3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = new ArrayObject(); $b = []; $a[null]['hurr'] = 'durr'; var_dump($a['epic_magic']); var_dump($b['epic_magic']); var_dump($c['epic_magic']); // Undefined var!! $d = []; var_dump($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)
8.3.40.0070.00718.67
8.3.30.0110.00318.85
8.3.20.0080.00018.74
8.3.10.0080.00021.08
8.3.00.0050.00321.90
8.2.170.0110.00422.96
8.2.160.0030.01220.39
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0040.00426.16
8.2.120.0070.00021.04
8.2.110.0030.00720.35
8.2.100.0120.00017.91
8.2.90.0030.00519.23
8.2.80.0040.00417.97
8.2.70.0060.00317.50
8.2.60.0040.00418.04
8.2.50.0030.00618.07
8.2.40.0060.00318.34
8.2.30.0070.00021.13
8.2.20.0050.00317.76
8.2.10.0040.00417.64
8.2.00.0000.00817.70
8.1.270.0050.00323.99
8.1.260.0000.00726.35
8.1.250.0000.00728.09
8.1.240.0030.00622.09
8.1.230.0070.00317.57
8.1.220.0030.00617.79
8.1.210.0040.00418.77
8.1.200.0090.00017.38
8.1.190.0090.00017.54
8.1.180.0050.00318.10
8.1.170.0080.00018.46
8.1.160.0070.00018.77
8.1.150.0040.00418.52
8.1.140.0070.00017.35
8.1.130.0000.00717.81
8.1.120.0040.00417.32
8.1.110.0050.00217.37
8.1.100.0040.00417.41
8.1.90.0030.00517.31
8.1.80.0040.00417.47
8.1.70.0020.00517.43
8.1.60.0080.00017.46
8.1.50.0040.00417.42
8.1.40.0050.00317.47
8.1.30.0040.00417.59
8.1.20.0040.00417.57
8.1.10.0030.00517.58
8.1.00.0040.00417.39
8.0.300.0060.00318.77
8.0.290.0050.00316.63
8.0.280.0030.00318.46
8.0.270.0000.00717.21
8.0.260.0070.00016.84
8.0.250.0000.00817.04
8.0.240.0000.00816.96
8.0.230.0000.00716.98
8.0.220.0000.00716.82
8.0.210.0030.00316.91
8.0.200.0060.00017.01
8.0.190.0030.00316.94
8.0.180.0040.00416.96
8.0.170.0040.00416.83
8.0.160.0050.00216.97
8.0.150.0070.00016.76
8.0.140.0040.00416.93
8.0.130.0000.00513.30
8.0.120.0000.00716.91
8.0.110.0040.00416.80
8.0.100.0000.00716.87
8.0.90.0040.00416.92
8.0.80.0070.01116.96
8.0.70.0060.00316.82
8.0.60.0000.00816.78
8.0.50.0070.00016.78
8.0.30.0130.00616.90
8.0.20.0090.01417.40
8.0.10.0060.00316.86
8.0.00.0070.01216.83
7.4.330.0030.00314.75
7.4.320.0030.00316.55
7.4.300.0050.00216.58
7.4.290.0070.00016.49
7.4.280.0000.00716.50
7.4.270.0070.00016.45
7.4.260.0050.00013.17
7.4.250.0050.00216.53
7.4.240.0050.00316.58
7.4.230.0030.00316.42
7.4.220.0140.00616.45
7.4.210.0070.00916.52
7.4.200.0030.00316.66
7.4.190.0030.00316.37
7.4.160.0130.00916.57
7.4.150.0080.00917.40
7.4.140.0120.00817.86
7.4.130.0110.00616.54
7.4.120.0140.00616.46
7.4.110.0150.00316.48
7.4.100.0100.00716.42
7.4.90.0070.01016.45
7.4.80.0120.01019.39
7.4.70.0070.01316.60
7.4.60.0120.00616.52
7.4.50.0030.00616.22
7.4.40.0060.00922.77
7.4.30.0180.00016.30
7.4.00.0100.00714.86
7.3.330.0000.00613.16
7.3.320.0030.00313.23
7.3.310.0040.00416.15
7.3.300.0070.00016.27
7.3.290.0130.00716.40
7.3.280.0080.00816.40
7.3.270.0090.00917.40
7.3.260.0120.00818.24
7.3.250.0060.01416.65
7.3.240.0090.01216.14
7.3.230.0040.01316.50
7.3.210.0030.01316.38
7.3.200.0060.01919.39
7.3.190.0110.01116.44
7.3.180.0130.00316.23
7.3.170.0090.01216.33
7.3.160.0080.00816.56
7.3.120.0120.00315.12
7.3.10.0170.00916.16
7.3.00.0080.02016.23
7.2.330.0090.00916.82
7.2.320.0070.01116.71
7.2.310.0090.00816.75
7.2.300.0120.00416.82
7.2.290.0080.01116.73
7.2.130.0230.00616.81
7.2.120.0120.01016.62
7.2.110.0130.00316.57
7.2.100.0140.00416.46
7.2.90.0180.01116.53
7.2.80.0120.00916.52
7.2.70.0180.00716.16
7.2.60.0150.00816.62
7.2.50.0160.01216.78
7.2.40.0210.00716.79
7.2.30.0180.00416.42
7.2.20.0210.00516.35
7.2.10.0210.01116.64
7.2.00.0070.01217.85
7.1.250.0070.01415.14
7.1.100.0000.01017.65
7.1.70.0000.00717.04
7.1.60.0100.01419.40
7.1.50.0070.01417.05
7.1.00.0000.03722.30
7.0.200.0120.00416.75
7.0.140.0070.07022.18
7.0.70.0030.08021.63
7.0.60.0070.08021.63
7.0.50.0070.07322.11
7.0.40.0000.08020.05
7.0.30.0070.07320.05
7.0.20.0070.08020.02
7.0.10.0030.07020.08
7.0.00.0000.08720.11
5.6.280.0000.07321.03
5.6.220.0030.06720.54
5.6.210.0130.07020.38
5.6.200.0070.08321.13
5.6.190.0030.08021.11
5.6.180.0000.07321.05
5.6.170.0070.05321.09
5.6.160.0130.07020.93
5.6.150.0030.08020.95
5.6.140.0130.07021.02
5.6.130.0030.08321.12
5.6.120.0070.08021.13
5.6.110.0070.07721.06
5.6.100.0030.07721.04
5.6.90.0000.08020.99
5.6.80.0000.08720.44
5.6.70.0030.04720.43
5.6.60.0030.03720.44
5.6.50.0000.04020.45
5.6.40.0030.03720.30
5.6.30.0070.03320.32
5.6.20.0070.03320.43
5.6.10.0030.04020.45
5.6.00.0030.03020.29
5.5.360.0100.08020.38
5.5.350.0070.07320.35
5.5.340.0070.07020.83
5.5.330.0000.08020.93
5.5.320.0030.06320.79
5.5.310.0030.07320.86
5.5.300.0070.07720.85
5.5.290.0000.06720.63
5.5.280.0070.06720.86
5.5.270.0070.06320.86
5.5.260.0100.07720.71
5.5.250.0000.08020.56
5.5.240.0130.05720.14
5.5.230.0070.05320.27
5.5.220.0030.03720.25
5.5.210.0030.03720.16
5.5.200.0030.03720.20
5.5.190.0030.03020.14
5.5.180.0000.04020.18
5.5.160.0070.03320.26
5.5.150.0000.03720.26
5.5.140.0000.03319.98
5.5.130.0000.03320.25
5.5.120.0000.03320.22
5.5.110.0030.03020.21
5.5.100.0070.03319.94
5.5.90.0030.03720.00
5.5.80.0070.02720.00
5.5.70.0000.04320.05
5.5.60.0000.03320.00
5.5.50.0000.03319.99
5.5.40.0030.03720.07
5.5.30.0030.03020.07
5.5.20.0000.03319.92
5.5.10.0100.02319.97
5.5.00.0000.03320.02
5.4.450.0100.07719.30
5.4.440.0030.05019.36
5.4.430.0030.07719.26
5.4.420.0070.06319.46
5.4.410.0070.07319.29
5.4.400.0000.07719.14
5.4.390.0030.03719.12
5.4.380.0000.03719.06
5.4.370.0000.03719.02
5.4.360.0000.04018.94
5.4.350.0000.03718.95
5.4.340.0000.04018.80
5.4.320.0070.03019.03
5.4.310.0000.04019.14
5.4.300.0030.03319.02
5.4.290.0070.03319.05
5.4.280.0000.03319.05
5.4.270.0070.02319.11
5.4.260.0070.03019.05
5.4.250.0030.03718.95
5.4.240.0100.03319.13
5.4.230.0000.03019.05
5.4.220.0000.04318.95
5.4.210.0000.03719.09
5.4.200.0000.03018.95
5.4.190.0000.03019.11
5.4.180.0000.03019.05
5.4.170.0030.02718.99
5.4.160.0000.03319.11
5.4.150.0000.03318.92
5.4.140.0000.03016.23
5.4.130.0000.03016.29
5.4.120.0000.03016.27
5.4.110.0000.03316.25
5.4.100.0030.02716.26
5.4.90.0000.03016.23
5.4.80.0000.03316.21
5.4.70.0030.03716.42
5.4.60.0030.03716.20
5.4.50.0030.03316.23
5.4.40.0030.03316.23
5.4.30.0000.03016.27
5.4.20.0000.03316.29
5.4.10.0000.04016.20
5.4.00.0000.03315.75
5.3.290.0030.03714.52
5.3.280.0000.03014.60
5.3.270.0000.03714.59
5.3.260.0000.03014.59
5.3.250.0000.03014.56
5.3.240.0000.03314.54
5.3.230.0000.03014.55
5.3.220.0000.04014.52
5.3.210.0000.03014.52
5.3.200.0000.03014.50
5.3.190.0030.02714.55
5.3.180.0000.03014.42
5.3.170.0070.03314.54
5.3.160.0070.03314.52
5.3.150.0000.03014.55
5.3.140.0030.04014.41
5.3.130.0000.03014.49
5.3.120.0000.04014.40
5.3.110.0000.03314.36
5.3.100.0000.03714.02
5.3.90.0000.07714.03
5.3.80.0030.02713.88
5.3.70.0030.02713.92
5.3.60.0030.02714.01
5.3.50.0000.07713.93
5.3.40.0030.03313.70
5.3.30.0000.04713.66
5.3.20.0030.03013.54
5.3.10.0000.07713.65
5.3.00.0030.03713.40
5.2.170.0000.06711.13
5.2.160.0000.03010.99
5.2.150.0070.02711.08
5.2.140.0000.03010.95
5.2.130.0000.04011.13
5.2.120.0000.06311.16
5.2.110.0000.04011.16
5.2.100.0030.03311.09
5.2.90.0030.06310.92
5.2.80.0000.03311.09
5.2.70.0000.05711.01
5.2.60.0000.05011.00
5.2.50.0000.03310.95
5.2.40.0030.05710.80
5.2.30.0030.02310.96
5.2.20.0000.05710.93
5.2.10.0100.05010.78
5.2.00.0030.06010.75
5.1.60.0000.04010.04
5.1.50.0000.04010.04
5.1.40.0000.04710.02
5.1.30.0030.05310.39
5.1.20.0000.06310.41
5.1.10.0030.05010.09
5.1.00.0000.05010.08
5.0.50.0070.0439.66
5.0.40.0000.0409.66
5.0.30.0000.0679.66
5.0.20.0030.0309.66
5.0.10.0000.0339.66
5.0.00.0000.0579.66
4.4.90.0030.0179.66
4.4.80.0000.0379.66
4.4.70.0030.0409.66
4.4.60.0000.0339.66
4.4.50.0000.0309.66
4.4.40.0000.0409.66
4.4.30.0030.0339.66
4.4.20.0030.0309.66
4.4.10.0000.0379.66
4.4.00.0030.0509.66
4.3.110.0000.0379.66
4.3.100.0030.0339.66
4.3.90.0000.0279.66
4.3.80.0030.0539.66
4.3.70.0000.0339.66
4.3.60.0030.0279.66
4.3.50.0030.0309.66
4.3.40.0000.0539.66
4.3.30.0000.0309.66
4.3.20.0030.0339.66
4.3.10.0000.0409.66
4.3.00.0000.0379.66

preferences:
44.48 ms | 400 KiB | 5 Q