3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = 'abc'; 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)
8.3.60.0090.01318.03
8.3.50.0120.00316.17
8.3.40.0100.00718.62
8.3.30.0150.00018.88
8.3.20.0000.00819.02
8.3.10.0080.00023.56
8.3.00.0040.00419.48
8.2.180.0090.00918.18
8.2.170.0130.00722.96
8.2.160.0100.00320.58
8.2.150.0040.00425.66
8.2.140.0070.00024.66
8.2.130.0000.00720.38
8.2.120.0070.00026.35
8.2.110.0000.01020.94
8.2.100.0120.00017.91
8.2.90.0000.00819.17
8.2.80.0000.00817.97
8.2.70.0000.00817.63
8.2.60.0030.00517.93
8.2.50.0030.00518.10
8.2.40.0040.00420.25
8.2.30.0040.00419.27
8.2.20.0000.00718.04
8.2.10.0000.00717.98
8.2.00.0040.00417.92
8.1.280.0110.00625.92
8.1.270.0040.00422.24
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0090.00021.26
8.1.230.0040.00817.42
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0030.00617.23
8.1.190.0040.00417.10
8.1.180.0000.00818.10
8.1.170.0050.00318.61
8.1.160.0000.00718.98
8.1.150.0000.00820.55
8.1.140.0060.00319.42
8.1.130.0030.00318.81
8.1.120.0000.00717.38
8.1.110.0000.00717.39
8.1.100.0000.00817.40
8.1.90.0040.00417.31
8.1.80.0000.00817.35
8.1.70.0040.00417.43
8.1.60.0000.00817.44
8.1.50.0030.00517.47
8.1.40.0030.00717.33
8.1.30.0040.00417.47
8.1.20.0080.00317.47
8.1.10.0000.00817.54
8.1.00.0070.00017.53
8.0.300.0040.00418.77
8.0.290.0060.00316.63
8.0.280.0070.00018.40
8.0.270.0040.00417.26
8.0.260.0030.00316.80
8.0.250.0030.00316.94
8.0.240.0030.00716.83
8.0.230.0040.00416.89
8.0.220.0030.00316.74
8.0.210.0000.01016.70
8.0.200.0060.00016.86
8.0.190.0080.00016.78
8.0.180.0040.00416.90
8.0.170.0000.00716.84
8.0.160.0050.00216.91
8.0.150.0000.00716.66
8.0.140.0000.00716.79
8.0.130.0000.00513.28
8.0.120.0040.00416.77
8.0.110.0000.00716.65
8.0.100.0050.00316.86
8.0.90.0040.00416.64
8.0.80.0040.01116.85
8.0.70.0040.00416.65
8.0.60.0030.00516.88
8.0.50.0070.00016.88
8.0.30.0130.00716.99
8.0.20.0130.00617.40
8.0.10.0070.00017.01
8.0.00.0030.01416.61
7.4.330.0000.00615.55
7.4.320.0000.00716.39
7.4.300.0070.00016.54
7.4.290.0040.00416.42
7.4.280.0000.00916.28
7.4.270.0070.00016.41
7.4.260.0000.00513.32
7.4.250.0060.00316.41
7.4.240.0030.00316.55
7.4.230.0030.00316.59
7.4.220.0090.00916.30
7.4.210.0040.01116.55
7.4.200.0000.00716.23
7.4.160.0120.00316.40
7.4.150.0140.00717.40
7.4.140.0160.00317.86
7.4.130.0130.00316.59
7.4.120.0140.00616.47
7.4.110.0060.01616.21
7.4.100.0090.01316.47
7.4.90.0100.00716.50
7.4.80.0060.01119.39
7.4.70.0120.00416.66
7.4.60.0140.00316.50
7.4.50.0070.00216.42
7.4.40.0130.00716.47
7.4.30.0120.00416.59
7.4.00.0070.01015.04
7.3.330.0080.00012.93
7.3.320.0020.00313.17
7.3.310.0030.00316.13
7.3.300.0030.00316.02
7.3.290.0030.00316.05
7.3.280.0090.00716.17
7.3.270.0060.01117.40
7.3.260.0090.00716.35
7.3.250.0120.00916.31
7.3.240.0070.01116.22
7.3.230.0090.01216.54
7.3.210.0230.00616.20
7.3.200.0070.01016.50
7.3.190.0100.00716.30
7.3.180.0140.00416.18
7.3.170.0120.00316.27
7.3.160.0070.01016.40
7.3.10.0080.00416.34
7.3.00.0060.00616.41
7.2.330.0030.01416.63
7.2.320.0100.00716.72
7.2.310.0170.00016.43
7.2.300.0030.01416.66
7.2.290.0090.00816.63
7.2.130.0100.00016.51
7.2.120.0090.00616.48
7.2.110.0120.00616.58
7.2.100.0060.00316.71
7.2.90.0150.00016.39
7.2.80.0150.00316.49
7.2.70.0040.00816.45
7.2.60.0060.00816.57
7.2.50.0060.00616.74
7.2.40.0070.00316.71
7.2.30.0030.01016.50
7.2.20.0030.00916.70
7.2.10.0000.01016.67
7.2.00.0050.00817.85
7.1.250.0000.00815.45
7.1.200.0060.00615.65
7.1.100.0030.01017.94
7.1.70.0030.00317.05
7.1.60.0370.01332.90
7.1.50.2230.02032.61
7.1.40.3470.01732.51
7.1.30.3870.01732.41
7.1.20.4000.00732.58
7.1.10.0100.01014.68
7.1.00.0830.01014.55
7.0.200.2370.00714.83
7.0.190.3130.01014.74
7.0.180.0030.01314.19
7.0.170.1230.02014.42
7.0.160.0100.01014.30
7.0.150.0130.00314.57
7.0.140.0700.01714.41
7.0.130.0070.01314.82
7.0.120.0900.01014.56
7.0.110.0400.01714.57
7.0.100.0070.02014.16
7.0.90.0100.01314.13
7.0.80.0170.01714.52
7.0.70.0170.00314.15
7.0.60.0030.01714.33
7.0.50.0030.01314.40
7.0.40.0100.01014.65
7.0.30.0130.00314.49
7.0.20.3300.01314.57
7.0.10.2870.01314.75
7.0.00.2600.01014.46

preferences:
53.02 ms | 401 KiB | 5 Q