3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj = new stdClass; $obj->{'123'} = '456'; // defined property but unusable as obj->property; see below. print_r($obj); echo 'Via {\'123\'}: ' . $obj->{'123'},"\n"; // echo $obj->123; // Parse error: ...unexpected '123' (T_LNUMBER), expecting identifier (T_STRING) or variable (T_VARIABLE) or '{' or '$' $obj->{'a123'} = $obj->{'123'}; print_r($obj); echo 'Via Property a123: ' . $obj->a123,"\n"; // making a hash out of property a $obj->a["123"] = $obj->{'123'}; $obj->a["a123"] = $obj->{'a123'}; var_dump($obj); echo 'Via Property "a" and hashkey "123": ' . $obj->a["123"],"\n"; // contrast: $obj = (object)array('123' => '456'); // property 123 is invalid print_r($obj); echo $obj->{'123'},"\n"; // so "Undefined property: stdClass::$123"

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)
8.3.60.0070.00718.31
8.3.50.0120.00618.18
8.3.40.0100.00718.79
8.3.30.0090.00619.27
8.3.20.0090.00020.35
8.3.10.0040.00420.65
8.3.00.0030.00519.51
8.2.180.0070.01118.43
8.2.170.0110.00422.96
8.2.160.0140.00720.39
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00422.25
8.2.110.0060.00319.25
8.2.100.0120.00018.03
8.2.90.0040.00419.34
8.2.80.0040.00417.97
8.2.70.0060.00317.63
8.2.60.0030.00518.05
8.2.50.0000.00818.28
8.2.40.0000.00920.50
8.2.30.0070.00019.41
8.2.20.0040.00417.68
8.2.10.0000.00718.12
8.2.00.0030.00617.80
8.1.280.0090.00625.92
8.1.270.0040.00421.89
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0110.00020.95
8.1.230.0070.00417.83
8.1.220.0060.00317.74
8.1.210.0030.00618.77
8.1.200.0040.00417.47
8.1.190.0000.00817.35
8.1.180.0040.00418.10
8.1.170.0030.00518.25
8.1.160.0000.00718.70
8.1.150.0000.00718.74
8.1.140.0060.00317.45
8.1.130.0070.00017.87
8.1.120.0000.00717.45
8.1.110.0040.00417.42
8.1.100.0040.00417.23
8.1.90.0000.00717.47
8.1.80.0040.00317.27
8.1.70.0000.00717.34
8.1.60.0030.00617.41
8.1.50.0040.00417.52
8.1.40.0040.00417.41
8.1.30.0040.00417.53
8.1.20.0040.00417.49
8.1.10.0030.00517.52
8.1.00.0080.00017.47
8.0.300.0040.00418.77
8.0.290.0000.00716.88
8.0.280.0030.00318.34
8.0.270.0050.00217.25
8.0.260.0000.00617.16
8.0.250.0030.00317.04
8.0.240.0070.00017.01
8.0.230.0000.00716.92
8.0.220.0040.00417.00
8.0.210.0030.00616.93
8.0.200.0070.00017.02
8.0.190.0040.00416.89
8.0.180.0000.00716.99
8.0.170.0030.00617.01
8.0.160.0000.00717.00
8.0.150.0000.00816.84
8.0.140.0000.00716.76
8.0.130.0030.00313.39
8.0.120.0030.00516.86
8.0.110.0050.00216.86
8.0.100.0040.00416.87
8.0.90.0000.00716.91
8.0.80.0060.01316.89
8.0.70.0040.00416.85
8.0.60.0000.00716.75
8.0.50.0000.00716.92
8.0.30.0110.01117.01
8.0.20.0100.00917.40
8.0.10.0000.00716.86
8.0.00.0080.01016.80
7.4.330.0060.00015.03
7.4.320.0030.00316.55
7.4.300.0030.00316.47
7.4.290.0070.00016.47
7.4.280.0030.00916.52
7.4.270.0000.00816.44
7.4.260.0000.00816.40
7.4.250.0040.00416.40
7.4.240.0000.00716.43
7.4.230.0030.00316.42
7.4.220.0070.01016.53
7.4.210.0030.01016.54
7.4.200.0040.00416.33
7.4.160.0030.01316.57
7.4.150.0210.00617.40
7.4.140.0080.00817.86
7.4.130.0140.00616.54
7.4.120.0120.00516.54
7.4.110.0080.00816.29
7.4.100.0150.00316.49
7.4.90.0030.01316.49
7.4.80.0110.00719.39
7.4.70.0120.01216.58
7.4.60.0090.00616.39
7.4.50.0000.00616.48
7.4.40.0090.00916.50
7.4.30.0080.00816.48
7.4.00.0110.00315.03
7.3.330.0060.00013.09
7.3.320.0020.00213.14
7.3.310.0000.00716.25
7.3.300.0030.00316.32
7.3.290.0030.01316.38
7.3.280.0040.00716.30
7.3.270.0130.01317.40
7.3.260.0070.01116.30
7.3.250.0090.00916.24
7.3.240.0000.02216.46
7.3.230.0080.00816.47
7.3.210.0040.01516.43
7.3.200.0110.00719.39
7.3.190.0080.01216.37
7.3.180.0160.00016.25
7.3.170.0030.01316.59
7.3.160.0030.01216.37
7.3.10.0030.00916.48
7.3.00.0100.00716.40
7.2.330.0110.00816.48
7.2.320.0070.01016.81
7.2.310.0140.00316.80
7.2.300.0100.01316.59
7.2.290.0090.00816.59
7.2.130.0140.00716.61
7.2.120.0000.01416.85
7.2.110.0160.01016.87
7.2.100.0080.01117.04
7.2.90.0160.00316.79
7.2.80.0080.00616.63
7.2.70.0190.00716.94
7.2.60.0080.00616.84
7.2.50.0000.01416.75
7.2.40.0090.00616.88
7.2.30.0070.00616.68
7.2.20.0000.01616.77
7.2.10.0120.00316.77
7.2.00.0080.00918.18
7.1.250.0100.00315.65
7.1.200.0030.00915.83
7.1.100.0000.01118.03
7.1.70.0040.00417.25
7.1.60.0130.01319.32
7.1.50.0100.01316.81
7.1.00.0030.07022.40
7.0.200.0050.00316.73
7.0.140.0000.07722.10
7.0.60.0030.07320.01
7.0.50.0070.04017.87
7.0.40.0100.03720.24
7.0.30.0130.04320.36
7.0.20.0270.07020.08
7.0.10.0070.06020.30
7.0.00.0070.05020.08
5.6.280.0100.07021.04
5.6.210.0130.06320.74
5.6.200.0100.04718.16
5.6.190.0130.05720.64
5.6.180.0470.04320.64
5.6.170.0470.07020.47
5.6.160.0000.09320.54
5.6.150.0070.04318.18
5.6.140.0100.05718.14
5.6.130.0170.06018.26
5.6.120.0070.04721.09
5.6.110.0130.07320.96
5.6.100.0130.03021.00
5.6.90.0100.06021.01
5.6.80.0100.05720.39
5.5.350.0170.08020.35
5.5.340.0030.08317.95
5.5.330.0130.08020.47
5.5.320.0430.06020.23
5.5.310.0270.08020.35
5.5.300.0070.03718.01
5.5.290.0070.08017.96
5.5.280.0170.07320.94
5.5.270.0070.05720.88
5.5.260.0130.08020.79
5.5.250.0100.08020.76
5.5.240.0230.08020.15
5.4.450.0170.04319.32
5.4.440.0930.04019.64
5.4.430.0230.05019.27
5.4.420.0700.00019.36
5.4.410.0630.00019.42
5.4.400.0630.00019.21
5.4.390.0630.00019.11
5.4.380.0630.00018.98
5.4.370.0630.00019.15
5.4.360.0600.00019.13
5.4.350.0700.00019.03
5.4.340.0670.00019.26
5.4.320.0050.03812.48
5.4.310.0090.03512.48
5.4.300.0060.03712.48
5.4.290.0070.03712.48
5.4.280.0050.03612.38
5.4.270.0050.03812.38
5.4.260.0070.03612.38
5.4.250.0070.04212.38
5.4.240.0040.03712.38
5.4.230.0090.04112.37
5.4.220.0050.03712.37
5.4.210.0100.03112.37
5.4.200.0040.04612.37
5.4.190.0110.03612.36
5.4.180.0110.04212.36
5.4.170.0060.04212.38
5.4.160.0100.03112.37
5.4.150.0070.03612.37
5.4.140.0060.03712.05
5.4.130.0070.03512.04
5.4.120.0070.03412.00
5.4.110.0090.03612.00
5.4.100.0120.02812.00
5.4.90.0060.03612.00
5.4.80.0040.03811.99
5.4.70.0050.03511.99
5.4.60.0110.03011.99
5.4.50.0120.02911.99
5.4.40.0080.03211.98
5.4.30.0080.03411.98
5.4.20.0140.03711.98
5.4.10.0070.03711.98
5.4.00.0050.03811.47
5.3.290.0090.03712.80
5.3.280.0040.04112.70
5.3.270.0060.03912.72
5.3.260.0050.04112.72
5.3.250.0060.03712.72
5.3.240.0040.03812.72
5.3.230.0050.03812.71
5.3.220.0060.03712.68
5.3.210.0080.03612.68
5.3.200.0020.04012.68
5.3.190.0060.03712.68
5.3.180.0060.03712.68
5.3.170.0090.03312.67
5.3.160.0070.03612.67
5.3.150.0060.03612.68
5.3.140.0040.03812.66
5.3.130.0040.04112.66
5.3.120.0040.04012.66
5.3.110.0050.03912.65
5.3.100.0050.03812.12
5.3.90.0040.03712.09
5.3.80.0090.03312.08
5.3.70.0030.03912.08
5.3.60.0030.03912.07
5.3.50.0050.03712.01
5.3.40.0070.03812.02
5.3.30.0050.03611.97
5.3.20.0100.03611.75
5.3.10.0070.04711.72
5.3.00.0080.03911.70
5.2.170.0060.0309.21
5.2.160.0060.0289.21
5.2.150.0030.0339.21
5.2.140.0050.0319.21
5.2.130.0020.0319.16
5.2.120.0020.0319.17
5.2.110.0030.0319.16
5.2.100.0030.0319.17
5.2.90.0050.0299.16
5.2.80.0050.0309.16
5.2.70.0050.0299.16
5.2.60.0040.0319.11
5.2.50.0050.0299.09
5.2.40.0020.0319.06
5.2.30.0080.0269.04
5.2.20.0050.0289.03
5.2.10.0050.0288.93
5.2.00.0040.0298.79
5.1.60.0060.0218.07
5.1.50.0050.0238.06
5.1.40.0020.0268.04
5.1.30.0030.0278.39
5.1.20.0070.0248.41
5.1.10.0040.0268.14
5.1.00.0050.0258.14
5.0.50.0070.0176.62
5.0.40.0030.0206.49
5.0.30.0040.0316.30
5.0.20.0030.0206.27
5.0.10.0040.0216.25
5.0.00.0040.0316.25
4.4.90.0020.0154.78
4.4.80.0030.0144.75
4.4.70.0050.0134.75
4.4.60.0020.0164.75
4.4.50.0020.0154.77
4.4.40.0030.0244.71
4.4.30.0010.0174.76
4.4.20.0030.0154.84
4.4.10.0030.0154.85
4.4.00.0010.0274.75
4.3.110.0020.0164.67
4.3.100.0020.0154.66
4.3.90.0060.0124.63
4.3.80.0030.0244.59
4.3.70.0070.0164.63
4.3.60.0030.0144.62
4.3.50.0050.0134.63
4.3.40.0010.0294.54
4.3.30.0020.0223.28
4.3.20.0010.0173.26
4.3.10.0030.0153.21
4.3.00.0130.01713.34

preferences:
53.36 ms | 400 KiB | 5 Q