3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array ('backtrace', 'print'); array_walk($array, 'walk_callback', str_repeat("\0",4096)); function walk_callback($value, $key, $userdata) { if ($value == 'print') { print($userdata); exit("\n\n"); } elseif ($value == 'backtrace') { debug_backtrace(); if ($userdata !== str_repeat("\0",1024)) { die("won't get here, \$userdata is still clean until we return"); } } }

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)
8.3.60.0030.01318.23
8.3.50.0150.00321.93
8.3.40.0060.01118.70
8.3.30.0130.00618.75
8.3.20.0080.00018.75
8.3.10.0080.00020.96
8.3.00.0040.00423.63
8.2.180.0150.00616.63
8.2.170.0110.00422.96
8.2.160.0000.01720.38
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0040.00420.81
8.2.110.0090.00021.00
8.2.100.0110.00317.91
8.2.90.0070.00017.75
8.2.80.0050.00318.73
8.2.70.0060.00317.61
8.2.60.0080.00017.63
8.2.50.0040.00417.63
8.2.40.0080.00019.23
8.2.30.0060.00321.25
8.2.20.0050.00317.70
8.2.10.0040.00417.63
8.2.00.0000.01017.81
8.1.280.0040.01125.92
8.1.270.0040.00423.99
8.1.260.0000.00826.35
8.1.250.0070.00028.09
8.1.240.0070.00319.09
8.1.230.0040.00718.96
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0080.00017.35
8.1.190.0040.00417.36
8.1.180.0000.00918.10
8.1.170.0030.00617.62
8.1.160.0040.00418.84
8.1.150.0040.00418.64
8.1.140.0040.00417.41
8.1.130.0000.00717.84
8.1.120.0080.00317.47
8.1.110.0040.00417.35
8.1.100.0000.00717.46
8.1.90.0000.00817.45
8.1.80.0070.00017.46
8.1.70.0000.00717.39
8.1.60.0000.00817.58
8.1.50.0040.00417.49
8.1.40.0040.00417.57
8.1.30.0030.00517.48
8.1.20.0060.00317.64
8.1.10.0000.00717.51
8.1.00.0000.00817.47
8.0.300.0070.00018.77
8.0.290.0060.00316.58
8.0.280.0070.00018.43
8.0.270.0000.00717.08
8.0.260.0030.00316.86
8.0.250.0000.00717.01
8.0.240.0060.00316.96
8.0.230.0000.00716.83
8.0.220.0000.00716.88
8.0.210.0000.00816.89
8.0.200.0030.00316.92
8.0.190.0040.00416.92
8.0.180.0050.00316.82
8.0.170.0030.00316.94
8.0.160.0070.00016.84
8.0.150.0000.00716.75
8.0.140.0040.00416.88
8.0.130.0030.00313.34
8.0.120.0040.00416.88
8.0.110.0040.00416.69
8.0.100.0070.00016.77
8.0.90.0040.00416.90
8.0.80.0100.00316.89
8.0.70.0030.00616.77
8.0.60.0000.00816.88
8.0.50.0070.00016.97
8.0.30.0110.00817.20
8.0.20.0130.00817.41
8.0.10.0040.00416.98
8.0.00.0070.01016.84
7.4.330.0050.00014.68
7.4.320.0030.00316.66
7.4.300.0030.00316.66
7.4.290.0050.00216.61
7.4.280.0040.00416.59
7.4.270.0000.00716.50
7.4.260.0000.00513.30
7.4.250.0080.00016.46
7.4.240.0070.00016.60
7.4.230.0030.00316.54
7.4.220.0110.00516.43
7.4.210.0050.01016.57
7.4.200.0040.00416.41
7.4.190.0070.00016.47
7.4.160.0130.01016.33
7.4.150.0060.01217.40
7.4.140.0100.00717.86
7.4.130.0090.01216.40
7.4.120.0110.00616.57
7.4.110.0070.01016.48
7.4.100.0090.01116.38
7.4.90.0090.00816.63
7.4.80.0130.01019.39
7.4.70.0130.00716.56
7.4.60.0130.00216.61
7.4.50.0030.00516.46
7.4.40.0100.00322.52
7.4.30.0080.00816.16
7.4.00.0120.00314.91
7.3.330.0060.00013.21
7.3.320.0000.00513.30
7.3.310.0030.00316.23
7.3.300.0040.00416.25
7.3.290.0030.01016.29
7.3.280.0110.00616.36
7.3.270.0130.00317.40
7.3.260.0140.00318.24
7.3.250.0120.00516.62
7.3.240.0090.00916.58
7.3.230.0040.01416.59
7.3.210.0060.01116.64
7.3.200.0140.00719.39
7.3.190.0030.01316.39
7.3.180.0030.01316.59
7.3.170.0100.00716.29
7.3.160.0070.01416.36
7.3.120.0100.00614.98
7.3.10.0040.01216.69
7.3.00.0100.00616.59
7.2.330.0150.00316.50
7.2.320.0060.01316.60
7.2.310.0070.01616.41
7.2.300.0090.01216.66
7.2.290.0030.01416.49
7.2.130.0140.00316.69
7.2.120.0060.00916.65
7.2.110.0060.00616.83
7.2.100.0030.00616.75
7.2.90.0060.01116.77
7.2.80.0080.00816.88
7.2.70.0080.00416.84
7.2.60.0030.01316.65
7.2.50.0060.00916.83
7.2.40.0030.01216.64
7.2.30.0120.00316.57
7.2.20.0040.01116.80
7.2.10.0080.00416.65
7.2.00.0050.00918.04
7.1.250.0070.01015.87
7.1.100.0040.00817.73
7.1.70.0060.00616.85
7.1.60.0060.00619.40
7.1.50.0000.02016.71
7.1.00.0030.04022.36
7.0.200.0000.00716.52
7.0.140.0030.07721.98
7.0.100.0170.03019.89
7.0.90.0000.04019.82
7.0.80.0070.03719.88
7.0.70.0070.08019.93
7.0.60.0100.03319.88
7.0.50.0000.05720.41
7.0.40.0030.04320.14
7.0.30.0070.04720.11
7.0.20.0100.04720.09
7.0.10.0000.04720.09
7.0.00.0070.04320.12
5.6.280.0030.07320.93
5.6.250.0130.03320.67
5.6.240.0000.04320.46
5.6.230.0030.03720.58
5.6.220.0100.03320.50
5.6.210.0070.04320.70
5.6.200.0070.04721.11
5.6.190.0030.04321.02
5.6.180.0030.04320.95
5.6.170.0030.05021.02
5.6.160.0030.04320.96
5.6.150.0070.04021.12
5.6.140.0070.04021.09
5.6.130.0000.05320.96
5.6.120.0070.04021.07
5.6.110.0000.04721.05
5.6.100.0100.04021.05
5.6.90.0030.05321.05
5.6.80.0070.04020.50
5.6.70.0000.06320.40
5.6.60.0030.04020.39
5.6.50.0100.03720.49
5.6.40.0030.04020.44
5.6.30.0070.04020.34
5.6.20.0100.07020.31
5.6.10.0230.05020.46
5.6.00.0100.07320.34
5.5.380.0100.03320.36
5.5.370.0000.03720.52
5.5.360.0030.03720.42
5.5.350.0070.03720.37
5.5.340.0100.04320.73
5.5.330.0070.03720.88
5.5.320.0100.04320.89
5.5.310.0070.04020.83
5.5.300.0030.05020.86
5.5.290.0070.04020.64
5.5.280.0100.03720.91
5.5.270.0000.04720.86
5.5.260.0030.04320.64
5.5.250.0100.03720.64
5.5.240.0000.04320.16
5.5.230.0030.04020.18
5.5.220.0070.03020.11
5.5.210.0000.04320.21
5.5.200.0030.03720.19
5.5.190.0100.03720.08
5.5.180.0030.06720.12
5.5.160.0030.07720.22
5.5.150.0100.04020.07
5.5.140.0030.07720.25
5.5.130.0070.03720.12
5.5.120.0100.07019.99
5.5.110.0130.06020.21
5.5.100.0030.05720.05
5.5.90.0100.06720.13
5.5.80.0000.04720.08
5.5.70.0170.06720.16
5.5.60.0030.07719.96
5.5.50.0100.04320.05
5.5.40.0070.07320.03
5.5.30.0000.04020.08
5.5.20.0000.08320.14
5.5.10.0100.07320.04
5.5.00.0030.07319.93
5.4.450.0000.04319.41
5.4.440.0030.04019.50
5.4.430.0030.04319.55
5.4.420.0030.04719.35
5.4.410.0000.04019.24
5.4.400.0000.04019.04
5.4.390.0030.04019.04
5.4.380.0030.04019.09
5.4.370.0000.04319.14
5.4.360.0100.03719.13
5.4.350.0070.04019.03
5.4.340.0070.03719.23
5.4.320.0070.03319.21
5.4.310.0130.06719.03
5.4.300.0100.03018.95
5.4.290.0030.03719.03
5.4.280.0070.05719.18
5.4.270.0100.07019.13
5.4.260.0000.08019.05
5.4.250.0200.02019.12
5.4.240.0030.08019.12
5.4.230.0130.06718.86
5.4.220.0030.04018.94
5.4.210.0030.04319.04
5.4.200.0070.09318.89
5.4.190.0000.08019.13
5.4.180.0070.03719.22
5.4.170.0030.08018.94
5.4.160.0130.06318.92
5.4.150.0070.07319.11
5.4.140.0030.03716.36
5.4.130.0030.04716.40
5.4.120.0070.03016.36
5.4.110.0000.03716.41
5.4.100.0000.07316.51
5.4.90.0100.07016.39
5.4.80.0000.07016.40
5.4.70.0030.07016.37
5.4.60.0100.07316.45
5.4.50.0170.04716.36
5.4.40.0100.07016.52
5.4.30.0030.06316.40
5.4.20.0070.07016.48
5.4.10.0000.07716.25
5.4.00.0030.04315.79
5.3.290.0100.05014.80
5.3.280.0100.03314.66
5.3.270.0030.07314.70
5.3.260.0070.06314.73
5.3.250.0030.06314.66
5.3.240.0070.07314.56
5.3.230.0100.05714.59
5.3.220.0000.07014.50
5.3.210.0100.06014.67
5.3.200.0070.07014.68
5.3.190.0070.06714.57
5.3.180.0030.03314.69
5.3.170.0100.07314.54
5.3.160.0130.05014.64
5.3.150.0030.06714.71
5.3.140.0000.08014.70
5.3.130.0100.04714.48
5.3.120.0030.07314.52
5.3.110.0070.03714.56
5.3.100.0070.06714.15
5.3.90.0070.06013.95
5.3.80.0030.07013.91
5.3.70.0030.07313.95
5.3.60.0070.06014.04
5.3.50.0130.06013.95
5.3.40.0100.07013.96
5.3.30.0030.04013.94
5.3.20.0100.03013.84
5.3.10.0030.05713.63
5.3.00.0070.03713.57
5.2.170.0030.03711.20
5.2.160.0030.05011.05
5.2.150.0030.04711.27
5.2.140.0000.03711.04
5.2.130.0000.04011.17
5.2.120.0000.03011.25
5.2.110.0070.06011.23
5.2.100.0030.05311.17
5.2.90.0100.06011.22
5.2.80.0100.02711.24
5.2.70.0070.06011.16
5.2.60.0030.06011.07
5.2.50.0030.05011.16
5.2.40.0100.05711.12
5.2.30.0000.06311.03
5.2.20.0000.04711.02
5.2.10.0000.03710.97
5.2.00.0030.05310.64
5.1.60.0000.0509.99
5.1.50.0070.03310.09
5.1.40.0030.04710.05
5.1.30.0070.05010.46
5.1.20.0030.02710.45
5.1.10.0070.02710.14
5.1.00.0000.04310.16
5.0.50.0000.0278.66
5.0.40.0070.0308.49
5.0.30.0070.0338.46
5.0.20.0000.0278.46
5.0.10.0000.0438.46
5.0.00.0070.0608.46
4.4.90.0030.0278.46
4.4.80.0030.0178.46
4.4.70.0000.0178.46
4.4.60.0000.0308.46
4.4.50.0000.0178.46
4.4.40.0030.0578.46
4.4.30.0000.0338.46
4.4.20.0070.0308.46
4.4.10.0030.0308.46
4.4.00.0070.0508.46
4.3.110.0000.0308.46
4.3.100.0070.0138.46
4.3.90.0000.0208.46
4.3.80.0000.0278.46
4.3.70.0000.0238.46
4.3.60.0070.0208.46
4.3.50.0000.0378.46
4.3.40.0070.0508.46
4.3.30.0000.0308.46
4.3.20.0000.0238.46
4.3.10.0000.0238.46
4.3.00.0030.0338.46

preferences:
44.93 ms | 401 KiB | 5 Q