3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo{ public $data = array('foo'); } $foo = new Foo; $json = json_encode($foo); var_dump($foo, $json, json_decode($json));

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)
8.3.60.0040.01118.18
8.3.50.0120.00821.95
8.3.40.0110.00418.50
8.3.30.0110.00418.92
8.3.20.0040.00419.98
8.3.10.0030.00622.07
8.3.00.0040.00422.29
8.2.180.0150.00616.75
8.2.170.0070.00722.96
8.2.160.0110.01120.94
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0000.00826.16
8.2.120.0050.00319.36
8.2.110.0030.00620.92
8.2.100.0100.00317.91
8.2.90.0040.00418.13
8.2.80.0070.00418.09
8.2.70.0000.00917.50
8.2.60.0040.00417.50
8.2.50.0030.00517.55
8.2.40.0040.00419.23
8.2.30.0000.00717.51
8.2.20.0040.00417.48
8.2.10.0040.00417.61
8.2.00.0060.00317.48
8.1.280.0100.00325.92
8.1.270.0030.00523.84
8.1.260.0040.00426.35
8.1.250.0080.00628.09
8.1.240.0070.00421.91
8.1.230.0090.00322.55
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0040.00417.23
8.1.190.0030.00517.10
8.1.180.0040.00418.10
8.1.170.0030.00518.78
8.1.160.0030.00518.85
8.1.150.0040.00418.49
8.1.140.0000.00817.29
8.1.130.0040.00417.87
8.1.120.0030.00317.32
8.1.110.0040.00417.26
8.1.100.0040.00817.22
8.1.90.0040.00417.33
8.1.80.0030.00517.43
8.1.70.0030.00317.40
8.1.60.0070.00017.56
8.1.50.0040.00417.43
8.1.40.0050.00217.34
8.1.30.0000.00817.59
8.1.20.0050.00317.51
8.1.10.0040.00417.54
8.1.00.0040.00417.27
8.0.300.0060.00319.90
8.0.290.0060.00316.58
8.0.280.0030.00317.93
8.0.270.0040.00417.97
8.0.260.0000.00716.62
8.0.250.0040.00416.79
8.0.240.0040.00416.86
8.0.230.0000.00716.88
8.0.220.0030.00316.81
8.0.210.0000.00716.75
8.0.200.0060.00016.89
8.0.190.0000.00816.85
8.0.180.0040.00416.86
8.0.170.0080.00016.82
8.0.160.0060.00316.86
8.0.150.0000.00816.66
8.0.140.0040.00416.75
8.0.130.0000.00613.29
8.0.120.0060.00316.87
8.0.110.0000.00716.82
8.0.100.0000.00816.80
8.0.90.0040.00416.88
8.0.80.0060.00916.80
8.0.70.0040.00416.66
8.0.60.0000.00716.82
8.0.50.0040.00416.65
8.0.30.0150.00416.97
8.0.20.0070.01117.40
8.0.10.0040.00416.88
8.0.00.0050.01316.71
7.4.330.0000.00515.02
7.4.320.0000.00616.57
7.4.300.0000.00716.46
7.4.290.0070.00016.45
7.4.280.0030.00616.40
7.4.270.0000.00816.45
7.4.260.0030.00316.27
7.4.250.0000.00716.40
7.4.240.0010.00616.48
7.4.230.0030.00316.60
7.4.220.0140.00416.53
7.4.210.0070.00816.47
7.4.200.0030.00316.32
7.4.190.0040.00416.64
7.4.160.0100.00616.50
7.4.150.0070.01017.40
7.4.140.0070.01117.86
7.4.130.0090.00916.41
7.4.120.0090.00816.49
7.4.110.0030.01916.54
7.4.100.0180.00616.26
7.4.90.0040.01416.36
7.4.80.0060.01216.10
7.4.70.0060.01516.39
7.4.60.0040.01116.50
7.4.50.0090.00016.21
7.4.40.0100.00722.77
7.4.30.0110.00616.45
7.4.00.0030.01414.80
7.3.330.0000.00612.90
7.3.320.0000.00613.15
7.3.310.0030.00316.33
7.3.300.0030.00316.16
7.3.290.0100.01016.13
7.3.280.0070.00816.18
7.3.270.0150.00317.40
7.3.260.0170.00916.23
7.3.250.0150.00616.51
7.3.240.0130.01016.34
7.3.230.0100.00716.39
7.3.210.0070.01116.21
7.3.200.0100.00719.39
7.3.190.0060.01516.20
7.3.180.0100.00715.97
7.3.170.0030.01216.45
7.3.160.0120.00416.35
7.3.120.0110.00314.80
7.2.330.0090.00916.46
7.2.320.0090.00916.31
7.2.310.0130.00316.66
7.2.300.0090.00916.27
7.2.290.0100.00716.37
7.2.60.0030.00916.81
7.1.200.0090.00615.82
7.1.70.0040.00416.82
7.1.60.0110.01119.82
7.1.50.0130.01016.66
7.1.00.0070.07322.36
7.0.200.0100.00316.81
7.0.140.0070.06722.02
7.0.90.0470.04719.86
7.0.80.0130.08719.95
7.0.70.0470.04719.95
7.0.60.0530.08319.78
7.0.50.0500.08320.29
7.0.40.0030.09020.03
7.0.30.0070.08020.13
7.0.20.0070.08020.13
7.0.10.0100.07720.10
7.0.00.0000.04720.04
5.6.280.0070.06720.85
5.6.240.0130.05720.63
5.6.230.0100.08320.59
5.6.220.0030.08020.49
5.6.210.0030.06020.75
5.6.200.0070.08020.99
5.6.190.0030.05321.02
5.6.180.0030.07321.09
5.6.170.0070.05720.99
5.6.160.0130.07021.10
5.6.150.0100.08020.94
5.6.140.0030.05020.95
5.6.130.0100.07321.02
5.6.120.0100.08321.16
5.6.110.0130.08021.04
5.6.100.0200.06721.00
5.6.90.0070.07720.95
5.6.80.0100.05320.46
5.6.70.0030.04320.47
5.6.60.0070.06320.38
5.6.50.0070.05020.44
5.6.40.0200.03720.44
5.6.30.0100.05320.41
5.6.20.0070.04020.32
5.6.10.0100.04320.37
5.6.00.0000.07720.43
5.5.380.0170.07020.36
5.5.370.0030.05020.42
5.5.360.0030.08320.39
5.5.350.0100.07720.44
5.5.340.0070.07320.82
5.5.330.0030.04320.64
5.5.320.0070.04720.90
5.5.310.0030.07320.73
5.5.300.0100.08320.92
5.5.290.0030.08020.78
5.5.280.0030.04320.89
5.5.270.0170.06720.76
5.5.260.0130.08020.88
5.5.250.0070.05320.63
5.5.240.0070.08020.18
5.5.230.0100.06320.13
5.5.220.0070.05720.13
5.5.210.0100.04320.17
5.5.200.0000.08020.21
5.5.190.0030.04720.23
5.5.180.0070.07719.98
5.5.160.0000.08720.23
5.5.150.0070.04720.25
5.5.140.0070.05320.25
5.5.130.0030.08720.18
5.5.120.0100.07020.11
5.5.110.0030.04020.25
5.5.100.0070.07020.09
5.5.90.0130.07720.16
5.5.80.0070.06720.12
5.5.70.0100.04720.16
5.5.60.0030.05319.93
5.5.50.0030.05020.06
5.5.40.0070.08020.03
5.5.30.0100.07720.18
5.5.20.0070.07720.10
5.5.10.0100.07320.03
5.5.00.0070.06020.12
5.4.450.0100.04719.36
5.4.440.0200.05719.56
5.4.430.0030.05019.44
5.4.420.0100.07719.46
5.4.410.0070.08319.22
5.4.400.0030.06719.05
5.4.390.0030.06319.05
5.4.380.0100.05719.16
5.4.370.0070.07019.13
5.4.360.0100.07719.09
5.4.350.0100.05719.03
5.4.340.0030.04719.09
5.4.320.0030.05319.04
5.4.310.0070.07719.18
5.4.300.0070.06018.91
5.4.290.0100.06318.84
5.4.280.0070.06019.22
5.4.270.0070.03719.13
5.4.260.0030.09319.12
5.4.250.0070.05319.13
5.4.240.0100.06719.22
5.4.230.0100.07018.87
5.4.220.0030.04719.13
5.4.210.0130.06019.04
5.4.200.0230.05319.11
5.4.190.0000.05719.14
5.4.180.0130.03719.08
5.4.170.0070.08019.02
5.4.160.0070.07019.14
5.4.150.0100.07019.10
5.4.140.0070.07716.14
5.4.130.0130.05016.39
5.4.120.0070.07316.40
5.4.110.0100.07716.52
5.4.100.0030.07016.27
5.4.90.0070.06316.32
5.4.80.0000.04316.41
5.4.70.0000.04716.43
5.4.60.0070.05016.45
5.4.50.0070.03316.32
5.4.40.0030.04316.54
5.4.30.0030.03716.36
5.4.20.0030.04316.24
5.4.10.0070.05316.36
5.4.00.0070.03315.74
5.3.290.0100.08314.72
5.3.280.0030.07014.66
5.3.270.0030.07714.55
5.3.260.0000.04714.66
5.3.250.0070.04314.71
5.3.240.0070.06014.66
5.3.230.0030.08014.71
5.3.220.0130.04014.54
5.3.210.0070.07714.66
5.3.200.0130.07014.66
5.3.190.0030.05714.70
5.3.180.0030.04714.54
5.3.170.0130.03014.66
5.3.160.0070.05014.55
5.3.150.0030.06714.49
5.3.140.0070.04014.48
5.3.130.0070.03314.65
5.3.120.0070.07014.66
5.3.110.0030.09014.57
5.3.100.0000.04014.14
5.3.90.0070.06714.02
5.3.80.0000.05314.02
5.3.70.0030.07714.00
5.3.60.0070.06713.92
5.3.50.0100.06713.94
5.3.40.0130.07013.84
5.3.30.0070.06013.89
5.3.20.0070.06713.75
5.3.10.0130.06313.70
5.3.00.0130.06313.72
5.2.170.0100.04711.24
5.2.160.0030.05711.20
5.2.150.0130.04711.02
5.2.140.0030.05711.18
5.2.130.0070.05011.22
5.2.120.0030.06311.09
5.2.110.0030.05311.10
5.2.100.0030.06711.03
5.2.90.0030.03711.00
5.2.80.0030.04011.10
5.2.70.0030.03711.22
5.2.60.0000.04011.15
5.2.50.0130.03010.91
5.2.40.0070.02310.92
5.2.30.0000.03310.89
5.2.20.0070.05711.01
5.2.10.0030.03710.88
5.2.00.0000.03310.63
5.1.60.0000.0239.85
5.1.50.0100.0209.98
5.1.40.0070.0279.80
5.1.30.0070.02710.45
5.1.20.0100.05310.46
5.1.10.0000.06010.02
5.1.00.0030.04010.12
5.0.50.0100.0278.57
5.0.40.0000.0478.39
5.0.30.0030.0678.32
5.0.20.0030.0438.29
5.0.10.0070.0378.23
5.0.00.0070.0538.00
4.4.90.0000.0207.60
4.4.80.0070.0137.60
4.4.70.0000.0177.60
4.4.60.0030.0137.60
4.4.50.0000.0177.60
4.4.40.0030.0507.60
4.4.30.0000.0277.60
4.4.20.0000.0277.60
4.4.10.0100.0277.60
4.4.00.0030.0277.60
4.3.110.0100.0307.60
4.3.100.0000.0377.60
4.3.90.0100.0307.60
4.3.80.0030.0477.60
4.3.70.0000.0177.60
4.3.60.0030.0237.60
4.3.50.0030.0137.60
4.3.40.0000.0277.60
4.3.30.0000.0177.60
4.3.20.0030.0137.60
4.3.10.0030.0137.60
4.3.00.0000.0207.60

preferences:
44.29 ms | 401 KiB | 5 Q