3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { private $foo; public function __debuginfo() { return ['foo' => 'bar']; } public function __sleep() { $this->herp = 'derp'; return ['herp', 'merp']; } } var_dump(json_encode(new Foo()));

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)
8.3.60.0090.00616.38
8.3.50.0140.00317.96
8.3.40.0060.01318.38
8.3.30.0140.00318.92
8.3.20.0070.00020.34
8.3.10.0000.00721.73
8.3.00.0000.00919.27
8.2.180.0090.00916.32
8.2.170.0160.00622.96
8.2.160.0070.00720.33
8.2.150.0070.00324.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0040.00419.83
8.2.110.0090.00019.45
8.2.100.0110.00017.63
8.2.90.0070.00019.28
8.2.80.0050.00317.97
8.2.70.0000.00817.38
8.2.60.0000.00819.41
8.2.50.0000.00818.07
8.2.40.0040.00418.03
8.2.30.0040.00417.99
8.2.20.0000.00817.47
8.2.10.0040.00417.94
8.2.00.0050.00217.43
8.1.280.0070.00725.92
8.1.270.0000.00818.88
8.1.260.0050.00326.35
8.1.250.0080.00028.09
8.1.240.0030.00620.91
8.1.230.0040.00817.52
8.1.220.0000.00817.74
8.1.210.0060.00318.77
8.1.200.0000.00917.25
8.1.190.0040.00417.13
8.1.180.0000.00918.10
8.1.170.0040.00420.27
8.1.160.0000.00721.89
8.1.150.0000.00718.70
8.1.140.0030.00517.31
8.1.130.0030.00317.83
8.1.120.0000.00717.34
8.1.110.0040.00417.24
8.1.100.0040.00417.34
8.1.90.0020.00517.38
8.1.80.0040.00417.23
8.1.70.0000.00717.28
8.1.60.0040.00417.51
8.1.50.0040.00417.38
8.1.40.0080.00017.29
8.1.30.0030.00517.44
8.1.20.0000.00717.54
8.1.10.0000.00817.32
8.1.00.0030.00517.43
8.0.300.0060.00318.77
8.0.290.0040.00416.63
8.0.280.0040.00418.26
8.0.270.0050.00317.16
8.0.260.0000.00817.20
8.0.250.0000.00716.80
8.0.240.0000.01016.79
8.0.230.0030.00316.80
8.0.220.0020.00516.78
8.0.210.0030.00316.83
8.0.200.0030.00316.82
8.0.190.0070.00316.85
8.0.180.0060.00316.84
8.0.170.0030.00516.84
8.0.160.0030.00616.74
8.0.150.0000.00716.67
8.0.140.0050.00316.72
8.0.130.0030.00313.19
8.0.120.0000.00816.74
8.0.110.0000.00716.69
8.0.100.0050.00216.64
8.0.90.0040.00416.84
8.0.80.0130.00316.82
8.0.70.0000.00816.80
8.0.60.0040.00416.71
8.0.50.0050.00216.88
8.0.30.0170.00816.95
8.0.20.0090.00917.40
8.0.10.0090.00016.72
8.0.00.0130.01116.71
7.4.330.0000.00515.03
7.4.320.0000.00616.48
7.4.300.0020.00516.52
7.4.290.0020.00516.49
7.4.280.0030.00616.52
7.4.270.0070.00016.46
7.4.260.0070.00016.51
7.4.250.0000.00716.45
7.4.240.0020.00516.46
7.4.230.0030.00316.52
7.4.220.0090.00916.54
7.4.210.0040.01116.42
7.4.200.0000.00716.38
7.4.160.0110.00416.38
7.4.150.0060.01417.40
7.4.140.0090.01517.86
7.4.130.0060.01116.44
7.4.120.0090.00816.41
7.4.110.0140.00416.45
7.4.100.0150.00616.32
7.4.90.0140.00316.08
7.4.80.0090.00919.39
7.4.70.0150.00316.20
7.4.60.0060.01216.35
7.4.50.0040.00416.37
7.4.40.0030.01316.50
7.4.30.0000.01816.25
7.4.00.0060.00914.93
7.3.330.0060.00013.14
7.3.320.0130.00012.99
7.3.310.0030.00316.04
7.3.300.0050.00316.18
7.3.290.0100.00516.22
7.3.280.0060.00816.16
7.3.270.0120.00417.40
7.3.260.0040.01916.21
7.3.250.0060.01316.37
7.3.240.0090.00816.11
7.3.230.0130.01016.39
7.3.210.0120.00616.41
7.3.200.0120.00619.39
7.3.190.0040.01316.34
7.3.180.0090.00616.05
7.3.170.0160.00316.27
7.3.160.0130.00316.15
7.2.330.0120.00616.42
7.2.320.0090.00916.30
7.2.310.0070.01016.65
7.2.300.0130.00316.40
7.2.290.0150.00316.55
7.2.00.0030.01219.14
7.1.100.0000.01317.98
7.1.70.0000.00716.91
7.1.60.0110.01419.50
7.1.50.0070.00716.96
7.1.00.0070.07322.29
7.0.200.2520.01014.83
7.0.140.0000.07322.14
7.0.90.0170.08019.93
7.0.80.0470.04319.91
7.0.70.0030.05019.92
7.0.60.0070.05319.95
7.0.50.0100.08020.38
7.0.40.0130.08320.10
7.0.30.0100.08020.03
7.0.20.0070.08320.09
7.0.10.0200.05020.09
7.0.00.0070.08019.95
5.6.240.0300.05320.76
5.6.230.0070.08020.69
5.6.220.0130.06020.68
5.6.210.0100.07320.56
5.6.200.0200.06721.04
5.6.190.0070.08320.96
5.6.180.0130.06721.11
5.6.170.0070.08321.05
5.6.160.0130.05021.17
5.6.150.0000.08321.02
5.6.140.0100.08021.02
5.6.130.0000.06021.14
5.6.120.0100.07021.07
5.6.110.0130.08020.96
5.6.100.0200.06721.01
5.6.90.0100.05021.07
5.6.80.0070.04320.48
5.6.70.0200.03320.46
5.6.60.0100.07320.54
5.6.50.0070.08020.43
5.6.40.0100.08020.46
5.6.30.0030.07320.30
5.6.20.0130.04720.29
5.6.10.0070.08020.39
5.6.00.0070.04720.38
5.5.380.0070.07020.45
5.5.370.0030.05020.56
5.5.360.0070.08020.36
5.5.350.0070.08720.47
5.5.340.0100.08020.82
5.5.330.0100.07320.89
5.5.320.0070.06020.89
5.5.310.0070.08320.84
5.5.300.0070.07320.82
5.5.290.0030.09020.83
5.5.280.0070.09020.88
5.5.270.0000.09020.89
5.5.260.0070.06020.77
5.5.250.0100.07720.68
5.5.240.0100.07720.15
5.5.230.0200.06719.98
5.5.220.0170.05720.20
5.5.210.0130.05020.25
5.5.200.0100.08020.27
5.5.190.0030.04720.13
5.5.180.0070.07320.24
5.5.160.0100.06020.20
5.5.150.0130.07720.13
5.5.140.0070.07320.13
5.5.130.0100.04020.14
5.5.120.0070.07720.18
5.5.110.0030.04320.22
5.5.100.0130.04320.10
5.5.90.0030.04720.08
5.5.80.0170.06720.11
5.5.70.0070.07720.15
5.5.60.0070.04020.05
5.5.50.0100.03320.00
5.5.40.0000.05320.05
5.5.30.0030.08320.02
5.5.20.0130.07319.95
5.5.10.0170.07019.98
5.5.00.0130.07320.13
5.4.450.0130.07719.25
5.4.440.0070.07019.46
5.4.430.0070.05319.41
5.4.420.0070.06019.50
5.4.410.0070.07319.43
5.4.400.0100.07319.04
5.4.390.0100.07318.95
5.4.380.0200.05719.25
5.4.370.0070.07319.04
5.4.360.0070.07319.13
5.4.350.0070.08319.13
5.4.340.0000.08719.04
5.4.320.0070.04319.04
5.4.310.0130.06719.09
5.4.300.0000.08018.89
5.4.290.0030.05318.84
5.4.280.0070.04719.23
5.4.270.0130.06319.09
5.4.260.0070.04018.84
5.4.250.0070.05018.89
5.4.240.0070.06319.09
5.4.230.0000.07019.01
5.4.220.0070.05019.21
5.4.210.0000.04019.02
5.4.200.0030.07319.08
5.4.190.0100.04319.14
5.4.180.0070.05019.03
5.4.170.0070.07719.04
5.4.160.0030.08319.02
5.4.150.0070.05719.06
5.4.140.0070.07316.37
5.4.130.0070.04716.14
5.4.120.0000.04016.36
5.4.110.0130.03716.42
5.4.100.0100.04016.41
5.4.90.0100.04716.50
5.4.80.0100.06716.46
5.4.70.0130.03316.47
5.4.60.0100.05016.30
5.4.50.0130.06716.46
5.4.40.0070.07316.47
5.4.30.0030.07316.30
5.4.20.0130.05316.40
5.4.10.0070.07716.36
5.4.00.0130.06315.82
5.3.290.0030.07014.59
5.3.280.0070.07714.52
5.3.270.0070.07314.59
5.3.260.0070.07314.70
5.3.250.0170.04714.66
5.3.240.0070.04714.54
5.3.230.0030.07014.52
5.3.220.0070.05714.55
5.3.210.0030.04714.67
5.3.200.0170.05314.54
5.3.190.0030.04314.52
5.3.180.0030.05014.67
5.3.170.0030.05314.48
5.3.160.0000.05014.62
5.3.150.0030.08014.62
5.3.140.0070.07014.66
5.3.130.0070.07714.67
5.3.120.0100.07314.66
5.3.110.0100.07314.52
5.3.100.0100.05014.07
5.3.90.0070.05314.05
5.3.80.0030.05014.08
5.3.70.0070.07714.00
5.3.60.0100.03714.00
5.3.50.0030.04013.93
5.3.40.0070.04313.95
5.3.30.0100.03013.81
5.3.20.0070.03313.70
5.3.10.0030.04013.55
5.3.00.0030.03713.53
5.2.170.0000.05311.20
5.2.160.0000.04311.20
5.2.150.0000.03311.19
5.2.140.0000.03711.18
5.2.130.0000.03011.13
5.2.120.0100.03011.20
5.2.110.0030.03011.08
5.2.100.0030.02711.23
5.2.90.0070.02311.11
5.2.80.0100.02011.23
5.2.70.0030.02711.02
5.2.60.0000.03011.19
5.2.50.0030.03011.07
5.2.40.0000.02711.12
5.2.30.0000.03011.00
5.2.20.0000.02711.05
5.2.10.0000.03010.91
5.2.00.0030.02310.71
5.1.60.0030.0209.99
5.1.50.0000.04010.01
5.1.40.0000.0279.82
5.1.30.0030.02710.39
5.1.20.0030.02010.26
5.1.10.0070.03710.02
5.1.00.0000.02710.18
5.0.50.0000.0438.63
5.0.40.0030.0178.49
5.0.30.0030.0238.21
5.0.20.0000.0178.29
5.0.10.0000.0178.25
5.0.00.0030.0278.14
4.4.90.0000.0177.34
4.4.80.0000.0177.34
4.4.70.0000.0207.34
4.4.60.0000.0177.34
4.4.50.0030.0137.34
4.4.40.0000.0407.34
4.4.30.0000.0137.34
4.4.20.0000.0177.34
4.4.10.0000.0177.34
4.4.00.0030.0207.34
4.3.110.0030.0137.34
4.3.100.0000.0137.34
4.3.90.0030.0137.34
4.3.80.0000.0207.34
4.3.70.0000.0137.34
4.3.60.0000.0137.34
4.3.50.0030.0137.34
4.3.40.0030.0207.34
4.3.30.0030.0277.34
4.3.20.0000.0207.34
4.3.10.0000.0137.34
4.3.00.0030.0137.34

preferences:
50.42 ms | 400 KiB | 5 Q