3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(mb_convert_case("'", MB_CASE_UPPER ));

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)
8.3.60.0070.00718.05
8.3.50.0100.01018.03
8.3.40.0090.00918.68
8.3.30.0110.00418.59
8.3.20.0060.00321.84
8.3.10.0000.00823.60
8.3.00.0000.00723.61
8.2.180.0220.00016.32
8.2.170.0110.01122.96
8.2.160.0100.00320.39
8.2.150.0040.00425.66
8.2.140.0120.00324.66
8.2.130.0000.00718.09
8.2.120.0040.00426.35
8.2.110.0060.00322.02
8.2.100.0000.01117.78
8.2.90.0080.00017.50
8.2.80.0040.00417.97
8.2.70.0030.00517.80
8.2.60.0000.00717.97
8.2.50.0060.00318.10
8.2.40.0030.00619.12
8.2.30.0000.00719.02
8.2.20.0030.00517.93
8.2.10.0040.00419.14
8.2.00.0040.00419.34
8.1.280.0140.00425.92
8.1.270.0080.00024.66
8.1.260.0080.00026.35
8.1.250.0030.00528.09
8.1.240.0030.01323.84
8.1.230.0040.00719.16
8.1.220.0030.00617.74
8.1.210.0040.00418.77
8.1.200.0060.00317.10
8.1.190.0000.00820.04
8.1.180.0040.00418.10
8.1.170.0000.00818.25
8.1.160.0000.00718.69
8.1.150.0040.00418.66
8.1.140.0040.00422.12
8.1.130.0000.00820.07
8.1.120.0000.00717.34
8.1.110.0040.00417.29
8.1.100.0030.00317.30
8.1.90.0000.00717.34
8.1.80.0080.00017.29
8.1.70.0030.00517.42
8.1.60.0040.00417.55
8.1.50.0060.00317.42
8.1.40.0040.00417.41
8.1.30.0030.00517.52
8.1.20.0000.01117.53
8.1.10.0030.00517.47
8.1.00.0000.00717.25
8.0.300.0040.00418.77
8.0.290.0080.00016.63
8.0.280.0050.00318.49
8.0.270.0030.00317.24
8.0.260.0030.00318.38
8.0.250.0000.00716.82
8.0.240.0030.00316.82
8.0.230.0020.00516.91
8.0.220.0000.00916.83
8.0.210.0000.00716.78
8.0.200.0000.00816.82
8.0.190.0000.00816.78
8.0.180.0050.00316.87
8.0.170.0000.00816.83
8.0.160.0070.00016.82
8.0.150.0000.00816.65
8.0.140.0000.00816.68
8.0.130.0070.00013.21
8.0.120.0000.00716.85
8.0.110.0000.00816.88
8.0.100.0000.00816.87
8.0.90.0040.00416.81
8.0.80.0070.01116.82
8.0.70.0080.00016.86
8.0.60.0000.00816.86
8.0.50.0000.00816.85
8.0.30.0080.00916.93
8.0.20.0040.02217.40
8.0.10.0050.00216.89
8.0.00.0090.00916.73
7.4.330.0020.00216.67
7.4.320.0000.00616.48
7.4.300.0060.00016.50
7.4.290.0000.00716.44
7.4.280.0080.00016.44
7.4.270.0000.00716.50
7.4.260.0070.00016.35
7.4.250.0000.00716.50
7.4.240.0050.00316.43
7.4.230.0000.00716.60
7.4.220.0000.00716.60
7.4.210.0050.00916.58
7.4.200.0040.00416.34
7.4.140.0100.00717.86
7.4.130.0060.01116.27
7.4.120.0140.00416.34
7.4.110.0080.00816.34
7.4.100.0040.01416.29
7.4.90.0080.00816.41
7.4.80.0060.01119.39
7.4.70.0090.01016.44
7.4.60.0090.01216.26
7.4.50.0110.00416.24
7.4.40.0040.01216.38
7.4.00.0030.01014.64
7.3.330.0020.00213.11
7.3.320.0050.00013.11
7.3.310.0040.00416.07
7.3.300.0070.00016.18
7.3.290.0030.00316.05
7.3.280.0080.00916.22
7.3.260.0080.00916.28
7.3.240.0120.00916.33
7.3.230.0060.01016.13
7.3.210.0150.00316.39
7.3.200.0090.00616.16
7.3.190.0140.00616.13
7.3.180.0100.00716.10
7.3.170.0070.01016.17
7.3.160.0080.00816.33
7.3.10.0110.00316.49
7.3.00.0070.00716.29
7.2.330.0100.00916.46
7.2.320.0090.00916.61
7.2.310.0050.01116.41
7.2.300.0040.01216.36
7.2.290.0070.01016.38
7.2.130.0080.00416.84
7.2.120.0070.00716.71
7.2.110.0050.00916.51
7.2.100.0090.00516.94
7.2.90.0060.00916.73
7.2.80.0040.00916.59
7.2.70.0070.00516.76
7.2.60.0060.00816.59
7.2.50.0100.00816.56
7.2.40.0030.01016.62
7.2.30.0090.00616.66
7.2.20.0080.00616.64
7.2.10.0090.00716.54
7.2.00.0080.00516.65
7.1.250.0000.01015.75
7.0.330.0050.01015.25
5.6.380.0070.00613.83

preferences:
34.66 ms | 400 KiB | 5 Q