3v4l.org

run code in 300+ PHP versions simultaneously
<?php print_r(mb_strtoupper('ⅷ',"UTF-8"));

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)
8.4.20.0130.00718.83
8.4.10.0070.00317.59
8.3.150.0130.00617.02
8.3.140.0070.01016.76
8.3.130.0040.00418.54
8.3.120.0130.00320.90
8.3.110.0050.00318.46
8.3.100.0080.00016.62
8.3.90.0040.00418.21
8.3.80.0060.00318.43
8.3.70.0140.00318.42
8.3.60.0140.00718.15
8.3.50.0110.00721.09
8.3.40.0140.00418.54
8.3.30.0090.00618.63
8.3.20.0040.00421.71
8.3.10.0050.00320.33
8.3.00.0000.00823.52
8.2.270.0150.00417.13
8.2.260.0040.00416.79
8.2.250.0080.01218.81
8.2.240.0040.01516.82
8.2.230.0140.00020.94
8.2.220.0060.00324.06
8.2.210.0000.01426.77
8.2.200.0030.00618.18
8.2.190.0140.00416.58
8.2.180.0090.00616.50
8.2.170.0130.01022.96
8.2.160.0140.00019.16
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0000.00726.16
8.2.120.0040.00419.73
8.2.110.0030.00621.08
8.2.100.0070.00717.66
8.2.90.0000.00817.47
8.2.80.0100.00017.97
8.2.70.0000.00817.54
8.2.60.0040.00817.92
8.2.50.0040.00418.10
8.2.40.0040.00419.05
8.2.30.0040.00419.20
8.2.20.0000.00717.93
8.2.10.0050.00319.12
8.2.00.0000.00719.09
8.1.310.0030.00518.52
8.1.300.0040.01117.63
8.1.290.0030.00618.88
8.1.280.0100.01025.92
8.1.270.0040.00422.11
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0080.00022.08
8.1.230.0000.01122.57
8.1.220.0080.00017.74
8.1.210.0050.00318.92
8.1.200.0030.00717.23
8.1.190.0080.00017.23
8.1.180.0000.00818.10
8.1.170.0000.00818.66
8.1.160.0000.00718.93
8.1.150.0000.00718.76
8.1.140.0040.00420.70
8.1.130.0050.00320.19
8.1.120.0090.00017.29
8.1.110.0000.00817.39
8.1.100.0070.00017.45
8.1.90.0000.00717.30
8.1.80.0000.00817.32
8.1.70.0030.00317.43
8.1.60.0060.00317.54
8.1.50.0080.00317.44
8.1.40.0030.00617.46
8.1.30.0040.00417.55
8.1.20.0040.00417.55
8.1.10.0090.00017.49
8.1.00.0000.00717.27
8.0.300.0030.00522.03
8.0.290.0040.00416.63
8.0.280.0000.00718.45
8.0.270.0060.00316.62
8.0.260.0030.00319.95
8.0.250.0060.00316.86
8.0.240.0040.00416.85
8.0.230.0060.00316.89
8.0.220.0030.00316.78
8.0.210.0070.00016.85
8.0.200.0030.00316.88
8.0.190.0040.00416.84
8.0.180.0000.00716.77
8.0.170.0070.00316.86
8.0.160.0030.00316.74
8.0.150.0000.00716.84
8.0.140.0030.00316.74
8.0.130.0000.00513.22
8.0.120.0060.00316.78
8.0.110.0000.00716.73
8.0.100.0000.00716.72
8.0.90.0030.00616.66
8.0.80.0060.00816.84
8.0.70.0070.00016.77
8.0.60.0000.00716.79
8.0.50.0040.00416.83
8.0.30.0140.00316.90
8.0.20.0090.00917.01
8.0.10.0000.00816.74
8.0.00.0130.00716.58
7.4.330.0020.00215.55
7.4.320.0030.00316.52
7.4.300.0030.00316.48
7.4.290.0070.00016.52
7.4.280.0030.00516.38
7.4.270.0040.00416.53
7.4.260.0060.00013.23
7.4.250.0030.00516.51
7.4.240.0040.00316.47
7.4.230.0000.00716.54
7.4.220.0030.00416.43
7.4.210.0060.01216.54
7.4.200.0040.00416.33
7.4.140.0120.00617.86
7.4.130.0060.01516.42
7.4.120.0140.00316.26
7.4.110.0070.01016.43
7.4.100.0100.00716.50
7.4.90.0030.01316.40
7.4.80.0120.00619.39
7.4.70.0090.01216.15
7.4.60.0090.00616.30
7.4.50.0040.00716.07
7.4.40.0150.00316.29
7.4.10.0040.01414.62
7.4.00.0080.00814.86
7.3.330.0030.00316.21
7.3.320.0000.00513.02
7.3.310.0000.00716.23
7.3.300.0040.00416.25
7.3.290.0060.00916.24
7.3.260.0140.00616.25
7.3.240.0080.01016.22
7.3.230.0060.01016.30
7.3.210.0060.01016.38
7.3.200.0110.00816.37
7.3.190.0140.00316.41
7.3.180.0080.00816.16
7.3.170.0060.01016.30
7.3.160.0030.01416.16
7.3.130.0130.00714.60
7.3.120.0080.00814.78
7.3.110.0050.01014.75
7.3.100.0050.00514.79
7.3.90.0050.00814.50
7.3.80.0070.00714.69
7.3.70.0050.00714.77
7.3.60.0060.01114.55
7.3.50.0040.00914.71
7.3.40.0060.00914.65
7.3.30.0100.00414.66
7.3.20.0040.00915.84
7.3.10.0080.00815.95
7.3.00.0090.00915.80
7.2.330.0090.00916.29
7.2.320.0070.01016.45
7.2.310.0080.00816.50
7.2.300.0060.01016.27
7.2.290.0150.00916.22
7.2.260.0030.01714.81
7.2.250.0110.00714.49
7.2.240.0070.00514.81
7.2.230.0050.00915.02
7.2.220.0080.00514.81
7.2.210.0020.01214.71
7.2.200.0080.00514.87
7.2.190.0040.00914.84
7.2.180.0090.00514.71
7.2.170.0040.00814.74
7.2.160.0090.00614.72
7.2.150.0070.00815.99
7.2.140.0090.00516.11
7.2.130.0090.00516.14
7.2.120.0060.01116.11
7.2.110.0090.00816.03
7.2.100.0040.01116.13
7.2.90.0060.01116.10
7.2.80.0080.00716.01
7.2.70.0070.01016.16
7.2.60.0110.00716.10
7.2.50.0070.00916.11
7.2.40.0070.00816.01
7.2.30.0110.00615.89
7.2.20.0110.00616.12
7.2.10.0120.00216.02
7.2.00.0030.01115.98
7.1.330.0030.00815.70
7.1.320.0080.01015.68
7.1.310.0050.00815.06
7.1.300.0080.00715.01
7.1.290.0080.00815.01
7.1.280.0070.00715.07
7.1.270.0290.00915.08
7.1.260.0090.00414.99
7.1.250.0050.01014.90
7.1.240.0100.00714.95
7.1.230.0060.01314.71
7.1.220.0110.00414.55
7.1.210.0150.00414.80
7.1.200.0150.00514.79
7.1.190.0130.00714.53
7.1.180.0060.01014.67
7.1.170.0120.00314.66
7.1.160.0100.00814.64
7.1.150.0060.01114.71
7.1.140.0070.01414.73
7.1.130.0100.00414.64
7.1.120.0100.00514.63
7.1.110.0110.00714.67
7.1.100.0080.01014.77
7.1.90.0110.00914.88
7.1.80.0120.00614.73
7.1.70.0110.00914.64
7.1.60.0120.00614.73
7.1.50.0080.01014.59
7.1.40.0120.00514.71
7.1.30.0150.00414.64
7.1.20.0090.00914.73
7.1.10.0120.00514.79
7.1.00.0100.00814.72
7.0.330.0170.00313.48
7.0.320.0190.00013.30
7.0.310.0130.00313.53
7.0.300.0180.00313.16
7.0.290.0400.01013.54
7.0.280.0160.00813.42
7.0.270.0140.00513.50
7.0.260.0120.01213.56
7.0.250.0120.01213.50
7.0.240.0200.00713.34
7.0.230.0190.00813.55
7.0.220.0130.01013.55
7.0.210.0100.01513.45
7.0.200.0160.00513.46
7.0.190.0120.01213.52
7.0.180.0210.00013.59
7.0.170.0220.00013.56
7.0.160.0530.00713.53
7.0.150.0120.01013.52
7.0.140.0160.00513.42
7.0.130.0110.01013.42
7.0.120.0220.00013.39
7.0.110.0160.00413.39
7.0.100.0200.00613.35
7.0.90.0100.01013.54
7.0.80.0070.01113.40
7.0.70.0180.00613.68
7.0.60.0120.00813.57
7.0.50.0150.00813.60
7.0.40.0190.00413.65
7.0.30.0090.01413.59
7.0.20.0150.00713.14
7.0.10.0130.00913.47
7.0.00.0150.01113.64
5.6.400.0110.00814.14
5.6.390.0170.00813.93
5.6.380.0170.00214.21
5.6.370.0060.01314.27
5.6.360.0110.00714.35
5.6.350.0140.00313.82
5.6.340.0160.00014.01
5.6.330.0150.00814.00
5.6.320.0110.01414.00
5.6.310.0180.00014.31
5.6.300.0110.00714.15
5.6.290.0150.00513.96
5.6.280.0110.00714.06
5.6.270.0100.01014.20
5.6.260.0120.00814.06
5.6.250.0160.00414.15
5.6.240.0170.00714.13
5.6.230.0150.00614.11
5.6.220.0090.01214.06
5.6.210.0120.01214.00
5.6.200.0100.00714.09
5.6.190.0090.00914.05
5.6.180.0200.00414.30
5.6.170.0140.00014.23
5.6.160.0110.00814.07
5.6.150.0120.00714.07
5.6.140.0180.00414.28
5.6.130.0080.01014.05
5.6.120.0140.00814.24
5.6.110.0160.00513.99
5.6.100.0050.01114.25
5.6.90.0130.01013.90
5.6.80.0140.00314.04
5.6.70.0130.00513.85
5.6.60.0100.00914.23
5.6.50.0150.00414.04
5.6.40.0120.00613.94
5.6.30.0090.00913.97
5.6.20.0140.00614.16
5.6.10.0070.01014.20
5.6.00.0170.00613.96
5.5.380.0140.00513.87
5.5.370.0090.00614.23
5.5.360.0190.00014.47
5.5.350.0040.01713.75
5.5.340.0060.01214.42
5.5.330.0080.00814.10
5.5.320.0080.01114.14
5.5.310.0140.00713.97
5.5.300.0150.00314.04
5.5.290.0080.01114.04
5.5.280.0100.01014.01
5.5.270.0170.00614.02
5.5.260.0070.01413.93
5.5.250.0080.00613.92
5.5.240.0180.00613.82
5.5.230.0090.00913.87
5.5.220.0090.00914.03
5.5.210.0170.00313.89
5.5.200.0110.00514.09
5.5.190.0090.01113.99
5.5.180.0110.00713.84
5.5.170.0070.01113.93
5.5.160.0100.01014.13
5.5.150.0140.00714.00
5.5.140.0080.01214.04
5.5.130.0070.01514.02
5.5.120.0130.00913.80
5.5.110.0110.00513.93
5.5.100.0170.00313.85
5.5.90.0110.00713.93
5.5.80.0070.01113.70
5.5.70.0160.00513.59
5.5.60.0200.00514.15
5.5.50.0080.00814.06
5.5.40.0100.01014.05
5.5.30.0220.00013.89
5.5.20.0110.00814.19
5.5.10.0130.00714.18
5.5.00.0140.00613.87
5.4.450.0150.00011.34
5.4.440.0070.00711.34
5.4.430.0090.00611.34
5.4.420.0030.01011.34
5.4.410.0100.00311.34
5.4.400.0070.00711.34
5.4.390.0110.00411.34
5.4.380.0080.00811.34
5.4.370.0070.00711.34
5.4.360.0090.00511.34
5.4.350.0040.00911.34
5.4.340.0090.00311.34
5.4.330.0120.00411.34
5.4.320.0090.00611.34
5.4.310.0120.00011.34
5.4.300.0080.00811.34
5.4.290.0040.00911.34
5.4.280.0090.00311.34
5.4.270.0160.00011.34
5.4.260.0030.01111.34
5.4.250.0110.00011.34
5.4.240.0040.01211.34
5.4.230.0110.00011.34
5.4.220.0060.01011.34
5.4.210.0060.00611.34
5.4.200.0050.00511.34
5.4.190.0110.00211.34
5.4.180.0060.00611.34
5.4.170.0050.00511.34
5.4.160.0110.00511.34
5.4.150.0140.00011.34
5.4.140.0050.01011.34
5.4.130.0110.00311.34
5.4.120.0150.00011.34
5.4.110.0070.00511.34
5.4.100.0110.00311.34
5.4.90.0080.00611.34
5.4.80.0080.00611.34
5.4.70.0060.00611.34
5.4.60.0110.00011.34
5.4.50.0100.00511.34
5.4.40.0090.00411.34
5.4.30.0130.00311.34
5.4.20.0060.00611.34
5.4.10.0000.01411.34
5.4.00.0090.00511.34
5.3.290.0110.00911.34
5.3.280.0090.00311.34
5.3.270.0050.00511.34
5.3.260.0070.00711.34
5.3.250.0000.01011.34
5.3.240.0070.00711.34
5.3.230.0150.00011.34
5.3.220.0080.00311.34
5.3.210.0090.00311.34
5.3.200.0000.00911.34
5.3.190.0110.00011.34
5.3.180.0100.00311.34
5.3.170.0070.00711.34
5.3.160.0060.00911.34
5.3.150.0090.00511.34
5.3.140.0080.00411.34
5.3.130.0100.00611.34
5.3.120.0000.01011.34
5.3.110.0120.00011.34
5.3.100.0090.00411.34
5.3.90.0050.00511.34
5.3.80.0070.00211.34
5.3.70.0090.00311.34
5.3.60.0090.00611.34
5.3.50.0070.01011.34
5.3.40.0080.00511.34
5.3.30.0060.00611.34
5.3.20.0080.00411.34
5.3.10.0070.00511.34
5.3.00.0060.00611.34
5.2.170.0080.00411.34
5.2.160.0100.00011.34
5.2.150.0000.01011.34
5.2.140.0120.00011.34
5.2.130.0060.00311.34
5.2.120.0120.00311.34
5.2.110.0050.00511.34
5.2.100.0100.00011.34
5.2.90.0050.00511.34
5.2.80.0130.00011.34
5.2.70.0090.00011.34
5.2.60.0080.00011.34
5.2.50.0050.00511.34
5.2.40.0090.00311.34
5.2.30.0060.00611.34
5.2.20.0090.00011.34
5.2.10.0030.00811.34
5.2.00.0110.00011.34
5.1.60.0100.00011.34
5.1.50.0050.00511.34
5.1.40.0000.00911.34
5.1.30.0080.00311.34
5.1.20.0070.00711.34
5.1.10.0040.00411.34
5.1.00.0070.00411.34
5.0.50.0030.00511.34
5.0.40.0070.00511.34
5.0.30.0070.00011.34
5.0.20.0080.00011.34
5.0.10.0080.00011.34
5.0.00.0070.00011.34
4.4.90.0040.00411.34
4.4.80.0000.00511.34
4.4.70.0000.01011.34
4.4.60.0060.00211.34
4.4.50.0040.00411.34
4.4.40.0060.00311.34
4.4.30.0000.00811.34
4.4.20.0050.00311.34
4.4.10.0030.00311.34
4.4.00.0050.00511.34
4.3.110.0000.00711.34
4.3.100.0090.00011.34
4.3.90.0040.00211.34
4.3.80.0000.00711.34
4.3.70.0070.00011.34
4.3.60.0050.00011.34
4.3.50.0000.00511.34
4.3.40.0040.00011.34
4.3.30.0050.00011.34
4.3.20.0020.00211.34
4.3.10.0050.00011.34
4.3.00.0000.00611.34

preferences:
35.45 ms | 403 KiB | 5 Q