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: $obj = (object)array('123' => '456'); // '123' => 123 and identifers must be strings print_r($obj); echo $obj->{'123'},"\n"; // so "Undefined property: stdClass::$123" if (!property_exists($obj,'123')) echo 'property 123 does not exist',"\n"; $obj = 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)
8.3.60.0100.01018.66
8.3.50.0120.00722.00
8.3.40.0140.00418.82
8.3.30.0140.00319.22
8.3.20.0050.00320.20
8.3.10.0040.00420.40
8.3.00.0090.00019.51
8.2.180.0120.00416.88
8.2.170.0070.00722.96
8.2.160.0130.00320.53
8.2.150.0040.00424.18
8.2.140.0030.00624.66
8.2.130.0040.00426.16
8.2.120.0070.00022.23
8.2.110.0030.00621.02
8.2.100.0090.00318.16
8.2.90.0050.00319.20
8.2.80.0000.00817.97
8.2.70.0000.01017.63
8.2.60.0030.00617.93
8.2.50.0000.00918.07
8.2.40.0030.00619.82
8.2.30.0050.00318.20
8.2.20.0040.00417.86
8.2.10.0030.00618.14
8.2.00.0000.00817.82
8.1.280.0140.00425.92
8.1.270.0060.00323.61
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0130.00319.09
8.1.230.0090.00317.82
8.1.220.0000.00817.79
8.1.210.0060.00318.77
8.1.200.0060.00317.35
8.1.190.0030.00617.35
8.1.180.0040.00418.10
8.1.170.0040.00418.59
8.1.160.0040.00422.05
8.1.150.0000.00818.82
8.1.140.0000.00817.52
8.1.130.0030.00317.85
8.1.120.0070.00017.44
8.1.110.0050.00217.36
8.1.100.0000.00717.48
8.1.90.0030.00317.53
8.1.80.0030.00517.55
8.1.70.0040.00417.45
8.1.60.0060.00317.66
8.1.50.0040.00417.51
8.1.40.0030.00517.46
8.1.30.0000.00817.61
8.1.20.0080.00017.61
8.1.10.0040.00417.63
8.1.00.0030.00517.42
8.0.300.0060.00318.77
8.0.290.0030.00616.88
8.0.280.0040.00418.40
8.0.270.0030.00516.96
8.0.260.0030.00317.28
8.0.250.0030.00316.93
8.0.240.0030.00317.09
8.0.230.0070.00017.03
8.0.220.0000.00717.00
8.0.210.0000.00816.86
8.0.200.0030.00616.94
8.0.190.0030.00316.95
8.0.180.0040.00417.03
8.0.170.0030.00616.89
8.0.160.0070.00016.98
8.0.150.0000.00716.91
8.0.140.0050.00316.88
8.0.130.0060.00013.44
8.0.120.0040.00416.97
8.0.110.0000.00716.82
8.0.100.0000.00817.00
8.0.90.0000.00716.87
8.0.80.0090.00616.89
8.0.70.0000.00816.93
8.0.60.0040.00416.84
8.0.50.0000.00816.97
8.0.30.0080.01617.16
8.0.20.0130.00717.40
8.0.10.0040.00416.97
8.0.00.0080.01016.77
7.4.330.0000.00515.10
7.4.320.0060.00016.54
7.4.300.0070.00016.67
7.4.290.0040.00416.43
7.4.280.0040.00416.48
7.4.270.0040.00416.46
7.4.260.0070.00016.53
7.4.250.0040.00416.50
7.4.240.0020.00516.56
7.4.230.0000.00816.60
7.4.220.0100.00716.66
7.4.210.0040.01116.60
7.4.200.0040.00416.44
7.4.160.0120.00616.51
7.4.150.0060.01317.40
7.4.140.0120.00717.86
7.4.130.0130.00316.62
7.4.120.0110.00616.63
7.4.110.0110.00616.55
7.4.100.0120.00616.49
7.4.90.0030.01416.52
7.4.80.0080.01219.39
7.4.70.0070.01016.39
7.4.60.0150.00316.50
7.4.50.0000.00416.60
7.4.40.0030.01316.48
7.4.30.0130.00316.38
7.4.00.0090.00715.16
7.3.330.0000.00613.08
7.3.320.0030.00313.09
7.3.310.0070.00016.35
7.3.300.0030.00316.34
7.3.290.0000.00716.38
7.3.280.0100.00816.38
7.3.270.0120.01217.40
7.3.260.0130.00316.55
7.3.250.0090.00916.42
7.3.240.0060.01216.54
7.3.230.0070.01116.39
7.3.210.0080.00816.46
7.3.200.0070.01419.39
7.3.190.0110.00916.38
7.3.180.0100.00716.46
7.3.170.0060.01116.60
7.3.160.0060.01216.29
7.3.120.0120.00514.75
7.3.110.0030.01514.78
7.3.100.0110.00314.78
7.3.90.0090.00714.77
7.3.80.0020.01114.91
7.3.70.0060.00614.65
7.3.60.0100.00614.58
7.3.50.0030.01314.82
7.3.40.0080.00714.73
7.3.30.0000.00914.77
7.3.20.0020.01116.43
7.3.10.0050.01016.65
7.3.00.0040.00816.64
7.2.330.0090.01616.62
7.2.320.0090.00916.84
7.2.310.0000.01616.79
7.2.300.0070.01016.70
7.2.290.0080.01116.77
7.2.250.0050.01415.07
7.2.240.0060.01315.11
7.2.230.0100.00515.16
7.2.220.0050.00615.05
7.2.210.0070.00614.88
7.2.200.0080.00715.14
7.2.190.0050.00914.95
7.2.180.0070.00715.07
7.2.170.0070.01015.00
7.2.130.0060.00716.84
7.2.120.0070.00417.02
7.2.110.0070.00716.94
7.2.100.0020.01016.75
7.2.90.0030.00816.92
7.2.80.0030.01017.08
7.2.70.0050.00916.90
7.2.60.0090.00416.93
7.2.50.0040.00616.88
7.2.40.0100.00416.97
7.2.30.0080.00317.09
7.2.20.0090.00516.99
7.2.10.0000.01416.92
7.2.00.0060.01117.75
7.1.330.0030.01115.77
7.1.320.0050.00715.91
7.1.310.0060.00715.58
7.1.300.0030.00815.77
7.1.290.0080.00715.63
7.1.280.0030.00915.81
7.1.270.0040.00915.58
7.1.260.0030.01116.03
7.1.250.0020.00915.83
7.1.240.0040.00415.55
7.1.230.0000.00816.01
7.1.220.0000.01115.86
7.1.210.0060.00615.82
7.1.200.0070.00615.67
7.1.190.0030.00615.93
7.1.180.0100.00715.75
7.1.170.0070.00315.70
7.1.160.0030.00615.58
7.1.150.0120.00015.97
7.1.140.0000.01015.74
7.1.130.0110.00315.91
7.1.120.0070.00715.80
7.1.110.0000.01415.89
7.1.100.0020.00816.93
7.1.90.0110.00415.80
7.1.80.0030.00715.71
7.1.70.0060.00816.50
7.1.60.0060.00917.60
7.1.50.0090.00616.24
7.1.40.0080.00315.73
7.1.30.0040.00715.79
7.1.20.0030.01015.61
7.1.10.0070.00715.57
7.1.00.0050.04219.04
7.0.330.0000.01015.27
7.0.320.0030.01315.13
7.0.310.0080.00415.45
7.0.300.0040.00715.22
7.0.290.0030.01015.32
7.0.280.0030.00715.24
7.0.270.0030.00815.03
7.0.260.0030.00715.43
7.0.250.0030.01015.40
7.0.240.0110.00415.08
7.0.230.0060.00615.41
7.0.220.0040.00815.39
7.0.210.0070.00715.39
7.0.200.0060.00516.26
7.0.190.0060.00615.43
7.0.180.0040.01115.18
7.0.170.0070.00715.47
7.0.160.0050.00315.14
7.0.150.0080.00415.63
7.0.140.0080.03518.76
7.0.130.0070.00715.36
7.0.120.0030.00915.02
7.0.110.0060.00615.35
7.0.100.0100.00315.44
7.0.90.0070.00315.32
7.0.80.0000.00915.40
7.0.70.0030.01015.18
7.0.60.0070.02217.63
7.0.50.0050.03316.62
7.0.40.0050.04716.84
7.0.30.0200.03816.70
7.0.20.0140.04616.80
7.0.10.0200.01516.62
7.0.00.0030.04716.66
5.6.380.0070.00414.07
5.6.370.0040.01214.42
5.6.360.0030.00614.19
5.6.350.0090.00314.42
5.6.340.0130.00014.52
5.6.330.0060.00614.44
5.6.320.0070.00714.13
5.6.310.0060.00614.48
5.6.300.0070.00414.71
5.6.290.0040.00714.48
5.6.280.0030.04017.67
5.6.270.0030.01014.21
5.6.260.0030.01014.59
5.6.250.0090.00014.27
5.6.240.0110.00314.71
5.6.230.0070.01014.34
5.6.220.0120.00314.27
5.6.210.0080.04517.58
5.6.200.0080.04316.29
5.6.190.0050.04417.47
5.6.180.0130.04117.56
5.6.170.0120.02717.46
5.6.160.0120.03717.45
5.6.150.0070.03816.26
5.6.140.0020.05316.20
5.6.130.0070.04516.20
5.6.120.0100.02117.55
5.6.110.0060.03717.48
5.6.100.0110.04617.65
5.6.90.0070.04317.58
5.6.80.0150.03517.38
5.6.70.2000.02217.42
5.6.60.0030.00614.34
5.6.50.0070.00314.02
5.6.40.0060.00913.89
5.6.30.0090.00614.51
5.6.20.0000.01214.02
5.6.10.0040.00714.13
5.6.00.0030.01014.31
5.5.380.0000.00711.35
5.5.370.0030.00611.32
5.5.360.0030.00611.55
5.5.350.0090.02715.86
5.5.340.0030.02214.50
5.5.330.0020.02515.86
5.5.320.0190.02815.62
5.5.310.0170.04215.81
5.5.300.0070.02714.48
5.5.290.0080.02214.56
5.5.280.0060.03515.85
5.5.270.0070.02316.11
5.5.260.0100.04016.20
5.5.250.0130.02715.93
5.5.240.0210.03515.64
5.5.230.0000.00811.29
5.5.220.0060.00010.96
5.5.210.0000.01011.27
5.5.200.0030.00311.30
5.5.190.0000.00811.15
5.5.180.0050.00511.28
5.5.170.0070.00311.07
5.5.160.0030.00611.23
5.5.150.0060.00011.38
5.5.140.0000.00711.26
5.5.130.0000.00810.93
5.5.120.0030.00511.25
5.5.110.0000.00811.19
5.5.100.0000.00911.25
5.5.90.0030.00710.93
5.5.80.0000.00711.24
5.5.70.0000.00611.32
5.5.60.0030.00611.28
5.5.50.0060.00311.09
5.5.40.0000.00511.08
5.5.30.0080.00011.17
5.5.20.0040.00411.05
5.5.10.0000.00711.09
5.5.00.0090.00011.06
5.4.450.0230.01815.13
5.4.440.0330.02215.16
5.4.430.0110.02515.16
5.4.420.0350.00215.39
5.4.410.0360.00315.19
5.4.400.0340.00215.03
5.4.390.0330.00215.14
5.4.380.0350.00315.06
5.4.370.0350.00215.07
5.4.360.0350.00215.09
5.4.350.0400.00315.16
5.4.340.0330.00515.16
5.4.330.0030.00911.49
5.4.320.0030.02411.89
5.4.310.0070.01811.75
5.4.300.0040.02111.88
5.4.290.0080.02211.92
5.4.280.0060.01911.68
5.4.270.0050.02011.76
5.4.260.0100.01811.80
5.4.250.0050.02211.87
5.4.240.0060.02511.80
5.4.230.0040.02111.82
5.4.220.0050.02311.55
5.4.210.0050.02311.80
5.4.200.0040.02311.75
5.4.190.0050.02111.75
5.4.180.0040.02211.75
5.4.170.0050.02111.68
5.4.160.0040.02111.67
5.4.150.0030.02211.66
5.4.140.0070.02011.58
5.4.130.0040.02211.70
5.4.120.0060.02011.46
5.4.110.0040.02511.53
5.4.100.0030.02411.51
5.4.90.0020.02511.62
5.4.80.0060.02011.63
5.4.70.0050.02011.44
5.4.60.0020.02211.60
5.4.50.0040.02011.63
5.4.40.0050.02211.53
5.4.30.0050.02211.51
5.4.20.0020.02411.51
5.4.10.0080.02011.53
5.4.00.0040.02511.43
5.3.290.0070.02111.79
5.3.280.0040.02511.72
5.3.270.0060.02211.72
5.3.260.0040.02511.71
5.3.250.0050.02111.72
5.3.240.0050.02111.70
5.3.230.0050.02111.52
5.3.220.0030.02311.56
5.3.210.0050.02311.51
5.3.200.0030.02311.66
5.3.190.0060.02211.64
5.3.180.0060.02211.69
5.3.170.0040.02111.72
5.3.160.0070.02111.69
5.3.150.0040.02511.73
5.3.140.0080.01811.57
5.3.130.0040.02511.70
5.3.120.0050.02211.63
5.3.110.0050.02311.71
5.3.100.0060.02311.31
5.3.90.0080.01911.30
5.3.80.0060.02111.36
5.3.70.0050.02211.20
5.3.60.0030.02311.34
5.3.50.0090.01811.34
5.3.40.0040.02311.40
5.3.30.0070.01611.31
5.3.20.0090.01611.15
5.3.10.0060.02211.07
5.3.00.0070.01911.03
5.2.170.0020.0219.32
5.2.160.0030.0199.43
5.2.150.0070.0169.49
5.2.140.0040.0199.38
5.2.130.0050.0159.35
5.2.120.0030.0179.38
5.2.110.0060.0169.38
5.2.100.0060.0169.30
5.2.90.0060.0169.30
5.2.80.0030.0199.37
5.2.70.0060.0179.33
5.2.60.0020.0219.29
5.2.50.0030.0189.32
5.2.40.0060.0169.25
5.2.30.0070.0169.23
5.2.20.0030.0179.23
5.2.10.0040.0199.18
5.2.00.0030.0189.11
5.1.60.0020.0178.75
5.1.50.0020.0178.74
5.1.40.0050.0148.73
5.1.30.0070.0178.91
5.1.20.0030.0188.92
5.1.10.0060.0148.78
5.1.00.0040.0158.79
5.0.50.0020.0128.03
5.0.40.0040.0097.96
5.0.30.0060.0157.86
5.0.20.0030.0107.85
5.0.10.0040.0107.84
5.0.00.0030.0197.83
4.4.90.0030.0117.10
4.4.80.0020.0127.08
4.4.70.0020.0117.09
4.4.60.0040.0107.08
4.4.50.0020.0097.09
4.4.40.0020.0167.06
4.4.30.0030.0097.09
4.4.20.0020.0107.13
4.4.10.0040.0087.13
4.4.00.0030.0147.09
4.3.110.0020.0097.04
4.3.100.0020.0117.04
4.3.90.0030.0077.02
4.3.80.0040.0137.00
4.3.70.0010.0107.02
4.3.60.0020.0097.02
4.3.50.0010.0127.02
4.3.40.0020.0156.97
4.3.30.0040.0076.36
4.3.20.0010.0106.35
4.3.10.0030.0096.32
4.3.00.0080.01411.51

preferences:
39.72 ms | 401 KiB | 5 Q