3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj = (object)array('123' => '456'); $obj->a = 1; print_r($obj); echo $obj->{'123'},"\n"; echo $obj->{123},"\n"; if (isset($obj->a)) { echo 'a is set';} if (isset($obj->{'123'})) { echo '123 is set';}

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)
8.3.60.0060.00918.20
8.3.50.0100.01018.32
8.3.40.0140.00318.87
8.3.30.0100.01019.21
8.3.20.0070.00020.33
8.3.10.0000.00820.58
8.3.00.0000.00819.38
8.2.180.0100.00718.41
8.2.170.0120.00322.96
8.2.160.0070.00720.39
8.2.150.0020.00524.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0070.00022.24
8.2.110.0050.00320.52
8.2.100.0080.00418.03
8.2.90.0050.00319.22
8.2.80.0060.00317.97
8.2.70.0060.00317.63
8.2.60.0040.00417.93
8.2.50.0050.00318.07
8.2.40.0080.00019.76
8.2.30.0070.00018.11
8.2.20.0040.00417.67
8.2.10.0000.00718.04
8.2.00.0040.00417.74
8.1.280.0110.00325.92
8.1.270.0040.00424.01
8.1.260.0050.00226.35
8.1.250.0050.00328.09
8.1.240.0030.00623.84
8.1.230.0080.00319.09
8.1.220.0000.00817.74
8.1.210.0060.00318.77
8.1.200.0000.00917.35
8.1.190.0000.00817.10
8.1.180.0040.00418.10
8.1.170.0040.00418.57
8.1.160.0040.00421.98
8.1.150.0000.00718.83
8.1.140.0000.00717.49
8.1.130.0030.00317.82
8.1.120.0040.00417.34
8.1.110.0040.00417.36
8.1.100.0050.00217.41
8.1.90.0000.00717.41
8.1.80.0040.00417.38
8.1.70.0030.00317.32
8.1.60.0030.00517.48
8.1.50.0090.00017.46
8.1.40.0040.00417.43
8.1.30.0030.00517.46
8.1.20.0040.00417.57
8.1.10.0000.00817.44
8.1.00.0000.00717.49
8.0.300.0080.00018.77
8.0.290.0060.00316.75
8.0.280.0070.00018.44
8.0.270.0040.00417.24
8.0.260.0000.00617.30
8.0.250.0000.00716.93
8.0.240.0030.00316.89
8.0.230.0030.00316.93
8.0.220.0000.00716.82
8.0.210.0040.00416.88
8.0.200.0000.00716.83
8.0.190.0000.00816.86
8.0.180.0070.00016.90
8.0.170.0060.00316.88
8.0.160.0000.00716.87
8.0.150.0070.00016.81
8.0.140.0040.00416.88
8.0.130.0060.00013.25
8.0.120.0070.00016.83
8.0.110.0000.00816.71
8.0.100.0030.00516.90
8.0.90.0070.00016.79
8.0.80.0090.00616.95
8.0.70.0050.00316.87
8.0.60.0040.00316.77
8.0.50.0000.00716.74
8.0.30.0140.00716.83
8.0.20.0100.00917.40
8.0.10.0040.00417.00
8.0.00.0080.00916.83
7.4.330.0060.00015.07
7.4.320.0000.00716.35
7.4.300.0040.00416.54
7.4.290.0030.00316.54
7.4.280.0070.00316.51
7.4.270.0030.00316.43
7.4.260.0030.00316.33
7.4.250.0070.00016.32
7.4.240.0000.00716.44
7.4.230.0030.00316.53
7.4.220.0120.00616.61
7.4.210.0060.00916.50
7.4.200.0040.00316.27
7.4.160.0160.00816.45
7.4.150.0130.00717.40
7.4.140.0100.00717.86
7.4.130.0050.01516.60
7.4.120.0090.00916.39
7.4.110.0130.00316.43
7.4.100.0120.00616.30
7.4.90.0140.00316.35
7.4.80.0140.00719.39
7.4.70.0090.01216.29
7.4.60.0030.01416.33
7.4.50.0000.00916.38
7.4.40.0070.01016.41
7.4.30.0070.01016.54
7.4.00.0030.01314.97
7.3.330.0000.00613.20
7.3.320.0000.00513.11
7.3.310.0040.00416.24
7.3.300.0000.00716.17
7.3.290.0080.00516.32
7.3.280.0100.00816.25
7.3.270.0120.00817.40
7.3.260.0160.00316.30
7.3.250.0060.01216.28
7.3.240.0160.00316.43
7.3.230.0030.02016.39
7.3.210.0190.00316.50
7.3.200.0150.00319.39
7.3.190.0060.01116.56
7.3.180.0180.00616.29
7.3.170.0060.01116.41
7.3.160.0040.01116.19
7.2.330.0090.00916.52
7.2.320.0080.00816.66
7.2.310.0130.00716.63
7.2.300.0060.00916.50
7.2.290.0030.01416.62
7.2.60.0100.00316.73
7.2.00.0080.01419.36
7.1.200.0040.00415.85
7.1.100.0090.00318.23
7.1.70.0080.00417.20
7.1.60.0060.01519.32
7.1.50.0190.00316.88
7.1.00.0100.07022.36
7.0.200.0030.00616.73
7.0.140.0030.07321.95
7.0.60.0070.08020.09
7.0.50.0100.05017.81
7.0.40.0100.07719.98
7.0.30.0270.06720.13
7.0.20.0330.06320.01
7.0.10.0000.08020.23
7.0.00.0170.08020.09
5.6.280.0070.07020.77
5.6.210.0030.07320.61
5.6.200.0070.07318.18
5.6.190.0000.05020.63
5.6.180.0270.04020.55
5.6.170.0370.08020.56
5.6.160.0130.07320.50
5.6.150.0070.08018.20
5.6.140.0070.08318.28
5.6.130.0000.04718.27
5.6.120.0070.07720.86
5.6.110.0100.08320.91
5.6.100.0070.07721.13
5.6.90.0130.07720.94
5.6.80.0070.08020.39
5.5.350.0170.08320.40
5.5.340.0200.06318.09
5.5.330.0200.07320.42
5.5.320.0300.06020.30
5.5.310.0300.07320.34
5.5.300.0070.08318.08
5.5.290.0030.05718.05
5.5.280.0100.07320.68
5.5.270.0000.05320.77
5.5.260.0130.08320.82
5.5.250.0030.08320.58
5.5.240.0300.06320.18
5.4.450.3570.04019.55
5.4.440.3900.03719.54
5.4.430.3730.03319.30
5.4.420.3600.03719.41
5.4.410.3900.03719.07
5.4.400.4030.03019.16
5.4.390.3670.04019.15
5.4.380.4000.04019.21
5.4.370.4070.04718.95
5.4.360.4170.03718.85
5.4.350.3600.03719.21
5.4.340.4100.04019.20
5.4.320.3630.03318.94
5.4.310.3530.02718.98
5.4.300.3030.03719.13
5.4.290.3670.03718.86
5.4.280.3670.03319.15
5.4.270.2030.04019.23
5.4.260.3000.03719.07
5.4.250.3800.03718.94
5.4.240.3600.04719.15
5.4.230.3400.03719.19
5.4.220.3970.03319.14
5.4.210.3570.04019.15
5.4.200.3700.03718.84
5.4.190.3670.03719.15
5.4.180.3570.03719.21
5.4.170.3930.03319.05
5.4.160.3800.03319.29
5.4.150.3600.04018.92
5.4.140.3770.04316.35
5.4.130.3730.03716.33
5.4.120.3870.03716.38
5.4.110.3800.04016.49
5.4.100.3800.03716.40
5.4.90.3830.03316.42
5.4.80.3570.03316.24
5.4.70.3530.04016.54
5.4.60.3870.03716.45
5.4.50.3570.04016.52
5.4.40.3970.03716.52
5.4.30.3700.03316.53
5.4.20.3600.03316.48
5.4.10.3600.03716.51
5.4.00.3600.03715.75
5.3.290.2600.03714.64
5.3.280.3830.03314.51
5.3.270.3600.04014.51
5.3.260.2800.05014.51
5.3.250.2970.03014.57
5.3.240.3570.03014.50
5.3.230.3830.03714.75
5.3.220.4200.03714.55
5.3.210.4130.03714.48
5.3.200.3900.04714.56
5.3.190.3870.03714.53
5.3.180.4000.04014.63
5.3.170.3800.04014.63
5.3.160.3570.03314.47
5.3.150.2700.04014.45
5.3.140.3830.03714.66
5.3.130.3730.04014.46
5.3.120.3430.03714.46
5.3.110.3830.04014.57
5.3.100.3700.03713.95
5.3.90.3730.03714.04
5.3.80.3500.04013.92
5.3.70.3900.02714.09
5.3.60.3870.03314.01
5.3.50.3930.03713.85
5.3.40.3570.03314.16
5.3.30.4470.03313.95
5.3.20.4270.03013.90
5.3.10.3870.03313.73
5.3.00.4030.03013.71
5.2.170.3000.02712.24
5.2.160.3000.03012.24
5.2.150.2900.03312.24
5.2.140.3470.02712.24
5.2.130.3830.03012.24
5.2.120.3830.02312.24
5.2.110.3270.02712.24
5.2.100.3530.03312.24
5.2.90.3370.02312.24
5.2.80.2970.03012.24
5.2.70.3000.03312.24
5.2.60.3200.02712.24
5.2.50.3230.03012.24
5.2.40.2800.02712.24
5.2.30.2670.03012.24
5.2.20.3130.03712.24
5.2.10.2500.03012.24
5.2.00.2530.03012.24
5.1.60.2370.02712.24
5.1.50.2900.02712.24
5.1.40.3130.02312.24
5.1.30.2900.02712.24
5.1.20.3130.03012.24
5.1.10.2900.02012.24
5.1.00.3070.02712.24
5.0.50.1530.02012.24
5.0.40.1700.01312.24
5.0.30.1500.02712.24
5.0.20.1500.02012.24
5.0.10.1370.01712.24
5.0.00.1200.03012.24
4.4.90.1200.02312.24
4.4.80.1370.01712.24
4.4.70.1530.01712.24
4.4.60.1430.01312.24
4.4.50.0830.02012.24
4.4.40.1200.02312.24
4.4.30.1670.02012.24
4.4.20.1470.01712.24
4.4.10.1530.01712.24
4.4.00.1670.02312.24
4.3.110.1530.01312.24
4.3.100.1730.01312.24
4.3.90.1470.01312.24
4.3.80.1470.03012.24
4.3.70.1470.02012.24
4.3.60.1200.01312.24
4.3.50.1200.01312.24
4.3.40.1330.03012.24
4.3.30.0670.01712.24
4.3.20.0570.01712.24
4.3.10.0770.02712.24
4.3.00.0570.01712.24

preferences:
52.02 ms | 400 KiB | 5 Q