3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array('a' => 'val1', 'b' => array('c' => 68)); $stack = array($array); while (count($stack) !== 0) { foreach ($stack as $k0 => $v0) { foreach ($v0 as $k1 => $v1) { if (is_array($v1)) { $stack[] = $v1; } else { $$k1 = $v1; } unset($k1, $v1); } unset($stack[$k0], $k0, $v0); } } unset($stack); var_dump(array_slice(get_defined_vars(), -5));

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)
8.3.40.0000.01518.84
8.3.30.0140.00719.04
8.3.20.0080.00020.31
8.3.10.0040.00423.65
8.3.00.0000.00819.38
8.2.170.0070.00722.96
8.2.160.0030.01020.40
8.2.150.0030.00624.18
8.2.140.0030.00524.66
8.2.130.0080.00026.16
8.2.120.0040.00422.27
8.2.110.0040.00722.22
8.2.100.0080.00417.83
8.2.90.0040.00419.26
8.2.80.0060.00317.97
8.2.70.0040.00417.59
8.2.60.0030.00618.05
8.2.50.0040.00418.07
8.2.40.0050.00320.07
8.2.30.0040.00418.06
8.2.20.0050.00317.75
8.2.10.0000.00818.18
8.2.00.0070.00317.75
8.1.270.0030.00522.06
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0030.00622.20
8.1.230.0040.00717.64
8.1.220.0030.00617.79
8.1.210.0050.00318.77
8.1.200.0030.00617.35
8.1.190.0000.00917.23
8.1.180.0040.00618.10
8.1.170.0100.00018.64
8.1.160.0030.00621.89
8.1.150.0060.00318.68
8.1.140.0060.00317.36
8.1.130.0030.00317.82
8.1.120.0000.00817.49
8.1.110.0100.00017.47
8.1.100.0040.00417.49
8.1.90.0070.00017.35
8.1.80.0040.00417.34
8.1.70.0050.00217.38
8.1.60.0000.00817.60
8.1.50.0030.00517.46
8.1.40.0050.00317.54
8.1.30.0050.00317.63
8.1.20.0000.00817.68
8.1.10.0080.00017.44
8.1.00.0000.00817.42
8.0.300.0040.00418.77
8.0.290.0050.00316.75
8.0.280.0030.00318.45
8.0.270.0040.00417.18
8.0.260.0030.00317.30
8.0.250.0040.00416.95
8.0.240.0030.00316.90
8.0.230.0030.00316.80
8.0.220.0070.00016.96
8.0.210.0030.00316.88
8.0.200.0030.00316.97
8.0.190.0040.00416.87
8.0.180.0050.00216.79
8.0.170.0040.00416.88
8.0.160.0040.00417.03
8.0.150.0000.00816.89
8.0.140.0080.00016.92
8.0.130.0040.00413.34
8.0.120.0030.00516.75
8.0.110.0040.00416.89
8.0.100.0050.00216.71
8.0.90.0080.00016.89
8.0.80.0030.01616.92
8.0.70.0040.00416.75
8.0.60.0070.00016.96
8.0.50.0030.00516.76
8.0.30.0190.00116.83
8.0.20.0090.00917.40
8.0.10.0070.00016.87
8.0.00.0140.00916.59
7.4.330.0050.00015.03
7.4.320.0000.00616.51
7.4.300.0080.00016.61
7.4.290.0030.00316.61
7.4.280.0000.00916.41
7.4.270.0030.00316.45
7.4.260.0000.00716.55
7.4.250.0040.00416.40
7.4.240.0060.00216.46
7.4.230.0000.00816.60
7.4.220.0130.01616.46
7.4.210.0090.00816.68
7.4.200.0070.00016.36
7.4.190.0030.00316.76
7.4.160.0080.01116.28
7.4.150.0110.00717.40
7.4.140.0090.01017.86
7.4.130.0080.01016.58
7.4.120.0110.00816.56
7.4.110.0150.00416.40
7.4.100.0090.01116.53
7.4.90.0070.01016.54
7.4.80.0090.02019.39
7.4.70.0060.01116.57
7.4.60.0090.00816.48
7.4.50.0060.00616.27
7.4.40.0100.00716.25
7.4.30.0070.01016.49
7.4.20.0130.00416.16
7.4.10.0090.00916.27
7.4.00.0060.00915.62
7.3.330.0060.00013.25
7.3.320.0000.00513.22
7.3.310.0040.00416.29
7.3.300.0040.00416.27
7.3.290.0040.01116.37
7.3.280.0100.00816.31
7.3.270.0110.00717.40
7.3.260.0150.00416.33
7.3.250.0120.01016.42
7.3.240.0120.00616.42
7.3.230.0120.00616.64
7.3.210.0060.01216.54
7.3.200.0220.01119.39
7.3.190.0130.00316.27
7.3.180.0070.01016.41
7.3.170.0130.00416.44
7.3.160.0060.00916.27
7.3.150.0090.00816.50
7.3.140.0060.01116.56
7.3.130.0120.00516.50
7.3.120.0030.01015.74
7.3.110.0070.01016.38
7.3.100.0130.00316.46
7.3.90.0030.01316.43
7.3.80.0140.00316.50
7.3.70.0120.00416.33
7.3.60.0040.01516.45
7.3.50.0120.00616.25
7.3.40.0140.00316.23
7.3.30.0120.00616.45
7.3.20.0090.00916.33
7.3.10.0170.00016.31
7.3.00.0100.00916.45
7.2.330.0120.00616.66
7.2.320.0070.01116.42
7.2.310.0140.00316.50
7.2.300.0060.01116.79
7.2.290.0030.01416.62
7.2.280.0120.00616.47
7.2.270.0130.00316.35
7.2.260.0090.00916.50
7.2.250.0130.00616.46
7.2.240.0040.01816.49
7.2.230.0070.01416.73
7.2.220.0080.01216.54
7.2.210.0060.01216.42
7.2.200.0110.00716.50
7.2.190.0170.00316.58
7.2.180.0060.01416.46
7.2.170.0110.00716.50
7.2.160.0100.00716.61
7.2.150.0080.00816.65
7.2.140.0040.01516.57
7.2.130.0310.00616.54
7.2.120.0150.00416.64
7.2.110.0120.00616.70
7.2.100.0140.00316.63
7.2.90.0030.02016.46
7.2.80.0060.01816.66
7.2.70.0080.01216.68
7.2.60.0120.00716.81
7.2.50.0140.00516.75
7.2.40.0150.00816.64
7.2.30.0100.00716.68
7.2.20.0090.00916.61
7.2.10.0100.00716.58
7.2.00.0030.01516.53
7.1.330.0110.00615.52
7.1.320.0130.00315.41
7.1.310.0030.01415.46
7.1.300.0090.00915.44
7.1.290.0140.00315.29
7.1.280.0170.00015.46
7.1.270.0100.00615.49
7.1.260.0080.00815.42
7.1.250.0090.00815.34
7.1.240.0110.00715.53
7.1.230.0050.01315.34
7.1.220.0100.00615.42
7.1.210.0140.00315.52
7.1.200.0090.00715.57
7.1.190.0030.01415.38
7.1.180.0100.01015.33
7.1.170.0100.00715.60
7.1.160.0090.00615.40
7.1.150.0100.00615.39
7.1.140.0130.00615.51
7.1.130.0160.00315.43
7.1.120.0090.00915.51
7.1.110.0070.01015.36
7.1.100.0080.00816.96
7.1.90.0130.00915.60
7.1.80.0160.00315.58
7.1.70.0070.01016.32
7.1.60.0100.01117.47
7.1.50.0050.01116.22
7.1.40.0040.01215.41
7.1.30.0060.01215.50
7.1.20.0090.00915.57
7.1.10.0110.00515.50
7.1.00.0070.05118.88
7.0.330.0030.01215.12
7.0.320.0160.00015.05
7.0.310.0040.01215.21
7.0.300.0040.01215.02
7.0.290.0040.01415.14
7.0.280.0100.00614.95
7.0.270.0070.01015.26
7.0.260.0040.01215.10
7.0.250.0060.01115.14
7.0.240.0090.00915.23
7.0.230.0130.00315.28
7.0.220.0090.00915.14
7.0.210.0080.00815.21
7.0.200.0100.00215.98
7.0.190.0160.00015.24
7.0.180.0000.01615.36
7.0.170.0100.00815.08
7.0.160.0150.00315.05
7.0.150.0090.00915.31
7.0.140.0100.03818.54
7.0.130.0180.00315.12
7.0.120.0100.00715.25
7.0.110.0110.00715.23
7.0.100.0130.00614.97
7.0.90.0130.00314.97
7.0.80.0160.00615.21
7.0.70.0150.01115.18
7.0.60.0210.04017.54
7.0.50.0150.04817.79
7.0.40.0150.04017.54
7.0.30.0120.04817.50
7.0.20.0200.04517.59
7.0.10.0180.04317.63
7.0.00.0190.04217.64
5.6.400.0080.01216.04
5.6.390.0070.01115.75
5.6.380.0080.01315.91
5.6.370.0030.02015.59
5.6.360.0090.00916.05
5.6.350.0140.00415.88
5.6.340.0110.00715.79
5.6.330.0070.01515.71
5.6.320.0120.01216.02
5.6.310.0180.00315.96
5.6.300.0120.00615.92
5.6.290.0120.01215.94
5.6.280.0070.04318.56
5.6.270.0080.01215.98
5.6.260.0140.00815.92
5.6.250.0090.00915.90
5.6.240.0120.01215.89
5.6.230.0070.01415.96
5.6.220.0190.00315.75
5.6.210.0180.04218.38
5.6.200.0160.04118.45
5.6.190.0170.04618.40
5.6.180.0180.04318.43
5.6.170.0180.04818.37
5.6.160.0210.04118.40
5.6.150.0150.05018.41
5.6.140.0180.04518.36
5.6.130.0190.04318.45
5.6.120.0250.03918.45
5.6.110.0130.04918.50
5.6.100.0150.04518.48
5.6.90.0180.04518.52
5.6.80.0280.03518.15
5.6.70.0150.03818.00
5.6.60.0220.04018.15
5.6.50.0190.04418.22
5.6.40.0170.03318.11
5.6.30.0210.03618.09
5.6.20.0150.04418.14
5.6.10.0150.04318.06
5.6.00.0190.04118.20
5.5.380.0070.01715.88
5.5.370.0150.00616.16
5.5.360.0040.01715.91
5.5.350.0200.04818.09
5.5.340.0210.04318.19
5.5.330.0190.04118.34
5.5.320.0240.04018.42
5.5.310.0200.04418.33
5.5.300.0200.04118.37
5.5.290.0220.04218.50
5.5.280.0210.04118.36
5.5.270.0110.03018.31
5.5.260.0220.04318.28
5.5.250.0260.03718.24
5.5.240.0170.04518.14
5.5.230.0180.04317.95
5.5.220.0190.04117.95
5.5.210.0190.04017.92
5.5.200.0140.03517.89
5.5.190.0170.04017.96
5.5.180.0180.04317.98
5.5.170.0150.00915.77
5.5.160.0130.04017.87
5.5.150.0200.04317.94
5.5.140.0150.04417.86
5.5.130.0210.03917.82
5.5.120.0180.04318.05
5.5.110.0190.04218.05
5.5.100.0160.04317.98
5.5.90.0260.03417.84
5.5.80.0180.04317.97
5.5.70.0180.03617.96
5.5.60.0220.03317.84
5.5.50.0230.03917.81
5.5.40.0210.02517.91
5.5.30.0150.04418.01
5.5.20.0230.03117.90
5.5.10.0160.04517.85
5.5.00.0180.04117.87
5.4.450.0250.03716.02
5.4.440.0200.04015.99
5.4.430.0170.03915.86
5.4.420.0150.04015.94
5.4.410.0190.03715.96
5.4.400.0210.03415.73
5.4.390.0160.04115.81
5.4.380.0170.04015.85
5.4.370.0150.04115.81
5.4.360.0210.03515.82
5.4.350.0100.03215.95
5.4.340.0200.03315.84
5.4.330.0070.00612.63
5.4.320.0160.03615.81
5.4.310.0200.03815.82
5.4.300.0190.03615.71
5.4.290.0180.02915.72
5.4.280.0200.03915.74
5.4.270.0130.03715.80
5.4.260.0170.03915.66
5.4.250.0240.03215.84
5.4.240.0150.04315.81
5.4.230.0140.04415.71
5.4.220.0160.03315.66
5.4.210.0110.03815.66
5.4.200.0180.03915.76
5.4.190.0150.04115.70
5.4.180.0150.04115.87
5.4.170.0130.02915.63
5.4.160.0180.03615.69
5.4.150.0190.03915.63
5.4.140.0190.03614.52
5.4.130.0180.03814.48
5.4.120.0100.04414.58
5.4.110.0210.02214.42
5.4.100.0130.03014.43
5.4.90.0170.02014.42
5.4.80.0120.02514.51
5.4.70.0190.02514.51
5.4.60.0130.02414.45
5.4.50.0160.02114.42
5.4.40.0100.02114.46
5.4.30.0080.02414.36
5.4.20.0150.02514.36
5.4.10.0130.02914.34
5.4.00.0090.02114.10
5.3.290.0160.03813.88
5.3.280.0160.03613.80
5.3.270.0150.03713.85
5.3.260.0120.04413.79
5.3.250.0170.02413.87
5.3.240.0120.03913.77
5.3.230.0170.04013.79
5.3.220.0230.02313.70
5.3.210.0190.02913.78
5.3.200.0160.02313.69
5.3.190.0150.02113.76
5.3.180.0120.02513.80
5.3.170.0130.02813.83
5.3.160.0140.02413.83
5.3.150.0170.01913.94
5.3.140.0130.02313.88
5.3.130.0120.03113.84
5.3.120.0150.02313.75
5.3.110.0060.03513.88
5.3.100.0140.02613.56
5.3.90.0050.03013.47
5.3.80.0130.01813.40
5.3.70.0100.02613.57
5.3.60.0100.02613.48
5.3.50.0150.02013.38
5.3.40.0160.01513.47
5.3.30.0140.02213.34
5.3.20.0130.01613.36
5.3.10.0110.01913.18
5.3.00.0070.02213.30
5.2.170.0080.01711.53
5.2.160.0090.01611.58
5.2.150.0130.01411.70
5.2.140.0060.02411.61
5.2.130.0090.01711.48
5.2.120.0080.01811.46
5.2.110.0120.01311.53
5.2.100.0080.01511.50
5.2.90.0100.02011.63
5.2.80.0080.02311.39
5.2.70.0100.01511.51
5.2.60.0130.01311.40
5.2.50.0080.02011.40
5.2.40.0100.01711.44
5.2.30.0080.01611.45
5.2.20.0100.01311.35
5.2.10.0090.01911.37
5.2.00.0120.02911.24
5.1.60.0080.02310.93
5.1.50.0150.01710.78
5.1.40.0140.02810.91
5.1.30.0100.03410.88
5.1.20.0130.02810.96
5.1.10.0060.02310.86
5.1.00.0120.02710.92
5.0.50.0080.02310.45
5.0.40.0080.02310.41
5.0.30.0070.03110.41
5.0.20.0080.02210.41
5.0.10.0100.02010.41
5.0.00.0030.03710.41
4.4.90.0000.01210.41
4.4.80.0030.00810.41
4.4.70.0060.00810.41
4.4.60.0070.00510.41
4.4.50.0020.01310.41
4.4.40.0040.01910.41
4.4.30.0070.01810.41
4.4.20.0030.01510.41
4.4.10.0060.01310.41
4.4.00.0060.02510.41
4.3.110.0050.01510.41
4.3.100.0060.01810.41
4.3.90.0070.01810.41
4.3.80.0050.02610.41
4.3.70.0100.01310.41
4.3.60.0060.02210.41
4.3.50.0030.01010.41
4.3.40.0000.01610.41
4.3.30.0040.00810.41
4.3.20.0020.02210.41
4.3.10.0030.01310.41
4.3.00.0050.02010.41

preferences:
42.93 ms | 400 KiB | 5 Q