3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=[1]; $a[]=&$a; print_r($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)
8.4.120.0100.00920.49
8.4.110.0140.00618.55
8.4.100.0040.00617.66
8.4.90.0140.00618.60
8.4.80.0060.00319.42
8.4.70.0040.00517.71
8.4.60.0110.00818.76
8.4.50.0090.01123.83
8.4.40.0130.00619.20
8.4.30.0170.00320.15
8.4.20.0120.00819.50
8.4.10.0080.00020.57
8.3.250.0100.00918.79
8.3.240.0110.00816.73
8.3.230.0100.00916.54
8.3.220.0060.00217.36
8.3.210.0070.00118.35
8.3.200.0070.00316.56
8.3.190.0110.00417.04
8.3.180.0070.01116.68
8.3.170.0130.00417.05
8.3.160.0160.00620.73
8.3.150.0150.00320.74
8.3.140.0030.00616.67
8.3.130.0080.00018.57
8.3.120.0120.00320.63
8.3.110.0090.00020.94
8.3.100.0040.00424.06
8.3.90.0120.00616.59
8.3.80.0060.00319.36
8.3.70.0120.00616.75
8.3.60.0110.00716.63
8.3.50.0120.00924.58
8.3.40.0120.00320.52
8.3.30.0120.00918.52
8.3.20.0080.00024.18
8.3.10.0060.00324.66
8.3.00.0000.00826.16
8.2.290.0060.00220.51
8.2.280.0050.00318.22
8.2.270.0130.00617.01
8.2.260.0140.00419.00
8.2.250.0080.00816.86
8.2.240.0040.00417.09
8.2.230.0090.00022.58
8.2.220.0030.00537.54
8.2.210.0130.00726.77
8.2.200.0050.00516.63
8.2.190.0060.01216.75
8.2.180.0030.01025.92
8.2.170.0110.00422.96
8.2.160.0110.00422.96
8.2.150.0070.00025.66
8.2.140.0040.00424.66
8.2.130.0030.00626.16
8.2.120.0040.00426.35
8.2.110.0080.00319.36
8.2.100.0000.01117.59
8.2.90.0060.00318.16
8.2.80.0040.00418.98
8.2.70.0070.00317.93
8.2.60.0000.00718.03
8.2.50.0040.00718.10
8.2.40.0040.00419.22
8.2.30.0050.00319.22
8.2.20.0070.00018.11
8.2.10.0050.00219.09
8.2.00.0040.00419.05
8.1.330.0100.00921.80
8.1.320.0060.00416.06
8.1.310.0060.00916.87
8.1.300.0080.00817.68
8.1.290.0030.00618.88
8.1.280.0100.00325.92
8.1.270.0000.00723.99
8.1.260.0000.00728.09
8.1.250.0050.00328.09
8.1.240.0060.00322.05
8.1.230.0090.00620.85
8.1.220.0030.00517.74
8.1.210.0080.00018.91
8.1.200.0060.00317.25
8.1.190.0050.00317.10
8.1.180.0040.00418.10
8.1.170.0040.00418.51
8.1.160.0000.01018.92
8.1.150.0040.00418.78
8.1.140.0000.00718.69
8.1.130.0000.00720.07
8.1.120.0040.00417.29
8.1.110.0000.00817.37
8.1.100.0000.00817.40
8.1.90.0000.00717.38
8.1.80.0040.00717.21
8.1.70.0070.00017.27
8.1.60.0000.00917.39
8.1.50.0040.00417.48
8.1.40.0040.00417.41
8.1.30.0050.00217.52
8.1.20.0040.00417.63
8.1.10.0040.00417.43
8.1.00.0030.00517.34
8.0.300.0040.00420.08
8.0.290.0040.00416.63
8.0.280.0070.00018.29
8.0.270.0000.00716.79
8.0.260.0070.00018.33
8.0.250.0040.00416.89
8.0.240.0040.00416.87
8.0.230.0000.00716.87
8.0.220.0060.00016.85
8.0.210.0030.00316.83
8.0.200.0030.00316.94
8.0.190.0080.00016.80
8.0.180.0080.00316.74
8.0.170.0040.00416.73
8.0.160.0050.00216.90
8.0.150.0040.00416.73
8.0.140.0070.00016.77
8.0.130.0030.00313.18
8.0.120.0000.00716.79
8.0.110.0000.00916.84
8.0.100.0080.00016.66
8.0.90.0040.00416.88
8.0.80.0050.01516.76
8.0.70.0030.00616.84
8.0.60.0070.00016.88
8.0.50.0050.00216.86
8.0.30.0040.01317.08
8.0.20.0090.01016.92
8.0.10.0030.00516.94
8.0.00.0090.01216.73
7.4.330.0000.00515.55
7.4.320.0060.00016.43
7.4.300.0060.00016.50
7.4.290.0070.00016.33
7.4.280.0070.00116.34
7.4.270.0000.00816.48
7.4.260.0030.00313.22
7.4.250.0000.00716.50
7.4.240.0020.00516.33
7.4.230.0030.00316.64
7.4.220.0050.00216.46
7.4.210.0060.00716.48
7.4.200.0000.00816.54
7.4.130.0080.00816.39
7.4.120.0080.00816.43
7.4.110.0100.00716.56
7.4.100.0120.00616.42
7.4.90.0060.01216.41
7.4.80.0100.00916.42
7.4.70.0090.01016.51
7.4.60.0120.00816.51
7.4.50.0100.00916.40
7.4.40.0140.01516.35
7.4.30.0090.01016.33
7.4.20.0120.00516.41
7.4.10.0130.00816.46
7.4.00.0100.00916.47
7.3.330.0070.00016.01
7.3.320.0030.00313.09
7.3.310.0030.00316.06
7.3.300.0030.00316.15
7.3.290.0070.01216.24
7.3.260.0090.01216.45
7.3.230.0150.00316.53
7.3.220.0050.01216.32
7.3.210.0050.01316.26
7.3.200.0130.00716.40
7.3.190.0060.01216.17
7.3.180.0090.00916.24
7.3.170.0070.01116.31
7.3.160.0100.00916.20
7.3.150.0090.01016.23
7.3.140.0130.00716.26
7.3.130.0130.00616.28
7.3.120.0090.00816.21
7.3.110.0090.01116.16
7.3.100.0100.01016.38
7.3.90.0110.00616.37
7.3.80.0100.00716.26
7.3.70.0070.01316.39
7.3.60.0080.01116.16
7.3.50.0110.00916.24
7.3.40.0120.01216.23
7.3.30.0100.00916.26
7.3.20.0270.00816.19
7.3.10.0110.00816.21
7.3.00.0110.01016.24
7.2.330.0070.01116.43
7.2.320.0090.01216.51
7.2.310.0110.01016.51
7.2.300.0140.00716.53
7.2.290.0120.00816.50
7.2.280.0100.01116.40
7.2.270.0110.00816.41
7.2.260.0110.00916.40
7.2.250.0080.01216.44
7.2.240.0110.00716.57
7.2.230.0110.00816.52
7.2.220.0110.00616.57
7.2.210.0070.01416.42
7.2.200.0110.00916.44
7.2.190.0100.00816.37
7.2.180.0100.00916.45
7.2.170.0090.00816.38
7.2.160.0070.01216.37
7.2.150.0110.00916.52
7.2.140.0120.00816.56
7.2.130.0120.00616.50
7.2.120.0090.01216.47
7.2.110.0120.00816.51
7.2.100.0120.00816.46
7.2.90.0100.01016.50
7.2.80.0100.00916.51
7.2.70.0080.01116.45
7.2.60.0140.00916.39
7.2.50.0110.00916.43
7.2.40.0110.00916.53
7.2.30.0170.01016.53
7.2.20.0090.01116.38
7.2.10.0130.01016.37
7.2.00.0110.01016.44

preferences:
27.17 ms | 403 KiB | 5 Q