3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=['a', null=>'']; var_dump($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)
8.3.60.0000.01716.63
8.3.50.0080.00616.17
8.3.40.0170.00318.63
8.3.30.0070.00718.41
8.3.20.0080.00018.35
8.3.10.0040.00421.73
8.3.00.0040.00423.52
8.2.180.0080.00616.50
8.2.170.0030.01022.96
8.2.160.0100.00320.52
8.2.150.0000.00824.18
8.2.140.0030.00524.66
8.2.130.0040.00419.70
8.2.120.0050.00226.35
8.2.110.0090.00022.18
8.2.100.0080.00317.72
8.2.90.0040.00419.08
8.2.80.0080.00017.97
8.2.70.0090.00017.50
8.2.60.0030.00517.91
8.2.50.0040.00418.22
8.2.40.0040.00420.59
8.2.30.0000.00719.16
8.2.20.0020.00517.99
8.2.10.0040.00417.98
8.2.00.0050.00217.60
8.1.280.0070.00725.92
8.1.270.0050.00322.09
8.1.260.0080.00028.09
8.1.250.0070.00028.09
8.1.240.0060.00322.53
8.1.230.0090.00317.53
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0000.00917.35
8.1.190.0040.00417.00
8.1.180.0040.00418.10
8.1.170.0040.00418.65
8.1.160.0050.00520.57
8.1.150.0030.00520.18
8.1.140.0000.00719.38
8.1.130.0070.00017.54
8.1.120.0040.00417.43
8.1.110.0080.00017.38
8.1.100.0030.00517.40
8.1.90.0030.00517.35
8.1.80.0050.00317.38
8.1.70.0030.00617.36
8.1.60.0060.00317.56
8.1.50.0030.00617.49
8.1.40.0030.00617.46
8.1.30.0040.00417.62
8.1.20.0030.00517.60
8.1.10.0040.00417.45
8.1.00.0000.00717.30
8.0.300.0040.00418.77
8.0.290.0060.00316.63
8.0.280.0030.00318.36
8.0.270.0050.00217.06
8.0.260.0030.00317.21
8.0.250.0000.00716.76
8.0.240.0060.00016.89
8.0.230.0000.00716.93
8.0.220.0000.00716.81
8.0.210.0040.00416.87
8.0.200.0070.00016.91
8.0.190.0090.00316.91
8.0.180.0000.00716.86
8.0.170.0000.00716.85
8.0.160.0000.00816.78
8.0.150.0030.00616.74
8.0.140.0070.00316.76
8.0.130.0070.00013.20
8.0.120.0080.00016.80
8.0.110.0000.00716.90
8.0.100.0000.00716.88
8.0.90.0080.00016.59
8.0.80.0110.00716.86
8.0.70.0060.00316.64
8.0.60.0000.00716.81
8.0.50.0000.00716.83
8.0.30.0120.00616.99
8.0.20.0100.01117.40
8.0.10.0040.00416.76
8.0.00.0070.01116.76
7.4.330.0050.00015.55
7.4.320.0030.00316.45
7.4.300.0070.00016.55
7.4.290.0030.00316.51
7.4.280.0000.00816.52
7.4.270.0070.00016.55
7.4.260.0040.00416.52
7.4.250.0000.00716.49
7.4.240.0000.00716.34
7.4.230.0000.00716.32
7.4.220.0130.00316.51
7.4.210.0030.01316.39
7.4.200.0040.00416.55
7.4.160.0080.01016.33
7.4.150.0120.00617.40
7.4.140.0090.00917.86
7.4.130.0070.01316.49
7.4.120.0100.00716.34
7.4.110.0070.01016.33
7.4.100.0060.01316.35
7.4.90.0110.01116.47
7.4.80.0190.00419.39
7.4.70.0060.01016.32
7.4.60.0130.00316.38
7.4.50.0070.01016.33
7.4.40.0120.00916.36
7.4.30.0120.01316.34
7.4.00.0070.00714.56
7.3.330.0000.00513.05
7.3.320.0050.00013.00
7.3.310.0030.00316.20
7.3.300.0040.00416.11
7.3.290.0050.00916.09
7.3.280.0110.00816.13
7.3.270.0150.00417.40
7.3.260.0140.00316.25
7.3.250.0100.00716.14
7.3.240.0080.00916.26
7.3.230.0080.00816.39
7.3.210.0100.00716.09
7.3.200.0060.00916.13
7.3.190.0070.01016.28
7.3.180.0070.01016.08
7.3.170.0030.01416.45
7.3.160.0040.01116.18
7.3.10.0030.01416.30
7.3.00.0000.01116.70
7.2.330.0070.01116.33
7.2.320.0070.01016.30
7.2.310.0100.01016.26
7.2.300.0130.01016.17
7.2.290.0080.00816.38
7.2.130.0060.01316.47
7.2.120.0030.00916.77
7.2.110.0040.01016.84
7.2.100.0060.00916.54
7.2.90.0100.00016.73
7.2.80.0110.00316.53
7.2.70.0030.01016.59
7.2.60.0050.00516.66
7.2.50.0000.01216.56
7.2.40.0040.00816.73
7.2.30.0100.00316.71
7.2.20.0000.01216.59
7.2.10.0080.00416.84
7.2.00.0050.00717.99
7.1.250.0110.00415.74
7.1.200.0120.00015.85
7.1.100.0000.01418.13
7.1.70.0030.01217.06
7.1.60.0060.00616.86
7.1.00.0070.07322.45
7.0.200.0310.00614.54
7.0.120.0000.06022.05
7.0.110.0100.05722.08
7.0.100.0100.05022.17
7.0.90.0070.06021.99
7.0.80.0070.05322.14
7.0.70.0070.05322.14
7.0.60.0070.05321.97
7.0.50.0030.06322.13
7.0.40.0000.05722.12
7.0.30.0130.04722.14
7.0.20.0070.05322.12
7.0.10.0000.06022.20
7.0.00.0030.05722.06
5.6.270.0070.05320.79
5.6.260.0070.05321.10
5.6.250.0070.05721.04
5.6.240.0100.07320.83
5.6.230.0130.05020.93
5.6.220.0030.06021.08
5.6.210.0000.06020.96
5.6.200.0070.05721.06
5.6.190.0070.05321.00
5.6.180.0100.05020.80
5.6.170.0070.05321.06
5.6.160.0170.04320.75
5.6.150.0100.05021.03
5.6.140.0000.06021.00
5.6.130.0070.05320.94
5.6.120.0030.05721.07
5.6.110.0070.05320.99
5.6.100.0100.05320.78
5.6.90.0100.05020.82
5.6.80.0100.04720.38
5.6.70.0030.05320.38
5.6.60.0070.05320.43
5.6.50.0030.05320.39
5.6.40.0000.05720.29
5.6.30.0170.04320.28
5.6.20.0100.06720.29
5.6.10.0030.05320.15
5.6.00.0030.05320.35

preferences:
36.44 ms | 400 KiB | 5 Q