3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [ [0 => '0', 1 => '1'] ]; foreach ($a as $key => $value) { $a[$key] = '2'; } 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)
8.3.60.0090.00916.63
8.3.50.0100.00719.73
8.3.40.0000.02018.55
8.3.30.0110.00418.79
8.3.20.0030.00618.86
8.3.10.0040.00421.73
8.3.00.0060.00320.96
8.2.180.0160.01016.50
8.2.170.0040.01122.96
8.2.160.0100.00320.38
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0000.00721.12
8.2.120.0060.00326.35
8.2.110.0040.00422.27
8.2.100.0040.00817.84
8.2.90.0000.00817.75
8.2.80.0000.00817.97
8.2.70.0000.00817.80
8.2.60.0030.00517.93
8.2.50.0000.00818.10
8.2.40.0020.00520.57
8.2.30.0000.00719.31
8.2.20.0050.00218.11
8.2.10.0040.00418.00
8.2.00.0040.00417.71
8.1.280.0070.01425.92
8.1.270.0000.00823.99
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0060.00322.07
8.1.230.0110.00017.77
8.1.220.0060.00317.74
8.1.210.0050.00318.77
8.1.200.0030.00617.35
8.1.190.0040.00417.13
8.1.180.0040.00418.10
8.1.170.0040.00418.84
8.1.160.0070.00018.82
8.1.150.0000.00720.20
8.1.140.0040.00419.53
8.1.130.0070.00017.60
8.1.120.0000.00717.39
8.1.110.0060.00317.52
8.1.100.0000.00817.43
8.1.90.0000.00717.32
8.1.80.0000.00817.51
8.1.70.0000.00717.45
8.1.60.0060.00317.54
8.1.50.0040.00417.51
8.1.40.0000.00817.53
8.1.30.0040.00417.65
8.1.20.0040.00417.64
8.1.10.0000.00817.52
8.1.00.0070.00017.44
8.0.300.0000.00718.77
8.0.290.0040.00416.58
8.0.280.0000.00718.47
8.0.270.0000.00717.25
8.0.260.0070.00017.32
8.0.250.0030.00516.96
8.0.240.0060.00016.96
8.0.230.0000.00816.94
8.0.220.0000.00716.89
8.0.210.0030.00316.87
8.0.200.0000.00616.94
8.0.190.0040.00416.96
8.0.180.0070.00016.90
8.0.170.0040.00416.94
8.0.160.0000.00816.85
8.0.150.0030.00316.82
8.0.140.0070.00016.75
8.0.130.0060.00013.36
8.0.120.0000.00816.87
8.0.110.0000.00816.78
8.0.100.0070.00016.76
8.0.90.0060.00316.84
8.0.80.0080.00616.95
8.0.70.0040.00416.69
8.0.60.0040.00416.77
8.0.50.0030.00516.93
8.0.30.0130.00817.08
8.0.20.0080.01017.40
8.0.10.0040.00416.88
8.0.00.0080.00816.75
7.4.330.0050.00015.55
7.4.320.0000.00616.57
7.4.300.0000.00716.52
7.4.290.0000.00716.57
7.4.280.0070.00016.48
7.4.270.0050.00216.51
7.4.260.0070.00016.50
7.4.250.0000.00716.45
7.4.240.0030.00316.58
7.4.230.0000.00716.49
7.4.220.0070.02016.63
7.4.210.0100.01016.67
7.4.200.0030.00316.59
7.4.160.0060.01016.41
7.4.150.0110.00817.40
7.4.140.0110.01117.86
7.4.130.0050.01116.51
7.4.120.0070.01016.47
7.4.110.0070.01916.45
7.4.100.0060.00916.52
7.4.90.0100.00616.58
7.4.80.0100.00619.39
7.4.70.0080.00816.66
7.4.60.0100.00916.52
7.4.50.0070.00716.57
7.4.40.0110.00716.64
7.4.30.0100.00616.36
7.4.00.0130.00315.06
7.3.330.0030.00313.13
7.3.320.0050.00013.23
7.3.310.0000.00716.39
7.3.300.0000.00716.34
7.3.290.0110.00516.35
7.3.280.0130.00516.33
7.3.270.0070.01017.40
7.3.260.0090.00916.44
7.3.250.0130.00616.48
7.3.240.0140.00816.29
7.3.230.0160.00416.39
7.3.210.0100.00716.31
7.3.200.0150.00316.57
7.3.190.0120.00316.33
7.3.180.0090.00616.21
7.3.170.0060.01016.38
7.3.160.0100.00616.30
7.2.330.0090.00916.65
7.2.320.0140.00316.45
7.2.310.0040.01416.34
7.2.300.0030.02016.46
7.2.290.0060.01016.38
7.2.60.0000.01516.71
7.2.50.0070.00716.75
7.2.00.0080.00819.40
7.1.200.0100.00315.63
7.1.70.0000.00816.93
7.1.60.0000.01117.25
7.1.00.0100.07022.46
7.0.200.0390.00014.86
7.0.130.0100.05322.03
7.0.120.0100.05022.05
7.0.110.0100.05321.94
7.0.100.0100.05322.15
7.0.90.0030.06022.15
7.0.80.0100.05322.13
7.0.70.0070.05322.18
7.0.60.0070.05322.05
7.0.50.0070.07722.10
7.0.40.0070.05322.16
7.0.30.0030.05721.97
7.0.20.0030.05722.08
7.0.10.0030.05721.99
7.0.00.0030.06722.19
5.6.280.0070.05321.01
5.6.270.0130.05021.14
5.6.260.0130.04720.99
5.6.250.0100.05320.87
5.6.240.0130.05720.75
5.6.230.0030.06020.99
5.6.220.0130.05320.97
5.6.210.0100.05321.06
5.6.200.0030.06020.83
5.6.190.0070.05720.98
5.6.180.0070.07321.01
5.6.170.0100.05020.83
5.6.160.0070.06020.99
5.6.150.0030.07021.06
5.6.140.0100.05321.00
5.6.130.0130.05320.98
5.6.120.0070.06021.02
5.6.110.0270.06720.84
5.6.100.0070.08720.82
5.6.90.0170.05320.91
5.6.80.0130.05020.38
5.6.70.0030.06020.23
5.6.60.0000.07320.22
5.6.50.0070.05320.32
5.6.40.0200.04020.38
5.6.30.0030.06020.29
5.6.20.0000.07020.21
5.6.10.0170.05020.28
5.6.00.0100.05720.36

preferences:
59.57 ms | 400 KiB | 5 Q