3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = new SplDoublyLinkedList(); $foo->push('A'); $foo->push('B'); var_dump($foo->key()); var_dump(key($foo));

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)
8.3.60.0110.01116.75
8.3.50.0140.00722.10
8.3.40.0110.00418.63
8.3.30.0030.01018.96
8.3.20.0060.00320.33
8.3.10.0070.00021.78
8.3.00.0040.00422.44
8.2.180.0040.01418.26
8.2.170.0130.00322.96
8.2.160.0070.00722.12
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0000.00826.16
8.2.120.0060.00317.63
8.2.110.0060.00322.20
8.2.100.0040.00817.78
8.2.90.0050.00319.08
8.2.80.0000.00817.97
8.2.70.0060.00317.38
8.2.60.0040.00417.93
8.2.50.0000.00818.07
8.2.40.0040.00421.03
8.2.30.0050.00317.98
8.2.20.0000.00717.61
8.2.10.0000.00717.87
8.2.00.0000.00717.98
8.1.280.0170.00325.92
8.1.270.0080.00820.26
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0060.00323.81
8.1.230.0000.01119.15
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0040.00417.35
8.1.190.0040.00417.00
8.1.180.0030.00618.10
8.1.170.0040.00418.68
8.1.160.0000.00821.95
8.1.150.0000.00818.81
8.1.140.0030.00517.27
8.1.130.0030.00317.57
8.1.120.0040.00417.29
8.1.110.0050.00317.43
8.1.100.0050.00217.36
8.1.90.0040.00317.30
8.1.80.0060.00317.38
8.1.70.0020.00517.42
8.1.60.0030.00717.41
8.1.50.0080.00017.36
8.1.40.0000.00817.42
8.1.30.0030.00517.53
8.1.20.0050.00317.63
8.1.10.0030.00517.51
8.1.00.0050.00317.35
8.0.300.0040.00418.77
8.0.290.0000.00716.63
8.0.280.0000.00718.29
8.0.270.0040.00417.10
8.0.260.0000.00817.18
8.0.250.0000.00616.93
8.0.240.0080.00016.89
8.0.230.0030.00316.86
8.0.220.0000.00816.86
8.0.210.0030.00316.83
8.0.200.0040.00716.82
8.0.190.0040.00416.75
8.0.180.0000.00716.91
8.0.170.0040.00416.90
8.0.160.0050.00216.84
8.0.150.0070.00016.84
8.0.140.0070.00016.83
8.0.130.0050.00013.13
8.0.120.0040.00416.78
8.0.110.0050.00316.80
8.0.100.0040.00416.70
8.0.90.0040.00416.68
8.0.80.0070.01016.78
8.0.70.0050.00216.93
8.0.60.0000.00716.86
8.0.50.0000.00816.93
8.0.30.0090.00816.80
8.0.20.0130.00617.40
8.0.10.0040.00416.76
8.0.00.0080.00916.66
7.4.330.0050.00015.08
7.4.320.0030.00316.58
7.4.300.0060.00016.50
7.4.290.0030.00316.47
7.4.280.0030.00616.35
7.4.270.0000.00716.57
7.4.260.0030.00316.52
7.4.250.0000.00716.37
7.4.240.0050.00216.47
7.4.230.0060.00016.62
7.4.220.0070.01116.52
7.4.210.0060.00916.45
7.4.200.0030.00416.53
7.4.160.0100.00716.47
7.4.150.0130.00717.40
7.4.140.0120.01217.86
7.4.130.0090.01116.29
7.4.120.0100.01016.36
7.4.110.0060.01216.45
7.4.100.0140.01016.57
7.4.90.0120.00616.41
7.4.80.0130.00617.79
7.4.70.0100.00716.42
7.4.60.0100.00816.18
7.4.50.0020.01016.13
7.4.40.0100.00716.30
7.4.30.0060.01316.22
7.4.20.0080.00815.98
7.4.10.0090.00916.00
7.4.00.0100.01015.44
7.3.330.0050.00012.95
7.3.320.0050.00312.93
7.3.310.0030.00416.11
7.3.300.0000.00616.17
7.3.290.0060.00816.13
7.3.280.0110.00616.15
7.3.270.0190.00317.40
7.3.260.0100.00716.39
7.3.250.0090.00916.34
7.3.240.0150.00316.21
7.3.230.0130.00316.39
7.3.210.0100.00716.11
7.3.200.0100.00817.76
7.3.190.0070.01216.10
7.3.180.0110.00816.07
7.3.170.0080.01316.16
7.3.160.0080.00816.23
7.3.150.0030.01416.17
7.3.140.0050.01115.83
7.3.130.0030.01316.05
7.3.120.0090.00616.16
7.3.110.0050.01016.27
7.3.100.0070.01015.93
7.3.90.0020.01415.96
7.3.80.0070.01016.22
7.3.70.0100.01316.13
7.3.60.0160.00716.01
7.3.50.0100.00716.00
7.3.40.0080.00816.18
7.3.30.0070.01015.93
7.3.20.0140.00315.81
7.3.10.0100.00716.03
7.3.00.0080.00816.22
7.2.330.0100.00716.46
7.2.320.0110.01216.30
7.2.310.0060.01216.37
7.2.300.0130.00516.41
7.2.290.0070.01016.38
7.2.280.0100.00816.43
7.2.270.0060.00916.57
7.2.260.0000.01616.27
7.2.250.0110.00516.04
7.2.240.0040.01616.25
7.2.230.0070.01116.23
7.2.220.0030.01316.32
7.2.210.0040.01516.28
7.2.200.0100.01416.27
7.2.190.0130.01016.37
7.2.180.0110.00616.25
7.2.170.0060.01216.22
7.2.160.0140.00316.12
7.2.150.0120.00416.35
7.2.140.0030.01316.25
7.2.130.0100.00716.41
7.2.120.0140.00716.46
7.2.110.0150.00616.40
7.2.100.0030.01416.64
7.2.90.0150.00316.54
7.2.80.0130.00316.47
7.2.70.0070.01316.39
7.2.60.0090.00716.55
7.2.50.0060.01816.38
7.2.40.0250.01116.48
7.2.30.0220.00916.29
7.2.20.0120.00816.49
7.2.10.0120.00616.50
7.2.00.0120.01017.54
7.1.330.0200.01215.45
7.1.320.0210.00715.27
7.1.310.0410.01715.52
7.1.300.0280.00015.40
7.1.290.0180.01315.46
7.1.280.0240.00415.38
7.1.270.0220.00615.55
7.1.260.0140.01415.61
7.1.250.0150.01215.29
7.1.240.0290.00315.63
7.1.230.0210.01115.42
7.1.220.0100.01715.34
7.1.210.0160.01115.48
7.1.200.0160.01015.60
7.1.190.0200.00815.46
7.1.180.0270.00615.51
7.1.170.0270.00515.44
7.1.160.0330.00315.41
7.1.150.0240.01015.47
7.1.140.0290.00015.49
7.1.130.0210.00815.52
7.1.120.0210.00815.29
7.1.110.0270.00415.52
7.1.100.0170.00716.88
7.1.90.0250.00415.43
7.1.80.0550.03315.37
7.1.70.0360.00716.12
7.1.60.0170.00917.31
7.1.50.0190.00316.03
7.1.40.0230.00615.45
7.1.30.0240.00515.46
7.1.20.0150.01515.58
7.1.10.0270.00315.38
7.1.00.0130.04218.92
7.0.330.0190.01015.03
7.0.320.0240.01215.16
7.0.310.0220.00915.14
7.0.300.0130.01015.25
7.0.290.0220.00415.04
7.0.280.0270.00615.11
7.0.270.0220.00915.31
7.0.260.0260.00615.10
7.0.250.0160.01015.28
7.0.240.0220.01315.26
7.0.230.0180.00915.30
7.0.220.0630.00915.01
7.0.210.0210.00815.27
7.0.200.0210.00816.02
7.0.190.0200.01015.32
7.0.180.0310.01315.22
7.0.170.0230.00515.16
7.0.160.0240.00815.12
7.0.150.0150.01115.00
7.0.140.0220.01115.29
7.0.130.0200.00715.09
7.0.120.0170.00915.17
7.0.110.0180.00915.12
7.0.100.0160.01215.15
7.0.90.0180.01815.24
7.0.80.0280.00315.15
7.0.70.0240.00515.26
7.0.60.0170.03617.57
7.0.50.0100.05116.54
7.0.40.0120.03217.56
7.0.30.0270.04017.62
7.0.20.0190.03817.59
7.0.10.0120.04517.63
7.0.00.0170.04317.58
5.6.400.0180.01415.71
5.6.390.0190.01515.99
5.6.380.0160.01215.81
5.6.370.0190.01315.88
5.6.360.0300.00015.86
5.6.350.0230.00916.14
5.6.340.0200.01715.81
5.6.330.0210.00816.03
5.6.320.0210.00815.91
5.6.310.0260.00815.96
5.6.300.0210.01216.04
5.6.290.0400.00716.05
5.6.280.0120.04118.43
5.6.270.0130.01715.80
5.6.260.0210.00816.05
5.6.250.0220.01415.78
5.6.240.0160.02016.07
5.6.230.0100.01715.87
5.6.220.0200.01515.67
5.6.210.0120.04918.21
5.6.200.0110.04717.04
5.6.190.0160.05118.11
5.6.180.1730.02618.13
5.6.170.0300.02018.31
5.6.160.0170.04418.17
5.6.150.0140.04317.03
5.6.140.0150.03617.00
5.6.130.0270.03217.06
5.6.120.0170.03318.61
5.6.110.0220.04418.51
5.6.100.0120.04218.42
5.6.90.0140.03018.35
5.6.80.0090.03418.11
5.6.70.0260.04018.11
5.6.60.0140.01915.63
5.6.50.0120.01715.93
5.6.40.0160.01615.73
5.6.30.0170.01415.74
5.6.20.0260.00915.72
5.6.10.0180.01315.96
5.6.00.0200.01215.96
5.5.380.0270.00615.86
5.5.370.0190.01315.71
5.5.360.0130.01715.80
5.5.350.0230.03818.25
5.5.340.0100.05016.81
5.5.330.0200.04318.05
5.5.320.0350.03318.02
5.5.310.0200.04518.28
5.5.300.0140.04616.93
5.5.290.0120.04016.83
5.5.280.0180.04218.38
5.5.270.0140.04518.23
5.5.260.0200.04518.17
5.5.250.0190.03518.18
5.5.240.0280.03317.95
5.5.230.0140.01815.65
5.5.220.0180.01215.58
5.5.210.0120.01615.67
5.5.200.0240.00915.71
5.5.190.0160.01215.93
5.5.180.0130.01615.50
5.5.170.0200.00915.74
5.5.160.0210.01415.71
5.5.150.0220.01315.95
5.5.140.0170.01415.55
5.5.130.0200.01215.68
5.5.120.0220.00815.80
5.5.110.0170.01115.66
5.5.100.0310.00015.68
5.5.90.0210.00615.59
5.5.80.0170.01115.57
5.5.70.0290.00515.75
5.5.60.0200.01115.80
5.5.50.0220.00715.69
5.5.40.0230.00415.71
5.5.30.0200.00615.72
5.5.20.0170.01015.82
5.5.10.0200.00715.43
5.5.00.0170.01115.56
5.4.450.0490.03315.87
5.4.440.0580.03216.03
5.4.430.0590.02916.06
5.4.420.0600.02715.89
5.4.410.0600.03515.92
5.4.400.0540.03415.81
5.4.390.0750.02815.77
5.4.380.0440.03715.84
5.4.370.0500.04115.86
5.4.360.0460.03815.66
5.4.350.0610.03715.82
5.4.340.0130.03215.84
5.4.330.0130.00912.48
5.4.320.0160.02915.64
5.4.310.0580.03515.70
5.4.300.0490.03715.79
5.4.290.0380.03615.80
5.4.280.0350.03015.69
5.4.270.0130.02815.55
5.4.260.0080.03815.69
5.4.250.0410.03015.67
5.4.240.0330.03215.73
5.4.230.0110.03015.76
5.4.220.0180.03515.93
5.4.210.0640.02515.89
5.4.200.0610.04114.47
5.4.190.0670.02915.87
5.4.180.0480.03115.64
5.4.170.0580.02915.61
5.4.160.0650.02715.63
5.4.150.0590.02615.66
5.4.140.0430.03114.31
5.4.130.0530.03414.48
5.4.120.0530.03414.35
5.4.110.0550.03514.51
5.4.100.0560.03014.37
5.4.90.0420.03014.41
5.4.80.0640.03114.44
5.4.70.0680.02814.47
5.4.60.0630.02714.42
5.4.50.0640.02514.35
5.4.40.0470.03214.46
5.4.30.0700.02314.38
5.4.20.0530.02814.44
5.4.10.0400.03614.45
5.4.00.0480.03114.15

preferences:
59.42 ms | 401 KiB | 5 Q