3v4l.org

run code in 300+ PHP versions simultaneously
<?php class JsTest { private $hello = 'hello'; private $boum = true; } $js = new JsTest; var_dump(js_encode($js));

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)
8.3.60.0140.00318.43
8.3.50.0160.00522.86
8.3.40.0070.01418.97
8.3.30.0120.00919.02
8.3.20.0030.00520.21
8.3.10.0040.00423.53
8.3.00.0040.01519.50
8.2.180.0120.00416.50
8.2.170.0120.00322.96
8.2.160.0070.01020.38
8.2.150.0050.00324.18
8.2.140.0030.00724.66
8.2.130.0060.01226.16
8.2.120.0040.00420.96
8.2.110.0060.00322.09
8.2.100.0040.00817.91
8.2.90.0050.00319.28
8.2.80.0030.00517.97
8.2.70.0080.00017.63
8.2.60.0060.00317.68
8.2.50.0100.00018.07
8.2.40.0000.00819.75
8.2.30.0040.00418.05
8.2.20.0030.00617.73
8.2.10.0030.00517.91
8.2.00.0050.00217.48
8.1.280.0060.00925.92
8.1.270.0030.00523.97
8.1.260.0070.00026.35
8.1.250.0050.00228.09
8.1.240.0060.00323.98
8.1.230.0040.00718.97
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0030.00617.22
8.1.190.0030.00617.23
8.1.180.0030.00618.10
8.1.170.0080.00018.43
8.1.160.0000.00721.96
8.1.150.0000.00818.83
8.1.140.0000.00817.43
8.1.130.0030.00317.82
8.1.120.0040.00417.40
8.1.110.0000.00817.38
8.1.100.0030.00317.39
8.1.90.0000.00717.38
8.1.80.0080.00017.43
8.1.70.0000.00717.27
8.1.60.0080.00017.58
8.1.50.0000.00817.52
8.1.40.0000.00817.54
8.1.30.0040.00417.70
8.1.20.0030.00617.47
8.1.10.0000.00717.62
8.1.00.0060.00317.47
8.0.300.0080.00018.77
8.0.290.0000.00716.58
8.0.280.0030.00318.34
8.0.270.0080.00017.20
8.0.260.0030.00317.23
8.0.250.0000.00716.82
8.0.240.0070.00016.97
8.0.230.0060.00016.83
8.0.220.0040.00416.86
8.0.210.0030.00316.95
8.0.200.0030.00316.93
8.0.190.0030.00516.84
8.0.180.0030.00516.90
8.0.170.0020.00516.86
8.0.160.0000.00816.86
8.0.150.0070.00016.73
8.0.140.0000.00816.76
8.0.130.0000.00613.31
8.0.120.0000.00816.90
8.0.110.0000.00716.74
8.0.100.0040.00416.82
8.0.90.0000.00816.89
8.0.80.0130.00316.88
8.0.70.0040.00416.95
8.0.60.0000.00816.91
8.0.50.0030.00516.75
8.0.30.0150.00517.03
8.0.20.0110.01217.40
8.0.10.0000.00716.87
8.0.00.0090.00816.74
7.4.330.0050.00015.00
7.4.320.0040.00416.54
7.4.300.0030.00316.49
7.4.290.0070.00016.57
7.4.280.0030.00516.48
7.4.270.0070.00016.51
7.4.260.0040.00416.38
7.4.250.0070.00016.47
7.4.240.0000.00716.60
7.4.230.0070.00016.52
7.4.220.0100.01016.54
7.4.210.0120.00316.45
7.4.200.0000.00716.55
7.4.160.0100.01316.27
7.4.150.0140.00417.40
7.4.140.0090.00817.86
7.4.130.0110.00516.54
7.4.120.0060.01016.51
7.4.110.0130.01016.55
7.4.100.0090.01316.48
7.4.90.0030.01416.46
7.4.80.0100.01019.39
7.4.70.0070.01116.54
7.4.60.0110.00716.49
7.4.50.0030.00516.11
7.4.40.0030.01516.46
7.4.30.0060.00916.52
7.4.00.0070.01114.85
7.3.330.0000.00513.24
7.3.320.0000.00513.36
7.3.310.0000.00716.14
7.3.300.0040.00416.24
7.3.290.0090.00616.32
7.3.280.0090.00816.31
7.3.270.0120.00617.40
7.3.260.0100.00716.31
7.3.250.0100.00716.28
7.3.240.0060.01216.31
7.3.230.0030.01616.54
7.3.210.0120.00616.25
7.3.200.0130.00319.39
7.3.190.0140.00716.34
7.3.180.0030.01316.30
7.3.170.0060.00916.31
7.3.160.0140.00016.29
7.3.10.0080.00416.48
7.3.00.0080.00416.39
7.2.330.0110.01316.33
7.2.320.0030.01316.73
7.2.310.0070.00716.66
7.2.300.0090.00916.41
7.2.290.0190.00016.38
7.2.130.0030.00717.02
7.2.120.0070.00716.50
7.2.110.0040.00816.57
7.2.100.0040.00816.35
7.2.90.0000.01016.53
7.2.80.0060.00616.77
7.2.70.0030.00616.57
7.2.60.0070.00616.88
7.2.50.0050.00516.84
7.2.40.0070.00316.55
7.2.30.0100.00316.77
7.2.20.0080.00416.72
7.2.10.0040.00416.73
7.2.00.0040.00918.07
7.1.250.0070.00415.62
7.1.200.0030.00315.61
7.1.100.0230.00717.32
7.1.70.0000.00816.60
7.1.60.0060.01619.40
7.1.50.0200.02034.70
7.1.00.0030.07722.33
7.0.200.0080.00416.82
7.0.140.0030.07322.18
7.0.60.0170.05719.90
7.0.50.0000.09317.86
7.0.40.0030.04320.20
7.0.30.0330.07320.26
7.0.20.0270.08020.12
7.0.10.0100.05320.02
7.0.00.0030.06320.06
5.6.280.0070.07020.89
5.6.210.0070.08020.47
5.6.200.0130.07318.19
5.6.190.0130.04320.61
5.6.180.0400.04720.77
5.6.170.0470.07020.51
5.6.160.0070.07720.44
5.6.150.0070.04018.29
5.6.140.0070.04018.18
5.6.130.0130.07318.23
5.6.120.0100.05721.04
5.6.110.0070.07720.96
5.6.100.0130.03321.11
5.6.90.0100.08020.99
5.6.80.0030.05720.44
5.5.350.0130.04320.41
5.5.340.0070.03717.95
5.5.330.0100.05320.23
5.5.320.2870.04020.38
5.5.310.0270.08020.34
5.5.300.0100.07717.98
5.5.290.0130.06017.99
5.5.280.0000.09320.89
5.5.270.0130.08020.94
5.5.260.0100.05320.72
5.5.250.0000.04320.77
5.5.240.0070.04720.25
5.4.450.0130.05719.31
5.4.440.0600.06019.63
5.4.430.0130.05019.63
5.4.420.0130.05319.42
5.4.410.0170.05318.98
5.4.400.0130.05018.55
5.4.390.0100.06018.74
5.4.380.0170.05018.53
5.4.370.0070.03718.82
5.4.360.0030.05318.79
5.4.350.0090.03712.02
5.4.340.0050.03912.01
5.4.320.0080.03712.50
5.4.310.0080.03912.49
5.4.300.0070.03712.50
5.4.290.0080.03712.49
5.4.280.0070.03412.39
5.4.270.0120.03012.39
5.4.260.0060.03912.39
5.4.250.0080.03612.39
5.4.240.0020.04212.39
5.4.230.0090.03512.38
5.4.220.0080.04312.39
5.4.210.0070.03612.38
5.4.200.0060.03712.38
5.4.190.0070.03412.38
5.4.180.0050.03912.38
5.4.170.0080.03412.39
5.4.160.0070.03812.39
5.4.150.0060.03512.38
5.4.140.0070.03612.07
5.4.130.0060.03512.05
5.4.120.0080.03312.02
5.4.110.0110.03012.01
5.4.100.0060.03412.00
5.4.90.0070.04212.01
5.4.80.0060.03812.01
5.4.70.0080.03712.01
5.4.60.0070.03412.01
5.4.50.0050.04012.00
5.4.40.0060.03512.00
5.4.30.0050.03711.99
5.4.20.0080.03711.99
5.4.10.0020.03911.99
5.4.00.0030.03811.48
5.3.290.0060.04312.80
5.3.280.0060.03712.71
5.3.270.0090.03612.72
5.3.260.0070.03812.72
5.3.250.0050.04012.72
5.3.240.0050.04012.71
5.3.230.0060.03812.71
5.3.220.0040.04012.68
5.3.210.0070.03812.68
5.3.200.0080.03412.68
5.3.190.0030.04012.68
5.3.180.0090.03312.68
5.3.170.0070.03512.67
5.3.160.0080.03812.68
5.3.150.0100.05112.68
5.3.140.0070.05012.66
5.3.130.0050.04712.66
5.3.120.0050.04412.65
5.3.110.0060.03712.66
5.3.100.0070.03712.12
5.3.90.0060.03812.10
5.3.80.0100.03312.09
5.3.70.0070.03712.09
5.3.60.0090.03512.07
5.3.50.0080.03512.02
5.3.40.0080.03512.02
5.3.30.0040.03711.98
5.3.20.0090.03211.76
5.3.10.0060.03611.73
5.3.00.0080.03411.71
5.2.170.0100.0359.21
5.2.160.0030.0319.21
5.2.150.0060.0309.22
5.2.140.0080.0409.21
5.2.130.0090.0369.17
5.2.120.0050.0399.18
5.2.110.0090.0349.18
5.2.100.0040.0329.17
5.2.90.0060.0399.17
5.2.80.0060.0309.17
5.2.70.0090.0359.16
5.2.60.0040.0339.12
5.2.50.0060.0289.09
5.2.40.0020.0329.07
5.2.30.0050.0309.04
5.2.20.0040.0309.03
5.2.10.0040.0328.93
5.2.00.0030.0398.80
5.1.60.0040.0258.09
5.1.50.0050.0248.08
5.1.40.0070.0228.06
5.1.30.0050.0258.41
5.1.20.0060.0288.43
5.1.10.0060.0248.16
5.1.00.0030.0278.16
5.0.50.0030.0226.63
5.0.40.0040.0196.49
5.0.30.0030.0326.31
5.0.20.0030.0216.27
5.0.10.0020.0246.25
5.0.00.0040.0326.25
4.4.90.0020.0164.78
4.4.80.0040.0144.76
4.4.70.0030.0164.76
4.4.60.0030.0164.76
4.4.50.0040.0144.77
4.4.40.0030.0254.71
4.4.30.0040.0144.76
4.4.20.0020.0164.85
4.4.10.0040.0144.84
4.4.00.0030.0274.75
4.3.110.0050.0194.67
4.3.100.0010.0164.67
4.3.90.0040.0134.64
4.3.80.0020.0244.59
4.3.70.0030.0144.63
4.3.60.0030.0144.63
4.3.50.0040.0164.63
4.3.40.0030.0234.54
4.3.30.0010.0173.30
4.3.20.0030.0193.28
4.3.10.0010.0193.23
4.3.00.0000.0236.84

preferences:
39.75 ms | 401 KiB | 5 Q