3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array ('backtrace', 'print'); array_walk($array, 'walk_callback', str_repeat("\0",1024)); function walk_callback($value, $key, $userdata) { if ($value == 'print') { var_dump(bin2hex($userdata)); exit("\n\n"); } elseif ($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)
8.3.60.0090.00618.55
8.3.50.0100.01022.02
8.3.40.0110.00418.68
8.3.30.0040.01119.15
8.3.20.0040.00420.16
8.3.10.0040.00421.89
8.3.00.0040.00422.52
8.2.180.0120.00318.41
8.2.170.0140.00022.96
8.2.160.0130.00720.47
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0000.00726.16
8.2.120.0000.00817.38
8.2.110.0040.00422.08
8.2.100.0000.01119.45
8.2.90.0000.00719.02
8.2.80.0040.00417.97
8.2.70.0000.00917.50
8.2.60.0030.00517.92
8.2.50.0120.00318.07
8.2.40.0060.00318.16
8.2.30.0030.00717.88
8.2.20.0040.00417.56
8.2.10.0000.00817.82
8.2.00.0050.00317.80
8.1.280.0040.01125.92
8.1.270.0080.00022.10
8.1.260.0000.00826.35
8.1.250.0050.00228.09
8.1.240.0040.00423.96
8.1.230.0070.00318.91
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0040.00417.25
8.1.190.0040.00417.53
8.1.180.0040.00418.10
8.1.170.0040.00418.52
8.1.160.0000.00821.94
8.1.150.0040.00418.51
8.1.140.0000.00817.39
8.1.130.0040.00417.87
8.1.120.0000.00717.52
8.1.110.0000.00717.35
8.1.100.0000.00717.48
8.1.90.0000.00717.40
8.1.80.0030.00317.47
8.1.70.0000.00717.45
8.1.60.0040.00417.46
8.1.50.0040.00417.52
8.1.40.0080.00017.55
8.1.30.0040.00417.53
8.1.20.0040.00417.65
8.1.10.0060.00317.38
8.1.00.0040.00417.46
8.0.300.0070.00018.77
8.0.290.0030.00317.16
8.0.280.0000.00718.38
8.0.270.0000.00717.20
8.0.260.0030.00316.73
8.0.250.0070.00016.87
8.0.240.0070.00016.85
8.0.230.0040.00416.98
8.0.220.0070.00016.95
8.0.210.0070.00016.96
8.0.200.0030.00316.96
8.0.190.0080.00016.82
8.0.180.0030.00616.90
8.0.170.0030.00516.88
8.0.160.0000.00716.83
8.0.150.0000.00716.77
8.0.140.0000.00716.91
8.0.130.0000.00513.30
8.0.120.0050.00316.85
8.0.110.0020.00516.85
8.0.100.0000.00716.93
8.0.90.0030.00416.89
8.0.80.0100.00716.96
8.0.70.0070.00016.74
8.0.60.0070.00016.96
8.0.50.0050.00216.88
8.0.30.0100.01117.12
8.0.20.0100.01017.43
8.0.10.0000.00717.13
8.0.00.0130.00616.83
7.4.330.0000.00615.07
7.4.320.0060.00016.62
7.4.300.0000.00616.47
7.4.290.0000.00716.52
7.4.280.0030.00316.45
7.4.270.0000.00716.61
7.4.260.0070.00016.48
7.4.250.0000.00816.40
7.4.240.0040.00416.56
7.4.230.0030.00316.58
7.4.220.0110.00616.45
7.4.210.0050.01016.60
7.4.200.0000.00716.58
7.4.190.0000.00716.48
7.4.160.0130.00316.36
7.4.150.0180.00317.40
7.4.140.0100.00917.86
7.4.130.0080.01016.36
7.4.120.0120.00516.64
7.4.110.0130.00316.59
7.4.100.0000.01716.40
7.4.90.0150.00316.66
7.4.80.0120.00619.39
7.4.70.0100.00716.54
7.4.60.0060.01116.40
7.4.50.0030.00616.59
7.4.40.0000.01822.77
7.4.30.0120.00616.41
7.4.00.0000.01014.77
7.3.330.0050.00013.33
7.3.320.0050.00013.38
7.3.310.0000.00716.38
7.3.300.0030.00316.32
7.3.290.0090.01216.37
7.3.280.0050.01016.35
7.3.270.0170.00017.40
7.3.260.0120.00416.47
7.3.250.0140.00616.39
7.3.240.0090.00916.34
7.3.230.0170.00316.52
7.3.210.0110.00616.20
7.3.200.0030.01519.39
7.3.190.0070.01016.56
7.3.180.0040.01516.35
7.3.170.0060.00916.47
7.3.160.0050.01216.39
7.3.120.0000.01615.03
7.2.330.0100.00716.68
7.2.320.0060.01116.30
7.2.310.0090.01316.38
7.2.300.0070.01016.41
7.2.290.0060.01816.38
7.2.00.0070.00719.45
7.1.100.0040.00718.13
7.1.70.0000.00817.18
7.1.60.0000.02019.82
7.1.50.0090.01216.70
7.1.00.0130.06722.44
7.0.200.0030.00816.88
7.0.140.0070.07022.18
7.0.60.0100.08019.86
7.0.50.0070.08317.88
7.0.40.0070.08720.13
7.0.30.0130.04720.09
7.0.20.0100.04720.28
7.0.10.0200.07320.23
7.0.00.0130.08020.07
5.6.280.0070.07020.91
5.6.210.0130.07720.54
5.6.200.0100.05018.16
5.6.190.0130.08320.61
5.6.180.0070.08320.61
5.6.170.0300.06320.52
5.6.160.0030.06720.55
5.6.150.0070.04318.23
5.6.140.0030.04018.17
5.6.130.0070.08018.28
5.6.120.0070.04320.90
5.6.110.0070.07021.13
5.6.100.0130.07721.14
5.6.90.0070.08020.98
5.6.80.0070.06320.53
5.6.70.0200.03020.38
5.5.350.0070.08320.41
5.5.340.0130.07317.96
5.5.330.0030.04720.57
5.5.320.0270.04320.30
5.5.310.0270.08020.41
5.5.300.0070.06717.95
5.5.290.0030.08717.95
5.5.280.0100.03320.76
5.5.270.0030.07720.88
5.5.260.0070.06020.96
5.5.250.0170.05720.66
5.5.240.0130.08020.35
5.4.450.0800.07719.63
5.4.440.0530.07019.55
5.4.430.0170.04719.26
5.4.420.0030.06019.68
5.4.410.0170.04718.69
5.4.400.1070.06018.88
5.4.390.0130.06018.56
5.4.380.0270.04718.77
5.4.370.0000.04318.50
5.4.360.0130.03018.77
5.4.350.0080.03512.02
5.4.340.0050.04112.02
5.4.320.0060.04012.50
5.4.310.0120.03812.50
5.4.300.0060.04112.51
5.4.290.0070.03712.51
5.4.280.0060.03412.40
5.4.270.0100.06018.93
5.4.260.0100.05018.89
5.4.250.0130.05318.79
5.4.240.0100.06318.93
5.4.230.0170.05318.91
5.4.220.0070.06018.96
5.4.210.0100.07718.92
5.4.200.0130.06318.60
5.4.190.0130.05018.91
5.4.180.0200.04018.78
5.4.170.0130.06318.78
5.4.160.0130.07018.93
5.4.150.0100.06718.89
5.4.140.0130.07016.55
5.4.130.0000.05316.40
5.4.120.0030.06016.51
5.4.110.0170.06316.60
5.4.100.0230.05016.34
5.4.90.0100.04716.30
5.4.80.0130.05716.32
5.4.70.0130.06316.48
5.4.60.0130.04716.47
5.4.50.0130.04016.41
5.4.40.0030.05316.44
5.4.30.0030.07316.24
5.4.20.0130.04716.38
5.4.10.0100.07016.40
5.4.00.0100.04715.84
5.3.290.0050.04412.80
5.3.280.0030.05314.83
5.3.270.0100.05714.77
5.3.260.0070.06714.74
5.3.250.0170.04714.57
5.3.240.0100.06014.83
5.3.230.0170.04714.60
5.3.220.0070.04714.55
5.3.210.0130.06314.66
5.3.200.0030.07714.65
5.3.190.0230.04314.75
5.3.180.0000.06014.70
5.3.170.0100.04714.58
5.3.160.0130.04714.65
5.3.150.0130.06714.64
5.3.140.0130.04714.64
5.3.130.0070.05014.73
5.3.120.0100.07014.38
5.3.110.0200.05314.52
5.3.100.0070.05714.04
5.3.90.0170.06013.92
5.3.80.0170.05014.02
5.3.70.0000.06014.11
5.3.60.0100.05013.83
5.3.50.0170.05714.04
5.3.40.0100.06714.11
5.3.30.0070.07013.93
5.3.20.0200.05013.79
5.3.10.0130.04713.63
5.3.00.0030.05313.72
5.2.170.0070.04011.15
5.2.160.0100.05311.21
5.2.150.0030.05311.23
5.2.140.0070.06311.21
5.2.130.0200.05311.07
5.2.120.0100.04011.32
5.2.110.0130.05011.00
5.2.100.0070.05311.09
5.2.90.0100.03711.18
5.2.80.0030.04711.09
5.2.70.0130.05011.05
5.2.60.0100.04311.16
5.2.50.0070.05011.18
5.2.40.0100.04710.82
5.2.30.0070.04711.04
5.2.20.0000.04711.14
5.2.10.0030.04711.02
5.2.00.0070.05310.88
5.1.60.0000.05310.15
5.1.50.0130.04010.23
5.1.40.0030.0509.90
5.1.30.0170.03010.40
5.1.20.0070.04310.44
5.1.10.0070.05310.05
5.1.00.0130.04710.30
5.0.50.0030.0438.90
5.0.40.0100.0208.90
5.0.30.0000.0508.90
5.0.20.0070.0238.90
5.0.10.0030.0308.90
5.0.00.0030.0508.90
4.4.90.0070.0208.90
4.4.80.0000.0308.90
4.4.70.0030.0278.90
4.4.60.0070.0208.90
4.4.50.0000.0308.90
4.4.40.0030.0478.90
4.4.30.0030.0238.90
4.4.20.0030.0208.90
4.4.10.0070.0238.90
4.4.00.0100.0378.90
4.3.110.0000.0278.90
4.3.100.0000.0338.90
4.3.90.0000.0308.90
4.3.80.0030.0338.90
4.3.70.0030.0238.90
4.3.60.0000.0308.90
4.3.50.0000.0238.90
4.3.40.0030.0508.90
4.3.30.0000.0238.90
4.3.20.0000.0238.90
4.3.10.0070.0238.90
4.3.00.0100.0237.14

preferences:
46.23 ms | 401 KiB | 5 Q