3v4l.org

run code in 300+ PHP versions simultaneously
<?php $head=memory_get_usage(); $x=['key1'=>'bla','key2'=>'some']; echo (memory_get_usage()-$head);

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)
7.2.00.0000.01019.32
7.1.70.0000.00817.09
7.1.60.0070.01119.32
7.1.50.0120.00916.64
7.1.00.0070.07322.54
7.0.200.0000.00816.91
7.0.140.0130.06722.10
7.0.110.0070.04019.90
7.0.100.0070.04719.96
7.0.90.0070.05719.89
7.0.80.0130.05019.90
7.0.70.0100.07320.03
7.0.60.0030.08320.03
7.0.50.0070.08320.08
7.0.40.0100.07319.76
7.0.30.0070.08319.73
7.0.20.0130.03319.71
7.0.10.0070.04019.64
7.0.00.0070.04019.84
5.6.280.0030.07320.86
5.6.260.0070.03720.68
5.6.250.0030.06020.59
5.6.240.0130.08020.66
5.6.230.0130.07020.59
5.6.220.0000.06720.84
5.6.210.0070.08720.66
5.6.200.0070.04720.62
5.6.190.0170.07320.64
5.6.180.0030.08320.68
5.6.170.0070.04020.61
5.6.160.0030.04020.55
5.6.150.0000.07020.64
5.6.140.0070.03320.55
5.6.130.0030.03720.65
5.6.120.0000.04320.60
5.6.110.0170.02720.45
5.6.100.0030.03720.53
5.6.90.0030.06320.43
5.6.80.0070.07020.03
5.6.70.0100.06719.97
5.6.60.0000.04320.07
5.6.50.0000.04320.06
5.6.40.0030.05720.20
5.6.30.0070.03720.04
5.6.20.0030.03719.97
5.6.10.0000.04020.05
5.6.00.0070.03019.97
5.5.380.0070.04317.44
5.5.370.0100.07017.51
5.5.360.0030.08317.54
5.5.350.0130.07017.56
5.5.340.0000.09018.16
5.5.330.0100.06718.01
5.5.320.0170.07018.16
5.5.310.0030.06717.86
5.5.300.0070.03717.86
5.5.290.0130.03018.10
5.5.280.0030.03318.16
5.5.270.0030.03318.24
5.5.260.0030.04317.86
5.5.250.0130.07017.66
5.5.240.0070.07717.23
5.5.230.0000.04017.23
5.5.220.0100.02717.23
5.5.210.0000.04317.29
5.5.200.0100.03317.61
5.5.190.0000.04717.51
5.5.180.0000.04017.20
5.5.160.0000.03717.24
5.5.150.0000.04017.11
5.5.140.0030.03017.44
5.5.130.0070.03317.19
5.5.120.0070.03317.21
5.5.110.0030.03717.11
5.5.100.0030.04317.02
5.5.90.0030.03717.09
5.5.80.0030.04017.09
5.5.70.0130.03717.10
5.5.60.0070.04017.27
5.5.50.0030.03317.09
5.5.40.0030.03717.11
5.5.30.0030.03317.36
5.5.20.0100.03717.09
5.5.10.0070.03717.25
5.5.00.0030.03717.10
5.4.450.0030.04019.33
5.4.440.0000.04319.43
5.4.430.0000.04019.27
5.4.420.0000.03719.45
5.4.410.0000.04319.14
5.4.400.0170.06019.01
5.4.390.0070.03319.04
5.4.380.0030.04018.95
5.4.370.0130.02719.13
5.4.360.0030.03719.11
5.4.350.0100.03319.18
5.4.340.0000.04018.95
5.4.320.0070.03319.07
5.4.310.0100.03019.12
5.4.300.0000.04018.99
5.4.290.0070.04019.09
5.4.280.0070.03318.98
5.4.270.0070.03719.07
5.4.260.0030.03719.16
5.4.250.0000.03319.16
5.4.240.0000.04019.15
5.4.230.0030.05019.07
5.4.220.0070.03718.98
5.4.210.0000.04019.24
5.4.200.0100.03019.17
5.4.190.0000.04018.94
5.4.180.0030.07719.09
5.4.170.0000.04019.12
5.4.160.0030.03718.96
5.4.150.0000.04719.25
5.4.140.0030.07316.45
5.4.130.0100.02716.56
5.4.120.0000.04716.36
5.4.110.0030.03716.49
5.4.100.0000.04016.51
5.4.90.0000.05016.28
5.4.80.0030.07716.11
5.4.70.0070.03016.19
5.4.60.0030.03716.38
5.4.50.0030.05716.48
5.4.40.0030.03716.51
5.4.30.0100.02716.52
5.4.20.0000.04016.34
5.4.10.0000.03716.25
5.4.00.0030.06315.92
5.3.290.0030.03014.46
5.3.280.0070.02714.70
5.3.270.0030.03714.69
5.3.260.0100.07314.41
5.3.250.0030.03714.46
5.3.240.0030.03714.70
5.3.230.0030.03714.66
5.3.220.0070.04314.47
5.3.210.0030.04314.45
5.3.200.0000.04314.42
5.3.190.0070.03314.43
5.3.180.0070.05014.58
5.3.170.0070.05014.60
5.3.160.0100.02714.43
5.3.150.0000.03714.66
5.3.140.0030.03714.54
5.3.130.0000.03714.38
5.3.120.0030.03014.55
5.3.110.0100.07314.44
5.3.100.0100.05014.07
5.3.90.0000.04014.13
5.3.80.0070.04713.91
5.3.70.0070.05014.03
5.3.60.0030.05013.79
5.3.50.0030.06313.96
5.3.40.0000.06014.02
5.3.30.0000.06013.92
5.3.20.0030.03313.71
5.3.10.0000.03713.59
5.3.00.0070.04013.58
5.2.170.0000.07012.05
5.2.160.0030.02712.05
5.2.150.0100.06012.05
5.2.140.0030.03012.05
5.2.130.0100.05312.05
5.2.120.0000.04312.05
5.2.110.0030.04712.05
5.2.100.0030.02712.05
5.2.90.0130.04312.05
5.2.80.0030.06012.05
5.2.70.0070.05712.05
5.2.60.0030.06012.05
5.2.50.0030.05012.05
5.2.40.0030.05712.05
5.2.30.0000.04712.05
5.2.20.0100.04312.05
5.2.10.0030.05712.05
5.2.00.0070.05712.05
5.1.60.0000.06012.05
5.1.50.0130.04712.05
5.1.40.0000.04312.05
5.1.30.0070.05312.05
5.1.20.0070.05712.05
5.1.10.0070.05312.05
5.1.00.0130.03712.05
5.0.50.0130.03312.05
5.0.40.0070.02012.05
5.0.30.0030.04712.05
5.0.20.0030.02712.05
5.0.10.0030.04312.05
5.0.00.0000.06712.05
4.4.90.0000.04012.05
4.4.80.0000.03712.05
4.4.70.0130.02012.05
4.4.60.0000.03712.05
4.4.50.0030.03012.05
4.4.40.0000.03712.05
4.4.30.0030.02012.05
4.4.20.0000.02012.05
4.4.10.0000.02012.05
4.4.00.0070.04712.05
4.3.110.0070.01312.05
4.3.100.0000.02012.05
4.3.90.0070.01012.05
4.3.80.0000.05012.05
4.3.70.0030.02712.05
4.3.60.0030.03312.05
4.3.50.0030.02012.05
4.3.40.0030.03312.05
4.3.30.0000.03012.05
4.3.20.0030.03012.05
4.3.10.0070.03312.05
4.3.00.0000.02012.05

preferences:
43.65 ms | 1358 KiB | 5 Q