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 = $stack->current(); if ($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)
8.3.40.0071.99718.85
8.3.30.0071.99819.04
8.3.20.0101.99120.25
8.3.10.0071.99422.09
8.3.00.0071.99422.30
8.2.170.0071.99722.96
8.2.160.0002.00320.94
8.2.150.0031.99924.18
8.2.140.0071.99324.66
8.2.130.0002.00226.16
8.2.120.0171.98417.50
8.2.110.0032.00022.24
8.2.100.0071.99619.63
8.2.90.0032.00019.09
8.2.80.0002.00218.05
8.2.70.0002.00117.50
8.2.60.0071.99417.93
8.2.50.0031.99818.07
8.2.40.0002.00218.34
8.2.30.0031.99818.15
8.2.20.0002.00417.80
8.2.10.0031.99919.60
8.2.00.0031.99717.88
8.1.270.0101.99222.05
8.1.260.0071.99526.35
8.1.250.0071.99528.09
8.1.240.0071.99423.64
8.1.230.0101.98918.97
8.1.220.0032.00417.79
8.1.210.0071.99518.77
8.1.200.0071.99517.35
8.1.190.0071.99617.50
8.1.180.0031.99918.68
8.1.170.0031.99918.61
8.1.160.0071.99721.93
8.1.150.0031.99918.64
8.1.140.0071.99717.46
8.1.130.0031.99917.85
8.1.120.0032.00017.42
8.1.110.0031.99917.43
8.1.100.0002.00217.47
8.1.90.0031.99617.43
8.1.80.0002.00217.41
8.1.70.0071.99417.47
8.1.60.0071.99517.65
8.1.50.0031.99817.60
8.1.40.0032.00017.49
8.1.30.0002.00117.55
8.1.20.0032.00117.54
8.1.10.0032.00017.69
8.1.00.0071.99717.61
8.0.300.0032.00018.77
8.0.290.0002.00517.04
8.0.280.0031.99818.26
8.0.270.0201.98617.24
8.0.260.0032.00016.77
8.0.250.0002.00316.92
8.0.240.0071.99416.89
8.0.230.0031.99916.86
8.0.220.0031.99816.79
8.0.210.0031.99816.85
8.0.200.0002.00416.79
8.0.190.0071.99716.94
8.0.180.0002.00316.79
8.0.170.0002.00316.82
8.0.160.0071.99716.90
8.0.150.0031.99616.79
8.0.140.0031.99816.70
8.0.130.0002.00413.41
8.0.120.0031.99716.80
8.0.110.0002.00416.76
8.0.100.0101.99416.83
8.0.90.0032.00016.77
8.0.80.0131.98616.80
8.0.70.0032.00116.62
8.0.60.0071.99516.72
8.0.50.0031.99916.88
8.0.30.0111.98316.95
8.0.20.0211.98117.40
8.0.10.0031.99916.90
8.0.00.0071.98816.84
7.4.330.0031.99715.00
7.4.320.0002.00216.36
7.4.300.0002.00316.41
7.4.290.0002.00316.39
7.4.280.0032.00116.54
7.4.270.0032.00016.34
7.4.260.0032.00016.27
7.4.250.0031.99916.33
7.4.240.0031.99916.40
7.4.230.0032.00116.38
7.4.220.0161.98316.48
7.4.210.0101.99216.45
7.4.200.0031.99916.55
7.4.190.0071.99516.57
7.4.160.0071.99216.44
7.4.150.0101.99017.40
7.4.140.0151.98817.86
7.4.130.0072.00216.33
7.4.120.0181.97916.48
7.4.110.0032.45816.38
7.4.100.0162.44916.47
7.4.90.0102.44216.50
7.4.80.0102.45919.39
7.4.70.0262.37116.46
7.4.60.0102.46916.43
7.4.50.0002.49916.35
7.4.40.0072.48822.77
7.4.30.0062.47216.32
7.4.00.0072.49014.63
7.3.330.0031.99813.01
7.3.320.0032.00013.20
7.3.310.0031.99816.13
7.3.300.0031.99916.20
7.3.290.0321.94316.16
7.3.280.0111.99116.10
7.3.270.0811.90417.40
7.3.260.0131.99316.27
7.3.250.0131.98916.31
7.3.240.0201.98516.32
7.3.230.0192.25516.39
7.3.210.0202.44616.49
7.3.200.0062.43319.39
7.3.190.0192.42916.29
7.3.180.0202.41616.11
7.3.170.0072.43216.27
7.3.160.0162.44816.23
7.3.120.0102.48614.64
7.2.330.0032.45916.65
7.2.320.0062.45616.43
7.2.310.0232.43116.53
7.2.300.0102.43016.27
7.2.290.0132.45316.28
7.2.00.0032.49819.13
7.1.100.0102.49117.97
7.1.70.0002.50117.18
7.1.60.0032.49819.82
7.1.50.0172.48517.04
7.1.00.0072.49322.28
7.0.200.0032.49816.84
7.0.140.0102.49022.09
7.0.60.0132.48719.82
7.0.50.0032.49717.78
7.0.40.0102.49019.99
7.0.30.0372.46319.84
7.0.20.0172.48319.75
7.0.10.3302.17019.88
7.0.00.3472.15019.95
5.6.280.0102.49021.07
5.6.210.0032.49720.71
5.6.200.0032.49718.16
5.6.190.0032.49720.13
5.6.180.0272.47320.15
5.6.170.0272.47320.39
5.6.160.0032.49720.38
5.6.150.0002.50018.13
5.6.140.0032.49717.92
5.6.130.0132.48718.15
5.6.120.0102.49020.95
5.6.110.0102.49021.13
5.6.100.0132.48720.97
5.6.90.2232.27721.09
5.6.80.0072.49320.38
5.6.70.3672.13320.51
5.5.350.0232.42020.59
5.5.340.0132.44720.87
5.5.330.0302.41720.89
5.5.320.0202.39320.88
5.5.310.0202.41020.93
5.5.300.0372.39320.90
5.5.290.0232.43020.95
5.5.280.0202.40320.80
5.5.270.0372.40320.84
5.5.260.0232.42320.84
5.5.250.0302.42320.66
5.5.240.0132.42020.27
5.4.450.0202.43319.28
5.4.440.0102.38319.32
5.4.430.0072.44719.30
5.4.420.0402.38319.27
5.4.410.0302.41319.30
5.4.400.0232.41319.04
5.4.390.0172.42318.81
5.4.380.0372.38319.11
5.4.370.0302.20318.98
5.4.360.0102.20318.82
5.4.350.0172.43318.95
5.4.340.0132.43718.78
5.4.320.0232.40019.09
5.4.310.0172.41719.09
5.4.300.0172.43719.14
5.4.290.0232.43719.09
5.4.280.0272.43318.95
5.4.270.0132.42019.00
5.4.260.0102.44319.05
5.4.250.0202.44318.80
5.4.240.0132.38019.14
5.4.230.0432.40718.95
5.4.220.0102.46018.99
5.4.210.0132.42719.13
5.4.200.0202.43719.09
5.4.190.0272.39718.96
5.4.180.0172.43019.13
5.4.170.0232.42718.89
5.4.160.0132.42719.04
5.4.150.0102.44718.94
5.4.140.0332.39316.22
5.4.130.0202.45716.24
5.4.120.0202.44016.35
5.4.110.0172.38316.42
5.4.100.0102.36716.28
5.4.90.0072.42016.36
5.4.80.0272.37016.18
5.4.70.0232.40316.32
5.4.60.0132.43016.42
5.4.50.0132.40016.21
5.4.40.0072.44316.38
5.4.30.0132.45016.18
5.4.20.0232.42716.16
5.4.10.0202.41716.15
5.4.00.0102.43015.85
5.3.290.0002.41314.44
5.3.280.0202.41014.39
5.3.270.0072.42014.38
5.3.260.0172.44014.39
5.3.250.0232.41014.35
5.3.240.0102.43314.34
5.3.230.0102.42014.21
5.3.220.0132.42314.32
5.3.210.0402.42714.36
5.3.200.0232.41314.34
5.3.190.0202.44314.35
5.3.180.0102.44714.32
5.3.170.0232.43314.32
5.3.160.0132.43014.30
5.3.150.0202.42014.36
5.3.140.0172.42714.30
5.3.130.0372.42014.33
5.3.120.0202.43714.39
5.3.110.0132.45314.32
5.3.100.0202.36713.77
5.3.90.0272.41313.75
5.3.80.0172.37013.70
5.3.70.0232.40313.72
5.3.60.0102.38313.71
5.3.50.0202.43713.61
5.3.40.0302.35713.65
5.3.30.0502.38713.61
5.3.20.0132.39313.33
5.3.10.0402.44713.44
5.3.00.0132.44313.34
5.2.170.0100.03711.25
5.2.160.0000.05011.04
5.2.150.0000.04711.16
5.2.140.0130.05311.23
5.2.130.0170.04711.11
5.2.120.0130.05011.25
5.2.110.0130.05011.01
5.2.100.0100.05311.00
5.2.90.0130.05011.02
5.2.80.0070.04011.10
5.2.70.0130.05011.02
5.2.60.0170.03711.16
5.2.50.0030.04710.85
5.2.40.0100.05011.01
5.2.30.0170.05010.81
5.2.20.0030.04710.86
5.2.10.0100.05011.03
5.2.00.0100.05010.84
5.1.60.0070.03710.04
5.1.50.0170.03710.05
5.1.40.0100.03010.06
5.1.30.0070.03710.40
5.1.20.0030.05310.52
5.1.10.0070.0479.91
5.1.00.0070.05010.11
5.0.50.0070.0378.56
5.0.40.0100.0208.60
5.0.30.0030.0508.14
5.0.20.0000.0408.43
5.0.10.0070.0378.15
5.0.00.0030.0408.07
4.4.90.0100.0236.82
4.4.80.0070.0206.82
4.4.70.0070.0236.82
4.4.60.0030.0236.82
4.4.50.0000.0276.82
4.4.40.0100.0436.82
4.4.30.0000.0306.82
4.4.20.0030.0236.82
4.4.10.0070.0237.05
4.4.00.0000.0377.05
4.3.110.0030.0307.05
4.3.100.0030.0307.05
4.3.90.0030.0207.05
4.3.80.0100.0337.05
4.3.70.0030.0207.05
4.3.60.0030.0277.05
4.3.50.0100.0137.05
4.3.40.0000.0407.05
4.3.30.0000.0237.05
4.3.20.0030.0307.05
4.3.10.0070.0237.05
4.3.00.0070.0178.11

preferences:
38.17 ms | 400 KiB | 5 Q