3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj = 1; $jsom=json_encode($obj); var_dump(json_decode($jsom));

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)
8.3.60.0040.01716.46
8.3.50.0300.00721.98
8.3.40.0120.00318.46
8.3.30.0070.00718.96
8.3.20.0000.00820.34
8.3.10.0060.00323.48
8.3.00.0040.00419.54
8.2.180.0070.01016.38
8.2.170.0000.01422.96
8.2.160.0070.01020.35
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0060.00326.16
8.2.120.0040.00420.94
8.2.110.0030.00622.23
8.2.100.0110.00017.91
8.2.90.0000.00919.09
8.2.80.0060.00317.97
8.2.70.0080.00017.63
8.2.60.0000.00817.79
8.2.50.0000.00918.07
8.2.40.0040.00418.03
8.2.30.0080.00018.18
8.2.20.0030.00617.50
8.2.10.0000.00717.98
8.2.00.0080.00017.58
8.1.280.0070.01325.92
8.1.270.0100.00024.02
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0060.00323.82
8.1.230.0040.00718.95
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0110.00017.22
8.1.190.0000.00817.23
8.1.180.0040.00418.10
8.1.170.0030.00518.52
8.1.160.0000.00721.85
8.1.150.0050.00318.80
8.1.140.0040.00417.38
8.1.130.0070.00017.81
8.1.120.0000.00717.40
8.1.110.0040.00417.36
8.1.100.0000.00717.45
8.1.90.0030.00317.27
8.1.80.0030.00317.27
8.1.70.0030.00317.34
8.1.60.0070.00017.39
8.1.50.0030.00617.45
8.1.40.0040.00417.41
8.1.30.0080.00017.50
8.1.20.0000.00717.55
8.1.10.0000.00717.35
8.1.00.0040.00417.35
8.0.300.0000.00718.77
8.0.290.0030.00316.63
8.0.280.0030.00318.29
8.0.270.0030.00317.05
8.0.260.0030.00317.18
8.0.250.0000.00616.90
8.0.240.0040.00416.87
8.0.230.0040.00416.88
8.0.220.0050.00316.75
8.0.210.0030.00516.77
8.0.200.0030.00316.86
8.0.190.0000.00916.88
8.0.180.0030.00816.90
8.0.170.0040.00416.77
8.0.160.0000.00716.79
8.0.150.0030.00316.65
8.0.140.0000.00716.78
8.0.130.0050.00013.28
8.0.120.0060.00316.74
8.0.110.0040.00416.66
8.0.100.0050.00316.70
8.0.90.0030.00316.87
8.0.80.0070.01016.79
8.0.70.0080.00016.71
8.0.60.0000.00716.75
8.0.50.0000.00716.80
8.0.30.0150.00617.06
8.0.20.0120.00617.40
8.0.10.0050.00216.70
8.0.00.0090.01216.85
7.4.330.0020.00215.00
7.4.320.0040.00416.43
7.4.300.0030.00316.49
7.4.290.0030.00316.43
7.4.280.0040.00416.42
7.4.270.0050.00316.39
7.4.260.0060.00316.39
7.4.250.0040.00416.39
7.4.240.0020.00516.47
7.4.230.0030.00316.53
7.4.220.0090.00916.29
7.4.210.0070.01416.35
7.4.200.0070.00016.53
7.4.160.0050.01116.43
7.4.150.0130.00617.40
7.4.140.0090.01317.86
7.4.130.0120.00716.42
7.4.120.0120.00516.36
7.4.110.0100.00616.38
7.4.100.0050.01416.36
7.4.90.0170.00016.41
7.4.80.0100.00719.39
7.4.70.0070.00716.36
7.4.60.0100.00616.56
7.4.50.0040.00416.43
7.4.40.0090.00916.41
7.4.30.0030.01316.55
7.4.00.0030.01414.50
7.3.330.0000.00512.86
7.3.320.0020.00213.05
7.3.310.0030.00316.07
7.3.300.0030.00316.16
7.3.290.0110.00316.02
7.3.280.0050.01116.12
7.3.270.0070.01117.40
7.3.260.0100.00716.27
7.3.250.0090.00816.24
7.3.240.0160.00616.20
7.3.230.0060.00916.39
7.3.210.0070.01016.20
7.3.200.0090.00619.39
7.3.190.0090.00616.21
7.3.180.0110.00616.48
7.3.170.0040.01216.57
7.3.160.0040.01216.30
7.3.120.0030.01014.91
7.3.00.0100.00316.65
7.2.330.0110.00716.25
7.2.320.0000.01516.54
7.2.310.0060.01016.32
7.2.300.0160.00016.22
7.2.290.0100.00616.18
7.2.130.0070.00716.95
7.2.120.0070.00716.45
7.2.110.0060.00316.53
7.2.100.0070.00716.68
7.2.90.0110.00416.64
7.2.80.0610.00617.03
7.2.70.0000.01316.69
7.2.60.0180.00416.50
7.2.50.0030.01016.44
7.2.40.0030.01016.84
7.2.30.0090.00616.94
7.2.20.0070.01116.77
7.2.10.0150.00616.85
7.2.00.0120.00316.84
7.1.250.0000.01115.78
7.1.240.0120.00315.73
7.1.230.0100.00315.82
7.1.220.0030.00615.53
7.1.210.0180.00715.48
7.1.200.0030.00915.54
7.1.190.0030.01315.56
7.1.180.0070.01015.80
7.1.170.0100.01015.69
7.1.160.0040.00415.44
7.1.150.0040.01115.73
7.1.140.0000.00815.74
7.1.130.0130.00315.58
7.1.120.0070.00315.56
7.1.110.0030.01015.70
7.1.100.0070.00715.58
7.1.90.0230.00315.69
7.1.80.0110.01115.85
7.1.70.0060.00916.22
7.1.60.0030.01217.71
7.1.50.0100.01116.23
7.1.40.0080.00415.75
7.1.30.0070.01015.82
7.1.20.0040.00415.43
7.1.10.0090.00615.63
7.1.00.0090.03918.96
7.0.330.0130.00015.14
7.0.320.0100.00015.33
7.0.310.0230.00315.21
7.0.300.0130.00315.05
7.0.290.0030.00815.22
7.0.280.0100.00314.96
7.0.270.0030.00615.26
7.0.260.0130.00715.42
7.0.250.0050.00515.45
7.0.240.0060.00615.39
7.0.230.0000.01515.18
7.0.220.0000.01115.41
7.0.210.0130.00315.13
7.0.200.0310.00914.88
7.0.190.0030.00715.41
7.0.180.0030.01015.37
7.0.170.0030.00915.13
7.0.160.0100.00315.41
7.0.150.0030.01015.30
7.0.140.0050.04018.63
7.0.130.0060.00615.00
7.0.120.0110.00615.40
7.0.110.0060.00315.48
7.0.100.0100.00715.14
7.0.90.0320.01717.64
7.0.80.0080.02717.54
7.0.70.0150.02017.62
7.0.60.0140.02917.46
7.0.50.0100.02217.89
7.0.40.0050.02016.73
7.0.30.0030.02816.72
7.0.20.0090.02016.68
7.0.10.0030.02716.72
7.0.00.0020.04116.76
5.6.380.0060.00914.17
5.6.370.0070.00714.11
5.6.360.0120.00314.00
5.6.350.0070.00414.04
5.6.340.0100.00614.42
5.6.330.0000.01513.88
5.6.320.0040.01114.20
5.6.310.0040.00414.13
5.6.300.0070.00714.04
5.6.290.0070.00713.91
5.6.280.0070.03517.54
5.6.270.0060.00314.16
5.6.260.0040.00714.30
5.6.250.0100.00314.21
5.6.240.0080.02217.45
5.6.230.0030.02717.35
5.6.220.0060.04317.42
5.6.210.0050.02517.47
5.6.200.0070.02917.63
5.6.190.0080.02417.51
5.6.180.0080.02417.72
5.6.170.0050.02717.65
5.6.160.0050.02717.53
5.6.150.0020.02817.54
5.6.140.0020.02817.53
5.6.130.0070.02417.68
5.6.120.0050.02417.63
5.6.110.0130.03817.53
5.6.100.0120.03517.61
5.6.90.0070.04017.67
5.6.80.0040.04717.24
5.6.70.0050.03817.13
5.6.60.0030.04317.17
5.6.50.0060.04317.27
5.6.40.0130.03517.19
5.6.30.0050.04417.21
5.6.20.0070.03017.14
5.6.10.0030.02717.36
5.6.00.0050.04017.31
5.5.380.0060.02316.08
5.5.370.0050.02516.01
5.5.360.0050.02916.00
5.5.350.0030.02416.00
5.5.340.0020.03316.20
5.5.330.0020.04216.23
5.5.320.0030.02316.17
5.5.310.0020.03016.21
5.5.300.0050.02416.18
5.5.290.0050.02516.19
5.5.280.0050.02216.16
5.5.270.0060.04116.21
5.5.260.0060.02216.26
5.5.250.0080.03916.13
5.5.240.0040.03915.92
5.5.230.0130.03315.94
5.5.220.0080.02315.89
5.5.210.0050.02115.85
5.5.200.0050.02115.93
5.5.190.0030.02915.85
5.5.180.0030.03015.88
5.5.170.0030.00911.60
5.5.160.0100.03315.93
5.5.150.0050.04515.79
5.5.140.0050.02815.87
5.5.130.0040.02415.83
5.5.120.0070.02315.85
5.5.110.0020.05015.93
5.5.100.0110.03615.80
5.5.90.0070.02815.77
5.5.80.0060.03215.87
5.5.70.0100.03515.77
5.5.60.0020.04015.86
5.5.50.0050.02315.85
5.5.40.0070.03815.78
5.5.30.0070.04015.77
5.5.20.0050.04515.82
5.5.10.0040.03815.80
5.5.00.0070.02515.84
5.4.450.0020.02315.36
5.4.440.0080.02215.52
5.4.430.0030.03515.52
5.4.420.0030.04015.54
5.4.410.0050.02115.47
5.4.400.0030.02715.32
5.4.390.0050.02615.37
5.4.380.0090.02515.33
5.4.370.0030.02215.27
5.4.360.0060.04115.32
5.4.350.0050.04215.35
5.4.340.0070.02115.32
5.4.330.0030.00311.60
5.4.320.0080.02515.25
5.4.310.0090.03915.31
5.4.300.0020.02615.36
5.4.290.0030.02815.22
5.4.280.0020.04315.29
5.4.270.0030.02515.32
5.4.260.0050.02315.37
5.4.250.0060.04115.30
5.4.240.0070.03715.31
5.4.230.0060.04015.19
5.4.220.0070.03315.31
5.4.210.0050.04215.32
5.4.200.0030.02615.33
5.4.190.0020.02615.19
5.4.180.0060.04015.29
5.4.170.0100.03415.27
5.4.160.0130.03215.31
5.4.150.0050.03815.24
5.4.140.0050.03713.92
5.4.130.0030.02513.96
5.4.120.0070.03613.96
5.4.110.0050.04013.93
5.4.100.0070.02313.97
5.4.90.0070.02913.91
5.4.80.0070.02213.93
5.4.70.0030.03813.90
5.4.60.0010.04013.94
5.4.50.0050.04013.99
5.4.40.0050.02713.97
5.4.30.0050.02313.90
5.4.20.0030.04213.96
5.4.10.0050.03913.96
5.4.00.0030.03313.65
5.3.290.0050.02213.13
5.3.280.0090.03713.08
5.3.270.0100.03713.04
5.3.260.0050.04413.06
5.3.250.0110.03513.09
5.3.240.0050.02513.10
5.3.230.0080.03813.01
5.3.220.0010.02613.08
5.3.210.0020.04213.01
5.3.200.0070.03813.08
5.3.190.0020.04413.07
5.3.180.0050.03712.99
5.3.170.0030.02813.08
5.3.160.0060.02513.06
5.3.150.0050.03613.06
5.3.140.0030.04213.07
5.3.130.0050.04113.03
5.3.120.0050.04313.06
5.3.110.0050.03313.03
5.3.100.0060.04312.79
5.3.90.0050.03812.80
5.3.80.0000.02912.68
5.3.70.0120.02212.73
5.3.60.0070.03512.73
5.3.50.0030.02212.70
5.3.40.0060.02312.78
5.3.30.0080.02212.68
5.3.20.0020.02612.57
5.3.10.0070.03712.51
5.3.00.0060.02112.61
5.2.170.0040.02711.36
5.2.160.0070.01511.38
5.2.150.0040.02311.38
5.2.140.0070.02911.36
5.2.130.0050.01911.31
5.2.120.0030.01911.31
5.2.110.0060.02511.26
5.2.100.0020.02011.36
5.2.90.0020.03211.32
5.2.80.0030.03011.27
5.2.70.0000.02511.25
5.2.60.0030.03511.29
5.2.50.0050.02511.33
5.2.40.0050.02011.21
5.2.30.0030.03611.31
5.2.20.0020.03111.25
5.2.10.0070.03111.24
5.2.00.0060.02611.18
5.1.60.0090.01510.83
5.1.50.0070.02410.80
5.1.40.0030.02210.72
5.1.30.0030.01611.01
5.1.20.0020.03011.00
5.1.10.0060.02810.82
5.1.00.0050.01510.82
5.0.50.0050.02410.07
5.0.40.0040.01310.01
5.0.30.0050.0309.90
5.0.20.0050.0239.93
5.0.10.0030.0239.93
5.0.00.0050.0319.92
4.4.90.0030.0119.40
4.4.80.0030.0139.40
4.4.70.0020.0209.40
4.4.60.0050.0159.40
4.4.50.0060.0139.40
4.4.40.0050.0289.40
4.4.30.0020.0209.40
4.4.20.0020.0209.40
4.4.10.0020.0199.40
4.4.00.0070.0249.40
4.3.110.0030.0179.40
4.3.100.0010.0209.40
4.3.90.0000.0229.40
4.3.80.0010.0299.40
4.3.70.0040.0179.40
4.3.60.0030.0159.40
4.3.50.0000.0209.40
4.3.40.0000.0309.40
4.3.30.0050.0189.40
4.3.20.0030.0179.40
4.3.10.0030.0129.40
4.3.00.0050.0159.40

preferences:
46.79 ms | 401 KiB | 5 Q