3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = new ArrayObject(); $b = array(); $a[null]['hurr'] = 'durr'; var_dump($a['epic_magic']); var_dump($b['epic_magic']); var_dump($c['epic_magic']); // Undefined var!! $d = array(); var_dump($a['epic_magic']); // more magic! var_dump($d['epic_magic']); $e = 'srsly?'; var_dump($a['epic_magic']); // srsly. var_dump($aaa); var_dump($aaa->output);

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)
8.3.60.0170.00318.43
8.3.50.0100.01021.97
8.3.40.0090.00618.84
8.3.30.0090.00918.84
8.3.20.0080.00018.57
8.3.10.0080.00020.65
8.3.00.0060.00323.61
8.2.180.0070.01016.75
8.2.170.0070.00722.96
8.2.160.0060.00620.47
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0050.00219.63
8.2.110.0030.00722.20
8.2.100.0070.00417.74
8.2.90.0040.00419.10
8.2.80.0040.00417.97
8.2.70.0060.00317.50
8.2.60.0040.00418.04
8.2.50.0000.00818.07
8.2.40.0080.00418.03
8.2.30.0040.00419.80
8.2.20.0040.00417.79
8.2.10.0050.00317.75
8.2.00.0080.00017.64
8.1.280.0100.01025.92
8.1.270.0150.00423.99
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0100.00022.49
8.1.230.0050.00520.96
8.1.220.0060.00318.77
8.1.210.0050.00318.77
8.1.200.0060.00317.23
8.1.190.0000.00717.30
8.1.180.0040.00418.10
8.1.170.0050.00318.75
8.1.160.0040.00418.85
8.1.150.0000.00818.64
8.1.140.0040.00417.29
8.1.130.0000.00717.72
8.1.120.0000.00717.37
8.1.110.0000.00717.32
8.1.100.0080.00017.42
8.1.90.0040.00417.43
8.1.80.0030.00617.41
8.1.70.0070.00017.36
8.1.60.0040.00417.57
8.1.50.0040.00417.38
8.1.40.0080.00017.50
8.1.30.0000.00717.60
8.1.20.0000.00817.54
8.1.10.0000.00817.61
8.1.00.0000.00717.53
8.0.300.0060.00619.92
8.0.290.0000.00716.63
8.0.280.0070.00018.45
8.0.270.0070.00017.26
8.0.260.0070.00016.75
8.0.250.0000.00716.85
8.0.240.0040.00416.91
8.0.230.0060.00316.86
8.0.220.0040.00416.80
8.0.210.0030.00316.92
8.0.200.0040.00416.98
8.0.190.0040.00416.89
8.0.180.0000.00716.84
8.0.170.0030.00616.87
8.0.160.0030.00516.90
8.0.150.0000.00816.92
8.0.140.0000.00816.88
8.0.130.0000.00713.30
8.0.120.0040.00416.84
8.0.110.0000.00816.84
8.0.100.0040.00416.91
8.0.90.0000.00716.78
8.0.80.0110.00816.82
8.0.70.0000.00716.87
8.0.60.0040.00416.95
8.0.50.0050.00216.86
8.0.30.0080.01417.01
8.0.20.0090.00817.40
8.0.10.0040.00416.98
8.0.00.0110.00916.93
7.4.330.0050.00014.77
7.4.320.0000.00716.54
7.4.300.0060.00016.45
7.4.290.0070.00016.39
7.4.280.0040.00416.57
7.4.270.0000.00716.58
7.4.260.0030.00313.25
7.4.250.0070.00016.39
7.4.240.0050.00216.53
7.4.230.0000.00716.45
7.4.220.0100.00716.61
7.4.210.0070.01016.41
7.4.200.0030.00316.50
7.4.190.0030.00516.55
7.4.160.0120.00616.28
7.4.150.0150.00317.40
7.4.140.0090.00917.86
7.4.130.0110.00816.62
7.4.120.0080.00916.48
7.4.110.0130.00316.45
7.4.100.0060.01216.48
7.4.90.0030.01916.42
7.4.80.0000.01619.04
7.4.70.0070.01316.51
7.4.60.0140.00716.35
7.4.50.0040.00416.66
7.4.40.0030.01322.27
7.4.30.0060.00916.46
7.4.10.0070.01114.89
7.4.00.0100.00614.71
7.3.330.0000.00513.04
7.3.320.0030.00313.05
7.3.310.0040.00416.38
7.3.300.0000.00616.28
7.3.290.0030.01016.42
7.3.280.0080.00716.41
7.3.270.0110.00817.40
7.3.260.0080.00918.24
7.3.250.0100.00816.30
7.3.240.0100.01316.32
7.3.230.0110.00616.39
7.3.210.0090.00916.28
7.3.200.0140.00919.39
7.3.190.0130.01016.31
7.3.180.0060.01016.35
7.3.170.0060.01016.42
7.3.160.0030.01316.54
7.3.130.0030.01114.86
7.3.120.0030.01314.77
7.3.110.0090.00914.84
7.3.100.0080.00314.76
7.3.90.0040.01115.10
7.3.80.0030.00914.61
7.3.70.0070.00714.89
7.3.60.0040.00714.61
7.3.50.0000.01514.94
7.3.40.0110.00014.92
7.3.30.0030.01014.62
7.3.20.0000.01316.54
7.3.10.0030.00916.70
7.3.00.0000.01416.67
7.2.330.0130.00716.71
7.2.320.0070.01016.32
7.2.310.0130.00416.33
7.2.300.0000.01616.53
7.2.290.0180.00316.41
7.2.260.0070.00715.04
7.2.250.0040.01415.02
7.2.240.0110.00314.86
7.2.230.0040.01115.00
7.2.220.0030.01214.62
7.2.210.0000.01415.16
7.2.200.0110.00415.00
7.2.190.0030.01314.70
7.2.180.0060.00915.14
7.2.170.0080.00414.95
7.2.160.0000.01315.23
7.2.150.0030.01017.03
7.2.140.0090.00316.83
7.2.130.0090.00316.63
7.2.120.0100.00616.91
7.2.110.0070.00717.00
7.2.100.0040.00816.68
7.2.90.0090.00316.90
7.2.80.0040.00816.87
7.2.70.0100.00316.64
7.2.60.0040.01516.91
7.2.50.0000.00916.73
7.2.40.0040.00816.97
7.2.30.0040.01116.99
7.2.20.0040.00816.71
7.2.10.0040.01216.84
7.2.00.0080.00518.13
7.1.330.0030.01215.71
7.1.320.0090.00315.84
7.1.310.0040.01115.84
7.1.300.0000.01115.82
7.1.290.0090.00315.78
7.1.280.0040.01115.85
7.1.270.0040.00415.51
7.1.260.0100.00315.85
7.1.250.0090.00615.96
7.1.240.0120.00315.70
7.1.230.0070.00715.87
7.1.220.0090.00315.63
7.1.210.0100.00715.74
7.1.200.0070.00315.70
7.1.190.0100.00715.85
7.1.180.0060.00715.89
7.1.170.0060.00615.71
7.1.160.0120.00315.80
7.1.150.0000.01215.93
7.1.140.0000.00815.90
7.1.130.0060.00315.58
7.1.120.0030.01315.95
7.1.110.0030.01215.84
7.1.100.0110.00616.94
7.1.90.0030.00915.85
7.1.80.0000.01215.68
7.1.70.0020.01016.50
7.1.60.0100.00917.56
7.1.50.0030.01316.42
7.1.40.0070.00715.47
7.1.30.0060.00715.70
7.1.20.0040.01215.72
7.1.10.0040.01115.88
7.1.00.0060.03319.12
7.0.330.0100.00715.60
7.0.320.0060.00615.48
7.0.310.0000.01015.07
7.0.300.0040.00815.22
7.0.290.0100.00315.18
7.0.280.0090.00315.14
7.0.270.0060.00615.34
7.0.260.0070.00715.45
7.0.250.0070.00715.29
7.0.240.0090.00615.33
7.0.230.0000.00815.44
7.0.220.0030.01315.47
7.0.210.0100.00315.48
7.0.200.0070.00616.10
7.0.190.0040.00715.31
7.0.180.0060.00615.42
7.0.170.0110.00315.47
7.0.160.0030.01415.06
7.0.150.0100.00315.59
7.0.140.0050.03918.75
7.0.130.0060.00315.25
7.0.120.0070.00715.29
7.0.110.0030.00715.23
7.0.100.0060.00615.55
7.0.90.0030.01015.57
7.0.80.0030.01415.22
7.0.70.0090.00615.39
7.0.60.0110.03617.53
7.0.50.0050.02316.64
7.0.40.0110.04516.81
7.0.30.0050.04516.87
7.0.20.0090.04716.96
7.0.10.0060.04516.83
7.0.00.0070.03716.70
5.6.400.0060.00614.44
5.6.390.0030.01314.63
5.6.380.0080.00414.54
5.6.370.0080.00514.25
5.6.360.0040.01214.40
5.6.350.0030.01314.50
5.6.340.0090.00014.50
5.6.330.0000.01014.35
5.6.320.0070.00714.07
5.6.310.0070.01014.43
5.6.300.0060.00914.03
5.6.290.0030.00914.48
5.6.280.0070.04217.78
5.6.270.0000.01314.41
5.6.260.0070.00714.30
5.6.250.0030.00914.47
5.6.240.0030.01014.34
5.6.230.0060.00614.36
5.6.220.0060.01014.39
5.6.210.0050.04517.62
5.6.200.0050.04716.20
5.6.190.0080.03817.46
5.6.180.0080.04017.35
5.6.170.0080.02917.55
5.6.160.0100.04217.43
5.6.150.0060.02617.26
5.6.140.0040.04117.34
5.6.130.0100.04317.47
5.6.120.0090.04117.32
5.6.110.0080.03017.29
5.6.100.0070.04317.18
5.6.90.0050.05017.42
5.6.80.0060.04217.12
5.6.70.0080.03916.97
5.6.60.0080.04616.95
5.6.50.0100.04016.87
5.6.40.0100.02017.04
5.6.30.0100.04117.05
5.6.20.0040.03216.95
5.6.10.0070.04017.04
5.6.00.0050.03717.00
5.5.380.0030.01314.34
5.5.370.0000.01714.25
5.5.360.0090.00614.25
5.5.350.0250.03717.38
5.5.340.0070.04516.16
5.5.330.0090.04217.42
5.5.320.0080.04517.25
5.5.310.0060.04517.20
5.5.300.0100.04017.22
5.5.290.0050.04617.28
5.5.280.0050.02317.22
5.5.270.0050.04517.32
5.5.260.0020.03517.13
5.5.250.0020.04016.84
5.5.240.0100.03516.69
5.5.230.0080.03816.86
5.5.220.0050.04516.69
5.5.210.0020.03916.92
5.5.200.0070.03716.72
5.5.190.0100.03216.99
5.5.180.0070.04316.81
5.5.170.0030.01514.31
5.5.160.0030.02416.79
5.5.150.0050.02116.98
5.5.140.0060.02316.82
5.5.130.0020.02516.93
5.5.120.0110.01816.91
5.5.110.0000.02516.92
5.5.100.0020.02516.64
5.5.90.0050.02216.79
5.5.80.0050.02416.78
5.5.70.0060.02316.96
5.5.60.0030.03116.67
5.5.50.0060.02216.84
5.5.40.0010.02616.92
5.5.30.0070.02216.60
5.5.20.0050.02816.84
5.5.10.0070.02716.87
5.5.00.0040.02416.79
5.4.450.0030.02515.23
5.4.440.0030.02415.11
5.4.430.0060.04115.25
5.4.420.0100.03515.26
5.4.410.0050.04015.09
5.4.400.0040.02614.92
5.4.390.0070.04215.10
5.4.380.0110.03015.07
5.4.370.0080.03315.07
5.4.360.0070.02714.92
5.4.350.0070.03214.92
5.4.340.0050.03215.12
5.4.330.0000.01111.05
5.4.320.0050.02315.10
5.4.310.0050.01814.99
5.4.300.0020.02315.03
5.4.290.0030.02314.93
5.4.280.0040.02015.06
5.4.270.0070.01815.07
5.4.260.0020.02315.09
5.4.250.0060.01914.91
5.4.240.0050.01914.93
5.4.230.0070.01714.93
5.4.220.0050.02115.11
5.4.210.0050.01914.93
5.4.200.0050.01915.11
5.4.190.0050.02014.98
5.4.180.0000.04214.98
5.4.170.0070.01914.93
5.4.160.0020.02815.07
5.4.150.0040.02114.97
5.4.140.0030.02013.75
5.4.130.0070.01813.67
5.4.120.0040.02113.68
5.4.110.0030.02413.66
5.4.100.0070.02013.64
5.4.90.0060.01913.64
5.4.80.0000.02313.68
5.4.70.0050.01713.67
5.4.60.0020.02313.67
5.4.50.0020.02113.74
5.4.40.0040.02113.65
5.4.30.0040.01913.70
5.4.20.0040.02213.59
5.4.10.0060.02313.72
5.4.00.0030.03813.42
5.3.290.0050.02612.82
5.3.280.0030.02112.76
5.3.270.0050.02112.79
5.3.260.0010.02312.79
5.3.250.0060.02112.72
5.3.240.0000.02512.80
5.3.230.0010.02412.78
5.3.220.0030.02012.78
5.3.210.0060.01912.71
5.3.200.0030.02112.77
5.3.190.0060.02112.71
5.3.180.0020.02412.81
5.3.170.0050.02212.78
5.3.160.0030.02012.79
5.3.150.0040.01912.78
5.3.140.0030.02512.77
5.3.130.0000.02412.77
5.3.120.0050.02112.81
5.3.110.0020.02412.77
5.3.100.0080.03212.53
5.3.90.0030.03412.50
5.3.80.0050.04012.50
5.3.70.0050.03512.45
5.3.60.0020.02712.51
5.3.50.0010.02412.42
5.3.40.0000.04312.46
5.3.30.0050.03412.53
5.3.20.0050.02312.28
5.3.10.0020.03012.33
5.3.00.0050.03412.24
5.2.170.0000.03011.14
5.2.160.0000.03011.09
5.2.150.0100.04311.13
5.2.140.0030.04011.13
5.2.130.0030.05711.03
5.2.120.0030.03710.98
5.2.110.0070.06310.98
5.2.100.0000.04011.04
5.2.90.0030.03011.07
5.2.80.0000.03311.09
5.2.70.0100.05311.00
5.2.60.0070.03310.92
5.2.50.0070.06310.94
5.2.40.0030.05010.92
5.2.30.0030.05010.95
5.2.20.0130.05010.90
5.2.10.0000.04710.86
5.2.00.0070.04010.69
5.1.60.0030.03310.05
5.1.50.0030.0239.96
5.1.40.0070.0539.97
5.1.30.0030.04310.41
5.1.20.0070.03010.36
5.1.10.0100.04710.08
5.1.00.0030.03310.14
5.0.50.0000.0508.45
5.0.40.0030.0478.44
5.0.30.0000.0578.37
5.0.20.0000.0308.37
5.0.10.0000.0478.37
5.0.00.0000.0478.37
4.4.90.0000.0238.37
4.4.80.0070.0338.37
4.4.70.0030.0378.37
4.4.60.0030.0278.37
4.4.50.0030.0338.37
4.4.40.0070.0438.37
4.4.30.0030.0138.37
4.4.20.0030.0308.37
4.4.10.0030.0338.37
4.4.00.0000.0378.37
4.3.110.0000.0378.37
4.3.100.0000.0378.37
4.3.90.0030.0338.37
4.3.80.0030.0408.37
4.3.70.0000.0208.37
4.3.60.0000.0238.37
4.3.50.0100.0308.37
4.3.40.0070.0478.37
4.3.30.0070.0238.37
4.3.20.0070.0308.37
4.3.10.0000.0338.37
4.3.00.0000.0308.37

preferences:
49.21 ms | 401 KiB | 5 Q