3v4l.org

run code in 300+ PHP versions simultaneously
<?php $recursive_array = array(); $recursive_array[] = &$recursive_array; $recursive_array2 = array(); $recursive_array2[] = &$recursive_array2; if ($recursive_array === $recursive_array2) { //Fatal error: Nesting level too deep - recursive dependency? return true; } return false;

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)
8.3.60.0070.00718.31
8.3.50.0110.00722.04
8.3.40.0130.00718.79
8.3.30.0100.00319.26
8.3.20.0040.00420.25
8.3.10.0080.00023.48
8.3.00.0080.00019.13
8.2.180.0040.01516.75
8.2.170.0070.00722.96
8.2.160.0000.01720.39
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0060.00326.16
8.2.120.0000.00822.10
8.2.110.0090.00022.13
8.2.100.0100.00317.63
8.2.90.0060.00319.17
8.2.80.0040.00417.97
8.2.70.0000.00817.63
8.2.60.0000.00818.05
8.2.50.0040.00418.07
8.2.40.0060.00319.88
8.2.30.0000.00817.99
8.2.20.0000.00817.60
8.2.10.0040.00417.96
8.2.00.0050.00317.68
8.1.280.0090.01225.92
8.1.270.0060.00322.19
8.1.260.0000.01026.35
8.1.250.0000.00728.09
8.1.240.0050.00522.48
8.1.230.0040.00817.42
8.1.220.0000.00717.74
8.1.210.0040.00418.77
8.1.200.0100.00017.23
8.1.190.0030.00517.11
8.1.180.0040.00418.10
8.1.170.0050.00318.59
8.1.160.0000.00721.91
8.1.150.0040.00418.81
8.1.140.0000.00717.26
8.1.130.0000.00717.87
8.1.120.0000.00717.36
8.1.110.0000.00717.27
8.1.100.0040.00417.38
8.1.90.0000.00817.42
8.1.80.0070.00017.33
8.1.70.0030.00517.27
8.1.60.0000.00817.45
8.1.50.0000.00817.47
8.1.40.0000.00817.45
8.1.30.0000.00817.61
8.1.20.0040.00417.65
8.1.10.0040.00417.49
8.1.00.0030.00617.41
8.0.300.0040.00418.77
8.0.290.0080.00016.63
8.0.280.0040.00418.37
8.0.270.0030.00317.25
8.0.260.0060.00017.23
8.0.250.0000.00716.89
8.0.240.0040.00417.02
8.0.230.0030.00316.96
8.0.220.0060.00316.95
8.0.210.0000.00716.88
8.0.200.0030.00316.83
8.0.190.0000.00716.89
8.0.180.0070.00016.92
8.0.170.0040.00416.88
8.0.160.0030.00316.88
8.0.150.0000.00716.84
8.0.140.0090.00016.84
8.0.130.0000.00513.27
8.0.120.0070.00016.81
8.0.110.0040.00416.92
8.0.100.0040.00316.86
8.0.90.0050.00316.91
8.0.80.0000.01516.82
8.0.70.0040.00416.87
8.0.60.0000.00716.87
8.0.50.0040.00416.71
8.0.30.0110.01017.17
8.0.20.0150.00617.40
8.0.10.0000.00717.04
8.0.00.0110.00816.82
7.4.330.0000.00415.00
7.4.320.0000.00616.49
7.4.300.0000.00616.64
7.4.290.0000.00716.40
7.4.280.0050.00316.60
7.4.270.0030.00316.60
7.4.260.0000.00716.53
7.4.250.0030.00316.55
7.4.240.0000.00716.56
7.4.230.0000.00716.60
7.4.220.0100.01016.59
7.4.210.0070.00616.55
7.4.200.0000.00716.60
7.4.160.0060.00916.45
7.4.150.0100.00717.40
7.4.140.0120.00717.86
7.4.130.0090.00816.57
7.4.120.0090.01116.50
7.4.110.0000.02016.45
7.4.100.0070.01016.52
7.4.90.0110.00616.36
7.4.80.0090.00919.39
7.4.70.0130.00716.29
7.4.60.0060.01216.47
7.4.50.0040.00416.47
7.4.40.0110.00516.66
7.4.30.0030.01916.55
7.4.00.0070.00714.91
7.3.330.0000.00513.10
7.3.320.0050.00013.11
7.3.310.0000.00716.26
7.3.300.0030.00316.17
7.3.290.0040.01116.32
7.3.280.0070.00916.25
7.3.270.0170.00317.40
7.3.260.0120.00616.18
7.3.250.0100.00716.40
7.3.240.0090.01216.25
7.3.230.0110.00716.39
7.3.210.0070.01316.18
7.3.200.0110.01119.39
7.3.190.0120.00616.38
7.3.180.0150.00016.24
7.3.170.0030.01316.52
7.3.160.0100.00716.42
7.2.330.0100.01016.75
7.2.320.0030.01316.55
7.2.310.0080.00816.74
7.2.300.0160.00016.62
7.2.290.0070.01016.66
7.2.60.0070.01016.90
7.2.00.0040.00819.14
7.1.200.0000.01415.40
7.1.100.0060.00818.21
7.1.70.0000.00817.04
7.1.60.0070.01819.11
7.1.50.0070.00317.05
7.1.00.0030.07722.55
7.0.200.0030.00516.80
7.0.140.0070.06722.05
7.0.60.0070.08019.96
7.0.50.0100.07717.90
7.0.40.0100.04720.04
7.0.30.0330.07020.20
7.0.20.0170.08320.17
7.0.10.0070.05320.30
7.0.00.0030.06020.19
5.6.210.0130.03020.56
5.6.200.0100.07718.13
5.6.190.0130.06720.64
5.6.180.0000.07020.27
5.6.170.0300.04720.61
5.6.160.0030.04020.47
5.6.150.0100.07318.22
5.6.140.0030.06018.14
5.6.130.0100.08018.11
5.6.120.0070.04320.98
5.6.110.0100.06020.97
5.6.100.0130.07020.95
5.6.90.0000.08021.06
5.6.80.0130.05720.25
5.6.70.4400.03720.39
5.5.350.0030.08720.31
5.5.340.0130.07717.96
5.5.330.0100.08020.47
5.5.320.0030.09020.18
5.5.310.0230.08320.28
5.5.300.0030.04018.02
5.5.290.0070.08318.00
5.5.280.0000.04320.86
5.5.270.0270.03720.95
5.5.260.0100.06320.62
5.5.250.0100.05720.65
5.5.240.0130.06720.03
5.4.450.0870.06019.32
5.4.440.0800.05719.24
5.4.430.0800.05019.45
5.4.420.0630.00019.46
5.4.410.0630.00019.39
5.4.400.0600.00019.03
5.4.390.0600.00019.15
5.4.380.0670.00019.09
5.4.370.0600.00019.13
5.4.360.0630.00019.02
5.4.350.0700.00019.21
5.4.340.0120.02711.96
5.4.320.0070.03512.45
5.4.310.0030.04412.45
5.4.300.0090.04312.45
5.4.290.0090.03512.45
5.4.280.0080.03412.34
5.4.270.0100.03212.35
5.4.260.0100.03812.35
5.4.250.0090.04912.35
5.4.240.0060.03512.34
5.4.230.0050.03812.34
5.4.220.0070.03312.34
5.4.210.0050.03512.34
5.4.200.0040.03812.34
5.4.190.0060.03512.34
5.4.180.0080.03412.34
5.4.170.0100.03512.35
5.4.160.0070.03412.34
5.4.150.0100.03112.34
5.4.140.0070.03512.02
5.4.130.0070.03512.01
5.4.120.0050.03611.97
5.4.110.0110.03011.96
5.4.100.0060.03411.96
5.4.90.0050.04411.97
5.4.80.0090.03311.96
5.4.70.0080.03111.96
5.4.60.0090.03011.96
5.4.50.0060.03411.96
5.4.40.0080.03611.95
5.4.30.0050.03911.95
5.4.20.0080.03611.95
5.4.10.0110.02911.95
5.4.00.0060.03511.44
5.3.290.0080.03712.80
5.3.280.0070.03612.71
5.3.270.0040.04012.73
5.3.260.0060.03812.72
5.3.250.0130.04112.72
5.3.240.0090.03612.72
5.3.230.0030.04112.70
5.3.220.0050.04112.68
5.3.210.0100.03612.68
5.3.200.0100.03312.68
5.3.190.0120.03512.68
5.3.180.0050.03812.68
5.3.170.0050.03812.67
5.3.160.0050.03712.68
5.3.150.0080.03512.67
5.3.140.0080.03812.66
5.3.130.0040.04012.65
5.3.120.0050.04012.66
5.3.110.0060.03912.65
5.3.100.0070.03712.12
5.3.90.0060.03612.08
5.3.80.0070.03612.08
5.3.70.0050.03712.07
5.3.60.0060.03612.06
5.3.50.0050.03812.00
5.3.40.0070.03512.00
5.3.30.0090.03211.95
5.3.20.0060.03511.72
5.3.10.0050.03711.69
5.3.00.0040.04411.68
5.2.170.0070.0299.18
5.2.160.0070.0279.18
5.2.150.0040.0319.18
5.2.140.0030.0319.18
5.2.130.0080.0359.14
5.2.120.0050.0289.14
5.2.110.0050.0289.14
5.2.100.0060.0269.14
5.2.90.0060.0289.14
5.2.80.0060.0339.14
5.2.70.0070.0289.14
5.2.60.0100.0279.09
5.2.50.0060.0309.06
5.2.40.0060.0339.03
5.2.30.0080.0269.02
5.2.20.0050.0299.00
5.2.10.0050.0278.92
5.2.00.0060.0378.79
5.1.60.0070.0288.06
5.1.50.0050.0268.06
5.1.40.0070.0248.05
5.1.30.0070.0288.39
5.1.20.0030.0278.41
5.1.10.0080.0258.14
5.1.00.0040.0318.14
5.0.50.0030.0216.62
5.0.40.0060.0166.48
5.0.30.0040.0306.29
5.0.20.0010.0216.26
5.0.10.0040.0196.24
5.0.00.0050.0296.23
4.4.90.0040.0164.78
4.4.80.0020.0154.75
4.4.70.0040.0144.76
4.4.60.0020.0164.76
4.4.50.0050.0134.77
4.4.40.0030.0254.70
4.4.30.0040.0144.75
4.4.20.0050.0234.84
4.4.10.0030.0154.85
4.4.00.0040.0244.75
4.3.110.0030.0194.67
4.3.100.0030.0154.66
4.3.90.0050.0124.63
4.3.80.0030.0244.59
4.3.70.0020.0164.63
4.3.60.0010.0164.63
4.3.50.0050.0144.63
4.3.40.0060.0234.54
4.3.30.0030.0143.28
4.3.20.0040.0143.26
4.3.10.0030.0153.22
4.3.00.0070.0207.26

preferences:
41.79 ms | 401 KiB | 5 Q