3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "hui"; var_dump($a[-4]);

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)
8.5.30.0110.00721.16
8.5.20.0080.00919.46
8.5.10.0090.00916.86
8.5.00.0080.01319.94
8.4.180.0160.00619.78
8.4.170.0090.01320.54
8.4.160.0120.00923.86
8.4.150.0080.00417.78
8.4.140.0120.01017.60
8.4.130.0110.00818.68
8.4.120.0120.00723.88
8.4.110.0070.00218.89
8.4.100.0110.00918.58
8.4.90.0130.00617.56
8.4.80.0060.00617.85
8.4.70.0040.00517.93
8.4.60.0060.01320.25
8.4.50.0070.00924.05
8.4.40.0070.01317.55
8.4.30.0140.00717.59
8.4.20.0060.01319.43
8.4.10.0060.00319.33
8.3.300.0140.00720.75
8.3.290.0130.00820.72
8.3.280.0110.01018.41
8.3.270.0050.00316.53
8.3.260.0060.00216.80
8.3.250.0160.00318.92
8.3.240.0120.00817.00
8.3.230.0090.01017.10
8.3.220.0100.00417.29
8.3.210.0080.00716.78
8.3.200.0040.00417.33
8.3.190.0090.01117.10
8.3.180.0080.01116.83
8.3.170.0080.00016.75
8.3.160.0000.01518.30
8.3.150.0040.00417.02
8.3.140.0040.00416.63
8.3.130.0030.00518.34
8.3.120.0100.01020.59
8.3.110.0060.00320.94
8.3.100.0030.00624.06
8.3.90.0090.00626.77
8.3.80.0060.00317.97
8.3.70.0040.01218.43
8.3.60.0120.00318.56
8.3.50.0050.00818.10
8.3.40.0070.01018.75
8.3.30.0040.01118.56
8.3.20.0040.00418.95
8.3.10.0050.00321.60
8.3.00.0000.00823.53
8.2.300.0130.00922.02
8.2.290.0120.00620.33
8.2.280.0010.00718.35
8.2.270.0160.00316.63
8.2.260.0070.01020.80
8.2.250.0080.00018.44
8.2.240.0030.00619.11
8.2.230.0000.00822.58
8.2.220.0040.00437.54
8.2.210.0060.00326.77
8.2.200.0030.00618.54
8.2.190.0160.00316.63
8.2.180.0110.00718.29
8.2.170.0040.01122.96
8.2.160.0090.00619.11
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0080.00019.83
8.2.120.0050.00326.35
8.2.110.0060.00321.05
8.2.100.0040.00817.91
8.2.90.0000.00819.09
8.2.80.0120.00617.97
8.2.70.0000.00817.68
8.2.60.0050.00317.93
8.2.50.0000.00818.10
8.2.40.0040.00420.91
8.2.30.0000.00719.32
8.2.20.0040.00418.14
8.2.10.0070.00021.09
8.2.00.0040.00419.36
8.1.340.0120.00917.75
8.1.330.0040.00521.80
8.1.320.0130.00916.06
8.1.310.0040.00416.44
8.1.300.0130.00316.31
8.1.290.0030.00630.84
8.1.280.0110.00725.92
8.1.270.0080.00022.16
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0030.00622.06
8.1.230.0050.00520.97
8.1.220.0040.00417.74
8.1.210.0000.00818.78
8.1.200.0060.00317.35
8.1.190.0000.00916.98
8.1.180.0000.00818.10
8.1.170.0000.00718.79
8.1.160.0040.00418.88
8.1.150.0040.00418.80
8.1.140.0080.00019.32
8.1.130.0040.00419.05
8.1.120.0000.00717.41
8.1.110.0000.00717.34
8.1.100.0040.00417.41
8.1.90.0080.00017.41
8.1.80.0030.00617.29
8.1.70.0040.00417.34
8.1.60.0080.00317.44
8.1.50.0000.00817.33
8.1.40.0030.00517.48
8.1.30.0040.00417.56
8.1.20.0030.00517.53
8.1.10.0030.00517.57
8.1.00.0000.00817.41
8.0.300.0040.00419.86
8.0.290.0000.00916.75
8.0.280.0070.00018.30
8.0.270.0000.00717.14
8.0.260.0060.00017.18
8.0.250.0030.00316.94
8.0.240.0030.00316.84
8.0.230.0000.01016.96
8.0.220.0000.00716.86
8.0.210.0040.00316.78
8.0.200.0000.00616.93
8.0.190.0000.00916.95
8.0.180.0000.00716.79
8.0.170.0080.00016.86
8.0.160.0000.00716.89
8.0.150.0000.01016.84
8.0.140.0000.00716.82
8.0.130.0030.00313.35
8.0.120.0060.00316.84
8.0.110.0070.00216.76
8.0.100.0000.00716.83
8.0.90.0030.00316.83
8.0.80.0060.01316.82
8.0.70.0030.00516.87
8.0.60.0040.00416.91
8.0.50.0000.00716.88
8.0.30.0080.01017.08
8.0.20.0090.01017.40
8.0.10.0070.00017.02
8.0.00.0070.01016.56
7.4.330.0000.00415.55
7.4.320.0030.00316.45
7.4.300.0030.00316.45
7.4.290.0070.00016.44
7.4.280.0040.00416.36
7.4.270.0070.00016.53
7.4.260.0080.00016.41
7.4.250.0040.00416.39
7.4.240.0030.00316.57
7.4.230.0040.00416.31
7.4.220.0030.00516.63
7.4.210.0060.01016.51
7.4.200.0000.00716.59
7.4.160.0110.00416.47
7.4.140.0100.01117.86
7.4.130.0110.01416.65
7.4.120.0110.00716.44
7.4.110.0070.01016.60
7.4.100.0090.00916.23
7.4.90.0120.00916.32
7.4.80.0110.00719.39
7.4.70.0160.00716.55
7.4.60.0090.00816.61
7.4.50.0030.01016.46
7.4.40.0100.00716.35
7.4.00.0080.00714.88
7.3.330.0000.00513.18
7.3.320.0060.00013.19
7.3.310.0070.00016.11
7.3.300.0000.00716.09
7.3.290.0000.00716.25
7.3.280.0090.00816.25
7.3.260.0090.01116.42
7.3.240.0090.01116.34
7.3.230.0000.01616.48
7.3.210.0110.00516.36
7.3.200.0070.01016.57
7.3.190.0000.01516.32
7.3.180.0080.00816.31
7.3.170.0060.00916.25
7.3.160.0120.00916.36
7.3.120.0060.01314.66
7.3.110.0100.00714.82
7.3.100.0030.01214.67
7.3.90.0070.00714.80
7.3.80.0090.00614.83
7.3.70.0060.00914.64
7.3.60.0140.00314.92
7.3.50.0000.01614.82
7.3.40.0060.00814.85
7.3.30.0090.00614.55
7.3.20.0090.00316.48
7.3.10.0100.00516.55
7.3.00.0030.00916.58
7.2.330.0140.00416.43
7.2.320.0100.00716.59
7.2.310.0070.01016.65
7.2.300.0060.01016.34
7.2.290.0140.00416.63
7.2.250.0070.01114.55
7.2.240.0000.02014.62
7.2.230.0030.01214.86
7.2.220.0070.00714.47
7.2.210.0030.00714.98
7.2.200.0040.01214.64
7.2.190.0040.00814.91
7.2.180.0040.01115.02
7.2.170.0040.00714.74
7.2.130.0070.00716.54
7.2.120.0080.00316.75
7.2.110.0070.00716.63
7.2.100.0080.00316.47
7.2.90.0120.00316.92
7.2.80.0000.01016.84
7.2.70.0020.01216.57
7.2.60.0040.01116.64
7.2.50.0060.00916.69
7.2.40.0100.00616.79
7.2.30.0090.00616.80
7.2.20.0090.00916.63
7.2.10.0100.00716.74
7.2.00.0110.00516.66
7.1.330.0030.01315.91
7.1.320.0060.00615.63
7.1.310.0100.00315.96
7.1.300.0070.00715.80
7.1.290.0070.00415.87
7.1.280.0100.00315.68
7.1.270.0110.00315.85
7.1.260.0100.00015.93
7.1.250.0060.00915.73
7.1.200.0090.00615.73
7.1.170.0110.00415.75
7.1.160.0070.01015.57
7.1.150.0100.00315.62
7.1.140.0100.00715.89
7.1.130.0110.00615.76
7.1.120.0060.01115.91
7.1.110.0100.00715.65
7.1.100.0120.00615.89
7.1.90.0110.00615.80
7.1.80.0000.01615.48
7.1.70.0060.01215.70
7.1.60.0310.01033.79
7.1.50.0280.01633.49
7.1.40.0300.01433.83
7.1.30.0350.01033.55
7.1.20.0380.00633.82
7.1.10.0030.01215.66
7.1.00.0090.00615.72

preferences:
46.06 ms | 1582 KiB | 5 Q