3v4l.org

run code in 300+ PHP versions simultaneously
<?php for ($a = $b = []; count($a) < 8; $b = &$a[], $b = $a) ; var_dump($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)
8.3.60.0130.00318.30
8.3.50.0080.01321.94
8.3.40.0070.01018.54
8.3.30.0070.01019.04
8.3.20.0070.00320.21
8.3.10.0030.00623.52
8.3.00.0060.00320.71
8.2.180.0120.01216.75
8.2.170.0070.01022.96
8.2.160.0090.00620.39
8.2.150.0060.00324.18
8.2.140.0060.00324.66
8.2.130.0090.00026.16
8.2.120.0110.00020.88
8.2.110.0100.00022.25
8.2.100.0060.00617.66
8.2.90.0050.00319.22
8.2.80.0030.00617.97
8.2.70.0000.00917.63
8.2.60.0030.00617.93
8.2.50.0100.00018.07
8.2.40.0050.00519.82
8.2.30.0030.00618.18
8.2.20.0030.00617.67
8.2.10.0080.00018.11
8.2.00.0050.00317.61
8.1.280.0030.01325.92
8.1.270.0060.00323.96
8.1.260.0060.00326.35
8.1.250.0060.00328.09
8.1.240.0070.00322.19
8.1.230.0120.00018.97
8.1.220.0050.00317.78
8.1.210.0060.00318.77
8.1.200.0030.01017.47
8.1.190.0030.00616.97
8.1.180.0080.00018.10
8.1.170.0040.00418.55
8.1.160.0040.00421.94
8.1.150.0080.00318.55
8.1.140.0030.00617.36
8.1.130.0040.00417.67
8.1.120.0040.00417.35
8.1.110.0040.00417.43
8.1.100.0000.00817.48
8.1.90.0040.00417.41
8.1.80.0000.00817.45
8.1.70.0040.00417.38
8.1.60.0090.00017.53
8.1.50.0000.00917.50
8.1.40.0030.00517.47
8.1.30.0040.00417.55
8.1.20.0080.00017.66
8.1.10.0000.00817.34
8.1.00.0000.01017.34
8.0.300.0030.00618.77
8.0.290.0000.00817.05
8.0.280.0000.00818.28
8.0.270.0040.00417.10
8.0.260.0030.00317.19
8.0.250.0080.00016.78
8.0.240.0040.00416.89
8.0.230.0040.00416.76
8.0.220.0000.00716.73
8.0.210.0030.00316.77
8.0.200.0040.00416.93
8.0.190.0030.00516.89
8.0.180.0000.00816.83
8.0.170.0000.00916.80
8.0.160.0030.00616.95
8.0.150.0070.00016.86
8.0.140.0070.00016.73
8.0.130.0000.00713.30
8.0.120.0060.00316.73
8.0.110.0030.00516.86
8.0.100.0050.00316.76
8.0.90.0030.00516.92
8.0.80.0120.00916.80
8.0.70.0080.00016.77
8.0.60.0080.00016.77
8.0.50.0040.00416.74
8.0.30.0190.00516.82
8.0.20.0140.01017.40
8.0.10.0050.00316.99
8.0.00.0100.01316.67
7.4.330.0030.00315.16
7.4.320.0070.00016.48
7.4.300.0050.00316.58
7.4.290.0040.00416.59
7.4.280.0000.00816.57
7.4.270.0000.00816.57
7.4.260.0100.00016.50
7.4.250.0000.00916.44
7.4.240.0030.00616.56
7.4.230.0100.00016.61
7.4.220.0070.02816.47
7.4.210.0070.01316.61
7.4.200.0050.00216.39
7.4.190.0000.00816.37
7.4.160.0170.00716.39
7.4.150.0180.00717.40
7.4.140.0170.01117.86
7.4.130.0180.01116.54
7.4.120.0230.00316.43
7.4.110.0130.01916.49
7.4.100.0190.00616.36
7.4.90.0090.01516.41
7.4.80.0100.01619.39
7.4.70.0160.00616.45
7.4.60.0150.01516.48
7.4.50.0000.01016.18
7.4.40.0130.00916.43
7.4.30.0070.02016.41
7.3.330.0000.00713.15
7.3.320.0030.00313.18
7.3.310.0060.00316.27
7.3.300.0020.00516.34
7.3.290.0030.02116.34
7.3.280.0070.01416.28
7.3.270.0150.01217.40
7.3.260.0200.00816.72
7.3.250.0170.01216.36
7.3.240.0200.00616.34
7.3.230.0170.00716.39
7.3.210.0090.01616.55
7.3.200.0150.01519.39
7.3.190.0200.00316.59
7.3.180.0160.01216.48
7.3.170.0110.01516.55
7.3.160.0090.01316.25
7.2.330.0160.00816.47
7.2.320.0140.00816.63
7.2.310.0060.01616.39
7.2.300.0150.01516.49
7.2.290.0090.01516.55
5.4.450.3470.03719.59
5.4.440.3270.04319.46
5.4.430.4070.04019.58
5.4.420.3700.04019.32
5.4.410.4070.03719.36
5.4.400.3700.03718.97
5.4.390.4170.04019.16
5.4.380.3870.04318.86
5.4.370.3970.03719.16
5.4.360.4330.03718.96
5.4.350.3830.04019.16
5.4.340.3770.04319.26
5.4.320.3830.03718.87
5.4.310.3530.03719.04
5.4.300.3970.04019.04
5.4.290.3530.04018.99
5.4.280.3770.04019.26
5.4.270.3930.03319.16
5.4.260.3630.03719.12
5.4.250.3670.03019.12
5.4.240.3730.04019.04
5.4.230.4200.03719.15
5.4.220.3930.03318.99
5.4.210.4530.03718.92
5.4.200.4330.03319.25
5.4.190.4030.04019.07
5.4.180.4530.03719.19
5.4.170.3870.04319.25
5.4.160.3970.03719.06
5.4.150.4300.03719.00
5.4.140.3970.03016.43
5.4.130.2270.03016.38
5.4.120.0230.03016.39
5.4.110.3730.03716.45
5.4.100.4770.03316.13
5.4.90.4600.04016.13
5.4.80.1700.03016.25
5.4.70.1270.03716.48
5.4.60.1730.03716.33
5.4.50.3830.03016.30
5.4.40.3970.03016.32
5.4.30.3670.03316.40
5.4.20.2270.04016.36
5.4.10.0470.04316.61
5.4.00.0030.04015.88
5.3.280.4470.03714.52
5.3.270.3700.03314.39
5.3.260.3830.04014.43
5.3.250.3830.03314.50
5.3.240.3770.03014.57
5.3.230.0170.05314.69
5.3.220.0100.07014.36
5.3.210.3270.03314.50
5.3.200.4030.03314.53
5.3.190.4670.04014.36
5.3.180.3900.04314.49
5.3.170.0670.04314.48
5.3.160.2170.04014.49
5.3.150.3400.03014.67
5.3.140.3900.03714.49
5.3.130.3700.03714.34
5.3.120.3170.03714.50
5.3.110.3330.04014.51
5.3.100.0070.03714.02
5.3.90.0430.03713.98
5.3.80.2700.04013.94
5.3.70.2630.03013.99
5.3.60.3100.03713.84
5.3.50.3670.02713.91
5.3.40.3430.03013.88
5.3.30.4230.04013.73
5.3.20.2770.02713.53
5.3.10.3800.03013.59
5.3.00.3870.03013.45

preferences:
46.91 ms | 401 KiB | 5 Q