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.

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)
8.3.60.0180.00416.63
8.3.50.0120.00921.90
8.3.40.0060.00918.85
8.3.30.0100.00319.05
8.3.20.0040.00420.16
8.3.10.0040.00423.68
8.3.00.0070.00020.68
8.2.180.0070.01118.54
8.2.170.0110.00322.96
8.2.160.0030.01022.00
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0050.00226.16
8.2.120.0000.00722.30
8.2.110.0070.00319.35
8.2.100.0040.00817.63
8.2.90.0030.00519.22
8.2.80.0030.00617.97
8.2.70.0100.00017.63
8.2.60.0050.00517.80
8.2.50.0000.00818.07
8.2.40.0000.00818.22
8.2.30.0000.00717.97
8.2.20.0030.00517.68
8.2.10.0080.00017.68
8.2.00.0000.00717.63
8.1.280.0060.01325.92
8.1.270.0040.00423.91
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0070.00322.20
8.1.230.0090.00317.48
8.1.220.0020.00517.74
8.1.210.0090.00018.77
8.1.200.0060.00317.23
8.1.190.0040.00417.43
8.1.180.0080.00018.10
8.1.170.0040.00418.34
8.1.160.0040.00421.83
8.1.150.0040.00418.50
8.1.140.0040.00417.44
8.1.130.0030.00317.88
8.1.120.0070.00017.30
8.1.110.0000.00717.30
8.1.100.0000.00717.36
8.1.90.0000.00817.46
8.1.80.0030.00317.34
8.1.70.0070.00017.36
8.1.60.0080.00317.54
8.1.50.0090.00017.36
8.1.40.0050.00317.36
8.1.30.0050.00317.54
8.1.20.0050.00317.47
8.1.10.0060.00317.49
8.1.00.0050.00317.54
8.0.300.0000.00818.77
8.0.290.0070.00017.15
8.0.280.0070.00018.39
8.0.270.0030.00317.17
8.0.260.0080.00016.82
8.0.250.0000.00816.99
8.0.240.0000.00817.00
8.0.230.0030.00316.97
8.0.220.0040.00416.88
8.0.210.0070.00016.79
8.0.200.0000.00616.98
8.0.190.0040.00416.87
8.0.180.0000.00716.96
8.0.170.0080.00016.93
8.0.160.0000.00816.94
8.0.150.0000.00716.84
8.0.140.0040.00416.84
8.0.130.0050.00013.37
8.0.120.0040.00416.81
8.0.110.0000.00716.79
8.0.100.0000.00716.86
8.0.90.0000.00716.80
8.0.80.0030.01316.79
8.0.70.0040.00416.79
8.0.60.0070.00016.75
8.0.50.0040.00416.81
8.0.30.0100.01016.96
8.0.20.0080.01117.40
8.0.10.0040.00416.88
8.0.00.0090.00916.72
7.4.330.0000.00515.01
7.4.320.0000.00616.46
7.4.300.0030.00316.44
7.4.290.0000.00716.43
7.4.280.0090.00016.45
7.4.270.0030.00316.36
7.4.260.0000.00716.50
7.4.250.0040.00416.39
7.4.240.0020.00516.56
7.4.230.0000.00816.56
7.4.220.0110.01116.53
7.4.210.0050.00916.49
7.4.200.0030.00316.36
7.4.190.0040.00416.63
7.4.160.0100.00716.31
7.4.150.0060.01117.40
7.4.140.0070.01017.86
7.4.130.0140.00416.45
7.4.120.0070.01216.39
7.4.110.0070.01016.39
7.4.100.0110.01116.46
7.4.90.0170.00416.43
7.4.80.0110.00616.58
7.4.70.0070.01016.45
7.4.60.0060.01016.45
7.4.50.0000.00516.45
7.4.40.0060.00922.77
7.4.30.0100.00716.60
7.4.00.0080.00815.03
7.3.330.0030.00313.01
7.3.320.0030.00313.25
7.3.310.0000.00716.21
7.3.300.0000.00716.25
7.3.290.0110.00316.39
7.3.280.0060.01116.34
7.3.270.0040.01217.40
7.3.260.0140.00416.25
7.3.250.0140.00916.36
7.3.240.0070.01016.53
7.3.230.0100.00616.39
7.3.210.0160.00616.25
7.3.200.0110.00919.39
7.3.190.0000.01716.36
7.3.180.0030.01316.32
7.3.170.0100.00716.32
7.3.160.0080.01416.48
7.3.120.0100.00514.79
7.3.110.0140.00314.75
7.3.100.0000.01914.52
7.3.90.0050.00814.80
7.3.80.0060.01014.81
7.3.70.0040.00814.79
7.3.60.0070.00714.82
7.3.50.0100.00014.86
7.3.40.0070.00714.77
7.3.30.0030.01014.79
7.3.20.0040.01116.72
7.3.10.0110.00716.29
7.3.00.0060.01116.17
7.2.330.0080.01616.30
7.2.320.0030.01416.38
7.2.310.0110.00616.62
7.2.300.0070.01316.76
7.2.290.0060.00916.73
7.2.250.0000.01814.91
7.2.240.0060.01115.17
7.2.230.0070.01315.05
7.2.220.0040.01115.20
7.2.210.0040.01114.84
7.2.200.0040.01115.22
7.2.190.0040.01214.94
7.2.180.0000.01114.82
7.2.170.0020.00914.78
7.2.130.0060.00916.43
7.2.120.0070.01016.13
7.2.110.0100.00716.35
7.2.100.0190.00616.10
7.2.90.0040.01416.33
7.2.80.0120.00316.26
7.2.70.0120.01216.43
7.2.60.0110.00816.32
7.2.50.0130.01016.64
7.2.40.0190.00316.89
7.2.30.0130.01316.27
7.2.20.0180.00416.46
7.2.10.0030.01416.32
7.2.00.0070.00716.78
7.1.330.0000.01515.93
7.1.320.0000.01515.71
7.1.310.0070.00315.48
7.1.300.0080.00415.78
7.1.290.0080.00315.72
7.1.280.0080.00415.62
7.1.270.0040.01115.70
7.1.260.0030.00615.55
7.1.250.0040.01114.93
7.1.200.0040.00415.73
7.1.100.0040.01118.05
7.1.70.0030.00717.19
7.1.60.0090.00919.27
7.1.50.0060.00616.91
7.1.00.0130.06722.42
7.0.200.0060.00616.56
7.0.140.0030.07322.15
7.0.80.0130.08019.94
7.0.70.0100.04319.96
7.0.60.0100.08019.89
7.0.50.0300.06320.36
7.0.40.0070.04320.01
7.0.30.0070.04020.05
7.0.20.0070.04020.00
7.0.10.0070.04020.16
7.0.00.0100.03720.07
5.6.280.0100.06721.04
5.6.230.0170.06720.50
5.6.220.0070.04320.52
5.6.210.0100.04720.75
5.6.200.0130.04321.13
5.6.190.0070.04721.17
5.6.180.0030.05321.11
5.6.170.0000.05721.13
5.6.160.0100.03321.04
5.6.150.0000.04321.02
5.6.140.0100.07721.11
5.6.130.0000.06021.13
5.6.120.0030.07021.00
5.6.110.0070.03720.92
5.6.100.0030.05020.93
5.6.90.0000.04720.99
5.6.80.0070.07020.40
5.6.70.0000.04320.51
5.6.60.0070.06320.44
5.6.50.0030.06320.43
5.6.40.0000.04720.38
5.6.30.0070.03720.29
5.6.20.0030.03720.39
5.6.10.0000.04320.41
5.6.00.0030.05720.30
5.5.370.0070.06720.57
5.5.360.0070.05720.40
5.5.350.0170.07320.43
5.5.340.0170.05020.88
5.5.330.0100.04320.88
5.5.320.0030.04320.73
5.5.310.0030.04020.88
5.5.300.0030.04320.91
5.5.290.0130.06320.91
5.5.280.0030.04020.85
5.5.270.0030.04020.91
5.5.260.0030.05720.82
5.5.250.0100.06320.71
5.5.240.0070.04720.30
5.5.230.0000.04020.26
5.5.220.0100.03720.14
5.5.210.0030.04020.24
5.5.200.0070.03720.12
5.5.190.0070.03320.17
5.5.180.0000.04320.22
5.5.160.0030.04020.26
5.5.150.0030.04020.13
5.5.140.0100.03020.23
5.5.130.0030.04020.26
5.5.120.0030.04320.12
5.5.110.0030.04019.98
5.5.100.0000.04320.13
5.5.90.0030.03320.16
5.5.80.0130.06320.14
5.5.70.0100.03020.05
5.5.60.0000.04020.06
5.5.50.0030.06320.08
5.5.40.0030.07020.04
5.5.30.0070.04320.04
5.5.20.0100.06720.04
5.5.10.0070.07320.12
5.5.00.0100.07720.04
5.4.450.0070.04719.35
5.4.440.0070.04319.35
5.4.430.0000.06019.10
5.4.420.0030.08319.44
5.4.410.0000.04319.34
5.4.400.0100.03719.12
5.4.390.0030.03719.13
5.4.380.0030.04019.07
5.4.370.0030.03719.05
5.4.360.0030.04019.13
5.4.350.0130.05319.04
5.4.340.0030.03719.02
5.4.320.0000.04318.95
5.4.310.0030.04319.06
5.4.300.0000.07319.04
5.4.290.0130.07018.97
5.4.280.0100.05018.94
5.4.270.0030.04018.96
5.4.260.0000.04019.07
5.4.250.0000.03719.05
5.4.240.0030.05019.01
5.4.230.0030.06018.80
5.4.220.0000.03718.89
5.4.210.0100.07019.00
5.4.200.0100.06019.07
5.4.190.0130.06718.93
5.4.180.0130.05718.93
5.4.170.0100.06319.06
5.4.160.0000.08318.80
5.4.150.0070.04318.79
5.4.140.0030.03716.12
5.4.130.0030.04016.27
5.4.120.0100.05316.42
5.4.110.0100.07316.31
5.4.100.0100.07016.26
5.4.90.0070.07016.25
5.4.80.0100.06316.36
5.4.70.0070.07716.21
5.4.60.0070.07016.30
5.4.50.0070.05016.31
5.4.40.0100.06316.34
5.4.30.0100.06716.30
5.4.20.0170.06016.34
5.4.10.0030.05016.23
5.4.00.0170.06315.81
5.3.290.0030.03714.64
5.3.280.0000.04014.41
5.3.270.0030.05014.54
5.3.260.0100.07314.56
5.3.250.0100.07314.61
5.3.240.0070.07014.46
5.3.230.0100.08014.54
5.3.220.0070.07314.56
5.3.210.0100.05714.49
5.3.200.0070.05314.55
5.3.190.0100.04714.55
5.3.180.0100.07314.50
5.3.170.0030.07714.55
5.3.160.0100.04014.41
5.3.150.0070.07314.47
5.3.140.0000.08014.38
5.3.130.0100.07714.54
5.3.120.0170.07314.40
5.3.110.0030.06014.54
5.3.100.0030.07714.03
5.3.90.0100.07314.00
5.3.80.0100.07314.01
5.3.70.0100.07013.93
5.3.60.0030.08313.96
5.3.50.0130.06013.71
5.3.40.0070.05013.80
5.3.30.0030.07013.76
5.3.20.0070.07313.66
5.3.10.0030.07013.60
5.3.00.0070.07013.49
5.2.170.0000.03311.65
5.2.160.0030.06011.65
5.2.150.0030.05011.65
5.2.140.0130.05311.65
5.2.130.0000.06311.65
5.2.120.0070.06011.65
5.2.110.0000.06711.65
5.2.100.0100.05711.65
5.2.90.0030.06311.65
5.2.80.0070.06011.65
5.2.70.0030.05711.65
5.2.60.0000.06011.65
5.2.50.0070.06011.65
5.2.40.0070.04711.65
5.2.30.0070.06311.65
5.2.20.0000.03711.65
5.2.10.0030.04711.65
5.2.00.0070.06011.65
5.1.60.0100.03711.65
5.1.50.0230.03311.65
5.1.40.0070.03311.65
5.1.30.0130.03011.65
5.1.20.0030.06011.65
5.1.10.0000.03311.65
5.1.00.0000.05711.65
5.0.50.0030.04711.65
5.0.40.0070.04011.65
5.0.30.0030.06311.65
5.0.20.0030.04311.65
5.0.10.0100.03311.65
5.0.00.0030.03311.65
4.4.90.0070.03011.65
4.4.80.0070.03011.65
4.4.70.0070.03011.65
4.4.60.0030.02311.65
4.4.50.0070.02711.65
4.4.40.0070.03311.65
4.4.30.0070.02311.65
4.4.20.0030.03311.65
4.4.10.0000.04011.65
4.4.00.0070.04711.65
4.3.110.0000.03311.65
4.3.100.0000.02711.65
4.3.90.0000.03311.65
4.3.80.0000.03011.65
4.3.70.0070.03011.65
4.3.60.0030.01311.65
4.3.50.0030.03311.65
4.3.40.0030.03311.65
4.3.30.0000.02011.65
4.3.20.0070.02311.65
4.3.10.0000.02311.65
4.3.00.0000.03311.65

preferences:
43.27 ms | 401 KiB | 5 Q