3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = []; $array['3'] = null; var_dump($array);

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)
8.3.60.0060.01218.31
8.3.50.0060.00816.30
8.3.40.0080.00818.54
8.3.30.0110.00418.70
8.3.20.0040.00424.18
8.3.10.0040.00424.66
8.3.00.0040.00426.16
8.2.180.0090.00925.92
8.2.170.0120.00318.97
8.2.160.0170.00322.96
8.2.150.0020.00525.66
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0070.00026.16
8.2.110.0060.00322.11
8.2.100.0140.00017.91
8.2.90.0080.00017.63
8.2.80.0000.00818.82
8.2.70.0080.00417.78
8.2.60.0040.00418.34
8.2.50.0000.00818.10
8.2.40.0040.00421.20
8.2.30.0050.00319.30
8.2.20.0040.00417.92
8.2.10.0080.00019.11
8.2.00.0030.00519.16
8.1.280.0150.00325.92
8.1.270.0050.00324.66
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0030.01419.20
8.1.230.0080.00317.76
8.1.220.0090.00017.74
8.1.210.0040.00418.77
8.1.200.0070.00417.35
8.1.190.0050.00517.13
8.1.180.0080.00018.10
8.1.170.0000.00918.55
8.1.160.0050.00220.67
8.1.150.0030.00518.85
8.1.140.0000.00718.81
8.1.130.0070.00020.05
8.1.120.0000.00817.34
8.1.110.0000.00717.36
8.1.100.0040.00417.25
8.1.90.0040.00317.41
8.1.80.0040.00417.39
8.1.70.0030.00317.41
8.1.60.0000.00817.56
8.1.50.0090.00017.46
8.1.40.0070.00017.38
8.1.30.0040.00417.52
8.1.20.0030.00617.57
8.1.10.0040.00417.53
8.1.00.0060.00317.32
8.0.300.0040.00420.00
8.0.290.0070.00016.63
8.0.280.0040.00418.29
8.0.270.0050.00316.71
8.0.260.0030.00318.56
8.0.250.0000.01016.89
8.0.240.0040.00416.88
8.0.230.0000.00716.90
8.0.220.0040.00416.79
8.0.210.0000.00716.66
8.0.200.0030.00316.85
8.0.190.0060.00316.88
8.0.180.0040.00416.83
8.0.170.0050.00316.86
8.0.160.0000.00716.92
8.0.150.0080.00016.73
8.0.140.0000.00716.75
8.0.130.0030.00313.22
8.0.120.0080.00016.79
8.0.110.0040.00416.82
8.0.100.0030.00516.71
8.0.90.0080.00016.84
8.0.80.0090.00716.81
8.0.70.0040.00416.67
8.0.60.0000.00716.62
8.0.50.0080.00016.85
8.0.30.0040.01116.70
8.0.20.0080.00816.82
8.0.10.0080.00816.91
8.0.00.0110.00716.95
7.4.330.0040.00015.55
7.4.320.0040.00416.43
7.4.300.0000.00716.49
7.4.290.0030.00516.32
7.4.280.0000.00716.48
7.4.270.0000.00616.45
7.4.260.0050.00013.15
7.4.250.0040.00416.54
7.4.240.0050.00216.41
7.4.230.0000.00716.53
7.4.220.0030.00316.58
7.4.210.0120.00416.40
7.4.200.0000.00716.56
7.4.160.0080.00716.40
7.4.150.0060.01016.56
7.4.140.0060.00916.40
7.4.130.0080.00816.34
7.4.120.0040.01016.55
7.4.110.0060.00816.39
7.4.100.0090.00716.43
7.4.90.0030.01016.39
7.4.80.0070.00716.49
7.4.70.0040.01116.42
7.4.60.0080.00616.50
7.4.50.0070.00716.20
7.4.40.0060.00816.39
7.4.30.0030.01016.47
7.4.20.0070.01016.36
7.4.10.0110.00416.48
7.4.00.0150.00016.56
7.3.330.0050.00216.18
7.3.320.0020.00212.99
7.3.310.0070.00016.13
7.3.300.0030.00316.05
7.3.290.0030.00315.99
7.3.280.0070.00716.26
7.3.270.0120.00316.22
7.3.260.0100.00516.21
7.3.250.0110.00316.27
7.3.240.0060.01316.21
7.3.230.0030.01016.17
7.3.220.0070.00716.14
7.3.210.0130.00016.12
7.3.200.0060.00616.07
7.3.190.0150.00016.17
7.3.180.0090.00616.18
7.3.170.0030.01016.16
7.3.160.0070.00616.10
7.3.150.0070.00716.07
7.3.140.0130.00016.16
7.3.130.0120.00616.13
7.3.120.0030.01016.18
7.3.110.0090.00616.05
7.3.100.0130.00016.10
7.3.90.0070.00716.36
7.3.80.0060.00616.12
7.3.70.0060.00616.29
7.3.60.0070.00716.21
7.3.50.0070.00716.36
7.3.40.0080.00516.22
7.3.30.0030.01016.25
7.3.20.0110.00816.32
7.3.10.0040.01116.32
7.3.00.0140.00016.25

preferences:
45.03 ms | 401 KiB | 5 Q