3v4l.org

run code in 300+ PHP versions simultaneously
<?php $num = 23; $base = 2; $stack = new SplStack(); while( $num > 0) { $stack->push($num % $base); $num = (int) $num/$base; // no integer division } $stack->rewind(); while( $stack->valid() ) { $num = $stack->pop(); if ($num > 0) { echo $num; $stack->next(); } } echo "\n";

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)
8.3.60.0110.01118.41
8.3.50.0060.01122.03
8.3.40.0160.00018.91
8.3.30.0030.01219.04
8.3.20.0040.00420.34
8.3.10.0000.00721.98
8.3.00.0090.00022.52
8.2.180.0120.00316.50
8.2.170.0140.00322.96
8.2.160.0130.00020.79
8.2.150.0050.00324.18
8.2.140.0050.00324.66
8.2.130.0130.00326.16
8.2.120.0060.00317.75
8.2.110.0050.00520.94
8.2.100.0000.01218.09
8.2.90.0000.00819.28
8.2.80.0030.00617.97
8.2.70.0040.00417.63
8.2.60.0000.00818.03
8.2.50.0050.00318.10
8.2.40.0040.00420.59
8.2.30.0040.00419.13
8.2.20.0050.00217.64
8.2.10.0040.00419.51
8.2.00.0000.00917.63
8.1.280.0130.00725.92
8.1.270.0080.00022.06
8.1.260.0080.00026.35
8.1.250.0150.00028.09
8.1.240.0030.00724.03
8.1.230.0070.00420.39
8.1.220.0050.00317.74
8.1.210.0050.00318.77
8.1.200.0030.00617.23
8.1.190.0040.00417.35
8.1.180.0040.00418.10
8.1.170.0050.00318.65
8.1.160.0070.00018.86
8.1.150.0000.00720.01
8.1.140.0000.00817.30
8.1.130.0030.00317.70
8.1.120.0040.00417.43
8.1.110.0040.00417.30
8.1.100.0040.00417.29
8.1.90.0000.00717.42
8.1.80.0050.00317.29
8.1.70.0030.00317.36
8.1.60.0060.00317.45
8.1.50.0000.00717.44
8.1.40.0080.00017.52
8.1.30.0030.00617.58
8.1.20.0000.00817.67
8.1.10.0040.00417.54
8.1.00.0060.00317.38
8.0.300.0040.00418.78
8.0.290.0000.00816.61
8.0.280.0000.00718.51
8.0.270.0000.00817.29
8.0.260.0070.00016.76
8.0.250.0000.00717.00
8.0.240.0070.00017.00
8.0.230.0000.00716.94
8.0.220.0000.00716.89
8.0.210.0000.00716.79
8.0.200.0000.00716.95
8.0.190.0030.00616.86
8.0.180.0030.00316.91
8.0.170.0080.00016.92
8.0.160.0050.00316.86
8.0.150.0060.00316.91
8.0.140.0000.00716.76
8.0.130.0060.00013.34
8.0.120.0040.00416.89
8.0.110.0030.00516.80
8.0.100.0000.00817.01
8.0.90.0040.00416.85
8.0.80.0120.00316.86
8.0.70.0000.00716.93
8.0.60.0000.00716.72
8.0.50.0050.00316.80
8.0.30.0110.00917.11
8.0.20.0110.01117.40
8.0.10.0050.00317.05
8.0.00.0130.00816.61
7.4.330.0050.00015.00
7.4.320.0030.00316.53
7.4.300.0000.00616.49
7.4.290.0030.00316.57
7.4.280.0000.00716.61
7.4.270.0000.00716.61
7.4.260.0030.00516.42
7.4.250.0000.00716.56
7.4.240.0020.00516.59
7.4.230.0070.00016.59
7.4.220.0090.00916.51
7.4.210.0060.01116.53
7.4.200.0070.00016.55
7.4.190.0070.00016.39
7.4.160.0040.01216.31
7.4.150.0100.00717.40
7.4.140.0140.00317.86
7.4.130.0100.01016.51
7.4.120.0130.00416.59
7.4.110.0090.00916.73
7.4.100.0120.01216.56
7.4.90.0160.00016.45
7.4.80.0090.00919.39
7.4.70.0200.00316.67
7.4.60.0120.00916.43
7.4.50.0030.00516.24
7.4.40.0000.01422.77
7.4.30.0080.00816.57
7.4.00.0090.00615.13
7.3.330.0000.00613.02
7.3.320.0020.00213.09
7.3.310.0030.00516.13
7.3.300.0070.00016.25
7.3.290.0030.01016.30
7.3.280.0090.00716.26
7.3.270.0100.00617.40
7.3.260.0110.00616.37
7.3.250.0110.00716.39
7.3.240.0100.00916.31
7.3.230.0160.00016.39
7.3.210.0130.00616.35
7.3.200.0000.01619.39
7.3.190.0160.00616.32
7.3.180.0070.01016.43
7.3.170.0120.00816.32
7.3.160.0120.00416.45
7.3.120.0070.01014.80
7.3.110.0080.00314.97
7.3.100.0000.01614.91
7.3.90.0040.00814.63
7.3.80.0090.00314.87
7.3.70.0040.01114.71
7.3.60.0000.00915.00
7.3.50.0100.00014.96
7.3.40.0030.01514.89
7.3.30.0000.01214.92
7.3.20.0000.01116.79
7.3.10.0040.01116.82
7.3.00.0050.00816.61
7.2.330.0090.01116.72
7.2.320.0090.00916.61
7.2.310.0050.01116.48
7.2.300.0110.01216.71
7.2.290.0000.01916.82
7.2.250.0070.01014.92
7.2.240.0070.01115.27
7.2.230.0060.00615.19
7.2.220.0070.00715.11
7.2.210.0090.00914.98
7.2.200.0000.01014.75
7.2.190.0070.00714.94
7.2.180.0070.00715.20
7.2.170.0090.00615.01
7.2.60.0070.00316.79
7.2.00.0030.00719.40
7.1.330.0070.01115.76
7.1.320.0120.00315.81
7.1.310.0060.00615.71
7.1.300.0000.01315.83
7.1.290.0090.00315.88
7.1.280.0050.00315.80
7.1.270.0030.00915.99
7.1.260.0120.00315.99
7.1.200.0090.00315.94
7.1.100.0040.01118.16
7.1.70.0110.00716.81
7.1.60.0140.01119.82
7.1.50.0070.01816.93
7.1.00.0000.07722.35
7.0.200.0030.00316.76
7.0.140.0100.06722.08
7.0.110.0470.04320.08
7.0.100.0330.04020.10
7.0.90.0500.04019.92
7.0.80.0470.04320.07
7.0.70.0430.05019.92
7.0.60.0530.04020.01
7.0.50.0430.08320.03
7.0.40.0100.06319.77
7.0.30.0100.07019.82
7.0.20.0000.04019.65
7.0.10.0100.03019.75
7.0.00.0030.05319.70
5.6.280.0030.07321.17
5.6.260.0130.06020.65
5.6.250.0030.04720.67
5.6.240.0100.03020.56
5.6.230.0030.04720.63
5.6.220.0070.08020.53
5.6.210.0070.08020.35
5.6.200.0070.07320.62
5.6.190.0100.06720.64
5.6.180.0170.03320.69
5.6.170.0030.03320.47
5.6.160.0030.04020.68
5.6.150.0070.04320.64
5.6.140.0030.04720.81
5.6.130.0070.03720.63
5.6.120.0070.08320.70
5.6.110.0070.05020.61
5.6.100.0130.06320.60
5.6.90.0000.04720.59
5.6.80.0100.04719.93
5.6.70.0000.04320.02
5.6.60.0070.04720.06
5.6.50.0070.03319.93
5.6.40.0070.03720.03
5.6.30.0100.07019.97
5.6.20.0100.05020.03
5.6.10.0030.06319.91
5.6.00.0030.07019.99
5.5.380.0070.04017.47
5.5.370.0000.05017.55
5.5.360.0030.07317.50
5.5.350.0100.04017.56
5.5.340.0030.03318.10
5.5.330.0070.06017.75
5.5.320.0030.07017.91
5.5.310.0070.08318.09
5.5.300.0000.06318.08
5.5.290.0000.05317.82
5.5.280.0030.07018.01
5.5.270.0070.03318.04
5.5.260.0100.07018.00
5.5.250.0000.04017.87
5.5.240.0000.03717.45
5.5.230.0030.03317.39
5.5.220.0000.04317.21
5.5.210.0130.06317.20
5.5.200.0070.04317.18
5.5.190.0030.07717.36
5.5.180.0000.04017.42
5.5.160.0030.06717.37
5.5.150.0130.07017.36
5.5.140.0130.05317.46
5.5.130.0030.03317.36
5.5.120.0070.05017.18
5.5.110.0030.06717.41
5.5.100.0030.06717.35
5.5.90.0130.05717.25
5.5.80.0070.06017.32
5.5.70.0030.03717.30
5.5.60.0100.03317.07
5.5.50.0030.03717.16
5.5.40.0070.03317.15
5.5.30.0000.04017.11
5.5.20.0070.03017.28
5.5.10.0100.03317.09
5.5.00.0030.04316.98
5.4.450.0000.04719.26
5.4.440.0000.07019.17
5.4.430.0100.03719.35
5.4.420.0130.05719.32
5.4.410.0030.04319.23
5.4.400.0070.04318.94
5.4.390.0030.07018.80
5.4.380.0000.06719.21
5.4.370.0030.04019.05
5.4.360.0130.07019.05
5.4.350.0000.04019.05
5.4.340.0070.04719.04
5.4.320.0030.07718.79
5.4.310.0030.08018.95
5.4.300.0070.06718.87
5.4.290.0070.07318.93
5.4.280.0070.07018.89
5.4.270.0030.04019.03
5.4.260.0170.03719.21
5.4.250.0030.05718.95
5.4.240.0000.04018.89
5.4.230.0070.03018.95
5.4.220.0030.03718.95
5.4.210.0070.03319.21
5.4.200.0030.04018.91
5.4.190.0000.03318.96
5.4.180.0000.03718.93
5.4.170.0070.03318.93
5.4.160.0070.02718.90
5.4.150.0030.04018.90
5.4.140.0000.04016.42
5.4.130.0000.03716.21
5.4.120.0070.03316.21
5.4.110.0000.04016.36
5.4.100.0070.03016.13
5.4.90.0000.03716.39
5.4.80.0030.03316.43
5.4.70.0000.03716.38
5.4.60.0070.02316.34
5.4.50.0030.02716.34
5.4.40.0070.03316.25
5.4.30.0030.04016.36
5.4.20.0000.03316.23
5.4.10.0100.02316.34
5.4.00.0000.03715.90
5.3.290.0030.04014.35
5.3.280.0000.03714.54
5.3.270.0030.03714.32
5.3.260.0100.02314.31
5.3.250.0030.03014.53
5.3.240.0070.03314.32
5.3.230.0030.03714.44
5.3.220.0100.03014.27
5.3.210.0030.04014.26
5.3.200.0070.03014.49
5.3.190.0030.03714.33
5.3.180.0030.03014.19
5.3.170.0070.03314.50
5.3.160.0030.03714.34
5.3.150.0070.03014.32
5.3.140.0030.03714.17
5.3.130.0030.03014.16
5.3.120.0000.03314.26
5.3.110.0100.03014.27
5.3.100.0030.03713.75
5.3.90.0100.03013.96
5.3.80.0000.03313.67
5.3.70.0070.03313.87
5.3.60.0030.03713.61
5.3.50.0030.03013.50
5.3.40.0000.03713.63
5.3.30.0030.03013.70
5.3.20.0000.03013.55
5.3.10.0030.03713.27
5.3.00.0000.03713.29
5.2.170.0000.03011.93
5.2.160.0030.02711.93
5.2.150.0030.02311.93
5.2.140.0000.02711.93
5.2.130.0030.02311.93
5.2.120.0000.02711.93
5.2.110.0030.02311.93
5.2.100.0000.02311.93
5.2.90.0000.02711.93
5.2.80.0030.02311.93
5.2.70.0030.02311.93
5.2.60.0030.02711.93
5.2.50.0030.02311.93
5.2.40.0000.02711.93
5.2.30.0000.02311.93
5.2.20.0000.02711.93
5.2.10.0000.02311.93
5.2.00.0030.02311.93
5.1.60.0070.02311.93
5.1.50.0030.01711.93
5.1.40.0030.02011.93
5.1.30.0000.02711.93
5.1.20.0030.05311.93
5.1.10.0000.04311.93
5.1.00.0030.02311.93
5.0.50.0000.03711.93
5.0.40.0000.02311.93
5.0.30.0030.03011.93
5.0.20.0100.02011.93
5.0.10.0030.01711.93
5.0.00.0000.06011.93
4.4.90.0000.01311.93
4.4.80.0000.01711.93
4.4.70.0030.02011.93
4.4.60.0000.01311.93
4.4.50.0030.01311.93
4.4.40.0030.01711.93
4.4.30.0070.00711.93
4.4.20.0070.03011.93
4.4.10.0000.01711.93
4.4.00.0000.02711.93
4.3.110.0000.01711.93
4.3.100.0030.02311.93
4.3.90.0000.02311.93
4.3.80.0000.04311.93
4.3.70.0000.03011.93
4.3.60.0000.03711.93
4.3.50.0030.01011.93
4.3.40.0000.06011.93
4.3.30.0000.04011.93
4.3.20.0000.01711.93
4.3.10.0000.01711.93
4.3.00.0000.01311.93

preferences:
42.57 ms | 401 KiB | 5 Q