3v4l.org

run code in 300+ PHP versions simultaneously
<?php $list = new SplDoublyLinkedList; $list->push("bar"); var_dump($list->serialize()); var_dump(serialize(array("bar")));

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)
8.3.40.0170.00318.48
8.3.30.0070.00718.88
8.3.20.0040.00420.16
8.3.10.0050.00323.48
8.3.00.0040.00419.13
8.2.170.0140.00422.96
8.2.160.0040.01120.53
8.2.150.0040.00424.18
8.2.140.0030.00624.66
8.2.130.0040.00426.16
8.2.120.0040.00422.21
8.2.110.0050.00521.07
8.2.100.0060.00617.78
8.2.90.0080.00019.27
8.2.80.0080.00017.97
8.2.70.0000.00817.50
8.2.60.0040.00417.80
8.2.50.0040.00418.07
8.2.40.0040.00419.82
8.2.30.0030.00517.88
8.2.20.0050.00317.62
8.2.10.0040.00417.90
8.2.00.0030.00717.71
8.1.270.0060.00323.77
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00721.37
8.1.230.0000.01117.45
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0050.00517.35
8.1.190.0050.00317.23
8.1.180.0030.00618.10
8.1.170.0080.00018.50
8.1.160.0000.00721.88
8.1.150.0000.00818.63
8.1.140.0000.00717.26
8.1.130.0000.00717.83
8.1.120.0030.00517.39
8.1.110.0000.00717.43
8.1.100.0000.00717.35
8.1.90.0030.00317.35
8.1.80.0050.00217.37
8.1.70.0000.00717.32
8.1.60.0030.00617.55
8.1.50.0090.00017.46
8.1.40.0040.00417.36
8.1.30.0090.00017.54
8.1.20.0040.00417.58
8.1.10.0000.00717.39
8.1.00.0040.00417.50
8.0.300.0040.00418.77
8.0.290.0070.00016.63
8.0.280.0030.00318.37
8.0.270.0030.00517.18
8.0.260.0060.00017.12
8.0.250.0030.00316.90
8.0.240.0020.00516.90
8.0.230.0000.00716.96
8.0.220.0070.00016.88
8.0.210.0000.00716.72
8.0.200.0070.00016.96
8.0.190.0000.00816.79
8.0.180.0070.00016.87
8.0.170.0000.00816.91
8.0.160.0050.00316.70
8.0.150.0060.00316.90
8.0.140.0030.00316.88
8.0.130.0030.00313.31
8.0.120.0040.00416.80
8.0.110.0000.00716.82
8.0.100.0000.00816.87
8.0.90.0040.00416.83
8.0.80.0120.00316.75
8.0.70.0030.00316.70
8.0.60.0050.00316.70
8.0.50.0050.00316.72
8.0.30.0110.01016.77
8.0.20.0110.01017.40
8.0.10.0070.00016.95
8.0.00.0070.01016.72
7.4.330.0000.00515.08
7.4.320.0030.00316.52
7.4.300.0060.00016.33
7.4.290.0030.00316.39
7.4.280.0000.00716.38
7.4.270.0040.00416.57
7.4.260.0070.00016.54
7.4.250.0050.00316.38
7.4.240.0020.00516.42
7.4.230.0050.00216.53
7.4.220.0100.00716.38
7.4.210.0090.00716.56
7.4.200.0000.00716.64
7.4.190.0030.00316.53
7.4.160.0120.00316.21
7.4.150.0160.00317.40
7.4.140.0090.00917.86
7.4.130.0080.00816.31
7.4.120.0050.01216.38
7.4.110.0030.01316.32
7.4.100.0120.00916.32
7.4.90.0170.00016.39
7.4.80.0040.01719.39
7.4.70.0060.00916.43
7.4.60.0130.00316.31
7.4.50.0060.00316.37
7.4.40.0120.00916.23
7.4.30.0060.00916.41
7.4.00.0100.00714.92
7.3.330.0060.00013.13
7.3.320.0000.00612.86
7.3.310.0070.00016.23
7.3.300.0030.00316.24
7.3.290.0030.01116.10
7.3.280.0100.00716.13
7.3.270.0100.00717.40
7.3.260.0110.00716.18
7.3.250.0080.00916.40
7.3.240.0120.00916.16
7.3.230.0080.00816.39
7.3.210.0140.00316.37
7.3.200.0160.00719.39
7.3.190.0110.01116.30
7.3.180.0040.01116.34
7.3.170.0100.01316.30
7.3.160.0070.00716.13
7.3.120.0070.01214.66
7.3.110.0070.01114.54
7.3.100.0060.01314.71
7.3.90.0080.00614.35
7.3.80.0090.00614.63
7.3.70.0040.00714.55
7.3.60.0090.00614.44
7.3.50.0090.00914.87
7.3.40.0030.00814.53
7.3.30.0000.01214.68
7.3.20.0060.01016.60
7.3.10.0040.01116.50
7.3.00.0030.00516.56
7.2.330.0120.00616.35
7.2.320.0180.00316.27
7.2.310.0090.00916.28
7.2.300.0070.01316.51
7.2.290.0140.00316.52
7.2.250.0000.01914.86
7.2.240.0120.00314.96
7.2.230.0030.01215.06
7.2.220.0040.01114.93
7.2.210.0040.01514.59
7.2.200.0070.01014.76
7.2.190.0130.00714.82
7.2.180.0030.01314.79
7.2.170.0000.00914.56
7.2.160.0030.01314.57
7.2.150.0040.01516.77
7.2.140.0060.00316.75
7.2.130.0090.00916.59
7.2.120.0060.00916.55
7.2.110.0000.01116.49
7.2.100.0060.00916.77
7.2.90.0040.01116.67
7.2.80.0030.00916.71
7.2.70.0140.00016.84
7.2.60.0120.00616.78
7.2.50.0040.00716.65
7.2.40.0110.00716.82
7.2.30.0000.01016.91
7.2.20.0030.01316.75
7.2.10.0030.01016.59
7.2.00.0000.01418.14
7.1.330.0030.01415.53
7.1.320.0030.00915.71
7.1.310.0030.01215.84
7.1.300.0080.00815.67
7.1.290.0080.00315.78
7.1.280.0130.00015.76
7.1.270.0060.01015.78
7.1.260.0090.00015.35
7.1.250.0040.00815.67
7.1.240.0030.01015.41
7.1.230.0110.00315.71
7.1.220.0080.00515.72
7.1.210.0030.00915.53
7.1.200.0070.00715.47
7.1.190.0060.00315.73
7.1.180.0060.00815.71
7.1.170.0000.01715.72
7.1.160.0080.00815.77
7.1.150.0090.00315.60
7.1.140.0000.00815.50
7.1.130.0030.00915.74
7.1.120.0080.00615.75
7.1.110.0000.01315.66
7.1.100.0180.00916.94
7.1.90.0000.00915.63
7.1.80.0070.00715.39
7.1.70.0040.00616.32
7.1.60.0090.01117.66
7.1.50.0060.00816.29
7.1.40.0040.01115.79
7.1.30.0080.00015.74
7.1.20.0060.00315.62
7.1.10.0060.00915.67
7.1.00.0040.04219.04
7.0.330.0040.00715.00
7.0.320.0000.01015.21
7.0.310.0030.00615.28
7.0.300.0070.01015.08
7.0.290.0100.00415.23
7.0.280.0030.00615.27
7.0.270.0070.00715.29
7.0.260.0080.00315.08
7.0.250.0100.00315.33
7.0.240.0030.00615.35
7.0.230.0000.01015.31
7.0.220.0040.00415.38
7.0.210.0060.00615.33
7.0.200.0230.00314.97
7.0.190.0030.00715.23
7.0.180.0040.01115.25
7.0.170.0030.01015.30
7.0.160.0000.01515.18
7.0.150.0000.01115.05
7.0.140.0030.04018.57
7.0.130.0070.00715.18
7.0.120.0070.00715.25
7.0.110.0040.01115.40
7.0.100.0070.00715.14
7.0.90.0040.00415.52
7.0.80.0000.01215.37
7.0.70.0060.00315.04
7.0.60.0070.04217.65
7.0.50.0070.01916.64
7.0.40.0020.02916.90
7.0.30.0110.02816.73
7.0.20.0140.03216.79
7.0.10.0130.03516.80
7.0.00.0080.03116.83
5.6.400.0070.00714.55
5.6.390.0060.00613.97
5.6.380.0090.00614.63
5.6.370.0030.00714.45
5.6.360.0100.00314.16
5.6.350.0030.01014.59
5.6.340.0070.00714.57
5.6.330.0080.00414.50
5.6.320.0040.01114.36
5.6.310.0070.00714.57
5.6.300.0070.00714.09
5.6.290.0070.00714.14
5.6.280.0020.04117.46
5.6.270.0090.00614.23
5.6.260.0040.00414.64
5.6.250.0040.00714.55
5.6.240.0000.01114.34
5.6.230.0100.00614.21
5.6.220.0100.00714.16
5.6.210.0020.04717.46
5.6.200.0030.02716.26
5.6.190.0110.02317.56
5.6.180.0180.02517.31
5.6.170.0150.02717.37
5.6.160.0050.02417.41
5.6.150.0080.04316.09
5.6.140.0030.04816.18
5.6.130.0050.04016.38
5.6.120.0050.02917.62
5.6.110.0100.04317.61
5.6.100.0020.04417.75
5.6.90.0040.03017.49
5.6.80.0040.02317.46
5.6.70.0110.00413.97
5.6.60.0070.00714.07
5.6.50.0080.00614.13
5.6.40.0060.00614.25
5.6.30.0030.00914.15
5.6.20.0100.00714.37
5.6.10.0030.01413.89
5.6.00.0090.00314.01
5.5.380.0100.00314.37
5.5.370.0060.00314.19
5.5.360.0090.00914.34
5.5.350.2230.01717.35
5.5.340.0050.04316.13
5.5.330.0050.04417.34
5.5.320.1870.02717.12
5.5.310.0170.03517.33
5.5.300.0090.02116.09
5.5.290.0110.03316.01
5.5.280.0080.01817.48
5.5.270.0050.04517.66
5.5.260.0030.03817.33
5.5.250.0050.03717.37
5.5.240.0060.03817.22
5.5.230.0090.00314.06
5.5.220.0030.00914.23
5.5.210.0030.00714.00
5.5.200.0070.00414.16
5.5.190.0030.00613.91
5.5.180.0040.01114.18
5.5.170.0060.00914.01
5.5.160.0070.00714.24
5.5.150.0040.01114.11
5.5.140.0110.00313.97
5.5.130.0040.00814.21
5.5.120.0030.00714.26
5.5.110.0000.01214.00
5.5.100.0040.01214.11
5.5.90.0040.00714.06
5.5.80.0100.00613.95
5.5.70.0130.00314.18
5.5.60.0040.00814.27
5.5.50.0060.00913.98
5.5.40.0070.00713.99
5.5.30.0030.01013.89
5.5.20.0100.00314.13
5.5.10.0100.00613.99
5.5.00.0070.00714.39
5.4.450.0310.03816.07
5.4.440.0420.02816.03
5.4.430.0030.03315.99
5.4.420.0070.03216.07
5.4.410.0050.03016.02
5.4.400.0080.02615.86
5.4.390.0090.02615.79
5.4.380.0250.02415.61
5.4.370.0130.03115.51
5.4.360.0190.02915.53
5.4.350.0180.03115.63
5.4.340.0200.03015.64
5.4.330.0000.00912.54
5.4.320.0060.02012.49
5.4.310.0070.02512.49
5.4.300.0050.02312.50
5.4.290.0040.03012.49
5.4.280.0070.04212.43
5.4.270.0040.02812.43
5.4.260.0020.02512.43
5.4.250.0040.02112.43
5.4.240.0040.02412.44
5.4.230.0070.02012.43
5.4.220.0070.02112.43
5.4.210.0060.02012.43
5.4.200.0020.02612.43
5.4.190.0040.02312.43
5.4.180.0050.02012.43
5.4.170.0040.02212.44
5.4.160.0090.01812.43
5.4.150.0060.02212.43
5.4.140.0020.02312.27
5.4.130.0030.02412.27
5.4.120.0040.02112.25
5.4.110.0070.01912.25
5.4.100.0070.01912.24
5.4.90.0050.02212.24
5.4.80.0060.02312.24
5.4.70.0050.02512.24
5.4.60.0040.02112.24
5.4.50.0020.02112.24
5.4.40.0060.01912.24
5.4.30.0030.02612.23
5.4.20.0090.02612.23
5.4.10.0080.01512.23
5.4.00.0040.02011.98
5.3.290.0050.02912.67
5.3.280.0090.01912.62
5.3.270.0070.03112.63
5.3.260.0080.02012.63
5.3.250.0050.02212.63
5.3.240.0070.02612.63
5.3.230.0040.03012.62
5.3.220.0070.02712.61
5.3.210.0060.02312.61
5.3.200.0080.01912.61
5.3.190.0070.02512.61
5.3.180.0060.03212.60
5.3.170.0060.03012.60
5.3.160.0070.02212.61
5.3.150.0040.03112.61
5.3.140.0040.02212.60
5.3.130.0020.02412.60
5.3.120.0040.03212.59
5.3.110.0030.02312.60
5.3.100.0040.03112.33
5.3.90.0070.02612.31
5.3.80.0020.02512.31
5.3.70.0050.01912.30
5.3.60.0060.02212.30
5.3.50.0040.02112.27
5.3.40.0050.02412.27
5.3.30.0070.01912.24
5.3.20.0070.01812.13
5.3.10.0060.02312.12
5.3.00.0050.02312.11
5.2.170.0010.0359.18
5.2.160.0080.0279.18
5.2.150.0050.0329.18
5.2.140.0080.0309.18
5.2.130.0040.0329.14
5.2.120.0050.0359.14
5.2.110.0060.0309.15
5.2.100.0090.0399.14
5.2.90.0090.0349.14
5.2.80.0060.0319.14
5.2.70.0050.0299.14
5.2.60.0060.0349.09
5.2.50.0050.0349.06
5.2.40.0050.0299.04
5.2.30.0040.0319.01
5.2.20.0070.0339.00
5.2.10.0080.0248.92
5.2.00.0080.0278.78
5.1.60.0050.0238.06
5.1.50.0040.0258.06
5.1.40.0040.0348.04
5.1.30.0050.0268.39
5.1.20.0050.0258.41
5.1.10.0030.0278.14
5.1.00.0020.0288.14
5.0.50.0050.0196.62
5.0.40.0060.0186.47
5.0.30.0030.0336.29
5.0.20.0050.0176.26
5.0.10.0040.0196.24
5.0.00.0030.0346.23
4.4.90.0020.0174.77
4.4.80.0030.0224.75
4.4.70.0040.0214.76
4.4.60.0060.0224.75
4.4.50.0060.0234.77
4.4.40.0050.0354.71
4.4.30.0030.0164.76
4.4.20.0040.0144.85
4.4.10.0020.0244.85
4.4.00.0030.0284.76
4.3.110.0050.0244.67
4.3.100.0040.0214.66
4.3.90.0040.0144.63
4.3.80.0060.0284.59
4.3.70.0040.0204.63
4.3.60.0040.0144.63
4.3.50.0010.0184.62
4.3.40.0060.0324.54
4.3.30.0020.0173.28
4.3.20.0050.0193.26
4.3.10.0040.0263.21
4.3.00.0070.0238.71

preferences:
45.01 ms | 400 KiB | 5 Q