3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(mb_strpos(null, 'a'));

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)
8.3.70.0110.00716.63
8.3.60.0100.01016.50
8.3.50.0090.00618.09
8.3.40.0070.00718.67
8.3.30.0070.00718.54
8.3.20.0070.00024.18
8.3.10.0050.00524.66
8.3.00.0000.00726.16
8.2.190.0170.00316.75
8.2.180.0070.00725.92
8.2.170.0090.00619.01
8.2.160.0080.00622.96
8.2.150.0040.00425.66
8.2.140.0020.00524.66
8.2.130.0050.00226.16
8.2.120.0050.00326.35
8.2.110.0060.00319.38
8.2.100.0090.00317.59
8.2.90.0050.00317.88
8.2.80.0080.00017.97
8.2.70.0040.00417.63
8.2.60.0060.00317.50
8.2.50.0030.00618.10
8.2.40.0040.00421.07
8.2.30.0080.00019.00
8.2.20.0000.00717.84
8.2.10.0000.00819.16
8.2.00.0040.00419.12
8.1.280.0110.00425.92
8.1.270.0040.00423.99
8.1.260.0080.00628.09
8.1.250.0040.00428.09
8.1.240.0080.00022.21
8.1.230.0080.00420.98
8.1.220.0050.00317.74
8.1.210.0110.00018.77
8.1.200.0000.00817.23
8.1.190.0090.00017.00
8.1.180.0060.00318.10
8.1.170.0030.00618.57
8.1.160.0040.00418.86
8.1.150.0040.00418.77
8.1.140.0030.00318.80
8.1.130.0030.00320.08
8.1.120.0040.00417.34
8.1.110.0040.00417.30
8.1.100.0080.00017.33
8.1.90.0000.00717.32
8.1.80.0000.00717.27
8.1.70.0020.00517.21
8.1.60.0000.00817.48
8.1.50.0040.00417.51
8.1.40.0000.00817.45
8.1.30.0000.00817.55
8.1.20.0000.00817.47
8.1.10.0000.00817.45
8.1.00.0030.00617.41
8.0.300.0040.00419.91
8.0.290.0000.00716.58
8.0.280.0080.00018.49
8.0.270.0040.00416.67
8.0.260.0000.00618.41
8.0.250.0040.00416.89
8.0.240.0030.00516.79
8.0.230.0030.00316.87
8.0.220.0030.00316.73
8.0.210.0080.00016.82
8.0.200.0000.00716.90
8.0.190.0070.00016.77
8.0.180.0040.00416.75
8.0.170.0060.00316.87
8.0.160.0030.00316.73
8.0.150.0040.00416.65
8.0.140.0050.00216.82
8.0.130.0030.00313.22
8.0.120.0000.00716.80
8.0.110.0000.00816.71
8.0.100.0000.00716.81
8.0.90.0030.00516.93
8.0.80.0100.00716.83
8.0.70.0060.00316.73
8.0.60.0070.00016.65
8.0.50.0000.00716.77
8.0.30.0060.00916.96
8.0.20.0060.01517.01
8.0.10.0120.00616.99
8.0.00.0070.01216.93
7.4.330.0050.00015.55
7.4.320.0040.00416.42
7.4.300.0060.00016.39
7.4.290.0050.00216.42
7.4.280.0070.00316.35
7.4.270.0080.00016.37
7.4.260.0060.00013.14
7.4.250.0090.00016.35
7.4.240.0000.00716.36
7.4.230.0030.00316.21
7.4.220.0020.00516.49
7.4.210.0090.00816.48
7.4.200.0000.00916.52
7.4.140.0100.00716.24
7.4.130.0120.00716.25
7.4.120.0080.01016.33
7.4.110.0100.00716.32
7.4.100.0120.00716.39
7.4.90.0060.01216.32
7.4.80.0120.00716.33
7.4.70.0070.01516.44
7.4.60.0140.00816.25
7.4.50.0120.00916.38
7.4.40.0170.00516.40
7.4.30.0130.00516.46
7.4.20.0080.01116.37
7.4.10.0140.01016.28
7.4.00.0090.01416.13
7.3.330.0030.00616.18
7.3.320.0030.00312.99
7.3.310.0040.00415.96
7.3.300.0060.00016.04
7.3.290.0070.00916.10
7.3.260.0110.01016.24
7.3.250.0090.00916.28
7.3.240.0080.01016.23
7.3.230.0070.01016.19
7.3.220.0110.00516.43
7.3.210.0140.00516.32
7.3.200.0070.01116.34
7.3.190.0130.00816.39
7.3.180.0080.01116.33
7.3.170.0120.00816.18
7.3.160.0110.01016.08
7.3.150.0090.00916.30
7.3.140.0100.01216.20
7.3.130.0120.01016.25
7.3.120.0150.00716.22
7.3.110.0060.01116.25
7.3.100.0060.01516.13
7.3.90.0090.01116.22
7.3.80.0060.01416.36
7.3.70.0180.01116.22
7.3.60.0120.02016.13
7.3.50.0100.02416.25
7.3.40.0180.02216.13
7.3.30.0130.01316.14
7.3.20.0130.02117.19
7.3.10.0170.01117.14
7.3.00.0170.01617.13

preferences:
39.07 ms | 401 KiB | 5 Q