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 } while( $stack->valid() ){ // any more nodes? echo $stack->pop(); $stack->next(); }

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)
8.3.40.0180.00418.86
8.3.30.0070.00718.96
8.3.20.0040.00420.20
8.3.10.0110.00722.14
8.3.00.0000.00922.44
8.2.170.0140.00722.96
8.2.160.0110.00320.77
8.2.150.0130.00624.18
8.2.140.0000.00824.66
8.2.130.0060.00326.16
8.2.120.0070.00417.63
8.2.110.0060.00322.21
8.2.100.0040.00819.64
8.2.90.0070.00019.05
8.2.80.0040.00417.97
8.2.70.0060.00317.50
8.2.60.0080.00017.80
8.2.50.0030.00618.07
8.2.40.0000.00818.28
8.2.30.0040.00417.93
8.2.20.0000.00717.66
8.2.10.0000.00819.50
8.2.00.0040.00417.62
8.1.270.0040.00422.04
8.1.260.0070.00026.35
8.1.250.0000.01428.09
8.1.240.0130.00618.54
8.1.230.0110.00019.04
8.1.220.0000.00817.76
8.1.210.0050.00318.77
8.1.200.0000.00817.35
8.1.190.0040.00417.53
8.1.180.0030.00618.60
8.1.170.0060.00318.46
8.1.160.0000.00721.96
8.1.150.0030.00518.54
8.1.140.0050.00317.34
8.1.130.0000.00717.69
8.1.120.0000.00717.37
8.1.110.0050.00317.29
8.1.100.0040.00417.34
8.1.90.0040.00417.42
8.1.80.0040.00417.37
8.1.70.0030.00317.43
8.1.60.0030.00517.44
8.1.50.0080.00017.43
8.1.40.0080.00017.53
8.1.30.0000.00817.71
8.1.20.0040.00417.58
8.1.10.0020.00517.52
8.1.00.0000.00817.46
8.0.300.0080.00018.77
8.0.290.0000.00717.05
8.0.280.0070.00018.49
8.0.270.0030.00617.23
8.0.260.0030.00316.86
8.0.250.0000.00716.95
8.0.240.0070.00016.93
8.0.230.0000.00716.96
8.0.220.0030.00316.88
8.0.210.0030.00316.93
8.0.200.0000.00616.89
8.0.190.0040.00416.92
8.0.180.0000.00716.88
8.0.170.0030.00416.88
8.0.160.0040.00416.79
8.0.150.0000.00816.79
8.0.140.0000.00716.78
8.0.130.0030.00313.33
8.0.120.0000.00816.86
8.0.110.0040.00416.78
8.0.100.0030.00616.87
8.0.90.0040.00416.79
8.0.80.0060.00916.88
8.0.70.0000.00716.77
8.0.60.0040.00416.76
8.0.50.0070.00016.68
8.0.30.0090.00917.19
8.0.20.0060.01217.40
8.0.10.0030.00316.88
8.0.00.0140.00716.79
7.4.330.0000.00515.08
7.4.320.0000.00616.49
7.4.300.0030.00316.52
7.4.290.0000.00716.61
7.4.280.0030.00316.61
7.4.270.0070.00016.41
7.4.260.0040.00416.39
7.4.250.0000.00716.61
7.4.240.0010.00616.52
7.4.230.0080.00016.61
7.4.220.0110.00716.63
7.4.210.0070.01116.64
7.4.200.0070.00016.41
7.4.190.0000.00716.69
7.4.160.0110.00516.42
7.4.150.0130.00317.40
7.4.140.0040.01317.86
7.4.130.0120.00616.44
7.4.120.0120.00716.42
7.4.110.0160.01016.34
7.4.100.0070.01016.53
7.4.90.0050.01416.59
7.4.80.0000.01619.39
7.4.70.0080.00816.30
7.4.60.0030.01316.55
7.4.50.0030.00616.58
7.4.40.0110.00322.77
7.4.30.0080.00816.54
7.4.00.0100.00815.04
7.3.330.0030.00213.21
7.3.320.0000.00513.23
7.3.310.0030.00316.39
7.3.300.0030.00316.11
7.3.290.0070.00716.31
7.3.280.0060.01116.30
7.3.270.0070.01017.40
7.3.260.0140.00316.39
7.3.250.0110.00616.48
7.3.240.0040.02016.52
7.3.230.0120.00816.39
7.3.210.0070.01116.64
7.3.200.0150.00719.39
7.3.190.0090.00916.64
7.3.180.0100.00716.48
7.3.170.0060.00916.32
7.3.160.0110.00816.25
7.3.120.0050.01114.68
7.3.110.0070.01115.10
7.3.100.0000.01414.82
7.3.90.0090.00614.70
7.3.80.0000.01514.70
7.3.70.0000.00915.00
7.3.60.0090.00614.80
7.3.50.0110.00314.79
7.3.40.0060.00314.70
7.3.30.0060.00914.61
7.3.20.0000.01116.67
7.3.10.0100.00816.46
7.3.00.0120.00816.40
7.2.330.0120.00616.45
7.2.320.0030.01416.67
7.2.310.0160.00516.51
7.2.300.0080.00816.38
7.2.290.0060.00916.64
7.2.250.0070.01414.84
7.2.240.0090.00915.22
7.2.230.0000.01415.00
7.2.220.0110.00415.19
7.2.210.0030.00714.76
7.2.200.0070.00714.93
7.2.190.0030.01014.64
7.2.180.0040.00715.01
7.2.170.0090.00614.83
7.2.130.0170.00716.58
7.2.120.0110.01116.49
7.2.110.0200.00316.35
7.2.100.0130.00716.28
7.2.90.0160.00616.81
7.2.80.0130.01016.58
7.2.70.0120.01016.63
7.2.60.0110.01116.81
7.2.50.0080.00816.59
7.2.40.0050.01316.47
7.2.30.0130.00616.34
7.2.20.0070.01016.41
7.2.10.0130.00716.12
7.2.00.0100.00517.32
7.1.330.0030.01015.69
7.1.320.0070.00715.70
7.1.310.0030.01015.70
7.1.300.0090.00315.64
7.1.290.0030.00615.75
7.1.280.0030.00815.76
7.1.270.0030.00515.77
7.1.260.0000.01015.55
7.1.250.0120.00815.28
7.1.200.0060.00615.79
7.1.100.0030.01217.91
7.1.70.0030.01017.28
7.1.60.0070.01419.82
7.1.50.0140.01834.61
7.1.00.0030.07722.35
7.0.200.0000.00716.88
7.0.140.0030.07321.97
7.0.60.0170.07320.07
7.0.50.0030.04317.88
7.0.40.0100.05020.23
7.0.30.0270.04020.00
7.0.20.0330.07020.00
7.0.10.0230.08320.09
7.0.00.0030.04320.00
5.6.280.0000.07320.92
5.6.210.0070.07020.62
5.6.200.0000.06018.17
5.6.190.0000.09320.27
5.6.180.3270.03720.48
5.6.170.0200.06320.45
5.6.160.0030.04020.40
5.6.150.0000.07018.18
5.6.140.0000.04018.08
5.6.130.0070.07718.14
5.6.120.0070.04721.11
5.6.110.0000.04720.98
5.6.100.0100.07720.88
5.6.90.0000.07721.10
5.6.80.0130.07020.53
5.6.70.0230.06320.37
5.5.350.0070.06720.38
5.5.340.0030.08717.98
5.5.330.0070.05020.47
5.5.320.0200.05320.51
5.5.310.0300.08020.18
5.5.300.0070.06717.95
5.5.290.0030.04717.91
5.5.280.0030.04320.96
5.5.270.0070.05720.75
5.5.260.0170.05320.87
5.5.250.0000.04320.68
5.5.240.0000.04020.21
5.4.450.0030.06319.63
5.4.440.0230.05019.55
5.4.430.0130.05319.52
5.4.420.0170.05019.32
5.4.410.0130.06719.35
5.4.400.0800.00018.68
5.4.390.0830.00018.72
5.4.380.0230.05318.67
5.4.370.0330.04018.52
5.4.360.0170.06018.66
5.4.350.0170.06018.68
5.4.340.0370.04718.71
5.4.320.0040.05412.46
5.4.310.0090.03612.46
5.4.300.0060.05212.46
5.4.290.0070.04212.45
5.4.280.0080.03712.35
5.4.270.0080.03712.35
5.4.260.0130.05718.64
5.4.250.0070.05318.69
5.4.240.0100.05718.64
5.4.230.0200.07019.02
5.4.220.0200.06318.73
5.4.210.0170.07018.85
5.4.200.0170.04718.69
5.4.190.0230.05018.91
5.4.180.0170.07018.98
5.4.170.0200.05318.63
5.4.160.0200.04318.77
5.4.150.0200.06018.88
5.4.140.0100.05316.51
5.4.130.0100.07016.45
5.4.120.0170.04316.24
5.4.110.0170.04316.19
5.4.100.0170.04316.39
5.4.90.0030.06716.45
5.4.80.0130.06716.49
5.4.70.0070.05316.48
5.4.60.0170.05016.31
5.4.50.0000.07716.45
5.4.40.0200.04716.54
5.4.30.0130.04716.35
5.4.20.0070.06316.27
5.4.10.0100.06016.40
5.4.00.0070.06315.73
5.3.290.0070.04512.80
5.3.280.0200.06014.61
5.3.270.0100.07714.52
5.3.260.0100.07314.48
5.3.250.0030.07714.62
5.3.240.0170.06714.49
5.3.230.0070.05714.75
5.3.220.0130.05714.44
5.3.210.0100.05014.34
5.3.200.0070.05714.28
5.3.190.0170.05314.58
5.3.180.0200.06014.48
5.3.170.0200.05014.67
5.3.160.0030.06314.54
5.3.150.0000.06014.34
5.3.140.0030.07714.57
5.3.130.0130.05714.46
5.3.120.0100.05714.64
5.3.110.0030.06014.32
5.3.100.0030.07314.05
5.3.90.0130.06713.90
5.3.80.0200.05713.90
5.3.70.0100.05013.88
5.3.60.0070.07313.88
5.3.50.0200.04714.04
5.3.40.0170.06014.04
5.3.30.0070.05013.92
5.3.20.0030.05313.71
5.3.10.0000.06013.49
5.3.00.0030.05313.68
5.2.170.0130.04311.15
5.2.160.0070.05711.16
5.2.150.0030.05011.23
5.2.140.0170.03311.14
5.2.130.0170.03310.86
5.2.120.0100.03711.11
5.2.110.0030.04011.10
5.2.100.0070.04011.25
5.2.90.0030.04311.02
5.2.80.0070.04310.99
5.2.70.0100.04311.10
5.2.60.0030.04310.88
5.2.50.0070.04011.11
5.2.40.0000.04710.99
5.2.30.0200.03010.73
5.2.20.0100.05310.86
5.2.10.0000.06011.02
5.2.00.0030.06010.79
5.1.60.0070.0339.84
5.1.50.0070.03310.04
5.1.40.0030.0479.90
5.1.30.0030.04710.55
5.1.20.0070.05310.43
5.1.10.0100.0479.97
5.1.00.0100.04310.29
5.0.50.0130.0278.60
5.0.40.0070.0238.31
5.0.30.0030.0438.15
5.0.20.0030.0278.18
5.0.10.0000.0338.00
5.0.00.0100.0408.21
4.4.90.0070.0207.00
4.4.80.0030.0207.00
4.4.70.0070.0177.00
4.4.60.0100.0137.00
4.4.50.0000.0277.00
4.4.40.0030.0377.00
4.4.30.0000.0307.00
4.4.20.0070.0176.95
4.4.10.0030.0236.87
4.4.00.0000.0406.87
4.3.110.0000.0236.87
4.3.100.0000.0276.87
4.3.90.0030.0206.87
4.3.80.0000.0476.87
4.3.70.0070.0206.87
4.3.60.0000.0236.87
4.3.50.0000.0276.87
4.3.40.0070.0376.87
4.3.30.0070.0276.87
4.3.20.0000.0236.87
4.3.10.0000.0236.87
4.3.00.0070.0277.27

preferences:
51.28 ms | 400 KiB | 5 Q