3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(json_encode(array())); var_dump(json_encode(new stdClass)); var_dump(json_encode(array('foo', 'bar', 'baz'))); var_dump(json_encode(array('foo' => 'bar', 'baz'))); var_dump(json_encode(array('foo' => 'bar', 'baz' => 'bak')));

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)
8.3.40.0070.00718.69
8.3.30.0150.00318.96
8.3.20.0060.00320.21
8.3.10.0080.00020.14
8.3.00.0030.00519.13
8.2.170.0140.00322.96
8.2.160.0110.00420.35
8.2.150.0030.00724.18
8.2.140.0000.00824.66
8.2.130.0000.00726.16
8.2.120.0000.00722.23
8.2.110.0090.00020.35
8.2.100.0090.00317.91
8.2.90.0000.00919.11
8.2.80.0080.00017.97
8.2.70.0100.00017.38
8.2.60.0000.00817.80
8.2.50.0040.00418.07
8.2.40.0000.00818.07
8.2.30.0040.00419.28
8.2.20.0000.00717.45
8.2.10.0000.00817.81
8.2.00.0000.00717.48
8.1.270.0030.00623.84
8.1.260.0000.00826.35
8.1.250.0070.00028.09
8.1.240.0040.00423.91
8.1.230.0040.00719.02
8.1.220.0070.00017.74
8.1.210.0000.00818.77
8.1.200.0030.00617.23
8.1.190.0040.00416.97
8.1.180.0000.00718.10
8.1.170.0040.00418.46
8.1.160.0040.00421.87
8.1.150.0050.00318.64
8.1.140.0000.01017.32
8.1.130.0030.00317.76
8.1.120.0000.00717.36
8.1.110.0070.00017.40
8.1.100.0070.00017.37
8.1.90.0080.00017.27
8.1.80.0040.00417.27
8.1.70.0000.00717.27
8.1.60.0030.00517.45
8.1.50.0050.00217.27
8.1.40.0000.00817.44
8.1.30.0050.00317.37
8.1.20.0050.00317.50
8.1.10.0000.00717.32
8.1.00.0000.00717.38
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0050.00318.34
8.0.270.0030.00317.11
8.0.260.0000.00618.25
8.0.250.0030.00316.85
8.0.240.0030.00316.90
8.0.230.0000.00716.82
8.0.220.0070.00016.69
8.0.210.0070.00016.68
8.0.200.0040.00416.71
8.0.190.0000.00716.81
8.0.180.0050.00316.77
8.0.170.0020.00516.69
8.0.160.0040.00416.60
8.0.150.0000.00816.72
8.0.140.0040.00416.69
8.0.130.0060.00313.19
8.0.120.0090.00016.62
8.0.110.0000.00716.64
8.0.100.0040.00416.84
8.0.90.0000.00716.63
8.0.80.0070.00716.71
8.0.70.0030.00516.55
8.0.60.0070.00016.70
8.0.50.0040.00416.59
8.0.30.0140.00517.10
8.0.20.0090.01017.40
8.0.10.0040.00416.87
8.0.00.0090.00916.64
7.4.330.0000.00515.00
7.4.320.0000.00616.38
7.4.300.0060.00016.32
7.4.290.0070.00016.49
7.4.280.0100.00016.47
7.4.270.0000.00716.52
7.4.260.0030.00316.35
7.4.250.0000.00816.42
7.4.240.0020.00616.38
7.4.230.0070.00016.55
7.4.220.0130.00716.41
7.4.210.0070.00716.58
7.4.200.0040.00416.26
7.4.160.0140.01016.36
7.4.150.0110.00717.40
7.4.140.0090.00817.86
7.4.130.0070.01216.41
7.4.120.0120.00716.34
7.4.110.0080.00816.29
7.4.100.0090.01216.40
7.4.90.0030.01616.37
7.4.80.0070.01018.80
7.4.70.0080.00816.46
7.4.60.0070.00916.41
7.4.50.0080.00016.10
7.4.40.0060.01216.44
7.4.30.0090.00616.45
7.4.00.0050.01314.77
7.3.330.0000.00612.82
7.3.320.0060.00013.03
7.3.310.0030.00616.20
7.3.300.0030.00316.10
7.3.290.0100.00716.08
7.3.280.0070.01016.15
7.3.270.0090.00917.40
7.3.260.0060.01216.22
7.3.250.0090.00916.43
7.3.240.0170.00316.40
7.3.230.0180.00016.39
7.3.210.0080.00816.33
7.3.200.0070.01319.39
7.3.190.0120.01116.32
7.3.180.0140.00316.13
7.3.170.0060.01016.27
7.3.160.0130.00316.29
7.3.120.0100.00714.77
7.3.110.0040.01414.64
7.3.100.0050.00814.68
7.3.90.0080.00714.58
7.3.80.0040.01314.44
7.3.70.0080.00814.76
7.3.60.0020.01114.62
7.3.50.0030.01114.39
7.3.40.0110.00514.55
7.3.30.0060.01014.55
7.3.20.0060.00616.48
7.3.10.0030.01416.40
7.3.00.0110.00316.59
7.2.330.0030.01416.45
7.2.320.0060.01816.23
7.2.310.0080.01116.51
7.2.300.0110.00616.43
7.2.290.0090.00616.52
7.2.250.0090.00315.07
7.2.240.0050.01414.64
7.2.230.0080.00814.94
7.2.220.0050.01414.93
7.2.210.0070.00714.95
7.2.200.0080.00714.64
7.2.190.0080.00614.70
7.2.180.0140.00414.68
7.2.170.0110.00614.83
7.2.160.0060.00314.59
7.2.150.0070.01116.63
7.2.140.0120.00416.55
7.2.130.0070.00716.52
7.2.120.0090.00916.75
7.2.110.0100.00316.54
7.2.100.0030.00916.69
7.2.90.0120.00316.72
7.2.80.0070.01016.70
7.2.70.0140.00316.53
7.2.60.0060.00916.40
7.2.50.0080.00416.82
7.2.40.0040.01116.73
7.2.30.0070.00716.79
7.2.20.0030.01316.31
7.2.10.0030.01016.74
7.2.00.0040.00716.38
7.1.330.0080.00715.69
7.1.320.0070.00715.65
7.1.310.0050.01015.68
7.1.300.0050.00715.66
7.1.290.0110.00115.61
7.1.280.0070.01015.56
7.1.270.0030.01015.48
7.1.260.0020.01015.72
7.1.250.0060.01015.45
7.1.200.0120.00315.68
7.1.70.0050.00316.83
7.1.60.0120.01219.32
7.1.50.0070.01416.89
7.1.00.0070.07322.28
7.0.200.0000.00916.54
7.0.140.0000.07322.12
7.0.90.0130.07721.70
7.0.80.0070.07721.82
7.0.70.0130.07321.66
7.0.60.0030.05021.73
7.0.50.0130.08022.02
7.0.40.0300.06020.11
7.0.30.0130.08020.13
7.0.20.0000.05320.11
7.0.10.0100.07320.09
7.0.00.0000.08720.08
5.6.280.0000.07721.10
5.6.240.0070.08020.64
5.6.230.0000.07320.59
5.6.220.0200.05720.49
5.6.210.0130.04020.46
5.6.200.0000.08021.06
5.6.190.0030.08321.10
5.6.180.0030.09021.02
5.6.170.0070.08321.10
5.6.160.0070.08321.04
5.6.150.0070.08320.92
5.6.140.0030.04321.11
5.6.130.0070.05321.00
5.6.120.0030.08720.99
5.6.110.0070.04721.09
5.6.100.0100.04721.00
5.6.90.0100.04320.99
5.6.80.0100.07720.44
5.6.70.0070.07720.48
5.6.60.0070.04720.44
5.6.50.0030.08320.36
5.6.40.0170.06720.31
5.6.30.0100.07020.45
5.6.20.0100.07720.28
5.6.10.0070.07720.37
5.6.00.0070.07020.42
5.5.380.0100.04320.32
5.5.370.0100.07320.56
5.5.360.0130.04720.50
5.5.350.0070.08320.44
5.5.340.0130.07320.62
5.5.330.0030.08320.86
5.5.320.0070.07720.73
5.5.310.0100.08020.79
5.5.300.0070.04320.79
5.5.290.0100.08020.78
5.5.280.0130.07020.91
5.5.270.0070.05020.71
5.5.260.0100.07320.87
5.5.250.0070.04320.61
5.5.240.0100.04020.20
5.5.230.0100.08020.29
5.5.220.0130.07320.25
5.5.210.0070.07720.17
5.5.200.0070.08020.22
5.5.190.0130.06720.11
5.5.180.0030.05020.07
5.5.160.0170.04020.12
5.5.150.0030.07320.24
5.5.140.0100.07320.20
5.5.130.0070.08020.21
5.5.120.0170.06720.20
5.5.110.0100.07720.22
5.5.100.0070.08320.07
5.5.90.0030.07720.16
5.5.80.0030.07720.07
5.5.70.0070.08020.16
5.5.60.0130.05719.95
5.5.50.0100.07320.05
5.5.40.0100.07320.05
5.5.30.0070.07320.07
5.5.20.0130.05720.07
5.5.10.0070.07719.96
5.5.00.0070.06720.05
5.4.450.0070.06019.36
5.4.440.0130.07719.42
5.4.430.0170.06019.22
5.4.420.0100.07719.55
5.4.410.0030.07718.98
5.4.400.0000.08018.96
5.4.390.0130.06319.10
5.4.380.0070.07018.78
5.4.370.0100.07018.95
5.4.360.0070.04719.06
5.4.350.0070.07719.09
5.4.340.0130.07319.03
5.4.320.0170.06318.78
5.4.310.0000.08319.04
5.4.300.0030.07719.04
5.4.290.0070.07719.05
5.4.280.0030.04718.90
5.4.270.0070.08019.07
5.4.260.0070.07719.11
5.4.250.0030.08018.95
5.4.240.0070.06319.05
5.4.230.0030.07319.22
5.4.220.0100.07718.95
5.4.210.0070.05318.95
5.4.200.0170.07019.00
5.4.190.0000.05719.06
5.4.180.0070.05319.04
5.4.170.0070.05318.98
5.4.160.0130.07019.21
5.4.150.0030.08019.11
5.4.140.0000.04316.23
5.4.130.0130.06716.31
5.4.120.0030.06016.32
5.4.110.0070.07316.42
5.4.100.0070.05716.16
5.4.90.0100.07016.44
5.4.80.0030.07016.20
5.4.70.0100.06316.33
5.4.60.0070.06316.34
5.4.50.0070.07016.28
5.4.40.0030.04316.36
5.4.30.0070.03316.27
5.4.20.0070.07016.23
5.4.10.0030.04316.32
5.4.00.0030.07015.75
5.3.290.0070.07714.47
5.3.280.0070.05314.45
5.3.270.0070.07314.60
5.3.260.0030.08014.61
5.3.250.0000.05014.59
5.3.240.0000.08014.42
5.3.230.0030.07714.55
5.3.220.0070.07314.55
5.3.210.0070.07014.43
5.3.200.0170.06714.56
5.3.190.0130.06014.40
5.3.180.0000.06314.50
5.3.170.0030.07314.51
5.3.160.0030.08014.38
5.3.150.0030.07014.47
5.3.140.0100.07314.52
5.3.130.0030.04314.51
5.3.120.0030.04014.54
5.3.110.0070.08014.41
5.3.100.0100.04314.02
5.3.90.0030.07713.85
5.3.80.0000.08013.77
5.3.70.0070.06313.77
5.3.60.0100.06313.99
5.3.50.0030.06313.91
5.3.40.0100.07013.93
5.3.30.0130.07013.86
5.3.20.0070.03713.65
5.3.10.0070.06013.50
5.3.00.0030.04013.59
5.2.170.0100.06010.99
5.2.160.0070.05711.00
5.2.150.0130.05311.13
5.2.140.0070.06010.98
5.2.130.0100.02311.08
5.2.120.0070.05711.13
5.2.110.0100.05311.15
5.2.100.0030.03010.94
5.2.90.0170.04710.96
5.2.80.0030.03011.15
5.2.70.0030.06711.13
5.2.60.0000.06711.10
5.2.50.0100.05310.86
5.2.40.0000.04710.99
5.2.30.0070.02710.96
5.2.20.0030.03010.82
5.2.10.0000.04710.94
5.2.00.0030.06310.66
5.1.60.0100.0409.98
5.1.50.0030.04710.00
5.1.40.0030.0279.96
5.1.30.0030.02710.38
5.1.20.0000.02710.39
5.1.10.0030.02710.11
5.1.00.0070.0579.89
5.0.50.0030.0378.62
5.0.40.0030.0178.28
5.0.30.0030.0308.21
5.0.20.0030.0208.04
5.0.10.0000.0208.24
5.0.00.0030.0308.01
4.4.90.0000.0377.24
4.4.80.0030.0337.24
4.4.70.0000.0377.24
4.4.60.0070.0307.24
4.4.50.0000.0337.24
4.4.40.0030.0477.24
4.4.30.0000.0277.24
4.4.20.0030.0277.24
4.4.10.0000.0277.24
4.4.00.0000.0277.24
4.3.110.0000.0177.24
4.3.100.0070.0137.24
4.3.90.0000.0177.24
4.3.80.0030.0237.24
4.3.70.0000.0137.24
4.3.60.0000.0137.24
4.3.50.0000.0237.24
4.3.40.0030.0177.24
4.3.30.0030.0107.24
4.3.20.0030.0137.24
4.3.10.0000.0177.24
4.3.00.0000.0177.24

preferences:
45.8 ms | 400 KiB | 5 Q