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 ,&$a); var_dump($a); 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)
8.3.60.0320.00418.43
8.3.50.0290.01021.90
8.3.40.0200.00818.67
8.3.30.0380.00418.86
8.3.20.0150.00520.36
8.3.10.0070.00422.09
8.3.00.0090.00322.34
8.2.180.0290.00718.20
8.2.170.0350.00722.96
8.2.160.0130.01021.07
8.2.150.0150.00024.18
8.2.140.0160.00424.66
8.2.130.0120.00626.16
8.2.120.0190.00019.17
8.2.110.0090.00622.18
8.2.100.0120.00617.91
8.2.90.0030.00719.13
8.2.80.0090.00418.05
8.2.70.0090.00317.25
8.2.60.0070.00417.68
8.2.50.0040.00918.07
8.2.40.0080.00618.16
8.2.30.0100.00018.13
8.2.20.0030.00717.78
8.2.10.0060.00617.67
8.2.00.0080.00417.63
8.1.280.0140.00925.92
8.1.270.0200.00724.66
8.1.260.0200.00026.35
8.1.250.0170.00028.09
8.1.240.0130.00923.86
8.1.230.0100.00619.16
8.1.220.0070.00317.74
8.1.210.0100.00318.77
8.1.200.0090.00617.35
8.1.190.0060.00617.66
8.1.180.0040.00818.10
8.1.170.0040.00818.71
8.1.160.0090.00421.99
8.1.150.0070.00318.70
8.1.140.0060.00617.56
8.1.130.0050.00517.77
8.1.120.0000.01217.59
8.1.110.0120.00017.51
8.1.100.0000.01217.49
8.1.90.0130.00017.52
8.1.80.0000.01217.60
8.1.70.0050.00517.39
8.1.60.0060.00617.68
8.1.50.0000.01317.54
8.1.40.0060.00317.56
8.1.30.0070.00417.66
8.1.20.0140.00017.69
8.1.10.0080.00417.43
8.1.00.0030.00717.52
8.0.300.0060.00318.77
8.0.290.0140.00016.91
8.0.280.0050.00518.40
8.0.270.0030.00717.26
8.0.260.0050.01016.80
8.0.250.0060.00616.92
8.0.240.0030.01016.86
8.0.230.0070.00416.82
8.0.220.0050.00516.84
8.0.210.0080.00016.70
8.0.200.0060.00316.75
8.0.190.0090.00316.92
8.0.180.0070.00716.90
8.0.170.0060.00616.88
8.0.160.0000.01016.88
8.0.150.0000.01216.73
8.0.140.0140.00016.78
8.0.130.0040.00713.37
8.0.120.0090.00416.69
8.0.110.0090.00016.80
8.0.100.0080.00416.64
8.0.90.0040.00716.78
8.0.80.0150.01116.79
8.0.70.0040.00816.64
8.0.60.0110.00016.78
8.0.50.0000.01116.62
8.0.30.0540.02616.75
8.0.20.0330.01817.40
8.0.10.0090.00516.89
8.0.00.0410.02316.46
7.4.330.0070.00315.14
7.4.320.0030.00716.47
7.4.300.0050.00516.45
7.4.290.0110.00016.40
7.4.280.0000.01216.28
7.4.270.0060.00616.41
7.4.260.0110.00416.36
7.4.250.0040.00916.45
7.4.240.0060.00516.46
7.4.230.0080.00416.19
7.4.220.0240.02116.44
7.4.210.0200.02016.44
7.4.200.0060.00316.48
7.4.190.0080.00316.42
7.4.160.0490.02216.43
7.4.150.0480.01717.40
7.4.140.0550.01717.86
7.4.130.0430.01516.43
7.4.120.0330.01416.46
7.4.110.0480.02616.50
7.4.100.0840.02816.48
7.4.90.0310.03316.42
7.4.80.0350.02716.28
7.4.70.0430.02416.60
7.4.60.0080.02316.35
7.4.50.0220.00016.37
7.4.40.0060.01622.77
7.4.30.0210.01716.55
7.4.00.0190.00614.57
7.3.330.0030.00513.28
7.3.320.0000.01013.26
7.3.310.0040.00816.07
7.3.300.0000.01016.25
7.3.290.0090.02116.14
7.3.280.0200.01816.15
7.3.270.0370.01817.40
7.3.260.0470.01316.31
7.3.250.0240.01516.34
7.3.240.0520.02016.25
7.3.230.0450.03216.52
7.3.210.0590.00916.14
7.3.200.1170.04119.39
7.3.190.0400.02516.30
7.3.180.0390.01216.06
7.3.170.0720.02116.32
7.3.160.0280.01216.41
7.3.120.0120.00914.80
7.2.330.0490.02416.66
7.2.320.0270.03916.55
7.2.310.0350.02516.66
7.2.300.0290.02516.53
7.2.290.0170.01416.25
7.2.60.0060.01016.89
7.2.50.0110.01116.80
7.1.200.0100.00315.92
7.1.70.0140.00416.93
7.1.60.0170.01719.82
7.1.50.0230.00716.73
7.0.200.0110.00416.71

preferences:
32.77 ms | 401 KiB | 5 Q