3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo mb_strtoupper('αΎ€');

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)
8.4.10.0060.00319.34
8.3.140.0070.00716.96
8.3.130.0080.00018.30
8.3.120.0000.00820.55
8.3.110.0030.00620.94
8.3.100.0100.00024.06
8.3.90.0140.00426.77
8.3.80.0050.00516.25
8.3.70.0090.00916.58
8.3.60.0070.00716.50
8.3.50.0070.00719.84
8.3.40.0110.00321.91
8.3.30.0040.01118.46
8.3.20.0040.00424.18
8.3.10.0000.00824.66
8.3.00.0060.00326.16
8.2.260.0160.00618.79
8.2.250.0040.00416.55
8.2.240.0080.00017.33
8.2.230.0040.00422.58
8.2.220.0080.00037.54
8.2.210.0110.00426.77
8.2.200.0040.00416.63
8.2.190.0100.01016.58
8.2.180.0090.00925.92
8.2.170.0070.00722.96
8.2.160.0150.00322.96
8.2.150.0050.00325.66
8.2.140.0000.00724.66
8.2.130.0040.00426.16
8.2.120.0050.00320.51
8.2.110.0110.00021.05
8.2.100.0110.00017.53
8.2.90.0030.00517.38
8.2.80.0030.00617.97
8.2.70.0050.00317.80
8.2.60.0060.00218.02
8.2.50.0040.00418.07
8.2.40.0050.00319.95
8.2.30.0030.00517.92
8.2.20.0040.00420.39
8.2.10.0000.00817.54
8.2.00.0000.00719.03
8.1.300.0150.00317.68
8.1.290.0030.00618.88
8.1.280.0100.00325.92
8.1.270.0040.00422.08
8.1.260.0090.00026.35
8.1.250.0050.00328.09
8.1.240.0030.00723.97
8.1.230.0070.00419.61
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0040.00417.11
8.1.190.0080.00017.10
8.1.180.0050.00518.10
8.1.170.0040.00418.79
8.1.160.0070.00018.85
8.1.150.0000.00818.58
8.1.140.0030.00617.42
8.1.130.0060.00317.40
8.1.120.0040.00417.36
8.1.110.0050.00217.30
8.1.100.0040.00417.39
8.1.90.0000.00817.26
8.1.80.0000.00817.27
8.1.70.0070.00017.40
8.1.60.0040.00417.54
8.1.50.0030.00617.43
8.1.40.0090.00117.39
8.1.30.0010.00917.41
8.1.20.0050.00517.45
8.1.10.0150.00517.43
8.1.00.0130.00617.35
8.0.300.0050.00218.77
8.0.290.0050.00516.63
8.0.280.0030.00318.52
8.0.270.0030.00718.00
8.0.260.0030.00316.82
8.0.250.0030.00317.00
8.0.240.0040.00417.00
8.0.230.0030.00316.84
8.0.220.0040.00416.86
8.0.210.0060.00016.84
8.0.200.0000.00716.89
8.0.190.0000.00716.77
8.0.180.0030.00516.86
8.0.170.0030.00616.76
8.0.160.0090.00116.63
8.0.150.0080.00316.38
8.0.140.0040.00616.62
8.0.130.0140.00716.63
8.0.120.0180.00316.72
8.0.110.0130.00616.58
8.0.100.0150.00516.68
8.0.90.0130.00616.67
8.0.80.0110.00616.54
8.0.70.0150.00216.73
8.0.60.0130.00316.65
8.0.50.0110.00516.68
8.0.30.0090.00616.72
8.0.20.0110.00616.71
8.0.10.0120.00616.75
8.0.00.0050.00616.86
7.4.330.0000.00515.55
7.4.320.0000.00616.41
7.4.300.0040.00416.49
7.4.290.0040.00416.30
7.4.280.0050.00316.38
7.4.270.0100.00816.41
7.4.260.0170.00216.42
7.4.250.0140.00416.44
7.4.240.0090.00616.41
7.4.230.0130.00416.22
7.4.220.0150.00516.32
7.4.210.0120.00816.23
7.4.200.0160.00516.34
7.4.190.0150.00316.42
7.4.180.0150.00516.44
7.4.160.0130.00716.42
7.4.150.0130.00416.32
7.4.140.0120.00616.25
7.4.130.0120.00816.28
7.4.120.0150.00316.26
7.4.110.0140.00416.22
7.4.100.0130.00616.34
7.4.90.0140.00516.22
7.4.80.0160.00416.19
7.4.70.0170.00516.26
7.4.60.0180.00316.26
7.4.50.0160.00416.28
7.4.40.0150.00316.27
7.4.30.0130.00616.26
7.4.20.0140.00616.41
7.4.10.0120.00716.27
7.4.00.0130.00716.28
7.3.330.0140.00816.16
7.3.320.0190.00316.24
7.3.310.0180.00316.19
7.3.300.0140.00616.22
7.3.290.0140.00616.20
7.3.280.0170.00316.28
7.3.270.0150.00616.15
7.3.260.0130.00716.11
7.3.250.0130.00516.23
7.3.240.0140.00416.22
7.3.230.0150.00216.20
7.3.220.0190.00216.08
7.3.210.0210.00116.10
7.3.200.0200.00316.05
7.3.190.0190.00416.00
7.3.180.0200.00416.16
7.3.170.0160.00615.96
7.3.160.0160.00416.12
7.3.150.0190.00415.99
7.3.140.0200.00216.05
7.3.130.0190.00716.09

preferences:
51.68 ms | 403 KiB | 5 Q