3v4l.org

run code in 300+ PHP versions simultaneously
<?php class E { protected $a = array('franz' => 'de leon', 'cheryl' => 'chua'); public function a() { return $this->a; } } $ar = new E; $arr =& $ar->a(); $arr['john'] = 'doe'; var_dump($ar->a());

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)
8.3.40.0180.00318.96
8.3.30.0030.01018.79
8.3.20.0040.00420.16
8.3.10.0080.00022.21
8.3.00.0110.00722.52
8.2.170.0110.00722.96
8.2.160.0140.00719.20
8.2.150.0140.00424.18
8.2.140.0030.00524.66
8.2.130.0040.00426.16
8.2.120.0120.00620.79
8.2.110.0060.00322.09
8.2.100.0080.00419.38
8.2.90.0060.00319.08
8.2.80.0030.00517.97
8.2.70.0000.00917.50
8.2.60.0000.00718.03
8.2.50.0060.00318.07
8.2.40.0060.00318.09
8.2.30.0030.00518.10
8.2.20.0040.00417.59
8.2.10.0000.00817.65
8.2.00.0040.00417.72
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00623.83
8.1.230.0080.00319.16
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0050.00317.51
8.1.180.0000.00918.69
8.1.170.0040.00418.46
8.1.160.0040.00422.13
8.1.150.0040.00418.62
8.1.140.0040.00417.33
8.1.130.0000.00617.69
8.1.120.0040.00417.29
8.1.110.0000.00717.30
8.1.100.0030.00317.26
8.1.90.0070.00017.28
8.1.80.0070.00017.38
8.1.70.0080.00017.32
8.1.60.0040.00417.51
8.1.50.0080.00017.39
8.1.40.0000.00817.49
8.1.30.0040.00417.54
8.1.20.0030.00617.60
8.1.10.0000.00817.46
8.1.00.0040.00417.42
8.0.300.0000.00718.77
8.0.290.0070.00017.18
8.0.280.0070.00018.25
8.0.270.0050.00217.19
8.0.260.0070.00016.79
8.0.250.0030.00316.96
8.0.240.0000.00916.90
8.0.230.0070.00016.85
8.0.220.0040.00316.79
8.0.210.0030.00316.77
8.0.200.0030.00616.93
8.0.190.0030.00416.80
8.0.180.0040.00416.83
8.0.170.0000.00816.78
8.0.160.0040.00416.75
8.0.150.0000.00816.72
8.0.140.0070.00016.80
8.0.130.0030.00313.28
8.0.120.0020.00516.86
8.0.110.0040.00416.75
8.0.100.0070.00016.78
8.0.90.0040.00316.88
8.0.80.0060.00916.88
8.0.70.0000.00716.87
8.0.60.0000.00716.78
8.0.50.0070.00016.82
8.0.30.0170.00217.11
8.0.20.0100.00917.40
8.0.10.0080.00016.82
8.0.00.0080.01216.80
7.4.330.0030.00315.00
7.4.320.0030.00316.42
7.4.300.0050.00216.48
7.4.290.0070.00016.49
7.4.280.0070.00016.57
7.4.270.0060.00016.64
7.4.260.0000.00716.35
7.4.250.0000.00716.52
7.4.240.0020.00516.48
7.4.230.0000.00716.38
7.4.220.0000.01816.69
7.4.210.0070.00616.54
7.4.200.0070.00016.69
7.4.190.0050.00316.75
7.4.160.0160.00016.50
7.4.150.0120.00617.40
7.4.140.0140.00517.86
7.4.130.0070.01216.42
7.4.120.0080.01016.52
7.4.110.0090.00916.48
7.4.100.0160.00316.59
7.4.90.0110.00716.64
7.4.80.0080.00819.39
7.4.70.0140.00316.33
7.4.60.0090.00616.32
7.4.50.0040.00416.52
7.4.40.0140.00322.77
7.4.30.0090.00616.33
7.4.00.0000.01715.05
7.3.330.0000.00513.16
7.3.320.0000.00513.22
7.3.310.0030.00316.34
7.3.300.0030.00316.35
7.3.290.0100.00516.33
7.3.280.0100.00516.37
7.3.270.0060.01217.40
7.3.260.0070.01016.55
7.3.250.0120.00816.43
7.3.240.0000.01716.33
7.3.230.0070.01016.55
7.3.210.0040.01316.34
7.3.200.0130.00319.39
7.3.190.0130.00616.35
7.3.180.0040.01816.55
7.3.170.0120.00316.43
7.3.160.0100.00516.60
7.3.120.0060.00614.82
7.2.330.0110.00716.70
7.2.320.0140.00616.52
7.2.310.0060.01016.41
7.2.300.0080.00816.32
7.2.290.0060.00916.68
7.2.60.0190.01316.91
7.2.00.0030.01019.46
7.1.200.0080.00415.73
7.1.70.0030.00717.18
7.1.60.0070.00417.02
7.1.50.0050.00516.60
7.1.00.0030.07722.36
7.0.200.0040.01116.57
7.0.140.0070.06721.95
7.0.110.0070.05019.94
7.0.100.0070.06719.95
7.0.90.0070.06719.79
7.0.80.0100.08019.98
7.0.70.0070.08319.84
7.0.60.0070.08019.89
7.0.50.0130.07720.35
7.0.40.0170.05320.11
7.0.30.0030.08720.23
7.0.20.0070.08020.17
7.0.10.0130.05319.89
7.0.00.0130.04720.01
5.6.280.0130.08721.13
5.6.250.0030.07720.60
5.6.240.0130.06720.62
5.6.230.0170.07320.50
5.6.220.0030.06020.50
5.6.210.0000.08720.58
5.6.200.0100.07321.18
5.6.190.0130.07321.09
5.6.180.0170.07321.10
5.6.170.0070.08320.88
5.6.160.0070.07721.09
5.6.150.0100.07321.17
5.6.140.0070.07721.09
5.6.130.0070.08321.14
5.6.120.0070.08720.91
5.6.110.0070.06320.96
5.6.100.0100.08021.14
5.6.90.0070.05321.02
5.6.80.0100.07320.27
5.6.70.0100.07020.61
5.6.60.0070.07320.46
5.6.50.0000.09020.39
5.6.40.0070.08320.40
5.6.30.0030.08020.26
5.6.20.0100.07320.59
5.6.10.0070.07720.43
5.6.00.0030.07720.58
5.5.380.0100.07720.51
5.5.370.0130.07020.53
5.5.360.0070.08320.42
5.5.350.0030.08720.40
5.5.340.0100.08020.86
5.5.330.0100.08320.66
5.5.320.0130.08020.79
5.5.310.0100.07320.95
5.5.300.0170.07020.93
5.5.290.0130.07720.85
5.5.280.0070.09020.89
5.5.270.0100.08320.84
5.5.260.0070.09020.84
5.5.250.0100.07320.70
5.5.240.0070.07320.14
5.5.230.0030.08020.29
5.5.220.0030.05020.19
5.5.210.0100.07720.14
5.5.200.0030.07320.00
5.5.190.0070.07720.31
5.5.180.0100.04320.25
5.5.160.0100.08020.25
5.5.150.0070.07320.18
5.5.140.0070.06320.20
5.5.130.0030.07720.19
5.5.120.0030.04020.11
5.5.110.0030.05320.20
5.5.100.0200.06320.19
5.5.90.0000.07720.15
5.5.80.0100.07019.97
5.5.70.0070.07020.19
5.5.60.0100.07019.92
5.5.50.0030.05020.19
5.5.40.0070.04019.98
5.5.30.0130.06720.18
5.5.20.0100.04320.04
5.5.10.0030.04019.98
5.5.00.0100.03320.16
5.4.450.0130.07019.50
5.4.440.0130.04719.30
5.4.430.0100.04319.55
5.4.420.0100.06719.61
5.4.410.0100.04319.36
5.4.400.0100.07019.29
5.4.390.0070.07719.14
5.4.380.0030.08018.99
5.4.370.0070.06719.25
5.4.360.0100.07318.95
5.4.350.0070.07719.15
5.4.340.0000.07319.29
5.4.320.0070.08319.20
5.4.310.0000.08019.20
5.4.300.0100.07019.00
5.4.290.0070.07319.14
5.4.280.0070.04019.15
5.4.270.0070.07019.16
5.4.260.0070.07719.28
5.4.250.0030.07719.19
5.4.240.0170.06318.95
5.4.230.0170.06719.20
5.4.220.0030.08319.16
5.4.210.0100.07019.14
5.4.200.0130.06319.01
5.4.190.0000.07319.00
5.4.180.0030.03719.27
5.4.170.0030.07018.97
5.4.160.0000.07718.96
5.4.150.0030.04018.97
5.4.140.0000.04016.29
5.4.130.0070.02716.24
5.4.120.0030.03716.40
5.4.110.0100.03316.47
5.4.100.0030.06016.41
5.4.90.0000.04016.66
5.4.80.0030.03316.46
5.4.70.0030.03316.43
5.4.60.0000.03716.48
5.4.50.0070.07016.38
5.4.40.0030.05716.58
5.4.30.0100.03016.36
5.4.20.0000.03716.52
5.4.10.0000.04016.53
5.4.00.0000.03715.84
5.3.290.0100.04314.76
5.3.280.0130.06014.60
5.3.270.0070.03314.62
5.3.260.0100.05014.56
5.3.250.0070.07014.55
5.3.240.0000.04014.68
5.3.230.0000.03314.68
5.3.220.0000.03314.79
5.3.210.0070.04714.58
5.3.200.0000.04014.54
5.3.190.0000.04314.68
5.3.180.0030.07014.56
5.3.170.0030.03714.63
5.3.160.0130.06314.55
5.3.150.0030.03714.54
5.3.140.0100.03014.54
5.3.130.0000.04014.59
5.3.120.0030.06014.63
5.3.110.0070.04014.77
5.3.100.0000.04314.04
5.3.90.0030.05714.05
5.3.80.0030.03714.11
5.3.70.0130.02714.01
5.3.60.0030.04714.03
5.3.50.0030.03313.80
5.3.40.0030.03313.80
5.3.30.0000.05713.90
5.3.20.0070.04313.55
5.3.10.0030.05713.66
5.3.00.0030.03313.64
5.2.170.0030.04711.27
5.2.160.0000.03311.23
5.2.150.0030.03311.14
5.2.140.0100.02711.16
5.2.130.0030.05311.09
5.2.120.0030.02711.10
5.2.110.0100.05011.05
5.2.100.0100.02311.19
5.2.90.0000.03011.23
5.2.80.0030.02711.15
5.2.70.0000.03010.95
5.2.60.0000.03311.04
5.2.50.0000.03011.08
5.2.40.0000.03311.12
5.2.30.0030.03010.96
5.2.20.0070.02311.02
5.2.10.0030.02710.85
5.2.00.0030.02710.71
5.1.60.0070.02310.17
5.1.50.0030.0239.99
5.1.40.0000.0439.80
5.1.30.0000.03710.30
5.1.20.0030.02310.34
5.1.10.0070.02710.04
5.1.00.0000.02710.02
5.0.50.0070.0138.99
5.0.40.0000.0278.99
5.0.30.0000.0408.99
5.0.20.0000.0438.99
5.0.10.0000.0478.99
5.0.00.0070.0338.99
4.4.90.0030.0178.99
4.4.80.0070.0108.99
4.4.70.0000.0138.99
4.4.60.0000.0178.99
4.4.50.0000.0178.99
4.4.40.0030.0238.99
4.4.30.0000.0178.99
4.4.20.0000.0178.99
4.4.10.0000.0178.99
4.4.00.0030.0408.99
4.3.110.0030.0308.99
4.3.100.0030.0338.99
4.3.90.0000.0308.99
4.3.80.0030.0538.99
4.3.70.0000.0338.99
4.3.60.0070.0308.99
4.3.50.0030.0338.99
4.3.40.0070.0478.99
4.3.30.0000.0278.99
4.3.20.0000.0308.99
4.3.10.0000.0378.99
4.3.00.0000.0378.99

preferences:
57.07 ms | 400 KiB | 5 Q