3v4l.org

run code in 300+ PHP versions simultaneously
<?php $dataset = array("a" => "one", "b" => "two"); reset($dataset); while ($a = current($dataset)) { next($dataset); if ($a == "one") { $dataset[$a] = "three"; } }

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)
8.3.60.0040.01118.68
8.3.50.0120.00722.11
8.3.40.0120.00318.46
8.3.30.0030.01019.23
8.3.20.0070.00020.13
8.3.10.0040.00423.49
8.3.00.0080.00020.94
8.2.180.0090.00616.38
8.2.170.0030.01022.96
8.2.160.0130.00720.35
8.2.150.0050.00324.18
8.2.140.0000.00724.66
8.2.130.0000.00726.16
8.2.120.0050.00319.23
8.2.110.0030.00622.28
8.2.100.0100.00319.88
8.2.90.0000.00919.13
8.2.80.0030.00617.97
8.2.70.0030.00617.38
8.2.60.0000.00817.78
8.2.50.0000.00818.07
8.2.40.0060.00319.97
8.2.30.0000.00718.14
8.2.20.0020.00517.50
8.2.10.0040.00418.00
8.2.00.0050.00319.53
8.1.280.0120.00325.92
8.1.270.0060.00323.79
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00622.18
8.1.230.0040.00719.10
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0030.00617.35
8.1.190.0050.00317.35
8.1.180.0040.00418.10
8.1.170.0040.00418.66
8.1.160.0040.00422.02
8.1.150.0000.00718.63
8.1.140.0000.00717.45
8.1.130.0000.00717.94
8.1.120.0000.00717.50
8.1.110.0040.00417.36
8.1.100.0030.00317.50
8.1.90.0040.00417.36
8.1.80.0000.00717.35
8.1.70.0000.00717.35
8.1.60.0030.00517.66
8.1.50.0040.00417.54
8.1.40.0030.00617.50
8.1.30.0000.00817.65
8.1.20.0000.00817.68
8.1.10.0000.00717.56
8.1.00.0050.00317.44
8.0.300.0000.00718.77
8.0.290.0000.00716.58
8.0.280.0070.00018.33
8.0.270.0030.00317.20
8.0.260.0000.00717.20
8.0.250.0040.00416.80
8.0.240.0000.00716.88
8.0.230.0030.00316.79
8.0.220.0080.00016.74
8.0.210.0040.00416.87
8.0.200.0050.00216.80
8.0.190.0030.00316.89
8.0.180.0040.00416.81
8.0.170.0080.00016.91
8.0.160.0040.00416.76
8.0.150.0030.00516.81
8.0.140.0070.00016.78
8.0.130.0030.00313.27
8.0.120.0040.00416.80
8.0.110.0040.00416.72
8.0.100.0000.00716.85
8.0.90.0030.00516.88
8.0.80.0100.01016.88
8.0.70.0030.00516.89
8.0.60.0070.00016.79
8.0.50.0000.00716.88
8.0.30.0090.00916.96
8.0.20.0140.00817.40
8.0.10.0070.00017.08
8.0.00.0090.00816.85
7.4.330.0020.00215.00
7.4.320.0030.00316.59
7.4.300.0000.00616.49
7.4.290.0030.00316.50
7.4.280.0040.00416.52
7.4.270.0040.00416.41
7.4.260.0000.00716.40
7.4.250.0030.00516.43
7.4.240.0040.00416.55
7.4.230.0070.00016.68
7.4.220.0070.01016.57
7.4.210.0110.00316.63
7.4.200.0000.00716.48
7.4.160.0080.00816.42
7.4.150.0090.00917.40
7.4.140.0140.00817.86
7.4.130.0150.00916.56
7.4.120.0120.00516.47
7.4.110.0100.01316.55
7.4.100.0100.00716.39
7.4.90.0080.00816.48
7.4.80.0080.01119.39
7.4.70.0090.00816.50
7.4.60.0180.00316.44
7.4.50.0060.00016.50
7.4.40.0070.01016.26
7.4.30.0120.00816.34
7.4.10.0090.00915.03
7.4.00.0080.00514.82
7.3.330.0000.00613.21
7.3.320.0060.00013.01
7.3.310.0030.00316.23
7.3.300.0040.00316.22
7.3.290.0080.00816.29
7.3.280.0090.01016.32
7.3.270.0100.00617.40
7.3.260.0070.01416.27
7.3.250.0100.00816.44
7.3.240.0090.01316.19
7.3.230.0150.00616.39
7.3.210.0130.00816.22
7.3.200.0060.01519.39
7.3.190.0110.00816.47
7.3.180.0110.00616.34
7.3.170.0060.01116.42
7.3.160.0060.00916.33
7.3.130.0090.00914.48
7.3.120.0060.01014.76
7.3.110.0030.01314.84
7.3.100.0040.00814.82
7.3.90.0000.01414.87
7.3.80.0030.00714.66
7.3.70.0030.01014.82
7.3.60.0050.00514.68
7.3.50.0070.00714.85
7.3.40.0100.00014.74
7.3.30.0080.00814.74
7.3.20.0100.00316.58
7.3.10.0110.00316.69
7.3.00.0110.00316.44
7.2.330.0090.00916.55
7.2.320.0060.01216.51
7.2.310.0160.00016.70
7.2.300.0000.01616.36
7.2.290.0120.00616.38
7.2.260.0110.01114.72
7.2.250.0070.01015.12
7.2.240.0120.00315.17
7.2.230.0000.01415.02
7.2.220.0060.01014.97
7.2.210.0080.00314.76
7.2.200.0110.00414.82
7.2.190.0090.00615.09
7.2.180.0070.00315.02
7.2.170.0070.00315.05
7.2.160.0030.01514.82
7.2.150.0100.00716.96
7.2.140.0000.01316.93
7.2.130.0000.01216.87
7.2.120.0070.01016.43
7.2.110.0090.00916.91
7.2.100.0060.01316.97
7.2.90.0080.00616.48
7.2.80.0000.00917.01
7.2.70.0000.01516.77
7.2.60.0070.00716.83
7.2.50.0060.00616.69
7.2.40.0030.01016.93
7.2.30.0060.00316.89
7.2.20.0060.00816.73
7.2.10.0080.00816.65
7.2.00.0060.00817.93
7.1.330.0090.00415.92
7.1.320.0000.01015.60
7.1.310.0030.01015.79
7.1.300.0100.00315.93
7.1.290.0030.00615.76
7.1.280.0030.01015.89
7.1.270.0030.00715.78
7.1.260.0000.01315.82
7.1.250.0070.00715.84
7.1.240.0090.00915.83
7.1.230.0130.00615.63
7.1.220.0040.00415.95
7.1.210.0000.01415.96
7.1.200.0030.00915.81
7.1.190.0080.00415.82
7.1.180.0070.00415.88
7.1.170.0070.00715.96
7.1.160.0040.00415.98
7.1.150.0060.00315.95
7.1.140.0030.01015.97
7.1.130.0030.00615.78
7.1.120.0090.00015.97
7.1.110.0060.01216.00
7.1.100.0000.00916.94
7.1.90.0030.00615.75
7.1.80.0070.00415.96
7.1.70.0070.00516.42
7.1.60.0090.01017.66
7.1.50.0200.00525.12
7.1.40.0030.01315.87
7.1.30.0130.00015.81
7.1.20.0060.00615.86
7.1.10.0060.00615.77
7.1.00.0070.03719.01
7.0.330.0050.00515.39
7.0.320.0040.00715.61
7.0.310.0030.01015.39
7.0.300.0100.00315.32
7.0.290.0000.00715.42
7.0.280.0080.00315.32
7.0.270.0030.00815.11
7.0.260.0040.00915.42
7.0.250.0000.00815.62
7.0.240.0100.00315.54
7.0.230.0040.01115.51
7.0.220.0070.00315.44
7.0.210.0080.00815.37
7.0.200.0020.01016.08
7.0.190.0000.01515.54
7.0.180.0150.00015.45
7.0.170.0060.00915.55
7.0.160.0060.00615.40
7.0.150.0070.00615.57
7.0.140.0030.04218.64
7.0.130.0040.01115.18
7.0.120.0030.01415.51
7.0.110.0000.01315.48
7.0.100.0040.00715.21
7.0.90.0060.00615.61
7.0.80.0030.00715.48
7.0.70.0090.00015.37
7.0.60.0070.04817.70
7.0.50.0030.03416.66
7.0.40.0090.02516.97
7.0.30.0210.01816.95
7.0.20.0150.03816.88
7.0.10.0220.04016.62
7.0.00.0020.02516.86
5.6.400.0070.00714.43
5.6.390.0070.00714.46
5.6.380.0060.00314.79
5.6.370.0060.00914.26
5.6.360.0030.01014.30
5.6.350.0080.00814.27
5.6.340.0040.01114.79
5.6.330.0040.00814.60
5.6.320.0080.00414.34
5.6.310.0070.00314.52
5.6.300.0030.00913.84
5.6.290.0070.01114.13
5.6.280.0000.04317.57
5.6.270.0040.00714.08
5.6.260.0130.00014.29
5.6.250.0030.01014.09
5.6.240.0120.00314.57
5.6.230.0060.00914.52
5.6.220.0000.01214.17
5.6.210.0070.04417.56
5.6.200.0000.02716.30
5.6.190.0050.02717.50
5.6.180.0040.04517.51
5.6.170.0170.04217.50
5.6.160.0090.04517.39
5.6.150.0090.04316.20
5.6.140.0070.03716.38
5.6.130.0100.04016.31
5.6.120.0080.03817.62
5.6.110.0050.04317.61
5.6.100.0120.03717.73
5.6.90.0060.04817.78
5.6.80.0120.04017.25
5.6.70.0170.02817.31
5.6.60.0030.01014.06
5.6.50.0070.00714.06
5.6.40.0070.00714.39
5.6.30.0030.01014.38
5.6.20.0030.00914.17
5.6.10.0040.01114.12
5.6.00.0030.01014.03
5.5.380.0040.00714.36
5.5.370.0000.01414.32
5.5.360.0030.01114.07
5.5.350.0050.03817.30
5.5.340.0050.04416.27
5.5.330.0070.04217.11
5.5.320.0160.04517.24
5.5.310.0170.04717.25
5.5.300.0080.03216.15
5.5.290.0020.03016.09
5.5.280.0050.05017.46
5.5.270.0050.02717.52
5.5.260.0090.03417.59
5.5.250.0020.04617.50
5.5.240.0100.02017.16
5.5.230.0050.00514.23
5.5.220.0040.01114.15
5.5.210.0030.01414.35
5.5.200.0030.00614.21
5.5.190.0060.00914.21
5.5.180.0100.00014.23
5.5.170.0080.00813.91
5.5.160.0050.00514.39
5.5.150.0030.01314.04
5.5.140.0030.00914.48
5.5.130.0090.00614.32
5.5.120.0040.01114.37
5.5.110.0070.00714.10
5.5.100.0080.00414.05
5.5.90.0060.00914.36
5.5.80.0030.01014.26
5.5.70.0130.00314.34
5.5.60.0070.00713.90
5.5.50.0110.00414.00
5.5.40.0080.00413.84
5.5.30.0100.00714.09
5.5.20.0000.01414.30
5.5.10.0040.00813.97
5.5.00.0120.00014.25
5.4.450.0170.02322.15
5.4.440.0260.02321.57
5.4.430.0240.02220.60
5.4.420.0200.01720.59
5.4.410.0080.02920.59
5.4.400.0210.02320.58
5.4.390.0230.02320.36
5.4.380.0070.03015.30
5.4.370.0140.02715.28
5.4.360.0120.02715.18
5.4.350.0120.03215.18
5.4.340.0060.03415.18
5.4.330.0000.01211.89
5.4.320.0040.02112.17
5.4.310.0060.02312.17
5.4.300.0080.02112.18
5.4.290.0070.02112.17
5.4.280.0020.02612.12
5.4.270.0080.02312.12
5.4.260.0060.02112.12
5.4.250.0110.02112.12
5.4.240.0080.02112.12
5.4.230.0090.03312.12
5.4.220.0070.02412.12
5.4.210.0050.03012.12
5.4.200.0080.02912.12
5.4.190.0040.02512.12
5.4.180.0040.02412.12
5.4.170.0080.02912.12
5.4.160.0040.02112.12
5.4.150.0100.01712.12
5.4.140.0040.02311.96
5.4.130.0070.01911.95
5.4.120.0070.01911.93
5.4.110.0020.02111.93
5.4.100.0080.01811.93
5.4.90.0080.01811.93
5.4.80.0050.02511.93
5.4.70.0100.01811.93
5.4.60.0070.01911.93
5.4.50.0060.02411.93
5.4.40.0070.01911.92
5.4.30.0060.02511.92
5.4.20.0020.02411.92
5.4.10.0040.02211.92
5.4.00.0020.02611.66
5.3.290.0040.02612.35
5.3.280.0050.02512.30
5.3.270.0070.02312.31
5.3.260.0040.02712.30
5.3.250.0060.02212.30
5.3.240.0030.02512.31
5.3.230.0050.02312.30
5.3.220.0050.02112.29
5.3.210.0040.02512.29
5.3.200.0040.02212.29
5.3.190.0080.02012.28
5.3.180.0040.02312.28
5.3.170.0050.02312.28
5.3.160.0060.02412.28
5.3.150.0070.02112.28
5.3.140.0030.02412.28
5.3.130.0060.02212.28
5.3.120.0080.03212.28
5.3.110.0060.02412.28
5.3.100.0060.03612.00
5.3.90.0060.03311.99
5.3.80.0070.02211.98
5.3.70.0080.02411.98
5.3.60.0070.02411.98
5.3.50.0050.02111.95
5.3.40.0050.02911.95
5.3.30.0090.02011.92
5.3.20.0040.02411.80
5.3.10.0090.02711.79
5.3.00.0050.02311.79
5.2.170.0050.0329.18
5.2.160.0040.0349.18
5.2.150.0100.0339.18
5.2.140.0110.0819.17
5.2.130.0090.0519.13
5.2.120.0070.0379.13
5.2.110.0080.0449.14
5.2.100.0090.0389.14
5.2.90.0040.0339.14
5.2.80.0060.0359.14
5.2.70.0060.0319.13
5.2.60.0080.0289.09
5.2.50.0060.0329.06
5.2.40.0070.0339.03
5.2.30.0030.0329.00
5.2.20.0070.0299.00
5.2.10.0060.0338.92
5.2.00.0050.0458.77
5.1.60.0090.0338.06
5.1.50.0060.0368.05
5.1.40.0080.0348.04
5.1.30.0060.0338.39
5.1.20.0040.0378.41
5.1.10.0100.0298.14
5.1.00.0090.0328.14
5.0.50.0050.0276.61
5.0.40.0080.0276.47
5.0.30.0050.0406.29
5.0.20.0040.0196.26
5.0.10.0050.0206.23
5.0.00.0060.0336.23
4.4.90.0020.0204.77
4.4.80.0080.0254.75
4.4.70.0070.0274.76
4.4.60.0030.0214.75
4.4.50.0050.0234.77
4.4.40.0050.0294.71
4.4.30.0030.0154.76
4.4.20.0040.0234.85
4.4.10.0040.0234.85
4.4.00.0020.0324.75
4.3.110.0040.0164.67
4.3.100.0030.0224.66
4.3.90.0030.0194.63
4.3.80.0030.0274.58
4.3.70.0030.0254.63
4.3.60.0050.0184.63
4.3.50.0050.0214.63
4.3.40.0050.0314.54
4.3.30.0030.0223.29
4.3.20.0040.0273.26
4.3.10.0040.0153.23
4.3.00.0030.01726.93

preferences:
44.05 ms | 400 KiB | 5 Q