3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=array('title'=>'a','arr'=>[]); $b=array('title'=>'b','arr'=>[]); $b=array('title'=>'c','arr'=>[]); $arr=Array(); $map=Array(); $arr[1]=&$a; $map[0]=&$a; $map[1]=&$b; $map[2]=&$c; $map[0]['arr'][22]=&$b; //$map[1]['arr'][33]=$c; ?><h2>MAP</h2><? var_dump($map); ?><h2>ARR</h2><? var_dump($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)
8.3.60.0140.00716.63
8.3.50.0100.00921.08
8.3.40.0090.00618.44
8.3.30.0110.00418.84
8.3.20.0090.00020.05
8.3.10.0040.00423.66
8.3.00.0080.00019.68
8.2.180.0090.00916.63
8.2.170.0120.00322.96
8.2.160.0130.00320.39
8.2.150.0000.00924.18
8.2.140.0030.00624.66
8.2.130.0080.00026.16
8.2.120.0050.00317.75
8.2.110.0090.00021.96
8.2.100.0030.00919.36
8.2.90.0080.00019.19
8.2.80.0040.00417.97
8.2.70.0050.00317.49
8.2.60.0070.00318.05
8.2.50.0080.00018.07
8.2.40.0040.00419.28
8.2.30.0000.00719.32
8.2.20.0040.00417.68
8.2.10.0040.00418.00
8.2.00.0090.00018.05
8.1.280.0030.01325.92
8.1.270.0040.00422.00
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0090.00022.57
8.1.230.0040.00817.48
8.1.220.0040.00417.74
8.1.210.0030.00618.77
8.1.200.0070.00317.22
8.1.190.0030.00617.23
8.1.180.0050.00218.10
8.1.170.0030.00518.25
8.1.160.0050.00322.06
8.1.150.0000.00718.77
8.1.140.0040.00417.34
8.1.130.0000.00717.55
8.1.120.0040.00417.38
8.1.110.0050.00317.29
8.1.100.0000.00817.23
8.1.90.0000.00717.33
8.1.80.0000.00817.43
8.1.70.0030.00317.31
8.1.60.0000.00817.41
8.1.50.0040.00417.52
8.1.40.0030.00717.41
8.1.30.0000.00817.49
8.1.20.0000.00817.62
8.1.10.0030.00617.54
8.1.00.0070.00017.45
8.0.300.0000.00718.77
8.0.290.0000.00716.63
8.0.280.0030.00318.38
8.0.270.0000.00717.33
8.0.260.0030.00317.27
8.0.250.0070.00016.87
8.0.240.0060.00316.77
8.0.230.0050.00316.87
8.0.220.0000.00716.72
8.0.210.0030.00316.90
8.0.200.0030.00316.80
8.0.190.0000.00816.87
8.0.180.0080.00016.87
8.0.170.0060.00316.80
8.0.160.0030.00316.97
8.0.150.0040.00416.80
8.0.140.0040.00416.80
8.0.130.0030.00313.28
8.0.120.0040.00416.84
8.0.110.0000.00816.93
8.0.100.0000.00816.88
8.0.90.0000.00716.79
8.0.80.0090.00616.84
8.0.70.0040.00416.67
8.0.60.0040.00416.69
8.0.50.0040.00416.80
8.0.30.0130.00617.13
8.0.20.0140.00817.40
8.0.10.0030.00316.95
8.0.00.0130.00616.66
7.4.330.0060.00015.08
7.4.320.0030.00316.35
7.4.300.0070.00016.37
7.4.290.0000.00716.45
7.4.280.0040.00416.50
7.4.270.0030.00316.40
7.4.260.0000.00716.39
7.4.250.0000.00816.52
7.4.240.0010.00616.47
7.4.230.0070.00016.55
7.4.220.0030.01516.30
7.4.210.0060.00916.49
7.4.200.0040.00416.34
7.4.160.0080.00816.69
7.4.150.0070.01817.40
7.4.140.0110.00717.86
7.4.130.0100.01116.59
7.4.120.0070.01016.60
7.4.110.0060.01216.44
7.4.100.0060.01316.55
7.4.90.0060.01116.57
7.4.80.0100.00719.39
7.4.70.0150.00316.41
7.4.60.0100.00716.46
7.4.50.0080.00016.58
7.4.40.0070.01016.64
7.4.30.0090.00616.67
7.4.00.0030.01415.02
7.3.330.0050.00012.99
7.3.320.0030.00312.86
7.3.310.0030.00516.30
7.3.300.0030.00316.24
7.3.290.0080.00616.18
7.3.280.0090.01016.18
7.3.270.0080.01117.40
7.3.260.0090.00916.43
7.3.250.0090.00916.30
7.3.240.0040.02016.43
7.3.230.0060.01016.39
7.3.210.0030.01416.51
7.3.200.0160.00016.14
7.3.190.0110.00716.54
7.3.180.0130.00316.23
7.3.170.0000.01616.38
7.3.160.0060.00916.24
7.2.330.0100.00716.35
7.2.320.0070.01716.61
7.2.310.0120.00316.37
7.2.300.0030.01316.31
7.2.290.0050.01616.46
7.2.60.0070.00316.92
7.2.00.0000.01219.32
7.1.200.0080.00415.82
7.1.100.0050.00817.77
7.1.70.0060.00917.14
7.1.60.0100.01019.27
7.1.50.0030.02116.95
7.1.00.0070.07322.31
7.0.200.0030.00316.68
7.0.60.0030.08319.88
7.0.50.0000.06717.81
7.0.40.0030.05020.05
7.0.30.0330.07320.09
7.0.20.0270.07020.18
7.0.10.0130.03720.16
7.0.00.0200.07020.30
5.6.280.0030.03320.98
5.6.210.0070.08020.70
5.6.200.0030.04318.13
5.6.190.0100.05720.56
5.6.180.4230.05720.56
5.6.170.0230.05720.38
5.6.160.0130.06320.49
5.6.150.0000.06318.11
5.6.140.0100.07718.13
5.6.130.0070.03718.18
5.6.120.0100.08020.99
5.6.110.0100.08320.98
5.6.100.0070.08020.97
5.6.90.0100.08320.99
5.6.80.0070.06720.40
5.6.70.4630.03720.27
5.5.350.0100.07020.41
5.5.340.0030.04717.89
5.5.330.0030.08320.47
5.5.320.0170.03720.31
5.5.310.0330.06020.50
5.5.300.0030.06017.96
5.5.290.0130.07317.92
5.5.280.0030.04320.73
5.5.270.0100.08020.87
5.5.260.0030.05720.87
5.5.250.0130.03320.66
5.5.240.0030.07320.16
5.4.450.0730.06019.27
5.4.440.0800.05719.63
5.4.430.0730.06319.11
5.4.420.0830.05019.62
5.4.410.0670.06319.10
5.4.400.0830.06018.96
5.4.390.0800.07019.19
5.4.380.0700.05719.28
5.4.370.0770.04319.19
5.4.360.0830.05719.16
5.4.350.0900.05019.01
5.4.340.0870.05318.98
5.4.320.1000.04719.15
5.4.310.0800.05318.91
5.4.300.0930.04719.29
5.4.290.0900.05018.98
5.4.280.0700.05318.94
5.4.270.0730.06018.90
5.4.260.0870.05019.24
5.4.250.0670.05018.92
5.4.240.0700.06019.07
5.4.230.0730.05719.30
5.4.220.0830.04718.90
5.4.210.0630.06019.14
5.4.200.0670.05718.98
5.4.190.0700.05718.89
5.4.180.0770.04719.26
5.4.170.0670.05319.14
5.4.160.0630.05719.28
5.4.150.0700.05719.13
5.4.140.0630.05016.35
5.4.130.0570.06016.34
5.4.120.0700.06016.25
5.4.110.0800.05316.20
5.4.100.0670.05016.45
5.4.90.0770.05316.54
5.4.80.0870.05316.43
5.4.70.0270.05716.39
5.4.60.0300.03016.36
5.4.50.0000.03716.36
5.4.40.0000.04316.15
5.4.30.0030.03016.38
5.4.20.0270.05316.39

preferences:
51.7 ms | 401 KiB | 5 Q