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: $obj = (object)array('123' => '456'); // property 123 is invalid print_r($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)
8.3.60.0120.00918.56
8.3.50.0130.00822.10
8.3.40.0110.00718.63
8.3.30.0170.00319.23
8.3.20.0080.00020.35
8.3.10.0090.00020.53
8.3.00.0060.00319.50
8.2.180.0150.00316.50
8.2.170.0070.01122.96
8.2.160.0090.00620.52
8.2.150.0080.00024.18
8.2.140.0090.00024.66
8.2.130.0040.00426.16
8.2.120.0050.00319.95
8.2.110.0060.00320.51
8.2.100.0000.01118.22
8.2.90.0090.00019.21
8.2.80.0080.00017.97
8.2.70.0030.00617.75
8.2.60.0050.00318.05
8.2.50.0030.00618.07
8.2.40.0000.00819.94
8.2.30.0000.00718.25
8.2.20.0000.00717.78
8.2.10.0070.00018.05
8.2.00.0050.00317.74
8.1.280.0090.00925.92
8.1.270.0080.00023.96
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0000.00923.70
8.1.230.0070.00319.15
8.1.220.0080.00017.77
8.1.210.0060.00318.77
8.1.200.0060.00317.22
8.1.190.0060.00317.13
8.1.180.0040.00418.10
8.1.170.0050.00318.36
8.1.160.0040.00421.96
8.1.150.0040.00418.84
8.1.140.0080.00017.41
8.1.130.0000.00717.77
8.1.120.0040.00417.45
8.1.110.0000.00817.38
8.1.100.0000.00817.46
8.1.90.0000.00717.39
8.1.80.0030.00617.31
8.1.70.0040.00417.32
8.1.60.0000.00817.45
8.1.50.0040.00417.47
8.1.40.0020.00517.51
8.1.30.0040.00417.58
8.1.20.0040.00417.55
8.1.10.0040.00417.63
8.1.00.0030.00617.42
8.0.300.0070.00018.77
8.0.290.0000.00716.75
8.0.280.0050.00318.47
8.0.270.0030.00317.22
8.0.260.0030.00317.28
8.0.250.0000.00716.93
8.0.240.0030.00316.88
8.0.230.0000.00717.05
8.0.220.0000.00716.95
8.0.210.0070.00017.00
8.0.200.0030.00317.05
8.0.190.0000.00717.03
8.0.180.0040.00417.03
8.0.170.0090.00017.08
8.0.160.0000.00816.99
8.0.150.0000.00716.99
8.0.140.0000.00816.91
8.0.130.0000.00613.37
8.0.120.0050.00316.95
8.0.110.0070.00016.90
8.0.100.0000.00916.82
8.0.90.0070.00016.78
8.0.80.0090.00916.89
8.0.70.0040.00416.96
8.0.60.0040.00416.79
8.0.50.0040.00416.81
8.0.30.0100.01016.91
8.0.20.0100.00917.40
8.0.10.0000.00716.98
8.0.00.0120.00516.66
7.4.330.0000.00615.06
7.4.320.0030.00316.41
7.4.300.0030.00316.46
7.4.290.0070.00016.55
7.4.280.0100.00016.39
7.4.270.0040.00416.46
7.4.260.0030.00616.49
7.4.250.0000.00816.31
7.4.240.0030.00516.52
7.4.230.0030.00316.44
7.4.220.0070.01116.48
7.4.210.0000.01316.50
7.4.200.0050.00216.35
7.4.160.0160.00016.66
7.4.150.0110.00817.40
7.4.140.0100.01217.86
7.4.130.0110.00816.45
7.4.120.0050.01316.47
7.4.110.0080.00816.50
7.4.100.0110.01116.65
7.4.90.0030.01516.54
7.4.80.0080.00919.39
7.4.70.0110.00716.43
7.4.60.0160.00016.65
7.4.50.0060.00316.38
7.4.40.0120.00916.60
7.4.30.0120.00416.69
7.4.10.0040.01215.03
7.4.00.0070.01114.95
7.3.330.0000.00513.17
7.3.320.0000.00513.20
7.3.310.0040.00416.33
7.3.300.0000.00616.38
7.3.290.0040.01116.37
7.3.280.0060.01116.35
7.3.270.0120.00617.40
7.3.260.0070.01116.21
7.3.250.0120.00716.39
7.3.240.0100.01316.39
7.3.230.0080.00816.39
7.3.210.0070.01016.38
7.3.200.0060.01319.39
7.3.190.0180.03116.38
7.3.180.0120.00616.45
7.3.170.0030.01416.38
7.3.160.0030.01616.32
7.3.130.0110.00614.73
7.3.120.0050.01214.88
7.3.110.0030.01514.70
7.3.100.0080.00814.81
7.3.90.0050.01114.79
7.3.80.0070.00514.74
7.3.70.0050.00914.82
7.3.60.0020.01114.67
7.3.50.0060.00614.86
7.3.40.0050.00614.60
7.3.30.0090.00614.69
7.3.20.0070.00716.54
7.3.10.0030.01016.68
7.3.00.0100.00516.61
7.2.330.0140.00416.43
7.2.320.0130.00316.73
7.2.310.0170.00616.81
7.2.300.0130.00316.37
7.2.290.0090.00916.88
7.2.260.0090.00915.21
7.2.250.0080.01015.12
7.2.240.0040.01215.21
7.2.230.0040.01115.03
7.2.220.0060.01215.13
7.2.210.0040.01115.10
7.2.200.0050.00815.15
7.2.190.0060.00814.95
7.2.180.0060.00614.97
7.2.170.0070.00915.01
7.2.160.0050.00514.99
7.2.150.0020.00916.84
7.2.140.0090.00316.89
7.2.130.0070.00817.03
7.2.120.0050.00516.87
7.2.110.0080.00616.97
7.2.100.0060.00816.94
7.2.90.0000.01616.99
7.2.80.0060.01116.69
7.2.70.0070.00516.81
7.2.60.0090.00916.88
7.2.50.0050.00816.92
7.2.40.0110.00416.78
7.2.30.0060.00617.02
7.2.20.0010.00917.14
7.2.10.0040.00916.74
7.2.00.0080.00817.04
7.1.330.0090.00615.70
7.1.320.0070.00915.73
7.1.310.0050.01015.73
7.1.300.0080.00715.71
7.1.290.0050.00715.72
7.1.280.0040.01015.54
7.1.270.0080.00615.63
7.1.260.0040.00915.66
7.1.250.0040.00915.51
7.1.240.0090.00315.72
7.1.230.0050.00815.52
7.1.220.0060.00915.73
7.1.210.0050.00515.82
7.1.200.0050.00915.76
7.1.190.0110.00415.62
7.1.180.0060.00915.78
7.1.170.0050.00615.75
7.1.160.0060.00515.77
7.1.150.0080.00615.77
7.1.140.0070.00815.74
7.1.130.0050.00715.70
7.1.120.0020.00815.80
7.1.110.0050.00715.79
7.1.100.0050.00816.53
7.1.90.0000.01115.78
7.1.80.0060.00915.67
7.1.70.0040.00716.05
7.1.60.0060.00916.99
7.1.50.0070.00916.08
7.1.40.0050.00915.68
7.1.30.0060.00615.63
7.1.20.0070.00815.68
7.1.10.0070.00315.68
7.1.00.0050.02717.94
7.0.330.0040.00715.61
7.0.320.0050.00915.22
7.0.310.0020.01015.27
7.0.300.0060.00615.33
7.0.290.0060.00815.43
7.0.280.0050.00915.38
7.0.270.0050.00815.29
7.0.260.0020.01315.39
7.0.250.0000.00915.30
7.0.240.0070.00715.50
7.0.230.0030.00715.50
7.0.220.0050.00515.45
7.0.210.0080.00415.49
7.0.200.0010.01015.80
7.0.190.0050.00715.31
7.0.180.0050.00715.42
7.0.170.0030.00815.27
7.0.160.0050.00815.58
7.0.150.0030.00815.26
7.0.140.0100.02317.63
7.0.130.0030.00615.21
7.0.120.0020.01015.49
7.0.110.0030.01115.37
7.0.100.0030.01015.41
7.0.90.0040.00615.38
7.0.80.0040.01215.44
7.0.70.0080.00615.34
7.0.60.0060.01916.86
7.0.50.0060.03016.42
7.0.40.0060.03015.72
7.0.30.0100.03015.70
7.0.20.0140.02115.69
7.0.10.0120.01615.71
7.0.00.0070.02815.61
5.6.400.0050.00914.51
5.6.390.0090.00214.45
5.6.380.0070.00914.56
5.6.370.0050.00914.32
5.6.360.0060.00514.45
5.6.350.0100.00314.45
5.6.340.0050.01014.65
5.6.330.0060.00714.57
5.6.320.0090.00414.47
5.6.310.0060.00514.29
5.6.300.0070.00514.68
5.6.290.0080.00314.58
5.6.280.0040.02716.85
5.6.270.0070.00614.58
5.6.260.0100.00514.51
5.6.250.0040.01214.57
5.6.240.0040.00914.59
5.6.230.0090.00214.38
5.6.220.0050.00914.42
5.6.210.0110.02216.68
5.6.200.0020.03615.54
5.6.190.0110.03216.40
5.6.180.0150.01716.48
5.6.170.0130.02916.35
5.6.160.0030.02616.66
5.6.150.0080.03115.57
5.6.140.0080.03015.89
5.6.130.0090.03215.71
5.6.120.0040.02516.76
5.6.110.0060.03416.55
5.6.100.0070.02916.65
5.6.90.0090.02616.81
5.6.80.0100.02616.43
5.6.70.0080.02816.39
5.6.60.0030.00914.45
5.6.50.0050.00614.61
5.6.40.0040.01014.30
5.6.30.0040.00814.38
5.6.20.0070.01014.57
5.6.10.0100.00414.35
5.6.00.0030.00714.26
5.5.380.0030.00814.54
5.5.370.0060.00614.37
5.5.360.0030.01014.24
5.5.350.0090.02916.39
5.5.340.0040.03315.68
5.5.330.0080.02416.50
5.5.320.0140.01816.23
5.5.310.0150.02916.40
5.5.300.0040.03415.65
5.5.290.0040.02415.58
5.5.280.0080.03116.59
5.5.270.0040.02116.51
5.5.260.0050.02516.41
5.5.250.0080.03216.44
5.5.240.0170.01516.14
5.5.230.0080.00414.45
5.5.220.0050.01014.25
5.5.210.0050.00814.42
5.5.200.0080.00714.57
5.5.190.0090.00614.46
5.5.180.0080.00614.32
5.5.170.0050.00914.21
5.5.160.0030.01014.19
5.5.150.0030.01014.32
5.5.140.0080.00614.24
5.5.130.0080.01014.52
5.5.120.0070.00714.55
5.5.110.0020.00814.39
5.5.100.0080.00614.35
5.5.90.0020.01214.41
5.5.80.0100.00514.60
5.5.70.0070.00714.39
5.5.60.0030.01214.28
5.5.50.0040.01014.43
5.5.40.0050.00714.34
5.5.30.0050.00814.29
5.5.20.0020.00914.40
5.5.10.0030.00714.60
5.5.00.0060.00714.23
5.4.450.0420.01814.12
5.4.440.0350.01913.97
5.4.430.0340.01914.00
5.4.420.0250.00314.00
5.4.410.0260.00214.06
5.4.400.0210.00313.88
5.4.390.0220.00513.76
5.4.380.0220.00413.74
5.4.370.0250.00213.79
5.4.360.0250.00013.66
5.4.350.0270.00413.88
5.4.340.0250.00413.92
5.4.330.0050.00411.16
5.4.320.0060.01711.60
5.4.310.0050.01711.63
5.4.300.0050.02011.55
5.4.290.0060.01811.71
5.4.280.0040.01611.66
5.4.270.0070.01211.53
5.4.260.0040.01711.55
5.4.250.0060.01711.50
5.4.240.0070.01511.63
5.4.230.0030.01711.58
5.4.220.0040.01511.65
5.4.210.0050.01511.68
5.4.200.0050.01611.56
5.4.190.0030.02011.64
5.4.180.0020.01711.63
5.4.170.0050.01711.54
5.4.160.0080.01311.61
5.4.150.0070.01411.52
5.4.140.0050.01611.56
5.4.130.0060.01411.48
5.4.120.0020.01711.52
5.4.110.0060.01311.50
5.4.100.0060.01511.55
5.4.90.0050.01711.55
5.4.80.0080.01411.48
5.4.70.0040.01611.56
5.4.60.0050.01411.39
5.4.50.0050.01511.38
5.4.40.0030.01811.56
5.4.30.0060.01511.46
5.4.20.0030.01711.50
5.4.10.0070.01411.44
5.4.00.0020.01711.42
5.3.290.0080.04312.80
5.3.280.0100.03612.71
5.3.270.0050.04012.72
5.3.260.0040.04112.72
5.3.250.0040.03912.72
5.3.240.0050.03812.72
5.3.230.0020.04012.70
5.3.220.0050.03712.68
5.3.210.0070.03712.68
5.3.200.0080.03312.68
5.3.190.0060.04012.68
5.3.180.0090.04212.67
5.3.170.0050.03712.67
5.3.160.0090.03312.68
5.3.150.0070.03612.67
5.3.140.0100.03212.66
5.3.130.0100.03512.66
5.3.120.0040.04112.65
5.3.110.0040.04012.66
5.3.100.0050.03712.12
5.3.90.0060.03512.09
5.3.80.0050.03612.08
5.3.70.0070.03512.08
5.3.60.0070.04012.06
5.3.50.0090.03512.02
5.3.40.0080.04312.01
5.3.30.0090.03711.98
5.3.20.0070.03411.75
5.3.10.0050.03411.72
5.3.00.0060.03511.71
5.2.170.0050.0329.21
5.2.160.0050.0359.21
5.2.150.0080.0279.21
5.2.140.0040.0319.21
5.2.130.0070.0279.16
5.2.120.0050.0289.17
5.2.110.0030.0309.18
5.2.100.0060.0339.17
5.2.90.0050.0299.17
5.2.80.0040.0319.17
5.2.70.0060.0349.17
5.2.60.0070.0289.11
5.2.50.0060.0299.08
5.2.40.0070.0279.06
5.2.30.0040.0309.04
5.2.20.0050.0289.03
5.2.10.0060.0318.93
5.2.00.0010.0328.80
5.1.60.0030.0248.07
5.1.50.0070.0288.06
5.1.40.0050.0258.05
5.1.30.0050.0308.39
5.1.20.0040.0278.42
5.1.10.0040.0278.14
5.1.00.0040.0258.15
5.0.50.0020.0216.63
5.0.40.0020.0216.50
5.0.30.0020.0346.31
5.0.20.0030.0206.28
5.0.10.0050.0186.26
5.0.00.0030.0316.25
4.4.90.0030.0154.78
4.4.80.0020.0154.76
4.4.70.0030.0244.76
4.4.60.0050.0164.76
4.4.50.0030.0194.77
4.4.40.0020.0264.71
4.4.30.0060.0124.76
4.4.20.0040.0174.85
4.4.10.0030.0154.85
4.4.00.0030.0244.76
4.3.110.0020.0164.67
4.3.100.0010.0204.67
4.3.90.0030.0174.63
4.3.80.0030.0234.58
4.3.70.0020.0154.63
4.3.60.0030.0144.63
4.3.50.0010.0174.63
4.3.40.0010.0254.54
4.3.30.0020.0163.29
4.3.20.0020.0163.27
4.3.10.0020.0153.23
4.3.00.0100.02313.60

preferences:
42.33 ms | 401 KiB | 5 Q