3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj = new StdClass; $obj->{'1'} = 'foo'; $arr = (array) $obj; var_dump($arr); var_dump(array_keys($arr)); var_dump($arr['1']); var_dump($arr[1]);

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)
8.3.60.0160.00316.50
8.3.50.0050.01417.58
8.3.40.0060.00918.73
8.3.30.0150.00018.84
8.3.20.0080.00018.82
8.3.10.0030.00520.53
8.3.00.0030.00519.38
8.2.180.0080.00816.50
8.2.170.0070.01022.96
8.2.160.0070.00721.19
8.2.150.0030.00624.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00720.25
8.2.110.0070.00319.30
8.2.100.0060.00617.84
8.2.90.0000.00919.34
8.2.80.0000.00719.32
8.2.70.0040.00417.63
8.2.60.0060.00318.05
8.2.50.0040.00418.07
8.2.40.0040.00418.16
8.2.30.0000.00718.00
8.2.20.0030.00617.69
8.2.10.0000.00717.74
8.2.00.0080.00017.69
8.1.270.0050.00224.66
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0090.00022.50
8.1.230.0040.00820.96
8.1.220.0000.00817.74
8.1.210.0000.00818.91
8.1.200.0060.00317.10
8.1.190.0020.00517.64
8.1.180.0080.00018.10
8.1.170.0000.00818.86
8.1.160.0040.00418.74
8.1.150.0040.00418.56
8.1.140.0000.00717.40
8.1.130.0030.00317.84
8.1.120.0000.00717.38
8.1.110.0070.00017.38
8.1.100.0000.00817.35
8.1.90.0000.00717.44
8.1.80.0000.00717.26
8.1.70.0040.00417.41
8.1.60.0030.00617.57
8.1.50.0030.00617.49
8.1.40.0000.00717.43
8.1.30.0020.00517.50
8.1.20.0000.00817.63
8.1.10.0000.00717.52
8.1.00.0040.00417.51
8.0.300.0000.00719.93
8.0.290.0040.00416.63
8.0.280.0000.00718.37
8.0.270.0070.00017.19
8.0.260.0030.00316.75
8.0.250.0030.00516.81
8.0.240.0040.00416.82
8.0.230.0000.00716.90
8.0.220.0000.00716.78
8.0.210.0030.00716.70
8.0.200.0060.00016.93
8.0.190.0050.00316.80
8.0.180.0080.00016.88
8.0.170.0000.00816.81
8.0.160.0040.00416.85
8.0.150.0040.00416.72
8.0.140.0080.00416.62
8.0.130.0030.00313.21
8.0.120.0070.00016.79
8.0.110.0060.00216.70
8.0.100.0060.00316.65
8.0.90.0000.00816.70
8.0.80.0070.00716.85
8.0.70.0000.00716.63
8.0.60.0000.00716.68
8.0.50.0030.00616.83
8.0.30.0120.00617.07
8.0.20.0090.01216.96
8.0.10.0000.00816.95
8.0.00.0120.00616.85
7.4.330.0050.00012.94
7.4.320.0000.00716.50
7.4.300.0060.00016.41
7.4.290.0050.00316.49
7.4.280.0060.00316.58
7.4.270.0000.00716.58
7.4.260.0000.00513.31
7.4.250.0040.00416.59
7.4.240.0070.00016.62
7.4.230.0030.00316.58
7.4.220.0090.00916.55
7.4.210.0050.01016.57
7.4.200.0030.00316.59
7.4.190.0080.00016.66
7.4.160.0060.00916.30
7.4.150.0140.00316.47
7.4.140.0060.01216.51
7.4.130.0070.00916.45
7.4.120.0100.00616.48
7.4.110.0030.01316.40
7.4.100.0120.00616.42
7.4.90.0150.00316.64
7.4.80.0140.00316.35
7.4.70.0000.02016.61
7.4.60.0130.00316.64
7.4.50.0030.01016.28
7.4.40.0060.00616.52
7.4.30.0070.01416.69
7.4.00.0090.00314.80
7.3.330.0030.00513.13
7.3.320.0000.00513.24
7.3.310.0050.00216.30
7.3.300.0040.00416.19
7.3.290.0140.00716.27
7.3.280.0050.01116.29
7.3.270.0150.00916.22
7.3.260.0030.01516.49
7.3.250.0110.01116.25
7.3.240.0130.00316.29
7.3.230.0120.00316.56
7.3.210.0140.00316.57
7.3.200.0080.00819.39
7.3.190.0060.01516.32
7.3.180.0130.00616.47
7.3.170.0130.00316.31
7.3.160.0060.01116.50
7.3.120.0070.00714.57
7.3.110.0060.00614.93
7.3.100.0030.01214.79
7.3.90.0000.01814.45
7.3.80.0060.00614.48
7.3.70.0120.00314.73
7.3.60.0070.00714.70
7.3.50.0060.00614.65
7.3.40.0070.00714.60
7.3.30.0100.00314.62
7.3.20.0040.00716.73
7.3.10.0100.01016.46
7.3.00.0110.00316.19
7.2.330.0120.00916.83
7.2.320.0090.01116.75
7.2.310.0180.00616.68
7.2.300.0120.00616.66
7.2.290.0050.01116.69
7.2.240.0110.00615.23
7.2.230.0090.00614.95
7.2.220.0110.00415.02
7.2.210.0110.00714.68
7.2.200.0080.00815.16
7.2.190.0000.01215.06
7.2.180.0000.01315.02
7.2.170.0070.00414.83
7.2.160.0090.00615.17
7.2.150.0030.00916.83
7.2.140.0000.01317.09
7.2.130.0090.00516.93
7.2.120.0090.00716.91
7.2.110.0110.00616.65
7.2.100.0040.01216.58
7.2.90.0090.01216.82
7.2.80.0110.00716.86
7.2.70.0120.00716.65
7.2.60.0050.01116.83
7.2.50.0100.00716.78
7.2.40.0080.00516.81
7.2.30.0060.00416.96
7.2.20.0070.01216.89
7.2.10.0050.00816.82
7.2.00.0050.01117.71
7.1.330.0070.01115.94
7.1.320.0140.00015.86
7.1.310.0140.00015.59
7.1.300.0070.00415.86
7.1.290.0000.01415.49
7.1.280.0070.00315.85
7.1.270.0070.00415.84
7.1.260.0030.01415.50
7.1.250.0060.01015.80
7.1.200.0030.00815.83
7.1.100.0090.00318.13
7.1.70.0000.00816.91
7.1.60.0120.01219.40
7.1.50.0070.01417.08
7.1.00.0070.03022.54
7.0.200.0200.00714.88
7.0.140.0030.07721.98
7.0.120.0030.07722.17
7.0.60.0170.07719.98
7.0.50.0100.08317.86
7.0.40.0200.06720.20
7.0.30.0200.05320.13
7.0.20.0100.05020.18
7.0.10.0070.04320.20
7.0.00.0030.04320.19
5.6.280.0030.07321.09
5.6.210.0070.07320.71
5.6.200.0070.07718.19
5.6.190.0100.08020.39
5.6.180.0030.08320.68
5.6.170.0070.06720.56
5.6.160.0070.06320.34
5.6.150.0100.06020.34
5.6.140.0130.05320.17
5.6.130.0170.08020.11
5.6.120.0070.06320.34
5.6.110.0100.07720.09
5.6.100.0130.04720.20
5.6.90.0100.06720.08
5.6.80.0130.07719.80
5.6.70.0000.06319.80
5.6.60.0100.05319.59
5.6.50.0000.04319.50
5.6.40.0130.06019.76
5.6.30.0100.07719.70
5.6.20.0070.03719.79
5.6.10.0130.07019.69
5.6.00.0130.04719.71
5.5.350.0030.08320.43
5.5.340.0000.09017.92
5.5.330.0070.08320.39
5.5.320.0070.08720.57
5.5.310.0070.06320.26
5.5.300.0100.08720.16
5.5.290.0100.05020.19
5.5.280.0130.07020.15
5.5.270.0100.07319.96
5.5.260.0070.06320.20
5.5.250.0070.07319.98
5.5.240.0070.05719.38
5.5.230.0130.06019.61
5.5.220.0070.06019.63
5.5.210.0030.04319.66
5.5.200.0100.03319.55
5.5.190.0130.08719.58
5.5.180.0070.08319.25
5.5.160.0200.03319.55
5.5.150.0070.07319.58
5.5.140.0100.06319.58
5.5.130.0100.06719.57
5.5.120.0100.07719.48
5.5.110.0030.04319.23
5.5.100.0100.04319.48
5.5.90.0030.07719.16
5.5.80.0000.07019.45
5.5.70.0070.04319.46
5.5.60.0100.05719.44
5.5.50.0200.06719.23
5.5.40.0100.07319.46
5.5.30.0070.03719.55
5.5.20.0100.04319.47
5.5.10.0070.04019.24
5.5.00.0100.04019.42
5.4.450.0070.05719.46
5.4.440.0100.05019.46
5.4.430.0030.08019.43
5.4.420.0030.05319.46
5.4.410.0070.06019.11
5.4.400.0030.06319.02
5.4.390.0000.06019.17
5.4.380.0030.08319.05
5.4.370.0100.05019.09
5.4.360.0100.07319.00
5.4.350.0000.04719.14
5.4.340.0070.07318.79
5.4.320.0070.03719.18
5.4.310.0200.07018.79
5.4.300.0030.07318.79
5.4.290.0130.06319.15
5.4.280.0070.07719.15
5.4.270.0030.05018.91
5.4.260.0030.07319.00
5.4.250.0030.04019.11
5.4.240.0130.04719.07
5.4.230.0030.05718.91
5.4.220.0070.05018.78
5.4.210.0070.06319.13
5.4.200.0170.06719.14
5.4.190.0030.08019.14
5.4.180.0100.03319.07
5.4.170.0130.06719.07
5.4.160.0070.07319.15
5.4.150.0070.07018.76
5.4.140.0030.07716.30
5.4.130.0030.04716.28
5.4.120.0130.06016.22
5.4.110.0130.06316.60
5.4.100.0000.06016.34
5.4.90.0000.06316.15
5.4.80.0070.06716.39
5.4.70.0070.04316.39
5.4.60.0030.07316.58
5.4.50.0070.07016.21
5.4.40.0030.08016.28
5.4.30.0070.03316.34
5.4.20.0030.07316.34
5.4.10.0070.07016.32
5.4.00.0070.07315.93
5.3.290.0000.04314.63
5.3.280.0030.08014.57
5.3.270.0070.07014.53
5.3.260.0030.08014.53
5.3.250.0030.07714.53
5.3.240.0130.06714.56
5.3.230.0170.06714.54
5.3.220.0070.07314.49
5.3.210.0030.04014.58
5.3.200.0070.07714.66
5.3.190.0130.06314.58
5.3.180.0030.04014.48
5.3.170.0030.04014.51
5.3.160.0070.03314.38
5.3.150.0130.06714.44
5.3.140.0070.05314.51
5.3.130.0100.07314.48
5.3.120.0070.07314.48
5.3.110.0030.06014.48
5.3.100.0070.07014.01
5.3.90.0100.07013.94
5.3.80.0030.07313.95
5.3.70.0000.06013.96
5.3.60.0170.06713.93
5.3.50.0000.08313.86
5.3.40.0030.03713.73
5.3.30.0000.06713.85
5.3.20.0070.05313.63
5.3.10.0070.05313.63
5.3.00.0030.07713.58
5.2.170.0000.04311.13
5.2.160.0100.03011.04
5.2.150.0000.06711.04
5.2.140.0000.04711.04
5.2.130.0070.03311.08
5.2.120.0000.03711.07
5.2.110.0030.05711.08
5.2.100.0030.06011.03
5.2.90.0070.06010.96
5.2.80.0030.06711.07
5.2.70.0030.04711.02
5.2.60.0000.04310.92
5.2.50.0030.02710.91
5.2.40.0070.05710.89
5.2.30.0070.04310.91
5.2.20.0070.04011.03
5.2.10.0030.04010.76
5.2.00.0130.05310.79
5.1.60.0000.0309.96
5.1.50.0000.02710.05
5.1.40.0000.0279.96
5.1.30.0000.02710.21
5.1.20.0070.02310.35
5.1.10.0000.02710.11
5.1.00.0000.02710.06
5.0.50.0000.0278.44
5.0.40.0030.0178.38
5.0.30.0030.0308.19
5.0.20.0030.0178.11
5.0.10.0030.0208.18
5.0.00.0030.0278.17
4.4.90.0030.0237.14
4.4.80.0030.0137.14
4.4.70.0000.0237.14
4.4.60.0000.0377.14
4.4.50.0000.0377.14
4.4.40.0000.0277.14
4.4.30.0030.0137.14
4.4.20.0000.0177.14
4.4.10.0030.0137.14
4.4.00.0000.0237.14
4.3.110.0030.0137.14
4.3.100.0030.0137.14
4.3.90.0000.0137.14
4.3.80.0000.0237.14
4.3.70.0000.0137.14
4.3.60.0000.0137.14
4.3.50.0000.0137.14
4.3.40.0030.0207.14
4.3.30.0000.0177.14
4.3.20.0000.0137.14
4.3.10.0000.0137.14
4.3.00.0000.0177.14

preferences:
42.35 ms | 400 KiB | 5 Q