3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = ['cat', 'dog', 'horse']; $a =& $array[2]; $a = $array[0]; echo "$a\n"; $a = $array[1]; echo "$a\n"; $a = $array[2]; echo "$a\n";

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)
8.5.30.0100.00619.53
8.5.20.0100.00818.77
8.5.10.0090.00916.62
8.5.00.0090.01320.02
8.4.180.0140.00819.64
8.4.170.0160.00523.99
8.4.160.0150.00723.93
8.4.150.0080.00416.82
8.4.140.0130.00817.84
8.4.130.0090.00717.67
8.4.120.0080.00320.47
8.4.110.0080.01219.00
8.4.100.0150.00617.46
8.4.90.0110.00918.53
8.4.80.0080.00417.60
8.4.70.0060.00218.71
8.4.60.0060.00818.78
8.4.50.0100.01020.30
8.4.40.0130.00619.52
8.4.30.0130.00617.32
8.4.20.0130.00717.65
8.4.10.0040.00419.63
8.3.300.0120.00920.09
8.3.290.0080.01320.62
8.3.280.0130.00718.31
8.3.270.0110.00916.63
8.3.260.0080.00116.74
8.3.250.0030.00618.85
8.3.240.0020.00616.81
8.3.230.0120.00716.59
8.3.220.0110.00717.20
8.3.210.0110.00816.64
8.3.200.0060.00316.72
8.3.190.0100.00419.02
8.3.180.0080.00718.61
8.3.170.0150.00418.61
8.3.160.0100.00317.44
8.3.150.0070.01116.70
8.3.140.0030.01218.76
8.3.130.0090.00018.36
8.3.120.0030.00620.67
8.3.110.0090.00020.94
8.3.100.0090.00924.06
8.3.90.0000.00726.77
8.3.80.0030.00618.18
8.3.70.0100.01016.63
8.3.60.0180.00418.43
8.3.50.0110.00817.33
8.3.40.0040.01118.80
8.3.30.0040.01118.79
8.3.20.0090.00020.25
8.3.10.0040.00420.89
8.3.00.0040.00420.80
8.2.300.0120.01218.82
8.2.290.0090.00920.13
8.2.280.0090.00618.53
8.2.270.0070.00016.88
8.2.260.0120.00316.68
8.2.250.0130.00616.55
8.2.240.0050.00318.84
8.2.230.0000.01122.58
8.2.220.0040.01137.54
8.2.210.0080.00026.77
8.2.200.0090.00016.75
8.2.190.0030.01316.63
8.2.180.0140.00416.50
8.2.170.0070.01122.96
8.2.160.0070.00719.41
8.2.150.0050.00324.18
8.2.140.0000.00824.66
8.2.130.0000.00721.18
8.2.120.0040.00426.35
8.2.110.0090.00022.13
8.2.100.0060.00618.03
8.2.90.0050.00319.14
8.2.80.0000.00818.05
8.2.70.0000.00817.50
8.2.60.0060.00317.90
8.2.50.0000.00918.10
8.2.40.0000.00822.38
8.2.30.0000.00819.23
8.2.20.0030.00518.12
8.2.10.0040.00418.17
8.2.00.0040.00418.18
8.1.340.0120.00820.02
8.1.330.0140.00621.84
8.1.320.0080.01116.04
8.1.310.0110.00716.24
8.1.300.0060.00318.44
8.1.290.0070.00430.84
8.1.280.0060.01225.92
8.1.270.0060.00322.07
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00323.97
8.1.230.0040.00822.08
8.1.220.0040.00417.77
8.1.210.0080.00518.77
8.1.200.0040.00417.23
8.1.190.0060.00317.10
8.1.180.0040.00418.10
8.1.170.0040.00418.59
8.1.160.0050.00319.06
8.1.150.0000.00718.70
8.1.140.0000.00819.58
8.1.130.0030.00318.82
8.1.120.0000.00717.32
8.1.110.0020.00517.30
8.1.100.0080.00017.38
8.1.90.0040.00417.30
8.1.80.0000.00817.44
8.1.70.0000.00817.38
8.1.60.0080.00017.40
8.1.50.0000.00917.29
8.1.40.0040.00417.46
8.1.30.0040.00417.52
8.1.20.0030.00617.49
8.1.10.0030.00517.60
8.1.00.0060.00317.40
8.0.300.0000.00718.77
8.0.290.0000.00716.75
8.0.280.0060.00018.44
8.0.270.0070.00017.17
8.0.260.0000.00720.59
8.0.250.0060.00016.97
8.0.240.0000.00716.84
8.0.230.0030.00316.92
8.0.220.0040.00416.88
8.0.210.0090.00016.86
8.0.200.0040.00416.94
8.0.190.0000.00816.79
8.0.180.0000.00716.94
8.0.170.0000.00816.80
8.0.160.0050.00416.88
8.0.150.0040.00416.69
8.0.140.0030.00416.78
8.0.130.0030.00313.32
8.0.120.0000.00716.82
8.0.110.0040.00416.68
8.0.100.0000.00716.91
8.0.90.0030.00616.93
8.0.80.0110.00816.92
8.0.70.0070.00016.74
8.0.60.0000.00816.88
8.0.50.0040.00416.85
8.0.30.0090.00917.20
8.0.20.0080.01017.40
8.0.10.0040.00416.76
8.0.00.0130.00316.61
7.4.330.0020.00215.55
7.4.320.0000.00616.34
7.4.300.0000.00716.45
7.4.290.0040.00416.51
7.4.280.0070.00016.41
7.4.270.0000.00716.35
7.4.260.0040.00416.56
7.4.250.0070.00016.37
7.4.240.0040.00316.59
7.4.230.0070.00016.54
7.4.220.0130.00616.30
7.4.210.0110.00416.51
7.4.200.0000.00716.57
7.4.160.0080.00716.46
7.4.150.0180.00017.40
7.4.140.0090.00817.86
7.4.130.0080.01616.48
7.4.120.0100.00816.49
7.4.110.0120.00716.31
7.4.100.0110.01116.65
7.4.90.0030.01316.58
7.4.80.0060.01119.39
7.4.70.0110.00716.47
7.4.60.0060.00916.41
7.4.50.0070.01016.62
7.4.40.0100.00616.34
7.4.30.0120.00616.64
7.4.00.0140.00014.96
7.3.330.0000.00513.02
7.3.320.0030.00313.25
7.3.310.0030.00316.34
7.3.300.0030.00516.27
7.3.290.0050.01016.34
7.3.280.0100.00716.30
7.3.270.0110.00717.40
7.3.260.0120.00816.49
7.3.250.0110.00916.41
7.3.240.0070.01016.47
7.3.230.0120.00916.29
7.3.210.0130.00316.40
7.3.200.0060.01016.34
7.3.190.0070.01016.65
7.3.180.0130.00316.55
7.3.170.0070.01016.41
7.3.160.0040.01116.38
7.2.330.0070.01116.42
7.2.320.0100.01316.77
7.2.310.0080.01016.66
7.2.300.0160.00016.34
7.2.290.0130.00316.61
7.2.60.0120.00316.87
7.1.200.0090.00615.77
7.1.70.0040.01317.03
7.1.60.0300.00634.96
7.1.50.0140.02834.94
7.1.40.0240.01734.38
7.1.30.0280.01434.40
7.1.20.0300.01334.50
7.1.10.0030.01616.45
7.1.00.0040.01916.70
7.0.200.0120.00816.89
7.0.190.0030.01716.62
7.0.180.0100.01016.27
7.0.170.0040.01616.18
7.0.160.0090.01216.27
7.0.150.0050.01416.11
7.0.140.0120.00916.12
7.0.130.0070.01416.46
7.0.120.0070.01216.79
7.0.110.0060.01216.44
7.0.100.0070.01216.13
7.0.90.0040.01616.42
7.0.80.0000.02016.47
7.0.70.0100.01016.29
7.0.60.0100.01016.04
7.0.50.0060.01516.57
7.0.40.0030.01616.55
7.0.30.0130.00716.69
7.0.20.0110.01216.59
7.0.10.0040.01816.39
7.0.00.0070.01316.39

preferences:
109.99 ms | 1431 KiB | 5 Q