3v4l.org

run code in 300+ PHP versions simultaneously
<?php $anotherarr = array('b' => 'B'); $arr = array(); $arr['a'] = 'A'; $arr['b'] =& $anotherarr['b']; $arr['c'] = 'C'; var_dump($arr);

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)
8.3.70.0090.00918.43
8.3.60.0140.00316.50
8.3.50.0110.00821.94
8.3.40.0110.00418.57
8.3.30.0040.01118.50
8.3.20.0000.00720.21
8.3.10.0080.00023.52
8.3.00.0000.00720.80
8.2.190.0150.00318.20
8.2.180.0110.00418.16
8.2.170.0090.00622.96
8.2.160.0030.01020.52
8.2.150.0080.00024.18
8.2.140.0030.00524.66
8.2.130.0000.00821.04
8.2.120.0080.00026.35
8.2.110.0100.00022.31
8.2.100.0040.00817.85
8.2.90.0050.00319.23
8.2.80.0030.00517.97
8.2.70.0000.00817.50
8.2.60.0000.00817.80
8.2.50.0040.00418.07
8.2.40.0030.00822.13
8.2.30.0070.00020.48
8.2.20.0000.00717.67
8.2.10.0040.00417.95
8.2.00.0040.00418.00
8.1.280.0120.00325.92
8.1.270.0060.01220.43
8.1.260.0080.00028.09
8.1.250.0070.00028.09
8.1.240.0060.00323.88
8.1.230.0120.00017.52
8.1.220.0060.00317.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0040.00417.35
8.1.180.0070.00018.10
8.1.170.0040.00418.33
8.1.160.0040.00420.73
8.1.150.0070.00018.77
8.1.140.0000.00819.48
8.1.130.0050.00317.62
8.1.120.0030.00417.29
8.1.110.0030.00517.28
8.1.100.0070.00017.33
8.1.90.0000.00717.28
8.1.80.0000.00717.43
8.1.70.0040.00417.38
8.1.60.0060.00617.40
8.1.50.0050.00317.35
8.1.40.0050.00317.49
8.1.30.0000.00817.54
8.1.20.0000.00817.47
8.1.10.0080.00017.61
8.1.00.0000.00817.42
8.0.300.0060.00318.77
8.0.290.0040.00416.63
8.0.280.0000.00718.34
8.0.270.0000.00717.11
8.0.260.0000.00717.23
8.0.250.0030.00316.77
8.0.240.0000.00716.87
8.0.230.0000.00716.86
8.0.220.0080.00016.86
8.0.210.0040.00416.81
8.0.200.0030.00316.88
8.0.190.0000.00816.88
8.0.180.0030.00616.77
8.0.170.0000.00716.86
8.0.160.0030.00416.86
8.0.150.0030.00516.66
8.0.140.0070.00016.67
8.0.130.0030.00313.20
8.0.120.0030.00516.80
8.0.110.0000.00716.63
8.0.100.0040.00416.88
8.0.90.0040.00416.68
8.0.80.0130.00416.79
8.0.70.0000.00716.71
8.0.60.0050.00316.81
8.0.50.0070.00016.70
8.0.30.0070.00917.18
8.0.20.0130.00817.40
8.0.10.0030.00316.73
8.0.00.0110.00816.63
7.4.330.0000.00616.78
7.4.320.0030.00316.54
7.4.300.0030.00316.44
7.4.290.0040.00416.44
7.4.280.0040.00416.43
7.4.270.0030.00316.43
7.4.260.0040.00416.27
7.4.250.0040.00416.39
7.4.240.0030.00316.36
7.4.230.0040.00416.31
7.4.220.0090.00916.46
7.4.210.0070.01516.55
7.4.200.0080.00016.50
7.4.160.0060.00916.29
7.4.150.0060.01217.40
7.4.140.0100.01017.86
7.4.130.0120.00516.40
7.4.120.0080.00916.40
7.4.110.0070.01016.40
7.4.100.0120.00616.38
7.4.90.0060.01316.48
7.4.80.0060.01219.39
7.4.70.0060.01416.54
7.4.60.0070.01116.34
7.4.50.0060.00916.47
7.4.40.0090.00916.50
7.4.30.0070.01016.55
7.4.00.0060.00914.97
7.3.330.0000.00613.10
7.3.320.0050.00013.08
7.3.310.0020.00516.09
7.3.300.0070.00016.06
7.3.290.0100.00516.18
7.3.280.0080.01016.20
7.3.270.0130.00317.40
7.3.260.0060.01216.23
7.3.250.0100.00716.24
7.3.240.0100.01016.32
7.3.230.0110.00816.39
7.3.210.0060.01016.15
7.3.200.0040.01216.19
7.3.190.0050.01116.04
7.3.180.0100.00616.18
7.3.170.0030.01416.29
7.3.160.0120.00416.30
7.2.330.0090.00916.36
7.2.320.0030.01516.56
7.2.310.0080.00816.28
7.2.300.0090.00916.54
7.2.290.0000.01616.42
7.2.00.0070.01119.29
7.1.100.0030.01017.91
7.1.70.0040.00417.24
7.1.60.0110.01519.52
7.1.50.0130.00616.98
7.1.00.0030.07722.30
7.0.200.0000.01016.75
7.0.60.0000.08719.98
7.0.50.0070.07317.88
7.0.40.0070.08320.06
7.0.30.0370.06020.17
7.0.20.0400.08020.20
7.0.10.0030.09020.09
7.0.00.0070.08320.18
5.6.280.0030.03320.85
5.6.210.0070.08020.60
5.6.200.0030.07018.18
5.6.190.0100.07720.43
5.6.180.0130.05720.61
5.6.170.0300.07720.41
5.6.160.0000.08720.33
5.6.150.0030.04018.25
5.6.140.0030.04018.07
5.6.130.0100.04318.12
5.6.120.0000.07020.97
5.6.110.0100.04020.99
5.6.100.0170.07320.96
5.6.90.0000.04720.99
5.6.80.0070.05320.39
5.5.350.4100.04720.44
5.5.340.0070.05718.01
5.5.330.0100.08020.29
5.5.320.0300.07720.21
5.5.310.0200.06020.13
5.5.300.0000.04318.00
5.5.290.0030.09017.96
5.5.280.0070.07320.87
5.5.270.0070.05020.66
5.5.260.0130.08020.85
5.5.250.0030.08020.70
5.5.240.0200.06320.25

preferences:
18.2 ms | 401 KiB | 5 Q