3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(&$a); function fill (&$a, $i = 3) { if (!$i--) return; foreach ($a as &$tmp) { $tmp = array($tmp ,&$a); var_dump($i); return; fill($tmp, $i); } } fill($a);

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)
8.3.60.0030.01316.75
8.3.50.0080.01017.51
8.3.40.0140.00718.73
8.3.30.0060.00918.66
8.3.20.0070.00718.73
8.3.10.0040.00418.73
8.3.00.0050.00319.25
8.2.180.0060.01216.38
8.2.170.0090.00622.96
8.2.160.0120.00418.96
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0030.00526.16
8.2.120.0040.00420.72
8.2.110.0000.01120.34
8.2.100.0080.00417.84
8.2.90.0000.00817.88
8.2.80.0050.00318.74
8.2.70.0030.00617.50
8.2.60.0000.00817.50
8.2.50.0000.00818.04
8.2.40.0040.00419.31
8.2.30.0090.00017.59
8.2.20.0030.00617.61
8.2.10.0040.00417.73
8.2.00.0090.00017.63
8.1.280.0040.01125.92
8.1.270.0080.00023.99
8.1.260.0080.00026.35
8.1.250.0030.00528.09
8.1.240.0040.00423.68
8.1.230.0060.00622.66
8.1.220.0000.00818.57
8.1.210.0000.00918.77
8.1.200.0040.00417.35
8.1.190.0030.00617.35
8.1.180.0030.00518.10
8.1.170.0040.00417.62
8.1.160.0000.00718.92
8.1.150.0040.00418.62
8.1.140.0030.00517.36
8.1.130.0000.00717.44
8.1.120.0040.00417.47
8.1.110.0000.00717.41
8.1.100.0070.00017.40
8.1.90.0000.00717.43
8.1.80.0000.00717.34
8.1.70.0050.00317.34
8.1.60.0050.00317.58
8.1.50.0020.00517.39
8.1.40.0030.00617.58
8.1.30.0000.00817.63
8.1.20.0060.00317.55
8.1.10.0080.00017.40
8.1.00.0040.00417.49
8.0.300.0040.00418.77
8.0.290.0000.00816.63
8.0.280.0000.00718.62
8.0.270.0000.00817.27
8.0.260.0040.00418.45
8.0.250.0000.01016.83
8.0.240.0000.00716.97
8.0.230.0040.00416.93
8.0.220.0080.00016.82
8.0.210.0070.00016.89
8.0.200.0030.00316.86
8.0.190.0040.00416.96
8.0.180.0060.00316.88
8.0.170.0060.00316.74
8.0.160.0040.00416.95
8.0.150.0000.00816.82
8.0.140.0020.00516.86
8.0.130.0000.00613.30
8.0.120.0030.00616.85
8.0.110.0050.00316.91
8.0.100.0050.00216.75
8.0.90.0000.00716.88
8.0.80.0060.01116.85
8.0.70.0070.00016.88
8.0.60.0090.00016.99
8.0.50.0060.00316.94
8.0.30.0070.01017.02
8.0.20.0140.00517.09
8.0.10.0050.00316.81
8.0.00.0150.00516.62
7.4.330.0030.00313.03
7.4.320.0060.00016.50
7.4.300.0030.00316.52
7.4.290.0060.00016.63
7.4.280.0030.00516.52
7.4.270.0080.00016.48
7.4.260.0000.00713.28
7.4.250.0080.00016.63
7.4.240.0030.00316.53
7.4.230.0030.00616.53
7.4.220.0060.02016.59
7.4.210.0120.00816.67
7.4.200.0000.00716.47
7.4.190.0040.00416.45
7.4.160.0140.00316.24
7.4.150.0190.00016.45
7.4.140.0090.01216.54
7.4.130.0060.01116.47
7.4.120.0030.01616.35
7.4.110.0000.01816.61
7.4.100.0100.00716.61
7.4.90.0060.01116.48
7.4.80.0140.00319.39
7.4.70.0030.01316.66
7.4.60.0170.00416.62
7.4.50.0050.00016.52
7.4.40.0090.00616.41
7.4.30.0130.00316.49
7.4.00.0030.01014.83
7.3.330.0000.00813.25
7.3.320.0030.00313.11
7.3.310.0070.00016.20
7.3.300.0030.00316.30
7.3.290.0100.00616.28
7.3.280.0080.00816.34
7.3.270.0070.01016.25
7.3.260.0070.01016.37
7.3.250.0120.00816.38
7.3.240.0130.00316.28
7.3.230.0100.00616.64
7.3.210.0160.00016.41
7.3.200.0040.01316.63
7.3.190.0120.00916.24
7.3.180.0060.00916.22
7.3.170.0050.01116.43
7.3.160.0110.01116.46
7.3.120.0100.00314.91
7.2.330.0060.01816.69
7.2.320.0130.01016.74
7.2.310.0190.00716.71
7.2.300.0110.00516.79
7.2.290.0060.01016.77
7.2.00.0030.01019.28
7.1.100.0280.00717.16
7.1.70.0060.01317.04
7.1.60.0120.01219.30
7.1.50.0120.00316.60
7.1.00.0100.07722.48
7.0.200.0040.00416.73
7.0.140.0030.07322.15
7.0.120.0030.07322.13
7.0.60.0070.03720.10
7.0.50.0030.05017.87
7.0.40.0100.05020.25
7.0.30.0500.07320.11
7.0.20.0270.07720.19
7.0.10.0100.07320.16
7.0.00.0000.04720.24
5.6.280.0000.07721.15
5.6.210.0100.04020.69
5.6.200.0030.09018.29
5.6.190.0070.08320.57
5.6.180.0230.08320.69
5.6.170.0230.04020.45
5.6.160.0030.04320.52
5.6.150.0100.07318.19
5.6.140.0070.08318.14
5.6.130.0030.04018.27
5.6.120.0100.08321.00
5.6.110.0030.05721.14
5.6.100.0100.03321.11
5.6.90.0130.07320.95
5.6.80.0070.08020.41
5.6.70.4370.03320.51
5.5.350.0330.07020.49
5.5.340.0030.07717.99
5.5.330.0100.08020.47
5.5.320.0200.05020.25
5.5.310.0200.04320.30
5.5.300.0070.07718.01
5.5.290.0100.07717.92
5.5.280.0070.04320.75
5.5.270.0030.08720.88
5.5.260.0000.04320.76
5.5.250.0070.05020.68
5.5.240.0130.03320.27
5.4.450.0030.06719.48
5.4.440.0070.04319.57
5.4.430.0030.04719.56
5.4.420.0070.04019.32
5.4.410.0030.05019.05
5.4.400.0030.08019.12
5.4.390.0130.03019.16
5.4.380.0030.04319.15
5.4.370.0100.03718.98
5.4.360.0030.06319.16
5.4.350.0070.03719.16
5.4.340.0130.05318.94
5.4.320.0030.04019.16
5.4.310.0130.03718.85
5.4.300.0100.07318.97
5.4.290.0170.03318.99
5.4.280.0130.06319.24
5.4.270.0070.04318.91
5.4.260.0030.04319.16
5.4.250.0070.08318.84
5.4.240.0070.04718.91
5.4.230.0030.07718.86
5.4.220.0030.04319.23
5.4.210.0200.03018.84
5.4.200.0000.07718.97
5.4.190.0130.06018.91
5.4.180.0230.02019.13
5.4.170.0070.05319.10
5.4.160.0070.06318.96
5.4.150.0100.04018.83
5.4.140.0070.06316.50
5.4.130.0030.04016.34
5.4.120.0000.04016.41
5.4.110.0070.03716.30
5.4.100.0030.07316.30
5.4.90.0070.05716.30
5.4.80.0000.03716.45
5.4.70.0070.03016.34
5.4.60.0000.03716.34
5.4.50.0000.03716.51
5.4.40.0000.03716.28
5.4.30.0030.03316.44
5.4.20.0070.03316.27
5.4.10.0000.04016.34
5.4.00.0030.03315.79
5.3.290.0030.06314.68
5.3.280.0070.04314.62
5.3.270.0070.03714.61
5.3.260.0070.06714.75
5.3.250.0070.03714.60
5.3.240.0030.08014.67
5.3.230.0030.07714.59
5.3.220.0000.04714.61
5.3.210.0070.04014.48
5.3.200.0070.04314.62
5.3.190.0030.04014.57
5.3.180.0030.03714.62
5.3.170.0070.04014.63
5.3.160.0030.03714.61
5.3.150.0030.03714.61
5.3.140.0030.03714.47
5.3.130.0000.04714.43
5.3.120.0000.04014.54
5.3.110.0000.04014.59
5.3.100.0030.03714.09
5.3.90.0030.04014.04
5.3.80.0070.03314.04
5.3.70.0070.03014.02
5.3.60.0000.04014.02
5.3.50.0070.03313.91
5.3.40.0070.04013.83
5.3.30.0000.04013.90
5.3.20.0000.03713.72
5.3.10.0070.03013.65
5.3.00.0000.04013.63
5.2.170.0070.02311.11
5.2.160.0070.03011.18
5.2.150.0030.02711.11
5.2.140.0030.03311.15
5.2.130.0000.03310.99
5.2.120.0030.02711.13
5.2.110.0170.02011.10
5.2.100.0130.02311.16
5.2.90.0000.03011.13
5.2.80.0100.02011.09
5.2.70.0030.03011.09
5.2.60.0030.03011.05
5.2.50.0030.02711.03
5.2.40.0070.02310.99
5.2.30.0070.03010.89
5.2.20.0070.03011.02
5.2.10.0030.03011.01
5.2.00.0000.03310.77
5.1.60.0030.02310.04
5.1.50.0030.02310.14
5.1.40.0070.02010.04
5.1.30.0030.02310.34
5.1.20.0030.02310.24
5.1.10.0000.02710.07
5.1.00.0070.03310.10
5.0.50.0000.0478.61
5.0.40.0000.0338.49
5.0.30.0070.0378.37
5.0.20.0070.0378.25
5.0.10.0030.0408.11
5.0.00.0030.0438.22
4.4.90.0030.0138.11
4.4.80.0000.0178.11
4.4.70.0000.0178.11
4.4.60.0000.0178.11
4.4.50.0030.0138.11
4.4.40.0030.0238.11
4.4.30.0000.0178.11
4.4.20.0000.0178.11
4.4.10.0030.0238.11
4.4.00.0030.0378.11
4.3.110.0000.0238.11
4.3.100.0000.0208.11
4.3.90.0000.0338.11
4.3.80.0000.0338.11
4.3.70.0030.0338.11
4.3.60.0000.0378.11
4.3.50.0000.0378.11
4.3.40.0000.0308.11
4.3.30.0000.0278.11
4.3.20.0000.0378.11
4.3.10.0000.0378.11
4.3.00.0000.0378.11

preferences:
40.63 ms | 401 KiB | 5 Q