3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = 'abc'[-1]; echo $foo[-1];

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)
8.3.70.0040.01118.18
8.3.60.0120.00918.43
8.3.50.0030.01016.25
8.3.40.0070.00718.97
8.3.30.0110.01118.66
8.3.20.0040.00419.07
8.3.10.0000.00721.82
8.3.00.0080.00019.47
8.2.180.0040.01118.14
8.2.170.0070.00722.96
8.2.160.0060.00620.39
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00020.35
8.2.120.0040.00426.35
8.2.110.0110.00020.86
8.2.100.0070.00417.97
8.2.90.0050.00319.30
8.2.80.0000.00817.97
8.2.70.0040.00417.75
8.2.60.0000.00817.80
8.2.50.0030.00518.10
8.2.40.0000.00820.39
8.2.30.0020.00519.27
8.2.20.0070.00018.11
8.2.10.0040.00418.07
8.2.00.0040.00417.92
8.1.280.0070.01425.92
8.1.270.0040.00422.03
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0090.00021.29
8.1.230.0080.00417.42
8.1.220.0050.00317.74
8.1.210.0080.00018.77
8.1.200.0070.00317.22
8.1.190.0060.00317.10
8.1.180.0080.00018.10
8.1.170.0040.00418.66
8.1.160.0000.00818.99
8.1.150.0040.00420.52
8.1.140.0000.00919.52
8.1.130.0070.00018.85
8.1.120.0070.00017.42
8.1.110.0140.00017.27
8.1.100.0040.00417.31
8.1.90.0000.00817.29
8.1.80.0000.01117.39
8.1.70.0050.00217.39
8.1.60.0040.00417.39
8.1.50.0000.00717.47
8.1.40.0120.00017.43
8.1.30.0070.00017.47
8.1.20.0030.00617.49
8.1.10.0040.00417.53
8.1.00.0000.00817.51
8.0.300.0050.00218.77
8.0.290.0000.00716.75
8.0.280.0000.00718.44
8.0.270.0000.00717.25
8.0.260.0000.00616.88
8.0.250.0000.00617.04
8.0.240.0000.00917.02
8.0.230.0050.00316.92
8.0.220.0040.00416.91
8.0.210.0060.00316.84
8.0.200.0040.00416.87
8.0.190.0050.00316.91
8.0.180.0040.00416.86
8.0.170.0030.00416.76
8.0.160.0040.00417.01
8.0.150.0040.00416.89
8.0.140.0000.00716.77
8.0.130.0030.00313.37
8.0.120.0000.00816.82
8.0.110.0080.00016.68
8.0.100.0070.00016.97
8.0.90.0040.00416.90
8.0.80.0060.00916.86
8.0.70.0040.00416.75
8.0.60.0000.00916.88
8.0.50.0030.00416.84
8.0.30.0140.00616.90
8.0.20.0140.00817.40
8.0.10.0000.00717.04
8.0.00.0100.00716.50
7.4.330.0020.00215.55
7.4.320.0030.00516.41
7.4.300.0000.00616.48
7.4.290.0080.00016.30
7.4.280.0030.00616.43
7.4.270.0030.00316.52
7.4.260.0060.00013.21
7.4.250.0040.00416.39
7.4.240.0070.00016.45
7.4.230.0030.00316.43
7.4.220.0100.00716.44
7.4.210.0020.01416.47
7.4.200.0000.00716.51
7.4.160.0070.00816.45
7.4.150.0080.01117.40
7.4.140.0100.01117.86
7.4.130.0030.01416.39
7.4.120.0130.00616.40
7.4.110.0150.00016.48
7.4.100.0140.00416.39
7.4.90.0060.01516.48
7.4.80.0090.00919.39
7.4.70.0110.00616.36
7.4.60.0080.00816.47
7.4.50.0000.01316.15
7.4.40.0040.01216.53
7.4.30.0120.00616.17
7.4.00.0100.00714.87
7.3.330.0090.00213.13
7.3.320.0000.00513.03
7.3.310.0030.00316.06
7.3.300.0000.00716.17
7.3.290.0000.00716.15
7.3.280.0070.00916.23
7.3.270.0070.01117.40
7.3.260.0100.00616.49
7.3.250.0130.00716.30
7.3.240.0110.00716.32
7.3.230.0060.01616.22
7.3.210.0030.01516.45
7.3.200.0130.00316.37
7.3.190.0070.01016.59
7.3.180.0090.00616.59
7.3.170.0090.00616.32
7.3.160.0070.01016.28
7.2.330.0050.01716.74
7.2.320.0100.00616.65
7.2.310.0170.00016.26
7.2.300.0150.00316.54
7.2.290.0060.01216.47
7.2.60.0040.00417.09
7.1.200.0090.00315.68
7.1.100.0040.01118.11
7.1.70.0050.00216.87
7.1.60.1530.01732.95
7.1.50.2330.02032.93
7.1.40.3330.00332.47
7.1.30.3230.02332.46
7.1.20.4700.02732.66
7.1.10.2370.00714.73
7.1.00.2730.01714.73
7.0.200.5200.01314.79
7.0.190.2600.00714.90
7.0.180.3000.01314.25
7.0.170.6800.01714.37
7.0.160.3970.01714.22
7.0.150.2230.01714.39
7.0.140.3200.01314.57
7.0.130.3370.01314.54
7.0.120.3470.01014.69
7.0.110.2400.01014.61
7.0.100.2930.01014.50
7.0.90.3330.01714.40
7.0.80.3270.01314.39
7.0.70.0100.01014.37
7.0.60.0030.01714.23
7.0.50.0100.01314.35
7.0.40.2830.02014.72
7.0.30.2800.01714.75
7.0.20.2170.01014.46
7.0.10.0030.01714.42
7.0.00.0100.01314.75

preferences:
72.28 ms | 400 KiB | 5 Q