.280.0030.07320.90
5.6.210.0000.05020.66
5.6.200.0130.07318.23
5.6.190.0100.08320.46
5.6.180.3570.03320.73
5.6.170.0370.07320.49
5.6.160.0000.05020.38
5.6.150.0070.08018.11
5.6.140.0030.04018.23
5.6.130.0070.04018.11
5.6.120.0070.06320.83
5.6.110.0030.09021.05
5.6.100.0370.05020.97
5.6.90.0070.05321.00
5.6.80.0230.06020.37
5.5.350.0230.07020.38
5.5.340.0170.04717.91
5.5.330.0000.05720.37
5.5.320.0300.05020.20
5.5.310.0430.06720.33
5.5.300.0170.04017.98
5.5.290.0100.08317.93
5.5.280.0070.07720.97
5.5.270.0070.06320.74
5.5.260.0270.06320.87
5.5.250.0070.05720.54
5.5.240.0200.07320.25
5.4.450.0230.04019.42
5.4.440.0230.04719.21
5.4.430.0200.04719.09
5.4.420.0730.03719.24
5.4.410.0330.03719.28
5.4.400.0330.03719.09
5.4.390.0170.05018.77
5.4.380.0200.06318.61
5.4.370.0370.06718.68
5.4.360.0470.05318.54
5.4.350.0470.05018.62
5.4.340.0470.04318.50
5.4.320.0080.03812.46
5.4.310.0140.04012.45
5.4.300.0050.04112.45
5.4.290.0090.04012.45
5.4.280.0100.04112.35
5.4.270.0090.03512.34
5.4.260.0040.04812.34
5.4.250.0100.03512.35
5.4.240.0070.04312.35
5.4.230.0070.03612.34
5.4.220.0090.04112.34
5.4.210.0060.04112.34
5.4.200.0110.04212.34
5.4.190.0060.04212.34
5.4.180.0040.04812.33
5.4.170.0070.03912.34
5.4.160.0060.03912.34
5.4.150.0090.03612.34
5.4.140.0030.04012.02
5.4.130.0040.03812.01
5.4.120.0070.05211.96
5.4.110.0090.04111.96
5.4.100.0090.04211.96
5.4.90.0040.04411.96
5.4.80.0060.03711.96
5.4.70.0050.04111.96
5.4.60.0040.03611.96
5.4.50.0060.03311.96
5.4.40.0090.03811.95
5.4.30.0060.03511.95
5.4.20.0090.04011.95
5.4.10.0080.03411.95
5.4.00.0080.03611.43
5.3.290.0080.03612.80
5.3.280.0060.03712.71
5.3.270.0080.03812.72
5.3.260.0090.04412.72
5.3.250.0060.03812.72
5.3.240.0070.04012.72
5.3.230.0100.03812.70
5.3.220.0070.03712.68
5.3.210.0130.03812.68
5.3.200.0090.03312.68
5.3.190.0050.04212.68
5.3.180.0030.04112.68
5.3.170.0030.03912.67
5.3.160.0080.04212.67
5.3.150.0050.03712.68
5.3.140.0070.03412.66
5.3.130.0040.04012.66
5.3.120.0070.03612.66
5.3.110.0030.04112.66
5.3.100.0080.03412.12
5.3.90.0060.03512.08
5.3.80.0080.04712.07
5.3.70.0060.03612.07
5.3.60.0020.04012.07
5.3.50.0060.03512.00
5.3.40.0080.04012.00
5.3.30.0100.03311.94
5.3.20.0070.03711.72
5.3.10.0110.03311.69
5.3.00.0060.03511.68
5.2.170.0040.0309.18
5.2.160.0040.0309.18
5.2.150.0030.0319.18
5.2.140.0050.0309.17
5.2.130.0050.0329.13
5.2.120.0050.0369.13
5.2.110.0040.0299.14
5.2.100.0030.0309.14
5.2.90.0040.0299.13
5.2.80.0050.0349.13
5.2.70.0050.0389.13
5.2.60.0100.0319.09
5.2.50.0060.0349.05
5.2.40.0020.0349.03
5.2.30.0050.0329.01
5.2.20.0080.0339.00
5.2.10.0090.0258.92
5.2.00.0070.0298.77
5.1.60.0080.0288.06
5.1.50.0060.0258.06
5.1.40.0060.0288.04
5.1.30.0060.0358.39
5.1.20.0040.0348.41
5.1.10.0070.0338.14
5.1.00.0040.0328.14
5.0.50.0040.0226.61
5.0.40.0050.0196.47
5.0.30.0080.0286.28
5.0.20.0050.0186.26
5.0.10.0030.0226.23
5.0.00.0030.0326.23
4.4.90.0070.0124.78
4.4.80.0010.0184.75
4.4.70.0040.0224.75
4.4.60.0030.0224.75
4.4.50.0040.0214.77
4.4.40.0040.0304.71
4.4.30.0040.0204.76
4.4.20.0050.0154.84
4.4.10.0010.0184.85
4.4.00.0040.0294.75
4.3.110.0020.0174.67
4.3.100.0040.0174.67
4.3.90.0030.0244.63
4.3.80.0020.0294.58
4.3.70.0030.0254.63
4.3.60.0030.0224.62
4.3.50.0040.0224.63
4.3.40.0030.0304.54
4.3.30.0010.0233.28
4.3.20.0040.0243.26
4.3.10.0040.0213.21
4.3.00.0070.01718.41

preferences:
45.3 ms | 400 KiB | 5 Q