3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(2,1,3); $c = array(); foreach($a as $b){ $b[$a] = $a; } var_dump($c);

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)
8.3.60.0070.01416.63
8.3.50.0090.00722.05
8.3.40.0070.01418.97
8.3.30.0140.00719.13
8.3.20.0000.00820.33
8.3.10.0070.00023.48
8.3.00.0100.00719.05
8.2.180.0050.01418.39
8.2.170.0140.00722.96
8.2.160.0100.00720.53
8.2.150.0040.00424.18
8.2.140.0160.00324.66
8.2.130.0130.00626.16
8.2.120.0040.00419.36
8.2.110.0060.00320.56
8.2.100.0060.00618.03
8.2.90.0030.00719.20
8.2.80.0000.00819.48
8.2.70.0030.00617.59
8.2.60.0060.00318.05
8.2.50.0000.00818.10
8.2.40.0000.00820.57
8.2.30.0040.00419.29
8.2.20.0040.00417.74
8.2.10.0000.00818.22
8.2.00.0040.00419.70
8.1.280.0110.00425.92
8.1.270.0130.00622.04
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0090.00023.82
8.1.230.0080.00317.64
8.1.220.0040.00417.79
8.1.210.0060.00318.77
8.1.200.0000.00917.35
8.1.190.0080.00017.23
8.1.180.0040.00418.10
8.1.170.0040.00418.65
8.1.160.0070.00018.75
8.1.150.0000.00720.13
8.1.140.0040.00417.38
8.1.130.0070.00017.77
8.1.120.0040.00717.37
8.1.110.0070.00417.45
8.1.100.0040.00417.43
8.1.90.0000.00817.49
8.1.80.0070.00017.36
8.1.70.0030.00317.45
8.1.60.0000.00817.59
8.1.50.0080.00017.56
8.1.40.0000.00717.48
8.1.30.0080.00017.65
8.1.20.0000.00817.55
8.1.10.0040.00417.57
8.1.00.0060.00317.55
8.0.300.0030.00518.77
8.0.290.0040.00416.62
8.0.280.0000.00818.55
8.0.270.0030.00317.12
8.0.260.0000.00617.14
8.0.250.0030.00316.92
8.0.240.0040.00416.94
8.0.230.0000.00716.87
8.0.220.0030.00316.92
8.0.210.0030.00317.01
8.0.200.0060.00016.84
8.0.190.0030.00316.86
8.0.180.0100.00016.90
8.0.170.0080.00016.99
8.0.160.0040.00417.07
8.0.150.0080.00016.80
8.0.140.0000.00716.87
8.0.130.0000.00713.30
8.0.120.0040.00417.00
8.0.110.0040.00416.93
8.0.100.0000.00717.01
8.0.90.0000.00716.82
8.0.80.0090.01216.91
8.0.70.0000.00716.97
8.0.60.0040.00416.93
8.0.50.0070.00016.88
8.0.30.0120.00717.35
8.0.20.0100.01217.40
8.0.10.0040.00417.11
8.0.00.0110.00516.74
7.4.330.0020.00215.08
7.4.320.0030.00316.48
7.4.300.0000.00616.46
7.4.290.0000.00716.46
7.4.280.0000.00716.48
7.4.270.0020.00516.51
7.4.260.0000.00716.48
7.4.250.0030.00316.55
7.4.240.0030.00316.54
7.4.230.0020.00516.41
7.4.220.0070.01116.54
7.4.210.0060.00816.63
7.4.200.0030.00316.70
7.4.160.0130.00316.55
7.4.150.0090.00917.40
7.4.140.0060.01217.86
7.4.130.0100.00916.52
7.4.120.0090.00916.46
7.4.110.0110.00616.72
7.4.100.0140.00916.62
7.4.90.0100.00616.31
7.4.80.0130.00419.39
7.4.70.0120.00416.52
7.4.60.0070.01116.43
7.4.50.0080.00016.40
7.4.40.0130.00916.19
7.4.30.0150.00016.67
7.4.00.0070.00315.13
7.3.330.0050.00013.09
7.3.320.0030.00313.25
7.3.310.0060.00016.31
7.3.300.0070.00016.42
7.3.290.0030.01016.43
7.3.280.0080.01016.31
7.3.270.0150.00317.40
7.3.260.0100.01016.39
7.3.250.0100.00916.32
7.3.240.0070.01016.33
7.3.230.0060.01316.39
7.3.210.0090.01216.25
7.3.200.0100.00716.55
7.3.190.0100.01016.38
7.3.180.0170.00016.28
7.3.170.0060.00916.36
7.3.160.0090.00616.32
7.3.120.0000.00715.03
7.2.330.0110.00716.44
7.2.320.0070.01516.60
7.2.310.0130.00716.41
7.2.300.0140.00916.66
7.2.290.0060.00916.60
7.2.00.0030.01019.42
7.1.100.0030.00818.17
7.1.70.0040.00417.24
7.1.60.0140.01119.70
7.1.50.0060.01616.97
7.1.00.0000.08022.31
7.0.200.0000.00816.81
7.0.140.0000.08022.19
7.0.60.0170.07020.01
7.0.50.0030.07017.89
7.0.40.0030.04320.20
7.0.30.0130.04320.00
7.0.20.0230.04720.02
7.0.10.0200.03720.19
7.0.00.0030.07020.09
5.6.210.0070.04020.50
5.6.200.0130.07318.16
5.6.190.0100.08320.52
5.6.180.0330.06320.67
5.6.170.0470.07720.52
5.6.160.0000.04720.44
5.6.150.0070.06318.10
5.6.140.0130.07018.09
5.6.130.0030.08718.07
5.6.120.0130.07721.02
5.6.110.0000.09721.03
5.6.100.0100.07320.97
5.6.90.0170.08021.00
5.6.80.0100.06320.24
5.5.350.0200.08020.37
5.5.340.0070.03718.02
5.5.330.0070.05020.12
5.5.320.4100.04020.13
5.5.310.0230.04020.21
5.5.300.0070.03717.89
5.5.290.0030.08717.91
5.5.280.0170.07720.76
5.5.270.0070.08720.86
5.5.260.0030.08720.95
5.5.250.0200.07020.68
5.5.240.0130.07320.27
5.4.450.0300.08019.11
5.4.440.0170.05019.38
5.4.430.0270.07719.23
5.4.420.0370.06719.39
5.4.410.0270.04319.40
5.4.400.0200.04719.24
5.4.390.0270.04719.25
5.4.380.0370.06318.80
5.4.370.0270.07319.10
5.4.360.0270.03719.24
5.4.350.0300.05719.25
5.4.340.0170.04318.77
5.4.320.0270.04019.12
5.4.310.0300.07019.21
5.4.300.0230.07018.91
5.4.290.0200.04018.93
5.4.280.0230.07319.13
5.4.270.0230.04319.06
5.4.260.0270.05718.88
5.4.250.0470.03719.07
5.4.240.0270.04018.76
5.4.230.0200.06718.80
5.4.220.0170.04719.07
5.4.210.0300.03019.23
5.4.200.0230.07018.88
5.4.190.0230.04318.79
5.4.180.0130.04018.88
5.4.170.0230.07019.08
5.4.160.0670.04319.06
5.4.150.0200.04319.22
5.4.140.0300.06316.55
5.4.130.0230.04016.35
5.4.120.0170.03716.30
5.4.110.0230.07016.21
5.4.100.0270.05316.32
5.4.90.0230.07016.06
5.4.80.0170.05016.37
5.4.70.0130.04716.17
5.4.60.0200.06016.40
5.4.50.0270.06716.45
5.4.40.0200.05016.38
5.4.30.0230.06716.45
5.4.20.0230.06316.20
5.4.10.0200.04316.27
5.4.00.0230.03015.64
5.3.290.0230.03714.50
5.3.280.0130.04014.53
5.3.270.0170.04014.70
5.3.260.0300.04314.59
5.3.250.0300.05714.45
5.3.240.0200.03714.56
5.3.230.0200.03714.47
5.3.220.0130.04714.58
5.3.210.0330.06314.55
5.3.200.0270.05714.61
5.3.190.0170.04714.51
5.3.180.0230.07714.54
5.3.170.0230.04714.40
5.3.160.0170.03714.40
5.3.150.0130.04314.40
5.3.140.0200.03314.52
5.3.130.0200.03714.40
5.3.120.0200.03314.64
5.3.110.0200.04014.38
5.3.100.0170.03713.99
5.3.90.0200.03314.07
5.3.80.0170.03713.97
5.3.70.0170.04013.79

preferences:
39.06 ms | 401 KiB | 5 Q