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 $obj->{123}; //echo "\n",$obj->123; // Parse error: ...unexpected '123' (T_LNUMBER), expecting identifier (T_STRING) or variable (T_VARIABLE) or '{' or '$' echo "\n..............................\n"; $obj->{'a123'} = $obj->{123}; print_r($obj); echo 'Via Property a123: ' . $obj->a123,"\n"; echo "\n..............................\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"; echo "\n..............................\n"; // contrast: $obj = (object)array('123' => '456'); // '123' => 123 and identifers must be strings print_r($obj); echo $obj->{'123'},"\n"; // so "Undefined property: stdClass::$123" if (!property_exists($obj,'123')) echo 'property 123 does not exist',"\n"; $obj = new stdClass; $obj->name = "blabe"; echo "The rain in {$obj->name} ...";

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
8.3.50.0100.01322.06
8.3.40.0090.00918.80
8.3.30.0070.01419.04
8.3.20.0040.00420.16
8.3.10.0040.00420.46
8.3.00.0080.00019.38
8.2.180.0140.00416.63
8.2.170.0090.00622.96
8.2.160.0110.00720.57
8.2.150.0060.00324.18
8.2.140.0070.00024.66
8.2.130.0070.00026.16
8.2.120.0040.00422.03
8.2.110.0070.01020.52
8.2.100.0040.00718.09
8.2.90.0050.00319.30
8.2.80.0090.00017.97
8.2.70.0060.00317.75
8.2.60.0080.00018.05
8.2.50.0000.00818.07
8.2.40.0000.00920.07
8.2.30.0040.00418.22
8.2.20.0080.00017.75
8.2.10.0040.00418.08
8.2.00.0000.00817.88
8.1.280.0040.01425.92
8.1.270.0040.00423.88
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0070.00423.97
8.1.230.0080.00418.98
8.1.220.0050.00317.74
8.1.210.0000.00918.77
8.1.200.0040.00417.23
8.1.190.0030.00517.35
8.1.180.0040.00418.10
8.1.170.0000.00818.63
8.1.160.0030.00621.99
8.1.150.0000.00718.91
8.1.140.0040.00417.52
8.1.130.0050.00317.91
8.1.120.0000.00717.39
8.1.110.0040.00417.43
8.1.100.0000.00717.36
8.1.90.0000.00717.52
8.1.80.0000.00717.38
8.1.70.0040.00417.49
8.1.60.0060.00317.49
8.1.50.0060.00317.47
8.1.40.0050.00317.54
8.1.30.0000.00917.65
8.1.20.0080.00017.54
8.1.10.0040.00417.55
8.1.00.0040.00417.55
8.0.300.0000.00718.77
8.0.290.0070.00016.73
8.0.280.0040.00418.51
8.0.270.0020.00516.84
8.0.260.0000.00617.24
8.0.250.0040.00317.03
8.0.240.0060.00017.05
8.0.230.0000.00716.94
8.0.220.0050.00316.81
8.0.210.0000.00716.96
8.0.200.0050.00316.90
8.0.190.0040.00417.06
8.0.180.0040.00416.89
8.0.170.0030.00616.91
8.0.160.0040.00416.97
8.0.150.0040.00416.98
8.0.140.0000.00716.83
8.0.130.0050.00013.39
8.0.120.0030.00616.94
8.0.110.0000.00717.00
8.0.100.0040.00416.95
8.0.90.0040.00417.04
8.0.80.0060.01016.94
8.0.70.0040.00416.88
8.0.60.0040.00417.00
8.0.50.0000.00716.96
8.0.30.0130.00517.22
8.0.20.0090.01117.40
8.0.10.0000.00716.98
8.0.00.0080.00916.87
7.4.330.0030.00315.04
7.4.320.0000.00716.66
7.4.300.0040.00416.43
7.4.290.0050.00316.42
7.4.280.0000.00916.53
7.4.270.0000.00716.59
7.4.260.0030.00516.46
7.4.250.0040.00416.52
7.4.240.0030.00516.43
7.4.230.0030.00316.37
7.4.220.0100.01016.54
7.4.210.0070.00716.51
7.4.200.0000.00816.55
7.4.160.0100.00616.34
7.4.150.0120.00817.40
7.4.140.0120.00517.86
7.4.130.0070.01216.46
7.4.120.0080.00916.53
7.4.110.0070.01016.35
7.4.100.0100.01016.62
7.4.90.0070.01016.65
7.4.80.0040.01519.39
7.4.70.0180.00416.45
7.4.60.0090.00916.55
7.4.50.0000.00616.46
7.4.40.0110.00516.71
7.4.30.0120.00916.43
7.4.10.0060.01314.96
7.4.00.0090.00714.86
7.3.330.0000.00613.24
7.3.320.0060.00013.10
7.3.310.0020.00516.31
7.3.300.0000.00816.30
7.3.290.0030.01016.35
7.3.280.0110.00716.30
7.3.270.0070.01117.40
7.3.260.0090.00816.31
7.3.250.0080.00916.40
7.3.240.0090.00916.22
7.3.230.0120.00616.39
7.3.210.0120.00616.23
7.3.200.0060.01519.39
7.3.190.0180.00316.51
7.3.180.0080.00916.49
7.3.170.0060.01016.30
7.3.160.0100.01216.26
7.3.130.0070.01014.54
7.3.120.0100.01014.97
7.3.110.0080.01014.97
7.3.100.0080.00814.91
7.3.90.0000.01114.73
7.3.80.0070.00514.69
7.3.70.0090.00614.73
7.3.60.0100.00514.78
7.3.50.0040.00814.76
7.3.40.0040.00914.80
7.3.30.0060.01014.76
7.3.20.0070.00916.64
7.3.10.0030.00916.67
7.3.00.0060.00516.77
7.2.330.0060.01216.81
7.2.320.0090.01216.52
7.2.310.0000.01716.43
7.2.300.0100.01316.79
7.2.290.0090.00916.93
7.2.260.0070.01115.00
7.2.250.0110.00715.10
7.2.240.0040.01115.06
7.2.230.0080.00815.17
7.2.220.0080.00515.25
7.2.210.0050.01115.16
7.2.200.0050.00715.08
7.2.190.0070.00514.98
7.2.180.0030.01115.17
7.2.170.0070.00815.15
7.2.160.0070.01015.01
7.2.150.0060.00616.69
7.2.140.0060.00916.76
7.2.130.0110.00516.84
7.2.120.0060.00917.05
7.2.110.0070.00816.92
7.2.100.0030.00816.85
7.2.90.0070.00917.00
7.2.80.0100.00517.08
7.2.70.0110.00516.94
7.2.60.0090.00616.77
7.2.50.0110.00516.98
7.2.40.0080.00616.93
7.2.30.0050.00916.73
7.2.20.0070.00816.99
7.2.10.0070.00916.98
7.2.00.0080.00817.82
7.1.330.0090.00515.79
7.1.320.0030.01015.60
7.1.310.0070.00915.73
7.1.300.0030.00615.66
7.1.290.0080.00515.76
7.1.280.0050.01215.97
7.1.270.0020.01215.83
7.1.260.0100.00115.99
7.1.250.0100.00615.76
7.1.240.0020.01115.80
7.1.230.0100.00715.88
7.1.220.0060.00615.76
7.1.210.0100.00515.77
7.1.200.0070.00615.61
7.1.190.0090.00515.71
7.1.180.0070.00715.77
7.1.170.0080.00715.70
7.1.160.0080.00615.78
7.1.150.0090.00515.84
7.1.140.0100.00515.79
7.1.130.0100.00815.61
7.1.120.0110.00315.56
7.1.110.0100.00715.79
7.1.100.0060.01016.49
7.1.90.0080.00615.92
7.1.80.0050.00715.65
7.1.70.0050.00616.34
7.1.60.0110.00816.96
7.1.50.0100.00816.13
7.1.40.0100.00615.88
7.1.30.0080.00415.63
7.1.20.0080.00815.62
7.1.10.0090.00615.69
7.1.00.0100.02917.95
7.0.330.0080.00815.38
7.0.320.0090.00615.22
7.0.310.0090.00415.29
7.0.300.0100.00815.36
7.0.290.0080.00715.32
7.0.280.0070.00715.51
7.0.270.0060.01415.24
7.0.260.0120.00815.41
7.0.250.0110.00715.38
7.0.240.0110.00815.49
7.0.230.0090.00915.50
7.0.220.0100.00915.35
7.0.210.0090.01115.36
7.0.200.0100.00415.76
7.0.190.0110.00815.29
7.0.180.0100.00715.56
7.0.170.0140.01015.37
7.0.160.0110.00715.41
7.0.150.0140.00615.46
7.0.140.0100.02917.61
7.0.130.0150.00615.33
7.0.120.0090.01115.36
7.0.110.0070.00915.50
7.0.100.0090.00915.40
7.0.90.0090.00815.35
7.0.80.0060.00915.34
7.0.70.0110.00715.30
7.0.60.0070.03416.97
7.0.50.0040.02516.21
7.0.40.0090.02415.76
7.0.30.0130.01915.68
7.0.20.0150.02915.71
7.0.10.0050.03315.67
7.0.00.0060.02415.63
5.6.400.0080.00414.58
5.6.390.0060.01214.46
5.6.380.0050.01114.49
5.6.370.0040.00814.15
5.6.360.0090.00614.32
5.6.350.0040.00814.28
5.6.340.0110.00414.36
5.6.330.0090.00714.34
5.6.320.0000.01214.08
5.6.310.0050.00814.34
5.6.300.0070.01214.40
5.6.290.0130.00314.38
5.6.280.0070.03216.86
5.6.270.0080.00614.44
5.6.260.0050.00914.65
5.6.250.0060.00714.28
5.6.240.0090.00914.47
5.6.230.0070.00814.32
5.6.220.0060.00914.44
5.6.210.0080.01716.27
5.6.200.0080.02315.63
5.6.190.0060.02016.46
5.6.180.0180.01816.38
5.6.170.0180.01816.43
5.6.160.0050.03316.35
5.6.150.0050.02015.64
5.6.140.0060.02615.69
5.6.130.0070.01815.54
5.6.120.0050.03016.44
5.6.110.0080.03216.49
5.6.100.0040.02416.63
5.6.90.0040.02116.65
5.6.80.0040.03316.31
5.6.70.0050.01314.33
5.6.60.0080.00614.24
5.6.50.0050.00914.27
5.6.40.0070.00714.29
5.6.30.0070.00714.29
5.6.20.0070.00614.30
5.6.10.0060.00514.14
5.6.00.0100.00314.34
5.5.380.0040.01013.03
5.5.370.0050.00813.23
5.5.360.0040.00813.13
5.5.350.0090.03115.51
5.5.340.0020.03214.67
5.5.330.0030.02415.51
5.5.320.0130.01815.56
5.5.310.0110.01615.50
5.5.300.0080.02014.74
5.5.290.0040.02114.75
5.5.280.0090.03015.76
5.5.270.0050.02515.54
5.5.260.0080.02415.71
5.5.250.0100.02915.59
5.5.240.0090.02715.51
5.5.230.0090.00413.04
5.5.220.0020.01213.08
5.5.210.0060.00613.17
5.5.200.0060.00513.05
5.5.190.0080.00513.10
5.5.180.0040.00813.06
5.5.170.0100.00213.12
5.5.160.0080.00613.22
5.5.150.0040.00912.96
5.5.140.0060.00513.22
5.5.130.0020.00913.01
5.5.120.0060.00413.15
5.5.110.0030.00813.08
5.5.100.0080.00313.16
5.5.90.0060.00613.07
5.5.80.0040.00613.13
5.5.70.0050.00712.96
5.5.60.0080.00413.18
5.5.50.0060.00413.13
5.5.40.0080.00512.92
5.5.30.0040.00613.03
5.5.20.0070.00513.10
5.5.10.0050.01013.10
5.5.00.0060.00713.06
5.4.450.0270.02014.59
5.4.440.0180.01914.59
5.4.430.0200.01714.61
5.4.420.0260.00214.59
5.4.410.0240.00414.55
5.4.400.0220.00714.47
5.4.390.0250.00514.47
5.4.380.0240.00414.53
5.4.370.0250.00414.49
5.4.360.0220.00414.48
5.4.350.0210.00614.52
5.4.340.0210.00414.46
5.4.330.0060.00312.18
5.4.320.0050.02512.29
5.4.310.0080.01712.28
5.4.300.0060.01612.28
5.4.290.0060.01912.28
5.4.280.0040.01912.25
5.4.270.0080.01512.25
5.4.260.0070.01712.25
5.4.250.0070.02112.25
5.4.240.0050.01612.25
5.4.230.0070.01612.25
5.4.220.0060.01612.25
5.4.210.0060.01912.25
5.4.200.0070.01512.25
5.4.190.0030.02012.25
5.4.180.0070.01312.25
5.4.170.0040.01712.25
5.4.160.0030.01912.25
5.4.150.0060.01812.25
5.4.140.0030.02412.14
5.4.130.0080.01712.14
5.4.120.0050.01612.12
5.4.110.0060.01812.12
5.4.100.0090.01612.12
5.4.90.0070.01912.12
5.4.80.0080.02212.12
5.4.70.0030.02112.12
5.4.60.0040.01812.12
5.4.50.0050.01912.12
5.4.40.0050.01512.12
5.4.30.0060.01412.12
5.4.20.0080.01712.12
5.4.10.0060.01812.12
5.4.00.0090.01611.95
5.3.290.0080.02712.30
5.3.280.0100.02312.25
5.3.270.0090.02412.26
5.3.260.0070.02312.26
5.3.250.0120.01812.25
5.3.240.0070.02512.25
5.3.230.0060.02312.25
5.3.220.0050.02212.23
5.3.210.0070.02312.23
5.3.200.0020.02512.23
5.3.190.0120.01912.23
5.3.180.0130.01712.23
5.3.170.0050.02512.23
5.3.160.0060.02312.23
5.3.150.0080.02212.23
5.3.140.0080.02012.23
5.3.130.0110.02212.22
5.3.120.0100.02212.22
5.3.110.0090.02112.22
5.3.100.0100.02011.96
5.3.90.0100.02111.94
5.3.80.0050.02411.94
5.3.70.0060.02211.94
5.3.60.0040.02311.93
5.3.50.0060.02311.91
5.3.40.0050.02111.91
5.3.30.0040.02611.89
5.3.20.0040.02111.78
5.3.10.0050.02011.76
5.3.00.0060.02011.75
5.2.170.0040.02110.50
5.2.160.0050.01610.51
5.2.150.0050.01710.50
5.2.140.0040.02010.50
5.2.130.0050.01710.48
5.2.120.0050.01610.48
5.2.110.0040.02310.49
5.2.100.0060.02010.49
5.2.90.0060.01710.48
5.2.80.0050.01810.48
5.2.70.0040.01910.48
5.2.60.0070.01710.46
5.2.50.0020.02010.45
5.2.40.0070.01610.43
5.2.30.0040.02010.42
5.2.20.0040.01710.41
5.2.10.0060.01410.37
5.2.00.0030.01610.30
5.1.60.0040.0159.94
5.1.50.0070.0159.94
5.1.40.0060.0159.93
5.1.30.0060.01410.11
5.1.20.0060.01610.12
5.1.10.0040.0169.98
5.1.00.0050.0159.98
5.0.50.0060.0129.22
5.0.40.0020.0149.15
5.0.30.0030.0219.06
5.0.20.0050.0099.04
5.0.10.0010.0149.03
5.0.00.0050.0159.03
4.4.90.0010.0138.28
4.4.80.0040.0138.27
4.4.70.0030.0108.27
4.4.60.0040.0108.27
4.4.50.0040.0108.28
4.4.40.0030.0148.25
4.4.30.0030.0118.28
4.4.20.0040.0108.32
4.4.10.0030.0098.32
4.4.00.0040.0148.27
4.3.110.0020.0108.23
4.3.100.0010.0108.23
4.3.90.0050.0098.21
4.3.80.0030.0138.19
4.3.70.0020.0088.21
4.3.60.0040.0088.21
4.3.50.0030.0108.21
4.3.40.0030.0148.16
4.3.30.0030.0107.54
4.3.20.0040.0097.52
4.3.10.0020.0097.50
4.3.00.0020.00812.69

preferences:
63.29 ms | 401 KiB | 5 Q