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)
8.3.60.0090.00616.63
8.3.50.0140.00517.59
8.3.40.0070.00718.65
8.3.30.0070.00718.55
8.3.20.0030.00618.67
8.3.10.0080.00018.85
8.3.00.0090.00019.50
8.2.180.0120.00318.67
8.2.170.0070.01122.96
8.2.160.0110.00718.82
8.2.150.0030.00624.18
8.2.140.0030.00524.66
8.2.130.0050.00326.16
8.2.120.0140.00021.07
8.2.110.0050.00521.09
8.2.100.0080.00417.57
8.2.90.0090.00019.23
8.2.80.0000.00918.03
8.2.70.0040.00417.63
8.2.60.0040.00417.93
8.2.50.0000.00717.93
8.2.40.0050.00319.21
8.2.30.0000.01117.71
8.2.20.0080.00317.71
8.2.10.0080.00017.74
8.2.00.0040.00417.63
8.1.280.0090.00625.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0060.00320.96
8.1.230.0110.00017.89
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0080.00017.23
8.1.180.0040.00418.65
8.1.170.0050.00317.62
8.1.160.0070.00019.02
8.1.150.0050.00218.62
8.1.140.0050.00317.30
8.1.130.0030.00317.31
8.1.120.0050.00217.40
8.1.110.0050.00317.22
8.1.100.0070.00017.36
8.1.90.0030.00517.33
8.1.80.0000.00717.41
8.1.70.0030.00317.42
8.1.60.0040.00417.56
8.1.50.0040.00417.36
8.1.40.0030.00617.46
8.1.30.0090.00017.59
8.1.20.0050.00317.66
8.1.10.0000.00817.59
8.1.00.0040.00417.35
8.0.300.0040.00418.77
8.0.290.0000.00816.75
8.0.280.0030.00318.53
8.0.270.0000.00717.09
8.0.260.0000.00716.83
8.0.250.0000.00716.97
8.0.240.0080.00016.89
8.0.230.0000.00816.96
8.0.220.0030.00316.82
8.0.210.0080.00016.94
8.0.200.0000.00716.83
8.0.190.0050.00316.98
8.0.180.0080.00416.98
8.0.170.0040.00416.86
8.0.160.0040.00416.90
8.0.150.0000.00916.94
8.0.140.0040.00316.88
8.0.130.0030.00313.29
8.0.120.0040.00416.81
8.0.110.0030.00516.79
8.0.100.0040.00416.94
8.0.90.0040.00416.86
8.0.80.0060.00916.86
8.0.70.0000.00816.89
8.0.60.0040.00416.89
8.0.50.0000.00816.86
8.0.30.0120.00916.87
8.0.20.0150.00617.25
8.0.10.0040.00416.94
8.0.00.0120.00716.82
7.4.330.0000.00512.91
7.4.320.0030.00316.56
7.4.300.0000.00816.56
7.4.290.0000.00816.35
7.4.280.0050.00216.59
7.4.270.0060.00016.36
7.4.260.0030.00313.25
7.4.250.0040.00416.39
7.4.240.0070.00016.59
7.4.230.0000.00816.26
7.4.220.0100.01616.55
7.4.210.0100.01016.37
7.4.200.0060.00016.52
7.4.190.0020.00516.59
7.4.160.0130.00616.56
7.4.150.0140.00316.39
7.4.140.0190.00017.86
7.4.130.0080.01116.48
7.4.120.0130.00416.56
7.4.110.0120.01016.52
7.4.100.0180.00316.63
7.4.90.0030.01616.46
7.4.80.0080.01119.39
7.4.70.0070.01316.49
7.4.60.0140.00416.56
7.4.50.0040.00416.58
7.4.40.0070.00716.36
7.4.30.0090.00816.43
7.4.00.0040.01114.90
7.3.330.0060.00013.12
7.3.320.0050.00013.08
7.3.310.0040.00416.33
7.3.300.0040.00416.29
7.3.290.0050.01116.32
7.3.280.0090.00916.37
7.3.270.0180.00016.40
7.3.260.0080.01216.46
7.3.240.0030.01416.38
7.3.230.0070.01016.36
7.3.210.0060.01016.43
7.3.200.0030.01416.29
7.3.190.0100.00716.55
7.3.180.0070.00716.35
7.3.170.0030.01316.43
7.3.160.0060.01516.32
7.3.120.0040.01214.62
7.2.330.0060.01216.44
7.2.320.0140.00316.74
7.2.310.0120.01216.29
7.2.300.0060.01216.69
7.2.290.0030.01316.56
7.1.100.0000.01518.12
7.1.70.0040.00717.16
7.1.60.0150.00919.30
7.1.50.0170.00716.72
7.1.00.0070.07022.48
7.0.200.0000.00716.77
7.0.140.0030.07022.01
7.0.120.0030.06322.15
7.0.60.0000.04319.86
7.0.50.0070.07317.86
7.0.40.0030.08720.23
7.0.30.0430.06320.16
7.0.20.0130.08320.20
7.0.10.0100.08720.02
7.0.00.0030.04320.19
5.6.280.0130.06720.90
5.6.210.0030.09020.46
5.6.200.0200.05718.21
5.6.190.0030.04320.61
5.6.180.0300.07720.44
5.6.170.0300.08020.44
5.6.160.0030.05320.47
5.6.150.0070.04318.07
5.6.140.0100.07718.13
5.6.130.0070.08718.07
5.6.120.0000.09720.99
5.6.110.0030.08320.88
5.6.100.0170.06021.02
5.6.90.0100.06721.13
5.6.80.0100.07720.50
5.5.350.0100.07320.33
5.5.340.0070.08317.95
5.5.330.0070.04020.40
5.5.320.0230.04320.28
5.5.310.0270.04720.41
5.5.300.0130.06317.98
5.5.290.0030.04017.92
5.5.280.0100.04320.64
5.5.270.0170.07320.68
5.5.260.0000.09020.84
5.5.250.0070.04320.46
5.5.240.4000.04320.06
5.4.450.0030.04719.25
5.4.440.0070.05319.46
5.4.430.0100.03719.11
5.4.420.0100.07319.11
5.4.410.0030.08019.39
5.4.400.0030.08019.09
5.4.390.0000.08719.12
5.4.380.0130.03719.00
5.4.370.0000.04318.81
5.4.360.0070.03319.12
5.4.350.0000.04018.92
5.4.340.0000.04018.79
5.4.320.0100.03018.79
5.4.310.0000.04019.00
5.4.300.0030.04718.78
5.4.290.0030.03718.91
5.4.280.0100.03719.00
5.4.270.0070.03319.14
5.4.260.0030.03719.09
5.4.250.0030.03719.17
5.4.240.0070.03719.11
5.4.230.0000.04019.14
5.4.220.0070.04019.07
5.4.210.0000.04019.15
5.4.200.0100.03018.78
5.4.190.0030.03719.06
5.4.180.0030.04318.79
5.4.170.0070.03318.99
5.4.160.0030.03719.13
5.4.150.0000.04018.90
5.4.140.0070.03316.27
5.4.130.0170.02716.25
5.4.120.0030.03316.36
5.4.110.0030.03716.37
5.4.100.0030.07316.30
5.4.90.0070.05016.40
5.4.80.0070.05316.35
5.4.70.0170.06016.41
5.4.60.0000.07716.28
5.4.50.0130.05716.33
5.4.40.0030.08316.38
5.4.30.0070.07316.21
5.4.20.0070.06316.20
5.4.10.0100.06016.21
5.4.00.0070.07015.71
5.3.290.0070.03314.65
5.3.280.0000.04014.61
5.3.270.0070.03714.69
5.3.260.0030.04014.50
5.3.250.0100.03014.43
5.3.240.0070.03714.52
5.3.230.0070.03314.55
5.3.220.0000.05714.49
5.3.210.0030.05714.39
5.3.200.0030.03314.38
5.3.190.0030.07714.52
5.3.180.0070.04714.53
5.3.170.0030.06714.46
5.3.160.0130.05014.46
5.3.150.0100.07314.38
5.3.140.0170.05014.38
5.3.130.0100.07314.48
5.3.120.0100.07714.33
5.3.110.0070.06014.52
5.3.100.0130.07313.91
5.3.90.0130.07013.94
5.3.80.0070.07313.96
5.3.70.0070.04313.83
5.3.60.0030.07713.98
5.3.50.0070.07713.89
5.3.40.0030.07013.89
5.3.30.0130.05713.84
5.3.20.0000.06713.62
5.3.10.0030.07313.75
5.3.00.0070.07313.56
5.2.170.0100.05710.96
5.2.160.0070.05711.05
5.2.150.0000.04011.13
5.2.140.0030.04711.13
5.2.130.0000.04010.98
5.2.120.0100.04311.00
5.2.110.0070.06310.92
5.2.100.0030.05711.08
5.2.90.0070.06010.93
5.2.80.0030.05311.18
5.2.70.0030.03711.06
5.2.60.0070.04711.05
5.2.50.0030.05710.98
5.2.40.0070.05310.96
5.2.30.0100.06310.92
5.2.20.0030.03310.90
5.2.10.0070.06010.75
5.2.00.0100.04710.87
5.1.60.0030.0409.89
5.1.50.0070.0209.98
5.1.40.0030.0539.94
5.1.30.0030.04010.37
5.1.20.0030.05310.20
5.1.10.0070.05710.05
5.1.00.0100.05010.09
5.0.50.0030.0338.52
5.0.40.0030.0378.38
5.0.30.0070.0508.14
5.0.20.0000.0478.20
5.0.10.0100.0208.14
5.0.00.0030.0638.30
4.4.90.0030.0338.14
4.4.80.0030.0238.14
4.4.70.0100.0308.14
4.4.60.0130.0078.14
4.4.50.0000.0278.14
4.4.40.0070.0208.14
4.4.30.0030.0308.14
4.4.20.0000.0378.14
4.4.10.0000.0278.14
4.4.00.0070.0208.14
4.3.110.0000.0238.14
4.3.100.0030.0178.14
4.3.90.0100.0208.14
4.3.80.0030.0508.14
4.3.70.0030.0338.14
4.3.60.0000.0208.14
4.3.50.0030.0338.14
4.3.40.0000.0508.14
4.3.30.0070.0238.14
4.3.20.0070.0338.14
4.3.10.0000.0378.14
4.3.00.0000.0338.14

preferences:
42.45 ms | 401 KiB | 5 Q