3v4l.org

run code in 300+ PHP versions simultaneously
<?php define("MAXSIZE", 100); //echo eval("MAXSIZE"); echo constant("MAXSIZE"); class T { public $a; public $b; } $obj = new T(); $cls = get_class($obj); $vars = get_class_vars($cls); //ๅ˜้‡ๅˆ—่กจ var_dump($vars); $str = '{"a":"pa","b":"pb"}'; $obj = json_decode($str,false); //$obj is stdclass $cls = get_class($obj); $vars = get_class_vars($cls); var_dump($vars);

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)
8.3.60.0130.00718.43
8.3.50.0140.00721.14
8.3.40.0080.00818.75
8.3.30.0100.00320.34
8.3.20.0030.00520.34
8.3.10.0080.00022.02
8.3.00.0040.00422.49
8.2.180.0070.01118.32
8.2.170.0040.01122.96
8.2.160.0170.00322.25
8.2.150.0000.00824.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0090.00020.81
8.2.110.0080.00022.20
8.2.100.0040.00817.72
8.2.90.0030.00519.23
8.2.80.0050.00319.41
8.2.70.0030.00617.36
8.2.60.0050.00317.93
8.2.50.0040.00418.07
8.2.40.0060.00319.94
8.2.30.0030.00519.50
8.2.20.0000.00717.58
8.2.10.0050.00317.61
8.2.00.0040.00417.56
8.1.280.0060.00925.92
8.1.270.0080.00023.99
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0040.00423.72
8.1.230.0070.00319.08
8.1.220.0000.00817.78
8.1.210.0080.00018.77
8.1.200.0000.01017.22
8.1.190.0050.00317.41
8.1.180.0070.00018.10
8.1.170.0080.00018.54
8.1.160.0000.00818.73
8.1.150.0040.00418.56
8.1.140.0080.00017.43
8.1.130.0000.00817.76
8.1.120.0030.00517.38
8.1.110.0040.00417.31
8.1.100.0000.00717.36
8.1.90.0040.00317.29
8.1.80.0000.00817.36
8.1.70.0070.00017.33
8.1.60.0030.00617.59
8.1.50.0040.00417.35
8.1.40.0070.00017.39
8.1.30.0040.00417.56
8.1.20.0070.00017.61
8.1.10.0040.00417.44
8.1.00.0050.00217.58
8.0.300.0000.00718.77
8.0.290.0000.00717.18
8.0.280.0070.00018.37
8.0.270.0030.00317.18
8.0.260.0030.00516.69
8.0.250.0000.00716.86
8.0.240.0030.00516.95
8.0.230.0000.00716.92
8.0.220.0000.00716.80
8.0.210.0000.00716.82
8.0.200.0000.00616.91
8.0.190.0030.00316.77
8.0.180.0030.00416.89
8.0.170.0040.00416.82
8.0.160.0030.00416.80
8.0.150.0020.00516.80
8.0.140.0040.00316.74
8.0.130.0000.00513.30
8.0.120.0080.00016.81
8.0.110.0040.00416.87
8.0.100.0000.00816.87
8.0.90.0000.00716.63
8.0.80.0080.01116.83
8.0.70.0000.00716.94
8.0.60.0040.00416.72
8.0.50.0040.00416.61
8.0.30.0150.01016.94
8.0.20.0050.01417.40
8.0.10.0000.00716.94
8.0.00.0110.01016.65
7.4.330.0040.00415.00
7.4.320.0030.00316.42
7.4.300.0000.00616.34
7.4.290.0070.00016.50
7.4.280.0070.00016.57
7.4.270.0000.00716.61
7.4.260.0000.00513.23
7.4.250.0070.00016.51
7.4.240.0040.00316.38
7.4.230.0000.00716.65
7.4.220.0170.00316.45
7.4.210.0100.00716.47
7.4.200.0000.00716.64
7.4.190.0060.00016.41
7.4.160.0060.00916.59
7.4.150.0090.00917.40
7.4.140.0110.00917.86
7.4.130.0130.00616.52
7.4.120.0070.01116.47
7.4.110.0120.00616.61
7.4.100.0150.00316.34
7.4.90.0060.01216.24
7.4.80.0090.00619.39
7.4.70.0090.01216.20
7.4.60.0090.00916.26
7.4.50.0000.00916.11
7.4.40.0040.00822.77
7.4.30.0140.01016.34
7.4.00.0070.01014.89
7.3.330.0000.00613.11
7.3.320.0000.00513.00
7.3.310.0050.00216.22
7.3.300.0030.00316.24
7.3.290.0070.00716.20
7.3.280.0090.01016.23
7.3.270.0080.00817.40
7.3.260.0100.01316.40
7.3.250.0120.01216.26
7.3.240.0120.00316.37
7.3.230.0090.00916.39
7.3.210.0080.00816.49
7.3.200.0080.01219.39
7.3.190.0090.00616.44
7.3.180.0060.00916.11
7.3.170.0030.01316.44
7.3.160.0120.00916.20
7.3.120.0090.00914.81
7.3.110.0030.01014.59
7.3.100.0040.01214.83
7.3.90.0000.01514.69
7.3.80.0100.01014.80
7.3.70.0030.01014.79
7.3.60.0070.00714.89
7.3.50.0070.01014.48
7.3.40.0030.00614.79
7.3.30.0030.01014.89
7.3.20.0060.00616.62
7.3.10.0070.00716.68
7.3.00.0030.01016.73
7.2.330.0120.00616.42
7.2.320.0000.01816.67
7.2.310.0130.00316.57
7.2.300.0120.00416.48
7.2.290.0120.00416.47
7.2.250.0070.01414.71
7.2.240.0000.01915.16
7.2.230.0030.01315.05
7.2.220.0090.00614.60
7.2.210.0070.01315.19
7.2.200.0040.00814.93
7.2.190.0090.00314.71
7.2.180.0080.00614.87
7.2.170.0060.00314.64
7.2.60.0060.00616.80
7.2.00.0000.01219.38
7.1.330.0090.00615.56
7.1.320.0120.00615.91
7.1.310.0140.00315.80
7.1.300.0040.01115.72
7.1.290.0080.00615.54
7.1.280.0080.00415.52
7.1.270.0040.00815.68
7.1.260.0080.00815.75
7.1.200.0030.00815.67
7.1.100.0000.01118.03
7.1.70.0040.00416.95
7.1.60.0140.00419.32
7.1.50.0040.01916.50
7.1.00.0000.03722.42
7.0.200.0050.00316.79
7.0.140.0030.07321.99
7.0.100.0270.07319.95
7.0.90.0130.03719.93
7.0.80.0170.08019.89
7.0.70.0100.05719.91
7.0.60.0000.07719.79
7.0.50.0070.04320.34
7.0.40.0070.08319.95
7.0.30.0070.04720.04
7.0.20.0100.04720.11
7.0.10.0130.07720.17
7.0.00.0070.08320.12
5.6.280.0000.07721.09
5.6.250.0100.04720.49
5.6.240.0130.07020.69
5.6.230.0100.07320.54
5.6.220.0070.07720.57
5.6.210.0070.04020.66
5.6.200.0070.07721.05
5.6.190.0070.04721.02
5.6.180.0070.08721.04
5.6.170.0100.07020.96
5.6.160.0100.04721.02
5.6.150.0100.08021.02
5.6.140.0230.05321.09
5.6.130.0170.07720.87
5.6.120.0030.07721.08
5.6.110.0070.08721.02
5.6.100.0100.05321.12
5.6.90.0030.04721.02
5.6.80.0070.07720.55
5.6.70.0030.06020.55
5.6.60.0070.07720.25
5.6.50.0070.06020.32
5.6.40.0030.04320.38
5.6.30.0070.03720.39
5.6.20.0000.05720.25
5.6.10.0100.06020.36
5.6.00.0030.04320.45
5.5.380.0030.04320.57
5.5.370.0070.06720.57
5.5.360.0000.05320.34
5.5.350.0070.07320.47
5.5.340.0130.06020.88
5.5.330.0100.07320.90
5.5.320.0130.05320.86
5.5.310.0070.08020.86
5.5.300.0030.06720.88
5.5.290.0130.04320.88
5.5.280.0130.07020.88
5.5.270.0070.05020.87
5.5.260.0070.04720.76
5.5.250.0070.07720.69
5.5.240.0070.04720.16
5.5.230.0030.04020.26
5.5.220.0030.05320.10
5.5.210.0070.07320.26
5.5.200.0100.07020.21
5.5.190.0070.04720.25
5.5.180.0130.05720.18
5.5.160.0030.08020.26
5.5.150.0070.08020.14
5.5.140.0100.06020.07
5.5.130.0000.08720.12
5.5.120.0200.05719.96
5.5.110.0170.07020.25
5.5.100.0100.06320.16
5.5.90.0170.07020.05
5.5.80.0100.06020.15
5.5.70.0130.08020.08
5.5.60.0130.07020.05
5.5.50.0100.05319.93
5.5.40.0100.04020.05
5.5.30.0070.07720.04
5.5.20.0100.06720.13
5.5.10.0070.04320.07
5.5.00.0000.04320.04
5.4.450.0070.04719.42
5.4.440.0200.06319.55
5.4.430.0100.06719.35
5.4.420.0030.05319.37
5.4.410.0000.04719.42
5.4.400.0130.07019.05
5.4.390.0130.05718.95
5.4.380.0070.03319.03
5.4.370.0070.05018.95
5.4.360.0070.07018.88
5.4.350.0100.06319.16
5.4.340.0070.06019.22
5.4.320.0070.06719.02
5.4.310.0030.05719.23
5.4.300.0070.04019.21
5.4.290.0100.07319.09
5.4.280.0000.05019.04
5.4.270.0230.06319.13
5.4.260.0070.07319.21
5.4.250.0130.07019.20
5.4.240.0070.05719.12
5.4.230.0030.08019.12
5.4.220.0070.07719.04
5.4.210.0100.06319.20
5.4.200.0070.07318.86
5.4.190.0130.04318.97
5.4.180.0100.03319.11
5.4.170.0070.03719.15
5.4.160.0030.04319.16
5.4.150.0030.04018.85
5.4.140.0030.04016.34
5.4.130.0130.03016.39
5.4.120.0070.03316.42
5.4.110.0070.03716.39
5.4.100.0070.03316.43
5.4.90.0000.04016.47
5.4.80.0030.04016.32
5.4.70.0100.03016.32
5.4.60.0000.04016.31
5.4.50.0070.05016.36
5.4.40.0130.06316.36
5.4.30.0100.07016.32
5.4.20.0030.04316.36
5.4.10.0000.07716.33
5.4.00.0000.05715.90
5.3.290.0030.08714.64
5.3.280.0130.07714.69
5.3.270.0000.04314.59
5.3.260.0030.04014.70
5.3.250.0070.03714.63
5.3.240.0000.04014.60
5.3.230.0100.03314.55
5.3.220.0030.03714.68
5.3.210.0070.04014.60
5.3.200.0030.03314.71
5.3.190.0000.04014.68
5.3.180.0030.04014.58
5.3.170.0030.04014.63
5.3.160.0030.03714.63
5.3.150.0170.05014.59
5.3.140.0070.03714.54
5.3.130.0100.03014.61
5.3.120.0070.05714.58
5.3.110.0030.03714.61
5.3.100.0030.04014.17
5.3.90.0030.03314.13
5.3.80.0170.02314.15
5.3.70.0100.03314.03
5.3.60.0030.03713.98
5.3.50.0070.03314.06
5.3.40.0130.03014.00
5.3.30.0000.04013.81
5.3.20.0070.03313.83
5.3.10.0000.03713.57
5.3.00.0100.03013.61
5.2.170.0030.03013.15
5.2.160.0000.03013.15
5.2.150.0070.02713.15
5.2.140.0030.02713.15
5.2.130.0070.02713.15
5.2.120.0030.02713.15
5.2.110.0070.02713.15
5.2.100.0070.02713.15
5.2.90.0030.02313.15
5.2.80.0030.02313.15
5.2.70.0100.02313.15
5.2.60.0030.03013.15
5.2.50.0070.02313.15
5.2.40.0000.03013.15
5.2.30.0000.02713.15
5.2.20.0030.02713.15
5.2.10.0070.02313.15
5.2.00.0000.03013.15
5.1.60.0000.02313.15
5.1.50.0030.02013.15
5.1.40.0030.02313.15
5.1.30.0000.03013.15
5.1.20.0100.02013.15
5.1.10.0000.02313.15
5.1.00.0000.02713.15
5.0.50.0030.02013.15
5.0.40.0000.02013.15
5.0.30.0030.02313.15
5.0.20.0000.02313.15
5.0.10.0030.01713.15
5.0.00.0030.02313.15
4.4.90.0000.02013.15
4.4.80.0030.01013.15
4.4.70.0000.01713.15
4.4.60.0000.01313.15
4.4.50.0000.01713.15
4.4.40.0000.02013.15
4.4.30.0000.01713.15
4.4.20.0030.01313.15
4.4.10.0000.01313.15
4.4.00.0000.02313.15
4.3.110.0070.01013.15
4.3.100.0000.01313.15
4.3.90.0000.01313.15
4.3.80.0000.02713.15
4.3.70.0000.01313.15
4.3.60.0030.01013.15
4.3.50.0000.01313.15
4.3.40.0000.02013.15
4.3.30.0000.02013.15
4.3.20.0030.01013.15
4.3.10.0030.01013.15
4.3.00.0000.01313.15

preferences:
50.77 ms | 400 KiB | 5 Q