3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = ['foo'=>1]; foreach($array as $k=>&$v) { $array['bernard']=3; echo $v; }

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)
8.3.40.0060.01119.02
8.3.30.0110.00419.04
8.3.20.0040.00420.16
8.3.10.0070.00022.09
8.3.00.0070.00022.40
8.2.170.0100.00322.96
8.2.160.0070.00719.16
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0100.01026.16
8.2.120.0080.00017.63
8.2.110.0060.00320.53
8.2.100.0030.01117.91
8.2.90.0040.00418.11
8.2.80.0000.00817.97
8.2.70.0070.00317.75
8.2.60.0000.00918.05
8.2.50.0100.00018.07
8.2.40.0080.00018.22
8.2.30.0000.00818.13
8.2.20.0050.00317.60
8.2.10.0030.00519.41
8.2.00.0040.00417.62
8.1.270.0080.00022.14
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00322.10
8.1.230.0070.00320.85
8.1.220.0080.00017.74
8.1.210.0080.00018.77
8.1.200.0060.00317.36
8.1.190.0060.00317.39
8.1.180.0000.00818.10
8.1.170.0060.00318.64
8.1.160.0030.00622.02
8.1.150.0040.00418.66
8.1.140.0000.00717.37
8.1.130.0000.00717.75
8.1.120.0080.00017.46
8.1.110.0040.00417.44
8.1.100.0000.00817.50
8.1.90.0000.00717.43
8.1.80.0000.00717.46
8.1.70.0000.00717.43
8.1.60.0060.00617.57
8.1.50.0000.00817.50
8.1.40.0000.00817.42
8.1.30.0040.00417.68
8.1.20.0040.00417.65
8.1.10.0040.00417.49
8.1.00.0040.00417.51
8.0.300.0070.00020.18
8.0.290.0070.00017.05
8.0.280.0000.00718.44
8.0.270.0070.00017.26
8.0.260.0000.00716.82
8.0.250.0070.00016.95
8.0.240.0000.00816.84
8.0.230.0040.00416.90
8.0.220.0030.00316.86
8.0.210.0000.00616.84
8.0.200.0000.00716.95
8.0.190.0070.00016.96
8.0.180.0050.00216.80
8.0.170.0000.00716.81
8.0.160.0030.00516.89
8.0.150.0000.00716.90
8.0.140.0030.00416.89
8.0.130.0030.00313.32
8.0.120.0000.00716.88
8.0.110.0030.00516.78
8.0.100.0040.00416.96
8.0.90.0070.00016.88
8.0.80.0070.00716.92
8.0.70.0040.00416.87
8.0.60.0030.00316.85
8.0.50.0000.00716.76
8.0.30.0110.01117.13
8.0.20.0070.01117.40
8.0.10.0040.00417.07
8.0.00.0150.00716.74
7.4.330.0050.00015.00
7.4.320.0030.00316.43
7.4.300.0030.00316.52
7.4.290.0030.00316.51
7.4.280.0070.00016.51
7.4.270.0000.00716.37
7.4.260.0040.00416.61
7.4.250.0000.00816.48
7.4.240.0040.00316.45
7.4.230.0030.00316.35
7.4.220.0130.01316.54
7.4.210.0090.00716.63
7.4.200.0030.00316.63
7.4.190.0000.00816.50
7.4.160.0120.00316.30
7.4.150.0150.00317.40
7.4.140.0120.00917.86
7.4.130.0120.00916.45
7.4.120.0110.00716.47
7.4.110.0130.00316.54
7.4.100.0110.00616.52
7.4.90.0090.00916.32
7.4.80.0100.01019.39
7.4.70.0090.01316.32
7.4.60.0090.00616.63
7.4.50.0060.00316.65
7.4.40.0030.01422.77
7.4.30.0100.00716.68
7.4.00.0060.00615.04
7.3.330.0030.00313.09
7.3.320.0020.00213.18
7.3.310.0050.00216.37
7.3.300.0030.00316.32
7.3.290.0030.01616.30
7.3.280.0100.00716.33
7.3.270.0110.00517.40
7.3.260.0100.01216.55
7.3.250.0080.01216.36
7.3.240.0030.01316.49
7.3.230.0000.01716.45
7.3.210.0120.00516.40
7.3.200.0000.01619.39
7.3.190.0130.00316.54
7.3.180.0130.00316.28
7.3.170.0170.00716.46
7.3.160.0060.00916.36
7.3.120.0080.00414.73
7.2.330.0170.00016.66
7.2.320.0110.00716.56
7.2.310.0160.00416.50
7.2.300.0070.01016.34
7.2.290.0120.00716.47
7.2.110.0050.00916.59
7.2.100.0090.00616.40
7.2.90.0100.01016.61
7.2.80.0130.00316.58
7.2.70.0240.00717.05
7.2.60.0080.00816.95
7.2.50.0200.01316.57
7.2.40.0140.00316.91
7.2.30.0240.01016.85
7.2.20.0130.00416.91
7.2.10.0120.01016.88
7.2.00.0050.00917.94
7.1.230.0060.00915.56
7.1.220.0100.00315.79
7.1.210.0150.00315.89
7.1.200.0620.00815.86
7.1.190.0140.00415.43
7.1.180.0130.00715.80
7.1.170.0180.00015.73
7.1.160.0210.00715.66
7.1.150.0070.00715.66
7.1.140.0150.00615.85
7.1.130.0220.00915.62
7.1.120.0280.00415.70
7.1.110.0050.00915.98
7.1.100.0050.00916.73
7.1.90.0170.00015.84
7.1.80.0110.00815.99
7.1.70.0040.00716.35
7.1.60.0110.01117.95
7.1.50.0130.00616.26
7.1.40.0090.00915.91
7.1.30.0040.01115.99
7.1.20.0130.00315.92
7.1.10.0120.00315.68
7.1.00.0030.04418.96
7.0.310.0070.00715.45
7.0.300.0190.00615.21
7.0.290.0030.01215.30
7.0.280.0100.00715.30
7.0.270.0110.00415.43
7.0.260.0150.00315.20
7.0.250.0120.00815.08
7.0.240.0160.00215.38
7.0.230.0080.00814.95
7.0.220.0110.00815.27
7.0.210.0060.00815.14
7.0.200.0110.00316.07
7.0.190.0100.00315.42
7.0.180.0090.00415.45
7.0.170.0060.01015.32
7.0.160.0120.00415.41
7.0.150.0120.00215.49
7.0.140.0100.03618.80
7.0.130.0120.00315.25
7.0.120.0110.00515.44
7.0.110.0130.00315.26
7.0.100.0130.00015.29
7.0.90.0090.00315.48
7.0.80.0040.01315.22
7.0.70.0040.01115.39
7.0.60.0100.04317.60
7.0.50.0070.02516.71
7.0.40.0100.04516.78
7.0.30.0170.02016.90
7.0.20.0220.04116.80
7.0.10.0090.04516.64
7.0.00.0060.04516.88
5.6.380.0090.00414.55
5.6.370.0120.00413.97
5.6.360.0090.00514.40
5.6.350.0090.00914.41
5.6.340.0090.00614.15
5.6.330.0150.00314.63
5.6.320.0100.00714.40
5.6.310.0090.00214.33
5.6.300.0100.00314.48
5.6.290.0080.00314.64
5.6.280.0070.04017.88
5.6.270.0060.00914.54
5.6.260.0130.00314.43
5.6.250.0140.00714.36
5.6.240.0120.00414.74
5.6.230.0110.00514.16
5.6.220.0140.00314.25
5.6.210.0100.02217.35
5.6.200.0090.01916.30
5.6.190.0150.04017.42
5.6.180.0210.02217.50
5.6.170.0240.03517.33
5.6.160.0130.01817.50
5.6.150.0060.02416.41
5.6.140.0110.03816.23
5.6.130.0060.03316.25
5.6.120.0100.03517.64
5.6.110.0050.04017.57
5.6.100.0240.02917.62
5.6.90.0070.03817.50
5.6.80.0030.04917.33
5.6.70.2250.02317.50
5.6.60.0040.01214.17
5.6.50.0140.00314.48
5.6.40.0140.00014.18
5.6.30.0130.00314.34
5.6.20.0090.00614.15
5.6.10.0140.00014.24
5.6.00.0140.00014.39
5.5.380.0110.00012.79
5.5.370.0070.00712.79
5.5.360.0050.00312.79
5.5.350.0120.02316.64
5.5.340.0030.02215.34
5.5.330.0050.02316.68
5.5.320.0070.03916.54
5.5.310.0220.03316.55
5.5.300.0050.03415.38
5.5.290.0070.02015.39
5.5.280.0080.02216.76
5.5.270.0040.02316.83
5.5.260.0070.03616.83
5.5.250.0100.03716.72
5.5.240.0060.04116.57
5.5.230.0050.00512.79
5.5.220.0080.00512.79
5.5.210.0070.00412.79
5.5.200.0090.00012.79
5.5.190.0080.00412.79
5.5.180.0040.00712.79
5.5.170.0040.00814.16
5.5.160.0080.00812.79
5.5.150.0070.00712.79
5.5.140.0120.00012.79
5.5.130.0090.00312.79
5.5.120.0080.00612.79
5.5.110.0040.00712.79
5.5.100.0090.00412.79
5.5.90.0090.00312.79
5.5.80.0100.00312.79
5.5.70.0080.00412.79
5.5.60.0000.01112.79
5.5.50.0120.00012.79
5.5.40.0070.00712.79
5.5.30.0070.00312.79
5.5.20.0070.00712.79
5.5.10.0030.00912.79
5.5.00.0080.00412.79
5.4.450.0410.03216.19
5.4.440.0380.03616.13
5.4.430.0160.03316.07
5.4.420.0120.02716.02
5.4.410.0070.03216.07
5.4.400.0050.03015.74
5.4.390.0100.02715.76
5.4.380.0180.03015.77
5.4.370.0070.02915.78
5.4.360.0120.02515.76
5.4.350.0100.03015.68
5.4.340.0090.02915.62
5.4.330.0070.00712.79
5.4.320.0080.02012.62
5.4.310.0100.02012.62
5.4.300.0070.02112.62
5.4.290.0070.02212.62
5.4.280.0060.02112.57
5.4.270.0080.03715.84
5.4.260.0040.03915.82
5.4.250.0100.04115.83
5.4.240.0080.03515.82
5.4.230.0100.03415.87
5.4.220.0080.03615.91
5.4.210.0130.03115.85
5.4.200.0050.04415.89
5.4.190.0080.03515.83
5.4.180.0150.03015.78
5.4.170.0170.03315.83
5.4.160.0120.03615.89
5.4.150.0080.03715.95
5.4.140.0140.02814.69
5.4.130.0110.03614.67
5.4.120.0110.02314.67
5.4.110.0090.04114.63
5.4.100.0160.02814.66
5.4.90.0100.03314.69
5.4.80.0090.02814.64
5.4.70.0130.02714.55
5.4.60.0120.03614.62
5.4.50.0060.04014.68
5.4.40.0110.03014.65
5.4.30.0050.03714.65
5.4.20.0050.03014.66
5.4.10.0150.03314.66
5.4.00.0070.03614.33
5.3.290.0070.03112.79
5.3.280.0120.03013.75
5.3.270.0130.03013.80
5.3.260.0070.03013.69
5.3.250.0240.03013.72
5.3.240.0070.03113.69
5.3.230.0100.02613.75
5.3.220.0060.03113.76
5.3.210.0060.03113.76
5.3.200.0080.02613.76
5.3.190.0090.02913.59
5.3.180.0060.02913.75
5.3.170.0040.03413.76
5.3.160.0090.02713.72
5.3.150.0080.02913.58
5.3.140.0020.04213.76
5.3.130.0070.03213.66
5.3.120.0090.03013.67
5.3.110.0120.02613.74
5.3.100.0060.02613.41
5.3.90.0060.03413.50
5.3.80.0050.02913.39
5.3.70.0090.03613.44
5.3.60.0030.03213.47
5.3.50.0080.03113.40
5.3.40.0070.02913.41
5.3.30.0100.02613.39
5.3.20.0090.03213.27
5.3.10.0080.03613.31
5.3.00.0130.03613.21
5.2.170.0060.02512.06
5.2.160.0080.03011.96
5.2.150.0030.03312.06
5.2.140.0050.02512.06
5.2.130.0040.02611.85
5.2.120.0090.02212.06
5.2.110.0070.02712.05
5.2.100.0010.02612.02
5.2.90.0050.02411.91
5.2.80.0030.02411.90
5.2.70.0110.02211.90
5.2.60.0100.02012.02
5.2.50.0070.02912.02
5.2.40.0090.02311.96
5.2.30.0070.03011.93
5.2.20.0060.02211.93
5.2.10.0100.02011.82
5.2.00.0020.02411.86
5.1.60.0050.01811.53
5.1.50.0070.02011.46
5.1.40.0030.02011.42
5.1.30.0030.02111.59
5.1.20.0080.02711.71
5.1.10.0070.02511.41
5.1.00.0100.01711.54
5.0.50.0030.01810.66
5.0.40.0100.00810.59
5.0.30.0010.02810.56
5.0.20.0050.01410.58
5.0.10.0030.01810.42
5.0.00.0070.02310.49
4.4.90.0070.01310.02
4.4.80.0000.01510.02
4.4.70.0030.01610.02
4.4.60.0020.01210.02
4.4.50.0060.01510.02
4.4.40.0070.02210.02
4.4.30.0050.01510.02
4.4.20.0040.01210.02
4.4.10.0040.01310.02
4.4.00.0040.01910.02
4.3.110.0030.01610.02
4.3.100.0040.01210.02
4.3.90.0020.01610.02
4.3.80.0060.02110.02
4.3.70.0050.01310.02
4.3.60.0040.01410.02
4.3.50.0030.01210.02
4.3.40.0010.01810.02
4.3.30.0010.01610.02
4.3.20.0030.01510.02
4.3.10.0010.01310.02
4.3.00.0060.0139.63

preferences:
49.79 ms | 400 KiB | 5 Q