3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = [1,2,3]; var_dump(memory_get_usage()); foreach ($arr as $k => $v) { $arr[0] = 2; } var_dump(key($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)
7.4.00.0060.01314.84
7.3.120.0070.00714.81
7.3.110.0100.00714.79
7.3.100.0000.01414.73
7.3.90.0030.01014.79
7.3.80.0070.00715.05
7.3.70.0090.00614.62
7.3.60.0130.00314.60
7.3.50.0070.00314.73
7.3.40.0000.01914.69
7.3.30.0070.00714.79
7.3.20.0090.00316.39
7.3.10.0150.00016.59
7.3.00.0090.00616.55
7.2.250.0130.00614.88
7.2.240.0150.00415.11
7.2.230.0060.01014.91
7.2.220.0060.00915.14
7.2.210.0060.00914.88
7.2.200.0000.01314.66
7.2.190.0100.00715.05
7.2.180.0140.00715.14
7.2.170.0060.00615.12
7.2.00.0060.00919.14
7.1.330.0110.00715.63
7.1.320.0120.00315.55
7.1.310.0060.00615.54
7.1.300.0000.01615.89
7.1.290.0040.00815.98
7.1.280.0030.00915.78
7.1.270.0000.01515.46
7.1.260.0120.00315.51
7.1.70.0040.00416.89
7.1.60.0060.01919.46
7.1.50.0120.00916.89
7.1.00.0000.08022.36
7.0.200.0040.00716.73
7.0.140.0000.07322.07
7.0.60.0070.04719.94
7.0.50.0130.07317.88
7.0.40.0070.08320.30
7.0.30.0230.04320.09
7.0.20.0230.04720.21
7.0.10.0030.04020.00
7.0.00.0030.04320.01
5.6.280.0030.07320.90
5.6.210.0000.04320.56
5.6.200.0100.08018.09
5.6.190.0070.05720.27
5.6.180.0230.04720.41
5.6.170.0300.07320.53
5.6.160.0070.08320.49
5.6.150.0130.07718.21
5.6.140.0070.06718.18
5.6.130.0030.08718.16
5.6.120.0070.05021.11
5.6.110.0130.07721.00
5.6.100.0030.04321.00
5.6.90.0070.08320.96
5.6.80.0070.06020.35
5.6.70.3800.02720.39
5.5.350.0030.08320.40
5.5.340.0070.05317.98
5.5.330.0000.04320.21
5.5.320.0470.07020.29
5.5.310.0300.06720.41
5.5.300.0170.07017.98
5.5.290.0030.06317.95
5.5.280.0100.05020.73
5.5.270.0130.07020.89
5.5.260.0030.06020.75
5.5.250.0070.08320.62
5.5.240.0200.07020.18
5.4.450.0130.05719.28
5.4.440.0270.04719.58
5.4.430.0170.05019.63
5.4.420.0670.00019.52
5.4.410.0170.05018.82
5.4.400.0200.06018.64
5.4.390.0230.04718.74
5.4.380.0130.06018.69
5.4.370.0030.05018.50
5.4.360.0130.03318.52
5.4.350.0050.03411.97
5.4.340.0050.03611.97
5.4.320.0060.04512.46
5.4.310.0040.03912.45
5.4.300.0040.03812.46
5.4.290.0110.04812.45
5.4.280.0120.05312.32
5.4.270.0320.09312.32
5.4.260.0180.09012.32
5.4.250.0170.07212.32
5.4.240.0210.08712.32
5.4.230.0180.06312.31
5.4.220.0150.06012.32
5.4.210.0330.10912.32
5.4.200.0070.05212.31
5.4.190.0110.07312.31
5.4.180.0140.07512.31
5.4.170.0090.05412.32
5.4.160.0100.03912.32
5.4.150.0120.05212.31
5.4.140.0120.06112.00
5.4.130.0230.06111.99
5.4.120.0090.04011.95
5.4.110.0200.07711.94
5.4.100.0130.05611.94
5.4.90.0150.06511.94
5.4.80.0150.04611.94
5.4.70.0140.03311.94
5.4.60.0310.03811.94
5.4.50.0150.09111.94
5.4.40.0100.04211.93
5.4.30.0140.04311.92
5.4.20.0220.04911.92
5.4.10.0070.03811.92
5.4.00.0130.05311.41
5.3.290.0050.04012.80
5.3.280.0230.03912.70
5.3.270.0150.05612.72
5.3.260.0060.04512.72
5.3.250.0100.05512.72
5.3.240.0090.05512.72
5.3.230.0080.04312.71
5.3.220.0110.04212.68
5.3.210.0140.08012.68
5.3.200.0100.06212.68
5.3.190.0260.08012.68
5.3.180.0180.08112.67
5.3.170.0070.07712.66
5.3.160.0120.05812.68
5.3.150.0070.05712.67
5.3.140.0140.03612.66
5.3.130.0110.04212.66
5.3.120.0110.04512.66
5.3.110.0170.05212.66
5.3.100.0130.05112.12
5.3.90.0100.04412.08
5.3.80.0130.03712.08
5.3.70.0130.04712.07
5.3.60.0100.05012.07
5.3.50.0160.09012.00
5.3.40.0080.03812.00
5.3.30.0080.03911.94
5.3.20.0080.03811.70
5.3.10.0080.03811.67
5.3.00.0090.04011.66
5.2.170.0070.0389.15
5.2.160.0100.0299.15
5.2.150.0060.0379.15
5.2.140.0060.0339.15
5.2.130.0110.0339.11
5.2.120.0070.0309.11
5.2.110.0100.0299.11
5.2.100.0120.0379.12
5.2.90.0100.0409.11
5.2.80.0060.0369.11
5.2.70.0100.0339.11
5.2.60.0100.0289.06
5.2.50.0090.0319.03
5.2.40.0110.0329.00
5.2.30.0040.0378.99
5.2.20.0060.0338.97
5.2.10.0060.0388.90
5.2.00.0080.0368.75
5.1.60.0170.0608.04
5.1.50.0060.0298.04
5.1.40.0060.0298.03
5.1.30.0100.0268.38
5.1.20.0120.0388.40
5.1.10.0100.0408.12
5.1.00.0050.0478.12
5.0.50.0110.0346.60
5.0.40.0090.0336.46
5.0.30.0060.0606.27
5.0.20.0110.0286.25
5.0.10.0070.0306.22
5.0.00.0140.0366.20
4.4.90.0070.0194.78
4.4.80.0030.0224.76
4.4.70.0040.0194.75
4.4.60.0040.0194.75
4.4.50.0090.0194.77
4.4.40.0040.0294.71
4.4.30.0160.0244.76
4.4.20.0070.0264.85
4.4.10.0360.0504.85
4.4.00.0080.0494.75
4.3.110.0060.0234.67
4.3.100.0040.0174.66
4.3.90.0050.0144.63
4.3.80.0050.0374.58
4.3.70.0030.0234.63
4.3.60.0060.0294.63
4.3.50.0060.0254.63
4.3.40.0100.0244.54
4.3.30.0040.0183.27
4.3.20.0130.0183.25
4.3.10.0030.0193.21
4.3.00.0000.0236.54

preferences:
38.87 ms | 401 KiB | 5 Q