3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(json_encode('http://php.net/foo/bar'));

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)
8.3.60.0070.00716.50
8.3.50.0090.00722.99
8.3.40.0040.01118.45
8.3.30.0070.01018.79
8.3.20.0080.00020.18
8.3.10.0040.01123.65
8.3.00.0080.00019.26
8.2.180.0110.00316.38
8.2.170.0080.00822.96
8.2.160.0110.00420.29
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0040.00426.16
8.2.120.0040.00421.02
8.2.110.0030.00720.35
8.2.100.0000.01117.59
8.2.90.0000.00818.93
8.2.80.0060.00317.97
8.2.70.0040.00417.38
8.2.60.0060.00617.80
8.2.50.0040.00418.10
8.2.40.0000.00720.59
8.2.30.0070.00019.11
8.2.20.0060.00317.50
8.2.10.0020.00517.87
8.2.00.0000.00717.53
8.1.280.0120.00325.92
8.1.270.0000.00923.96
8.1.260.0120.00026.35
8.1.250.0040.00428.09
8.1.240.0000.01022.00
8.1.230.0040.00717.82
8.1.220.0040.00417.74
8.1.210.0090.00018.77
8.1.200.0040.00417.22
8.1.190.0000.00817.10
8.1.180.0040.00418.10
8.1.170.0060.00318.59
8.1.160.0040.00418.73
8.1.150.0040.00419.96
8.1.140.0050.00217.35
8.1.130.0000.00717.30
8.1.120.0030.00617.35
8.1.110.0030.00517.34
8.1.100.0040.00417.20
8.1.90.0070.00017.39
8.1.80.0070.00317.29
8.1.70.0030.00317.33
8.1.60.0000.00917.43
8.1.50.0000.00717.39
8.1.40.0050.00317.40
8.1.30.0040.00417.48
8.1.20.0030.00617.56
8.1.10.0050.00317.28
8.1.00.0070.00017.20
8.0.300.0040.00418.77
8.0.290.0040.00416.58
8.0.280.0030.00318.35
8.0.270.0030.00317.07
8.0.260.0070.00016.71
8.0.250.0030.00316.85
8.0.240.0000.00616.79
8.0.230.0030.00316.82
8.0.220.0000.00716.75
8.0.210.0000.00616.73
8.0.200.0000.00616.72
8.0.190.0030.00716.81
8.0.180.0070.00016.67
8.0.170.0040.00416.77
8.0.160.0000.00716.87
8.0.150.0020.00516.73
8.0.140.0070.00016.74
8.0.130.0000.00513.22
8.0.120.0030.00616.68
8.0.110.0040.00416.69
8.0.100.0000.00716.55
8.0.90.0030.00316.87
8.0.80.0060.00916.68
8.0.70.0040.00416.75
8.0.60.0000.00716.86
8.0.50.0000.00716.79
8.0.30.0150.00516.82
8.0.20.0100.01117.40
8.0.10.0070.00016.88
8.0.00.0130.01016.62
7.4.330.0000.00515.00
7.4.320.0000.00716.36
7.4.300.0030.00316.50
7.4.290.0030.00316.41
7.4.280.0000.00716.46
7.4.270.0070.00016.34
7.4.260.0070.00016.47
7.4.250.0040.00416.23
7.4.240.0050.00216.42
7.4.230.0030.00316.22
7.4.220.0150.00316.49
7.4.210.0030.01016.41
7.4.200.0040.00416.46
7.4.160.0030.01416.28
7.4.150.0090.00917.40
7.4.140.0120.00517.86
7.4.130.0060.01416.33
7.4.120.0110.00716.49
7.4.110.0030.01416.24
7.4.100.0030.01316.14
7.4.90.0100.01016.31
7.4.80.0100.00719.39
7.4.70.0100.01016.30
7.4.60.0090.00916.46
7.4.50.0000.00816.43
7.4.40.0060.01016.19
7.4.30.0130.00616.46
7.4.00.0060.00915.08
7.3.330.0020.00213.04
7.3.320.0000.00512.98
7.3.310.0060.00016.09
7.3.300.0070.00016.11
7.3.290.0140.00016.08
7.3.280.0050.01216.17
7.3.270.0120.00917.40
7.3.260.0090.01516.13
7.3.250.0080.01016.19
7.3.240.0200.00616.24
7.3.230.0160.00016.39
7.3.210.0030.01416.02
7.3.200.0120.00619.39
7.3.190.0120.00816.04
7.3.180.0190.00316.33
7.3.170.0090.00616.38
7.3.160.0100.00716.28
7.2.330.0100.00716.37
7.2.320.0160.00016.14
7.2.310.0070.01716.59
7.2.300.0070.01016.30
7.2.290.0090.00616.48
7.2.60.0100.00316.74
7.2.00.0030.00718.99
7.1.200.0000.01315.47
7.1.100.0110.00718.07
7.1.70.0090.00317.19
7.1.60.0070.01719.40
7.1.50.0040.01416.69
7.1.00.0000.09322.46
7.0.200.0050.00316.39
7.0.140.0130.06322.04
7.0.90.0330.07719.91
7.0.80.0170.06719.92
7.0.70.0000.08319.94
7.0.60.0100.07019.91
7.0.50.0600.03720.29
7.0.40.0130.08020.18
7.0.30.0130.08320.18
7.0.20.0130.07020.13
7.0.10.0100.04320.14
7.0.00.0070.10020.14
5.6.280.0100.06720.88
5.6.240.0100.07020.57
5.6.230.0030.08020.60
5.6.220.0130.04020.57
5.6.210.0070.06320.55
5.6.200.0130.05721.13
5.6.190.0070.09021.13
5.6.180.0070.04721.01
5.6.170.0070.08020.95
5.6.160.0070.06020.95
5.6.150.0100.04721.03
5.6.140.0070.08321.05
5.6.130.0200.06721.08
5.6.120.0030.08320.95
5.6.110.0070.08721.00
5.6.100.0130.07321.03
5.6.90.0030.06720.98
5.6.80.0030.08320.43
5.6.70.0070.08720.39
5.6.60.0070.08020.30
5.6.50.0070.07720.49
5.6.40.0070.07720.37
5.6.30.0030.08320.29
5.6.20.0070.06720.52
5.6.10.0200.04020.45
5.6.00.0130.07320.41
5.5.380.0070.06020.55
5.5.370.0030.08320.45
5.5.360.0130.04020.50
5.5.350.0100.07320.32
5.5.340.0070.08320.71
5.5.330.0170.07020.82
5.5.320.0130.03320.79
5.5.310.0000.08720.75
5.5.300.0030.05020.91
5.5.290.0030.05720.75
5.5.280.0230.06320.63
5.5.270.0100.08320.87
5.5.260.0070.07320.78
5.5.250.0070.07720.63
5.5.240.0170.06720.30
5.5.230.0170.07020.01
5.5.220.0130.05720.29
5.5.210.0170.03720.01
5.5.200.0100.07319.98
5.5.190.0030.08320.13
5.5.180.0100.07320.17
5.5.160.0100.05320.24
5.5.150.0030.07720.13
5.5.140.0200.06720.17
5.5.130.0130.05320.14
5.5.120.0100.03720.12
5.5.110.0170.07020.09
5.5.100.0030.08320.16
5.5.90.0100.07020.05
5.5.80.0130.06320.00
5.5.70.0070.07720.05
5.5.60.0100.06019.91
5.5.50.0070.05020.05
5.5.40.0070.04320.14
5.5.30.0100.06319.90
5.5.20.0070.03720.07
5.5.10.0070.07720.04
5.5.00.0230.06720.05
5.4.450.0070.07719.37
5.4.440.0130.04019.43
5.4.430.0100.07319.39
5.4.420.0100.07319.22
5.4.410.0130.07318.98
5.4.400.0170.06719.03
5.4.390.0070.07719.07
5.4.380.0130.06319.12
5.4.370.0100.03718.81
5.4.360.0170.06718.94
5.4.350.0070.07318.81
5.4.340.0070.05319.03
5.4.320.0070.04318.75
5.4.310.0070.06719.10
5.4.300.0070.07018.81
5.4.290.0100.07318.96
5.4.280.0130.06318.98
5.4.270.0200.06719.05
5.4.260.0100.06318.90
5.4.250.0030.04319.10
5.4.240.0070.04018.98
5.4.230.0130.05319.12
5.4.220.0070.04018.97
5.4.210.0100.06719.02
5.4.200.0170.07718.97
5.4.190.0100.06319.13
5.4.180.0000.07319.02
5.4.170.0100.03719.09
5.4.160.0070.06019.20
5.4.150.0130.07719.01
5.4.140.0070.07016.32
5.4.130.0070.06016.23
5.4.120.0030.07016.21
5.4.110.0100.07016.21
5.4.100.0170.05316.42
5.4.90.0070.08316.22
5.4.80.0000.07716.40
5.4.70.0070.03716.29
5.4.60.0030.03716.35
5.4.50.0070.03316.30
5.4.40.0070.03716.32
5.4.30.0030.03716.30
5.4.20.0000.04016.15
5.4.10.0070.03716.33
5.4.00.0030.03715.66
5.3.290.0070.03714.61
5.3.280.0030.04314.50
5.3.270.0100.06714.46
5.3.260.0100.06714.61
5.3.250.0030.05314.54
5.3.240.0100.07314.43
5.3.230.0030.06714.58
5.3.220.0030.04014.57
5.3.210.0000.05714.43
5.3.200.0230.06014.55
5.3.190.0100.06714.46
5.3.180.0200.04314.54
5.3.170.0000.07014.44
5.3.160.0030.03714.55
5.3.150.0070.04314.41
5.3.140.0070.03714.49
5.3.130.0030.04014.42
5.3.120.0000.04314.36
5.3.110.0000.04014.41
5.3.100.0000.04013.89
5.3.90.0000.04013.87
5.3.80.0000.03314.00
5.3.70.0030.03714.01
5.3.60.0070.04013.86
5.3.50.0030.03713.79
5.3.40.0070.04013.80
5.3.30.0030.03313.86
5.3.20.0000.05713.64
5.3.10.0000.03313.66
5.3.00.0070.06313.40
5.2.170.0000.03311.17
5.2.160.0100.02011.13
5.2.150.0030.02310.98
5.2.140.0000.03310.95
5.2.130.0030.02311.09
5.2.120.0070.02311.04
5.2.110.0030.02711.16
5.2.100.0100.05711.05
5.2.90.0070.05011.09
5.2.80.0030.02310.97
5.2.70.0070.05011.01
5.2.60.0070.06010.90
5.2.50.0000.06711.00
5.2.40.0030.04310.94
5.2.30.0000.04310.91
5.2.20.0030.02710.82
5.2.10.0030.03310.91
5.2.00.0000.03010.72
5.1.60.0070.01710.01
5.1.50.0030.02310.02
5.1.40.0000.0239.96
5.1.30.0000.03010.41
5.1.20.0030.02710.29
5.1.10.0070.0409.94
5.1.00.0000.03010.13
5.0.50.0000.0238.38
5.0.40.0000.0208.27
5.0.30.0000.0308.25
5.0.20.0000.0208.30
5.0.10.0000.0208.14
5.0.00.0030.0308.02
4.4.90.0000.0278.02
4.4.80.0000.0408.02
4.4.70.0000.0238.02
4.4.60.0030.0138.02
4.4.50.0000.0208.02
4.4.40.0000.0208.02
4.4.30.0030.0138.02
4.4.20.0030.0108.02
4.4.10.0070.0078.02
4.4.00.0000.0278.02
4.3.110.0000.0138.02
4.3.100.0030.0108.02
4.3.90.0000.0178.02
4.3.80.0000.0278.02
4.3.70.0000.0178.02
4.3.60.0070.0108.02
4.3.50.0030.0138.02
4.3.40.0000.0338.02
4.3.30.0000.0178.02
4.3.20.0000.0178.02
4.3.10.0000.0178.02
4.3.00.0030.0138.02

preferences:
48.95 ms | 401 KiB | 5 Q