3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test($list){ foreach($list as $index1 => $a1){ foreach($list as $index2 => $a2){ if($index2 == 1) unset($list[1]); echo $index1 . " " . $index2 . " - "; } echo "\n"; } echo "\n\n"; } test(new ArrayObject([0,1])); test([0,1]);

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)
8.5.30.0080.00919.16
8.5.20.0070.01216.81
8.5.10.0090.00720.25
8.5.00.0120.01020.19
8.4.180.0150.00719.63
8.4.170.0150.00620.71
8.4.160.0150.00723.11
8.4.150.0090.00416.92
8.4.140.0130.01117.18
8.4.130.0130.00919.55
8.4.120.0150.00522.35
8.4.110.0110.00922.33
8.4.100.0060.00218.55
8.4.90.0040.00618.70
8.4.80.0100.00718.64
8.4.70.0100.00817.97
8.4.60.0120.00718.83
8.4.50.0090.01120.41
8.4.40.0070.01418.00
8.4.30.0140.00717.57
8.4.20.0170.00017.56
8.4.10.0060.00317.90
8.3.300.0130.00720.85
8.3.290.0050.00420.83
8.3.280.0110.00918.62
8.3.270.0120.00716.71
8.3.260.0120.00516.68
8.3.250.0080.00519.13
8.3.240.0090.00817.28
8.3.230.0120.01016.51
8.3.220.0060.00119.03
8.3.210.0130.00516.70
8.3.200.0030.00516.71
8.3.190.0080.01117.03
8.3.180.0100.00518.39
8.3.170.0060.01220.67
8.3.160.0140.00317.36
8.3.150.0150.00417.04
8.3.140.0150.00016.54
8.3.130.0000.00816.55
8.3.120.0040.00420.83
8.3.110.0080.00016.62
8.3.100.0100.01024.06
8.3.90.0050.00326.77
8.3.80.0090.00017.97
8.3.70.0150.00416.63
8.3.60.0070.01116.88
8.3.50.0110.01021.13
8.3.40.0120.00318.65
8.3.30.0150.00019.12
8.3.20.0000.00720.20
8.3.10.0000.00723.61
8.3.00.0040.00419.27
8.2.300.0120.00817.84
8.2.290.0130.00620.25
8.2.280.0090.01018.27
8.2.270.0150.00417.29
8.2.260.0070.00716.60
8.2.250.0040.01118.50
8.2.240.0130.00717.16
8.2.230.0060.00320.94
8.2.220.0040.00737.54
8.2.210.0080.00026.77
8.2.200.0030.00616.75
8.2.190.0070.01016.83
8.2.180.0070.01118.54
8.2.170.0130.00722.96
8.2.160.0070.00720.38
8.2.150.0000.00824.18
8.2.140.0110.00424.66
8.2.130.0080.00026.16
8.2.120.0000.00821.00
8.2.110.0090.00019.39
8.2.100.0060.00617.78
8.2.90.0060.00319.21
8.2.80.0040.00417.97
8.2.70.0050.00317.50
8.2.60.0060.00318.05
8.2.50.0040.00418.07
8.2.40.0050.00318.15
8.2.30.0040.00419.46
8.2.20.0020.00517.82
8.2.10.0040.00418.10
8.2.00.0000.00818.02
8.1.340.0130.00717.62
8.1.330.0080.01121.95
8.1.320.0120.00816.21
8.1.310.0090.00916.79
8.1.300.0050.00318.33
8.1.290.0060.00330.84
8.1.280.0130.00725.92
8.1.270.0060.00320.42
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0030.00619.53
8.1.230.0000.01117.89
8.1.220.0040.00417.79
8.1.210.0000.00818.77
8.1.200.0030.00617.35
8.1.190.0000.00917.23
8.1.180.0000.00718.10
8.1.170.0040.00418.53
8.1.160.0000.00718.95
8.1.150.0040.00418.71
8.1.140.0000.00717.39
8.1.130.0070.00017.71
8.1.120.0050.00217.47
8.1.110.0040.00417.36
8.1.100.0040.00317.52
8.1.90.0040.00417.51
8.1.80.0040.00417.36
8.1.70.0000.00717.48
8.1.60.0040.00417.52
8.1.50.0000.00817.41
8.1.40.0000.01117.47
8.1.30.0040.00417.69
8.1.20.0040.00417.62
8.1.10.0060.00317.60
8.1.00.0030.00617.50
8.0.300.0060.00318.77
8.0.290.0050.00216.75
8.0.280.0030.00318.46
8.0.270.0000.00717.27
8.0.260.0050.00217.19
8.0.250.0050.00316.98
8.0.240.0070.00017.04
8.0.230.0000.00716.96
8.0.220.0040.00416.88
8.0.210.0040.00416.89
8.0.200.0000.01016.89
8.0.190.0040.00316.93
8.0.180.0040.00416.82
8.0.170.0000.00816.86
8.0.160.0000.00716.96
8.0.150.0050.00316.89
8.0.140.0040.00416.85
8.0.130.0030.00313.38
8.0.120.0030.00616.88
8.0.110.0000.00816.82
8.0.100.0090.00016.92
8.0.90.0040.00416.96
8.0.80.0060.00916.86
8.0.70.0070.00016.82
8.0.60.0000.00716.90
8.0.50.0070.00016.84
8.0.30.0090.01417.04
8.0.20.0080.01017.40
8.0.10.0040.00417.03
8.0.00.0050.01416.86
7.4.330.0050.00015.03
7.4.320.0030.00316.49
7.4.300.0000.00616.57
7.4.290.0070.00016.52
7.4.280.0000.00816.52
7.4.270.0000.00816.64
7.4.260.0030.00516.64
7.4.250.0000.00716.52
7.4.240.0030.00316.59
7.4.230.0040.00416.36
7.4.220.0070.01116.47
7.4.210.0100.01016.51
7.4.200.0030.00516.35
7.4.160.0060.00916.36
7.4.150.0070.01017.40
7.4.140.0220.01617.86
7.4.130.0080.00916.52
7.4.120.0090.00916.45
7.4.110.0030.01316.53
7.4.100.0140.00616.50
7.4.90.0100.00716.48
7.4.80.0110.00619.39
7.4.70.0110.00716.62
7.4.60.0070.01016.32
7.4.50.0080.00016.41
7.4.40.0110.01116.59
7.4.30.0030.01416.61
7.4.00.0030.01214.98
7.3.330.0060.00013.28
7.3.320.0070.00713.25
7.3.310.0030.00316.34
7.3.300.0040.00416.25
7.3.290.0080.00716.26
7.3.280.0080.01116.26
7.3.270.0030.01317.40
7.3.260.0070.01116.46
7.3.250.0140.00616.50
7.3.240.0040.01516.66
7.3.230.0170.00716.46
7.3.210.0160.00316.59
7.3.200.0110.00719.39
7.3.190.0120.00416.59
7.3.180.0040.01216.54
7.3.170.0090.01216.37
7.3.160.0040.01116.75
7.3.10.0080.00816.27
7.3.00.0080.00616.51
7.2.330.0030.01516.84
7.2.320.0140.00416.61
7.2.310.0100.01016.73
7.2.300.0100.01016.44
7.2.290.0100.01016.57
7.2.130.0090.00716.62
7.2.120.0130.00516.79
7.2.110.0140.00516.99
7.2.100.0100.00616.77
7.2.90.0110.01016.85
7.2.80.0080.00816.67
7.2.70.0190.00516.93
7.2.60.0060.01116.84
7.2.50.0100.00416.74
7.2.40.0100.00717.02
7.2.30.0070.00716.96
7.2.20.0060.01116.67
7.2.10.0060.00816.90
7.2.00.0110.00416.86
7.1.250.0060.00915.72
7.1.240.0060.00915.73
7.1.230.0000.01615.55
7.1.220.0070.00715.87
7.1.210.0030.01315.98
7.1.200.0100.00315.70
7.1.190.0070.00715.68
7.1.180.0070.00715.75
7.1.170.0070.00715.64
7.1.160.0100.00315.51
7.1.150.0090.00615.72
7.1.140.0040.00715.71
7.1.130.0000.01015.82
7.1.120.0040.00415.68
7.1.110.0080.00315.88
7.1.100.0050.00916.71
7.1.90.0110.00715.84
7.1.80.0090.00015.83
7.1.70.0020.00816.58
7.1.60.0030.01517.81
7.1.50.0030.01216.27
7.1.40.0070.00715.39
7.1.30.0080.00315.47
7.1.20.0100.00315.76
7.1.10.0040.00715.68
7.1.00.0080.03618.89
7.0.330.0060.00615.44
7.0.320.0030.01015.15
7.0.310.0030.00715.37
7.0.300.0040.00815.47
7.0.290.0060.00615.41
7.0.280.0070.00715.52
7.0.270.0070.00315.03
7.0.260.0000.01615.23
7.0.250.0060.00915.32
7.0.240.0000.00815.39
7.0.230.0000.01115.54
7.0.220.0070.00415.29
7.0.210.0000.01115.45
7.0.200.0030.00716.10
7.0.190.0030.00515.38
7.0.180.0000.00915.60
7.0.170.0030.00515.31
7.0.160.0000.01215.41
7.0.150.0030.00715.39
7.0.140.0060.00615.07
7.0.130.0060.00315.46
7.0.120.0070.00715.21
7.0.110.0130.00315.52
7.0.100.0000.00915.23
7.0.90.0000.01515.48
7.0.80.0100.00315.45
7.0.70.0050.00515.50
7.0.60.0040.02917.72
7.0.50.0080.02216.56
7.0.40.0030.02716.83
7.0.30.0140.03416.84
7.0.20.0170.04416.82
7.0.10.0070.04716.89
7.0.00.0070.03016.77
5.6.380.0120.00614.36
5.6.370.0070.00714.56
5.6.360.0060.00914.27
5.6.350.0030.00714.43
5.6.340.0000.00914.25
5.6.330.0030.00914.52
5.6.320.0090.00914.45
5.6.310.0040.00414.64
5.6.300.0030.00614.44
5.6.290.0070.00314.04
5.6.280.0070.03817.85
5.6.270.0060.00614.10
5.6.260.0080.00314.38
5.6.250.0130.00014.15
5.6.240.0090.00014.51
5.6.230.0040.00414.33
5.6.220.0070.00714.15
5.6.210.0060.03717.46
5.6.200.0090.02016.15
5.6.190.0060.02317.43
5.6.180.0120.02217.35
5.6.170.0200.03017.38
5.6.160.0090.02017.44
5.6.150.0080.02216.39
5.6.140.0050.03316.23
5.6.130.0050.04516.19
5.6.120.0120.04017.74
5.6.110.0050.02717.66
5.6.100.0080.04217.76
5.6.90.0120.04017.71
5.6.80.0140.03517.28
5.6.70.0080.00014.21
5.6.60.0040.00814.20
5.6.50.0070.00714.27
5.6.40.0070.00714.36
5.6.30.0030.00714.11
5.6.20.0030.00714.19
5.6.10.0000.01014.13
5.6.00.0000.01314.34
5.5.380.0030.00311.36
5.5.370.0030.00611.23
5.5.360.0030.00611.18
5.5.350.0070.03915.81
5.5.340.0100.01814.67
5.5.330.0110.04115.78
5.5.320.1500.02315.78
5.5.310.0160.03615.80
5.5.300.0020.02114.63
5.5.290.0080.03314.56
5.5.280.0110.04016.04
5.5.270.0020.04915.91
5.5.260.0070.04416.05
5.5.250.0040.03015.98
5.5.240.0030.01815.71
5.5.230.0050.00311.18
5.5.220.0040.00411.18
5.5.210.0090.00311.18
5.5.200.0060.00611.18
5.5.190.0030.00711.18
5.5.180.0000.00811.18
5.5.170.0060.00011.18
5.5.160.0030.00811.18
5.5.150.0080.00311.18
5.5.140.0100.00011.31
5.5.130.0050.00511.18
5.5.120.0000.01111.18
5.5.110.0000.00911.24
5.5.100.0030.00611.18
5.5.90.0000.01011.18
5.5.80.0040.00711.18
5.5.70.0030.00711.18
5.5.60.0070.00011.18
5.5.50.0030.00711.18
5.5.40.0000.00511.18
5.5.30.0000.00711.23
5.5.20.0030.00911.18
5.5.10.0030.00911.21
5.5.00.0030.00511.18
5.4.450.0140.02715.17
5.4.440.0420.03715.34
5.4.430.0400.03215.46
5.4.420.0130.02315.37
5.4.410.0050.02915.00
5.4.400.0100.02514.86
5.4.390.0030.03214.94
5.4.380.0070.03014.94
5.4.370.0080.03714.89
5.4.360.0150.02014.82
5.4.350.0100.02714.82
5.4.340.0030.03414.96
5.4.330.0000.00711.18
5.4.320.0080.02814.98
5.4.310.0070.02614.84
5.4.300.0040.03414.90
5.4.290.0080.02714.96
5.4.280.0050.03314.85
5.4.270.0050.02814.85
5.4.260.0030.02914.85
5.4.250.0030.03315.00
5.4.240.0060.02914.87
5.4.230.0050.03114.98
5.4.220.0050.03214.96
5.4.210.0070.03014.84
5.4.200.0050.03113.89
5.4.190.0090.02614.86
5.4.180.0080.02814.80
5.4.170.0070.02814.99
5.4.160.0150.02014.83
5.4.150.0100.02714.84
5.4.140.0090.02513.74
5.4.130.0100.02313.72
5.4.120.0060.03013.78
5.4.110.0080.02513.75
5.4.100.0050.03313.75
5.4.90.0030.03213.81
5.4.80.0030.03013.74
5.4.70.0070.02513.72
5.4.60.0060.02613.71
5.4.50.0050.02813.79
5.4.40.0050.02713.72
5.4.30.0060.02913.65
5.4.20.0070.03113.71
5.4.10.0020.03313.70
5.4.00.0030.03213.40
5.3.290.0070.03012.97
5.3.280.0080.02712.90
5.3.270.0070.02812.95
5.3.260.0030.03313.00
5.3.250.0100.03312.91
5.3.240.0150.03012.91
5.3.230.0050.03412.91
5.3.220.0030.03112.92
5.3.210.0040.03312.88
5.3.200.0070.03312.92
5.3.190.0070.02812.98
5.3.180.0080.02912.86
5.3.170.0030.03412.88
5.3.160.0080.02412.89
5.3.150.0050.02912.98
5.3.140.0080.02712.87
5.3.130.0020.03212.88
5.3.120.0070.03312.86
5.3.110.0060.03312.88
5.3.100.0050.03312.63
5.3.90.0090.02712.68
5.3.80.0030.02912.68
5.3.70.0030.03312.68
5.3.60.0080.03212.59
5.3.50.0110.02812.57
5.3.40.0050.03812.66
5.3.30.0070.03012.61
5.3.20.0050.02712.48
5.3.10.0020.03112.43
5.3.00.0070.02612.49
5.2.170.0070.02311.17
5.2.160.0080.02011.17
5.2.150.0060.02111.21
5.2.140.0050.02211.26
5.2.130.0080.01811.15
5.2.120.0050.02411.17
5.2.110.0030.02611.19
5.2.100.0030.02211.15
5.2.90.0110.01511.20
5.2.80.0050.02211.20
5.2.70.0050.02511.20
5.2.60.0080.02011.21
5.2.50.0050.02811.15
5.2.40.0040.02311.08
5.2.30.0050.02211.06
5.2.20.0050.02011.12
5.2.10.0020.02511.12
5.2.00.0030.02410.96
5.1.60.0090.01510.60
5.1.50.0050.02210.60
5.1.40.0020.02310.57
5.1.30.0010.02310.75
5.1.20.0060.02010.88
5.1.10.0030.02110.69
5.1.00.0060.01810.73
5.0.50.0050.0169.88
5.0.40.0040.0139.90
5.0.30.0030.0239.72
5.0.20.0030.0139.72
5.0.10.0070.0139.69
5.0.00.0030.0239.73
4.4.90.0000.0148.54
4.4.80.0020.0128.54
4.4.70.0020.0128.53
4.4.60.0020.0128.58
4.4.50.0050.0128.58
4.4.40.0000.0208.57
4.4.30.0020.0148.54
4.4.20.0010.0138.57
4.4.10.0040.0128.57
4.4.00.0050.0178.56
4.3.110.0060.0108.55
4.3.100.0000.0148.56
4.3.90.0040.0108.48
4.3.80.0030.0208.55
4.3.70.0080.0108.55
4.3.60.0060.0128.52
4.3.50.0000.0158.50
4.3.40.0030.0178.49
4.3.30.0000.0148.12
4.3.20.0060.0088.12
4.3.10.0000.0158.12
4.3.00.0070.00813.57

preferences:
52.25 ms | 2502 KiB | 5 Q