3v4l.org

run code in 300+ PHP versions simultaneously
<?php $v_iban = '123'; echo strtoupper($v_iban);

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)
8.3.60.0090.01218.43
8.3.50.0180.00521.08
8.3.40.0040.01118.59
8.3.30.0160.00620.21
8.3.20.0040.00420.22
8.3.10.0040.00421.95
8.3.00.0040.00422.39
8.2.180.0150.00016.75
8.2.170.0030.01022.96
8.2.160.0040.01522.26
8.2.150.0070.00024.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0080.00019.01
8.2.110.0060.00322.14
8.2.100.0030.00717.84
8.2.90.0000.00719.03
8.2.80.0000.00819.15
8.2.70.0040.00417.38
8.2.60.0000.00717.90
8.2.50.0040.00418.07
8.2.40.0080.00018.22
8.2.30.0040.00717.92
8.2.20.0000.00717.65
8.2.10.0000.00717.61
8.2.00.0000.00817.48
8.1.280.0100.00725.92
8.1.270.0070.00024.66
8.1.260.0030.00526.35
8.1.250.0050.00228.09
8.1.240.0040.00423.82
8.1.230.0040.00719.15
8.1.220.0040.00417.78
8.1.210.0040.00418.77
8.1.200.0120.00017.23
8.1.190.0040.00417.40
8.1.180.0080.00018.10
8.1.170.0000.00818.50
8.1.160.0030.00320.93
8.1.150.0040.00418.43
8.1.140.0000.00817.25
8.1.130.0030.00317.85
8.1.120.0000.00717.43
8.1.110.0000.00717.39
8.1.100.0070.00017.39
8.1.90.0040.00417.26
8.1.80.0030.00317.44
8.1.70.0040.00417.38
8.1.60.0030.00617.39
8.1.50.0040.00417.39
8.1.40.0050.00317.33
8.1.30.0060.00317.38
8.1.20.0000.00817.41
8.1.10.0030.00617.51
8.1.00.0000.00817.38
8.0.300.0040.00418.77
8.0.290.0040.00417.05
8.0.280.0040.00418.43
8.0.270.0040.00317.16
8.0.260.0000.00716.86
8.0.250.0050.00316.97
8.0.240.0000.01016.95
8.0.230.0000.00716.83
8.0.220.0000.00816.80
8.0.210.0040.00416.88
8.0.200.0050.00316.77
8.0.190.0030.00516.77
8.0.180.0000.00816.73
8.0.170.0040.00416.76
8.0.160.0030.00516.76
8.0.150.0030.00316.73
8.0.140.0030.00316.84
8.0.130.0060.00013.21
8.0.120.0040.00416.73
8.0.110.0000.00716.81
8.0.100.0070.00016.70
8.0.90.0000.00816.67
8.0.80.0070.00716.83
8.0.70.0050.00216.88
8.0.60.0040.00416.61
8.0.50.0070.00016.77
8.0.30.0140.00817.13
8.0.20.0120.00817.40
8.0.10.0000.00716.77
8.0.00.0100.01116.54
7.4.330.0000.00515.00
7.4.320.0000.00616.42
7.4.300.0060.00016.51
7.4.290.0030.00316.53
7.4.280.0030.00316.37
7.4.270.0000.00716.57
7.4.260.0000.00713.26
7.4.250.0000.00716.31
7.4.240.0030.00316.46
7.4.230.0030.00316.55
7.4.220.0070.01716.51
7.4.210.0080.00816.58
7.4.200.0030.00316.36
7.4.190.0070.00016.66
7.4.160.0200.00316.26
7.4.150.0100.00717.40
7.4.140.0090.01117.86
7.4.130.0050.01116.46
7.4.120.0100.00816.40
7.4.110.0150.00916.34
7.4.100.0060.01516.50
7.4.90.0120.00616.44
7.4.80.0080.01119.39
7.4.70.0110.00716.41
7.4.60.0030.01316.27
7.4.50.0000.00816.60
7.4.40.0070.00722.77
7.4.30.0130.00316.26
7.4.00.0060.00914.96
7.3.330.0000.00613.03
7.3.320.0000.00513.02
7.3.310.0030.00315.95
7.3.300.0020.00516.02
7.3.290.0110.00916.11
7.3.280.0050.01216.10
7.3.270.0070.01017.40
7.3.260.0130.01016.40
7.3.250.0100.00616.37
7.3.240.0060.01016.30
7.3.230.0120.00316.39
7.3.210.0040.01516.14
7.3.200.0070.01419.39
7.3.190.0040.01716.24
7.3.180.0080.00716.39
7.3.170.0110.00516.58
7.3.160.0080.00816.06
7.3.120.0000.01514.70
7.3.10.0060.00316.40
7.3.00.0030.00916.50
7.2.330.0060.01216.38
7.2.320.0060.01216.29
7.2.310.0120.00916.28
7.2.300.0130.00516.38
7.2.290.0120.00916.55
7.2.130.0000.01316.71
7.2.120.0080.00416.59
7.2.110.0030.01016.95
7.2.100.0060.00616.82
7.2.90.0100.00616.87
7.2.80.0070.00416.86
7.2.70.0040.00716.52
7.2.60.0100.00416.90
7.2.50.0030.00716.95
7.2.40.0030.01016.80
7.2.30.0090.00316.45
7.2.20.0040.01116.98
7.2.10.0080.00416.56
7.2.00.0030.01017.90
7.1.250.0080.00015.91
7.1.200.0060.00615.43
7.1.100.0000.01018.05
7.1.70.0000.01017.25
7.1.60.0100.01319.32
7.1.50.0030.01316.90
7.1.00.0070.04322.43
7.0.200.0170.01014.85
7.0.140.0000.07722.04
7.0.60.0070.08319.81
7.0.50.0070.05017.89
7.0.40.0070.05020.09
7.0.30.0270.05320.09
7.0.20.0170.05320.16
7.0.10.0200.05020.18
7.0.00.0070.06319.98
5.6.280.0100.06721.06
5.6.210.0100.06320.52
5.6.200.0000.04318.19
5.6.190.0070.05720.42
5.6.180.0270.05320.61
5.6.170.0230.03320.50
5.6.160.0070.08720.61
5.6.150.0170.07018.21
5.6.140.0070.05018.15
5.6.130.0100.05018.18
5.6.120.0030.04320.89
5.6.110.0100.05721.04
5.6.100.0030.04021.13
5.6.90.0130.08020.96
5.6.80.0130.07320.36
5.5.350.0070.04020.46
5.5.340.0070.04017.88
5.5.330.0070.05320.44
5.5.320.0330.05320.39
5.5.310.0300.04020.27
5.5.300.0030.04317.91
5.5.290.0130.07317.95
5.5.280.0100.06020.79
5.5.270.0100.08320.72
5.5.260.0070.08320.75
5.5.250.0070.03720.49
5.5.240.0030.03720.25
5.4.450.0330.07719.14
5.4.440.0270.07019.46
5.4.430.0300.05319.57
5.4.420.0300.07319.56
5.4.410.0270.05718.98
5.4.400.0300.06018.93
5.4.390.0270.05019.16
5.4.380.0330.05319.13
5.4.370.0270.04318.79
5.4.360.0300.05319.16
5.4.350.0230.05019.09
5.4.340.0400.05719.24
5.4.320.0370.06318.81
5.4.310.0230.04018.79
5.4.300.0370.04019.13
5.4.290.0270.07019.14
5.4.280.0230.05319.08
5.4.270.0330.04019.08
5.4.260.0370.06718.88
5.4.250.0230.05319.24
5.4.240.0400.06019.12
5.4.230.0270.04019.05
5.4.220.0230.05319.21
5.4.210.0330.07019.12
5.4.200.0370.06319.12
5.4.190.0370.06719.12
5.4.180.0270.04318.90
5.4.170.0430.05719.12
5.4.160.0300.04019.07
5.4.150.0300.07319.06
5.4.140.0330.05316.19
5.4.130.0300.03716.46
5.4.120.0330.06716.25
5.4.110.0330.05716.39
5.4.100.0330.05716.22
5.4.90.0330.06316.39
5.4.80.0400.04016.45
5.4.70.0270.05316.37
5.4.60.0230.03716.43
5.4.50.0370.06716.41
5.4.40.0270.06716.36
5.4.30.0270.03716.43
5.4.20.0400.05316.03
5.4.10.0400.05316.17
5.4.00.0370.05315.70
5.3.290.0270.07314.50
5.3.280.0300.05314.44
5.3.270.0270.04714.63
5.3.260.0170.05314.69
5.3.250.0300.06714.47
5.3.240.0270.04314.63
5.3.230.0230.03714.46
5.3.220.0400.05714.38
5.3.210.0230.04714.42
5.3.200.0300.06014.40
5.3.190.0330.03014.59
5.3.180.0300.07014.41
5.3.170.0370.06314.59
5.3.160.0200.04314.54
5.3.150.0370.07714.43
5.3.140.0300.04014.60
5.3.130.0270.05014.45
5.3.120.0330.04314.37
5.3.110.0370.06314.63
5.3.100.0300.07013.87
5.3.90.0330.05714.00
5.3.80.0300.06313.88
5.3.70.0230.05013.81
5.3.60.0270.04313.87
5.3.50.0370.06713.86
5.3.40.0330.04313.82
5.3.30.0330.05713.85
5.3.20.0330.06713.62
5.3.10.0370.04713.64
5.3.00.0330.06013.54
5.2.170.0270.05312.24
5.2.160.0230.06012.24
5.2.150.0230.06312.24
5.2.140.0370.06312.24
5.2.130.0270.05012.24
5.2.120.0200.05712.24
5.2.110.0330.04712.24
5.2.100.0270.03312.24
5.2.90.0300.05012.24
5.2.80.0200.04712.24
5.2.70.0200.04012.24
5.2.60.0300.05012.24
5.2.50.0270.06312.24
5.2.40.0170.04312.24
5.2.30.0230.05012.24
5.2.20.0270.03012.24
5.2.10.0200.04012.24
5.2.00.0200.04012.24
5.1.60.0230.03712.24
5.1.50.0230.03712.24
5.1.40.0200.04712.24
5.1.30.0200.05012.24
5.1.20.0170.04012.24
5.1.10.0200.02712.24
5.1.00.0170.03712.24
5.0.50.0070.02312.24
5.0.40.0170.03712.24
5.0.30.0070.05312.24
5.0.20.0170.03712.24
5.0.10.0070.02712.24
5.0.00.0070.04012.24
4.4.90.0070.03012.24
4.4.80.0070.03712.24
4.4.70.0070.01712.24
4.4.60.0070.02012.24
4.4.50.0100.01312.24
4.4.40.0130.04012.24
4.4.30.0070.03312.24
4.4.20.0070.01712.24
4.4.10.0070.02012.24
4.4.00.0100.02312.24
4.3.110.0070.03312.24
4.3.100.0130.02012.24
4.3.90.0070.03712.24
4.3.80.0200.03712.24
4.3.70.0130.02012.24
4.3.60.0170.01312.24
4.3.50.0170.01312.24
4.3.40.0100.04712.24
4.3.30.0070.03312.24
4.3.20.0130.03012.24
4.3.10.0070.02312.24
4.3.00.0070.02012.24

preferences:
42.15 ms | 401 KiB | 5 Q