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\'}: ' . $obj->{'123'},"\n"; if (isset($obj->{'123'})) { echo '123 is set',"\n";} if (property_exists($obj,'123')) echo 'property 123 exists',"\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: $obj = (object)array('123' => '456'); // '123' => 123 print_r($obj); echo $obj->{'123'},"\n"; // so "Undefined property: stdClass::$123" if (!property_exists($obj,'123')) echo 'property 123 does not exist',"\n";

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)
8.3.60.0150.00618.43
8.3.50.0100.01021.97
8.3.40.0150.00318.80
8.3.30.0110.00319.22
8.3.20.0050.00220.16
8.3.10.0060.00320.71
8.3.00.0030.00619.50
8.2.180.0110.00718.41
8.2.170.0100.00722.96
8.2.160.0140.00620.39
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0070.00026.16
8.2.120.0030.00522.31
8.2.110.0070.00322.25
8.2.100.0120.00018.16
8.2.90.0060.00319.38
8.2.80.0030.00517.97
8.2.70.0100.00317.63
8.2.60.0000.00817.93
8.2.50.0080.00018.07
8.2.40.0030.00620.07
8.2.30.0000.00818.08
8.2.20.0050.00317.84
8.2.10.0040.00418.27
8.2.00.0070.00317.84
8.1.280.0070.00725.92
8.1.270.0080.00023.96
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0090.00020.88
8.1.230.0000.01117.82
8.1.220.0000.00817.79
8.1.210.0000.00818.77
8.1.200.0060.00317.22
8.1.190.0000.00817.36
8.1.180.0080.00018.10
8.1.170.0100.00018.62
8.1.160.0070.00022.05
8.1.150.0000.00718.93
8.1.140.0070.00017.52
8.1.130.0070.00017.86
8.1.120.0040.00417.42
8.1.110.0000.00917.41
8.1.100.0050.00317.53
8.1.90.0070.00017.49
8.1.80.0050.00217.46
8.1.70.0060.00317.36
8.1.60.0060.00317.51
8.1.50.0000.00817.60
8.1.40.0000.00817.41
8.1.30.0000.00817.54
8.1.20.0030.00617.70
8.1.10.0000.00817.48
8.1.00.0040.00417.54
8.0.300.0060.00318.77
8.0.290.0040.00416.75
8.0.280.0000.00818.48
8.0.270.0070.00017.30
8.0.260.0000.00617.28
8.0.250.0030.00317.10
8.0.240.0000.00716.95
8.0.230.0030.00316.93
8.0.220.0040.00416.98
8.0.210.0050.00216.97
8.0.200.0050.00216.91
8.0.190.0040.00417.07
8.0.180.0030.00316.91
8.0.170.0060.00316.91
8.0.160.0000.00716.87
8.0.150.0040.00416.89
8.0.140.0000.00716.97
8.0.130.0030.00313.46
8.0.120.0030.00516.86
8.0.110.0040.00416.94
8.0.100.0040.00417.02
8.0.90.0070.00017.07
8.0.80.0030.01216.93
8.0.70.0040.00416.79
8.0.60.0040.00416.89
8.0.50.0040.00417.02
8.0.30.0140.00517.24
8.0.20.0100.00917.43
8.0.10.0040.00417.07
8.0.00.0070.01217.09
7.4.330.0050.00015.00
7.4.320.0060.00016.44
7.4.300.0030.00316.64
7.4.290.0020.00516.64
7.4.280.0070.00416.63
7.4.270.0070.00016.61
7.4.260.0040.00416.54
7.4.250.0030.00516.54
7.4.240.0040.00416.51
7.4.230.0030.00316.64
7.4.220.0120.00616.58
7.4.210.0000.01316.60
7.4.200.0000.00716.45
7.4.160.0070.01116.54
7.4.150.0160.00417.40
7.4.140.0140.00317.86
7.4.130.0110.00816.53
7.4.120.0090.01016.55
7.4.110.0090.00616.61
7.4.100.0110.00816.40
7.4.90.0170.00316.51
7.4.80.0090.01319.39
7.4.70.0110.00716.68
7.4.60.0130.00316.48
7.4.50.0040.00016.45
7.4.40.0090.00916.61
7.4.30.0090.00916.53
7.4.00.0090.00614.93
7.3.330.0030.00313.27
7.3.320.0000.00513.27
7.3.310.0040.00416.18
7.3.300.0060.00016.34
7.3.290.0000.01716.37
7.3.280.0130.00516.37
7.3.270.0090.00917.40
7.3.260.0130.00316.30
7.3.250.0100.01016.49
7.3.240.0100.00816.61
7.3.230.0090.00916.39
7.3.210.0060.01216.34
7.3.200.0060.01319.39
7.3.190.0100.00716.40
7.3.180.0090.01316.36
7.3.170.0100.00716.43
7.3.160.0100.00716.43
7.3.10.0040.01116.85
7.3.00.0140.00016.53
7.2.330.0140.00316.66
7.2.320.0030.01316.44
7.2.310.0200.01316.43
7.2.300.0090.00916.53
7.2.290.0100.00716.81
7.2.130.0030.01016.81
7.2.120.0030.00616.94
7.2.110.0160.00016.89
7.2.100.0060.00917.07
7.2.90.0080.00316.99
7.2.80.0070.00716.92
7.2.70.0050.00516.84
7.2.60.0130.00416.64
7.2.50.0100.00316.98
7.2.40.0000.01417.12
7.2.30.0040.01216.93
7.2.20.0090.00617.01
7.2.10.0070.00317.07
7.2.00.0020.01418.12
7.1.250.0060.00615.83
7.1.200.0000.01315.87
7.1.70.0000.01017.09
7.1.60.0040.00717.14
7.1.50.0070.01416.92
7.1.00.0030.07722.30
7.0.200.0060.01016.82
7.0.140.0000.07322.01
7.0.70.5000.04019.87
7.0.60.0030.04019.91
7.0.50.0030.04317.88
7.0.40.0130.08320.20
7.0.30.0270.06020.20
7.0.20.0370.07720.23
7.0.10.0130.04320.10
7.0.00.0130.07720.23
5.6.280.0030.07721.11
5.6.210.0130.07320.57
5.6.200.0100.08318.28
5.6.190.0070.07320.47
5.6.180.0070.07020.52
5.6.170.0270.08020.45
5.6.160.0100.04720.61
5.6.150.0130.03318.15
5.6.140.0000.04318.28
5.6.130.0070.06318.18
5.6.120.0100.04321.14
5.6.110.0070.03721.05
5.6.100.0070.08721.00
5.6.90.0200.06721.10
5.6.80.0000.09020.41
5.6.70.0130.07720.40
5.5.350.0130.07320.47
5.5.340.0130.07717.97
5.5.330.0070.05020.42
5.5.320.0100.07720.20
5.5.310.0170.06020.26
5.5.300.0100.07317.98
5.5.290.0030.08317.98
5.5.280.0070.08320.88
5.5.270.0200.05320.93
5.5.260.0030.08020.76
5.5.250.0000.04320.58
5.5.240.0030.05720.19
5.4.450.0300.04719.39
5.4.440.0230.04019.30
5.4.430.0470.06319.54
5.4.420.0670.00019.38
5.4.410.0630.00019.35
5.4.400.0630.00019.25
5.4.390.0630.00018.98
5.4.380.0630.00019.07
5.4.370.0630.00019.02
5.4.360.0600.00019.02
5.4.350.0630.00019.08
5.4.340.0630.00019.13
5.4.320.0050.03812.49
5.4.310.0120.03212.49
5.4.300.0070.03612.49
5.4.290.0070.03712.49
5.4.280.0050.03712.39
5.4.270.0050.03712.39
5.4.260.0090.03412.38
5.4.250.0050.03912.38
5.4.240.0050.03812.38
5.4.230.0060.03912.38
5.4.220.0050.04312.38
5.4.210.0060.03912.38
5.4.200.0110.04112.38
5.4.190.0060.04112.37
5.4.180.0070.03612.37
5.4.170.0100.03212.38
5.4.160.0080.03512.38
5.4.150.0120.03312.38
5.4.140.0100.04112.06
5.4.130.0070.03412.05
5.4.120.0120.02912.00
5.4.110.0100.03212.00
5.4.100.0070.03412.00
5.4.90.0070.03612.00
5.4.80.0070.03712.00
5.4.70.0080.03512.00
5.4.60.0060.03412.00
5.4.50.0060.03412.00
5.4.40.0050.03611.98
5.4.30.0050.03611.99
5.4.20.0030.03811.99
5.4.10.0100.03411.98
5.4.00.0080.03411.48
5.3.290.0080.03712.80
5.3.280.0060.03912.71
5.3.270.0090.04012.73
5.3.260.0110.03512.72
5.3.250.0100.04012.72
5.3.240.0080.03612.72
5.3.230.0080.03612.71
5.3.220.0080.03512.68
5.3.210.0030.04212.68
5.3.200.0090.03312.68
5.3.190.0060.03812.68
5.3.180.0050.03812.67
5.3.170.0060.03812.67
5.3.160.0100.03112.68
5.3.150.0060.04112.68
5.3.140.0070.03612.66
5.3.130.0090.03612.66
5.3.120.0040.04412.66
5.3.110.0080.03712.66
5.3.100.0070.03612.12
5.3.90.0030.03912.10
5.3.80.0040.03812.09
5.3.70.0080.03512.09
5.3.60.0090.03312.07
5.3.50.0060.03612.03
5.3.40.0090.03312.03
5.3.30.0050.03611.98
5.3.20.0060.03511.77
5.3.10.0060.03511.73
5.3.00.0050.03811.71
5.2.170.0050.0319.21
5.2.160.0070.0289.22
5.2.150.0120.0249.22
5.2.140.0040.0339.22
5.2.130.0050.0299.18
5.2.120.0040.0309.18
5.2.110.0060.0309.19
5.2.100.0050.0339.17
5.2.90.0060.0289.18
5.2.80.0040.0409.17
5.2.70.0060.0289.17
5.2.60.0090.0359.13
5.2.50.0030.0349.10
5.2.40.0030.0369.07
5.2.30.0070.0279.04
5.2.20.0040.0309.04
5.2.10.0060.0278.95
5.2.00.0100.0288.81
5.1.60.0030.0298.08
5.1.50.0060.0268.07
5.1.40.0060.0268.05
5.1.30.0040.0308.40
5.1.20.0050.0288.43
5.1.10.0030.0278.15
5.1.00.0040.0268.15
5.0.50.0060.0186.64
5.0.40.0030.0236.50
5.0.30.0030.0326.30
5.0.20.0070.0216.28
5.0.10.0040.0196.26
5.0.00.0050.0356.25
4.4.90.0040.0164.78
4.4.80.0010.0214.75
4.4.70.0060.0164.76
4.4.60.0040.0164.75
4.4.50.0030.0174.77
4.4.40.0020.0254.71
4.4.30.0050.0194.76
4.4.20.0030.0154.85
4.4.10.0030.0154.85
4.4.00.0030.0244.76
4.3.110.0050.0224.67
4.3.100.0020.0224.66
4.3.90.0040.0144.64
4.3.80.0050.0224.58
4.3.70.0030.0144.63
4.3.60.0000.0184.63
4.3.50.0040.0144.63
4.3.40.0030.0244.53
4.3.30.0020.0163.30
4.3.20.0040.0143.28
4.3.10.0030.0143.23
4.3.00.0070.01313.60

preferences:
45.52 ms | 401 KiB | 5 Q