3v4l.org

run code in 300+ PHP versions simultaneously
<?php class JsTest { private $hello = 'hello'; private $boum = true; } $js = new JsTest; var_dump(json_encode($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)
8.3.40.0090.00618.59
8.3.30.0170.00319.09
8.3.20.0080.00020.18
8.3.10.0090.00023.68
8.3.00.0090.00019.13
8.2.170.0110.01122.96
8.2.160.0080.00520.53
8.2.150.0070.01124.18
8.2.140.0000.00824.66
8.2.130.0100.00726.16
8.2.120.0040.00420.97
8.2.110.0090.00022.25
8.2.100.0090.00319.51
8.2.90.0040.00419.17
8.2.80.0080.00017.97
8.2.70.0030.00517.50
8.2.60.0000.00817.80
8.2.50.0040.00418.07
8.2.40.0040.00419.94
8.2.30.0000.00717.87
8.2.20.0040.00417.66
8.2.10.0030.00517.98
8.2.00.0040.00417.50
8.1.270.0090.00023.80
8.1.260.0060.00326.35
8.1.250.0080.00028.09
8.1.240.0060.00322.08
8.1.230.0040.00719.11
8.1.220.0080.00017.74
8.1.210.0080.00018.77
8.1.200.0030.00617.22
8.1.190.0080.00017.22
8.1.180.0000.00918.10
8.1.170.0050.00318.51
8.1.160.0040.00421.95
8.1.150.0050.00318.86
8.1.140.0040.00417.29
8.1.130.0000.00717.74
8.1.120.0030.00317.39
8.1.110.0000.00817.39
8.1.100.0040.00417.30
8.1.90.0030.00517.40
8.1.80.0000.00717.39
8.1.70.0070.00017.34
8.1.60.0040.00417.52
8.1.50.0060.00317.46
8.1.40.0060.00317.38
8.1.30.0030.00517.51
8.1.20.0000.00717.56
8.1.10.0070.00017.43
8.1.00.0040.00417.42
8.0.300.0000.00718.77
8.0.290.0070.00016.63
8.0.280.0040.00418.48
8.0.270.0040.00417.11
8.0.260.0030.00317.06
8.0.250.0030.00316.93
8.0.240.0070.00016.85
8.0.230.0050.00216.75
8.0.220.0060.00016.73
8.0.210.0000.00616.79
8.0.200.0000.00616.84
8.0.190.0050.00316.91
8.0.180.0070.00016.68
8.0.170.0050.00316.84
8.0.160.0030.00516.85
8.0.150.0040.00416.77
8.0.140.0050.00316.69
8.0.130.0060.00013.25
8.0.120.0000.00816.77
8.0.110.0050.00316.71
8.0.100.0000.00716.71
8.0.90.0040.00416.69
8.0.80.0100.00516.77
8.0.70.0070.00016.88
8.0.60.0070.00016.70
8.0.50.0030.00516.71
8.0.30.0070.01517.03
8.0.20.0170.01017.40
8.0.10.0000.00716.95
8.0.00.0110.00816.69
7.4.330.0000.00615.08
7.4.320.0050.00216.39
7.4.300.0030.00316.52
7.4.290.0000.00616.51
7.4.280.0080.00016.42
7.4.270.0030.00316.46
7.4.260.0060.00316.51
7.4.250.0040.00416.50
7.4.240.0030.00416.50
7.4.230.0070.00016.60
7.4.220.0070.01716.60
7.4.210.0080.00516.41
7.4.200.0030.00316.25
7.4.160.0100.01316.43
7.4.150.0060.01217.40
7.4.140.0080.00917.86
7.4.130.0050.01116.41
7.4.120.0080.00916.52
7.4.110.0090.01516.33
7.4.100.0130.01016.38
7.4.90.0060.01016.39
7.4.80.0130.00319.39
7.4.70.0070.01016.50
7.4.60.0160.00616.45
7.4.50.0090.00016.40
7.4.40.0150.00416.62
7.4.30.0000.02016.29
7.4.10.0090.01216.38
7.4.00.0050.01215.47
7.3.330.0000.00513.13
7.3.320.0050.00012.99
7.3.310.0030.00316.18
7.3.300.0030.00516.04
7.3.290.0030.01116.16
7.3.280.0120.00616.19
7.3.270.0100.01417.40
7.3.260.0080.00816.07
7.3.250.0070.00916.15
7.3.240.0130.00416.22
7.3.230.0110.00816.39
7.3.210.0070.01016.32
7.3.200.0110.00619.39
7.3.190.0180.00316.16
7.3.180.0130.00316.29
7.3.170.0060.01216.32
7.3.160.0070.00916.30
7.3.130.0100.01015.97
7.3.120.0100.01016.25
7.3.110.0080.01516.17
7.3.100.0120.01016.30
7.3.90.0190.00216.05
7.3.80.0030.01916.30
7.3.70.0060.01816.04
7.3.60.0090.00916.10
7.3.50.0160.00416.11
7.3.40.0150.01116.02
7.3.30.0140.01016.19
7.3.20.0040.01717.90
7.3.10.0170.00617.96
7.3.00.0130.00817.86
7.2.330.0060.01116.64
7.2.320.0060.01016.36
7.2.310.0030.01216.60
7.2.300.0080.01116.38
7.2.290.0100.00616.28
7.2.260.0090.01516.31
7.2.250.0120.00616.27
7.2.240.0100.01016.24
7.2.230.0110.01216.17
7.2.220.0060.01616.39
7.2.210.0140.00916.27
7.2.200.0120.01216.16
7.2.190.0040.01716.11
7.2.180.0150.00616.34
7.2.170.0160.00816.22
7.2.160.0090.01416.30
7.2.150.0000.02118.18
7.2.140.0060.00918.20
7.2.130.0340.00718.07
7.2.120.0100.01318.20
7.2.110.0000.01918.26
7.2.100.0070.01318.25
7.2.90.0090.00918.48
7.2.80.0030.01018.34
7.2.70.0090.00318.09
7.2.60.0000.01518.11
7.2.50.0090.00918.38
7.2.40.0090.00918.30
7.2.30.0070.00318.26
7.2.20.0060.01018.33
7.2.10.0140.00018.19
7.2.00.0030.01218.81
7.1.330.0050.01517.00
7.1.320.0000.02017.34
7.1.310.0070.01417.20
7.1.300.0150.00717.13
7.1.290.0030.01317.13
7.1.280.0230.00617.36
7.1.270.0140.01417.10
7.1.260.0070.00717.14
7.1.250.0150.01117.21
7.1.240.0100.00717.11
7.1.230.0060.00917.24
7.1.220.0150.00317.25
7.1.210.0180.00016.99
7.1.200.0060.01016.98
7.1.190.0030.00917.29
7.1.180.0060.00617.06
7.1.170.0060.00917.12
7.1.160.0060.00917.14
7.1.150.0070.01017.14
7.1.140.0100.00717.14
7.1.130.0030.01217.17
7.1.120.0040.01117.18
7.1.110.0120.00317.14
7.1.100.0050.00817.71
7.1.90.0060.01217.13
7.1.80.0080.00817.26
7.1.70.0020.00817.09
7.1.60.0080.01718.36
7.1.50.0130.01525.86
7.1.40.0040.01517.23
7.1.30.0030.01317.18
7.1.20.0090.00317.46
7.1.10.0070.01117.47
7.1.00.0100.03719.78
7.0.330.0170.01016.85
7.0.320.0070.00716.80
7.0.310.0080.00616.63
7.0.300.0090.00716.77
7.0.290.0030.01216.62
7.0.280.0070.00716.82
7.0.270.0060.00916.68
7.0.260.0060.01016.99
7.0.250.0100.00717.07
7.0.240.0100.00316.90
7.0.230.0090.00916.84
7.0.220.0040.01116.91
7.0.210.0040.01816.95
7.0.200.0090.00616.85
7.0.190.0090.00917.00
7.0.180.0120.00316.86
7.0.170.0160.00016.96
7.0.160.0060.01217.03
7.0.150.0110.00616.85
7.0.140.0070.03919.58
7.0.130.0060.00917.02
7.0.120.0070.00716.80
7.0.110.0040.01116.94
7.0.100.0070.01117.02
7.0.90.0070.02518.36
7.0.80.0090.03918.39
7.0.70.0170.03518.35
7.0.60.0200.02318.50
7.0.50.0170.03718.66
7.0.40.0060.04317.50
7.0.30.0090.04617.42
7.0.20.0090.04117.38
7.0.10.0070.03917.42
7.0.00.0130.03517.44
5.6.400.0130.00315.98
5.6.390.0140.00715.75
5.6.380.0030.01215.89
5.6.370.0030.00915.81
5.6.360.0040.01215.81
5.6.350.0060.00615.81
5.6.340.0070.00715.83
5.6.330.0030.01015.80
5.6.320.0160.00715.71
5.6.310.0000.01816.13
5.6.300.0120.00415.80
5.6.290.0070.00415.79
5.6.280.0040.04418.53
5.6.270.0000.01315.91
5.6.260.0030.01215.85
5.6.250.0080.01215.89
5.6.240.0050.02718.23
5.6.230.0060.04418.28
5.6.220.0090.02518.22
5.6.210.0100.02718.23
5.6.200.0080.04518.36
5.6.190.0080.04818.42
5.6.180.0080.04318.59
5.6.170.0050.04318.35
5.6.160.0070.04218.48
5.6.150.0000.05018.31
5.6.140.0070.03218.36
5.6.130.0020.03218.48
5.6.120.0050.04818.30
5.6.110.0120.04518.40
5.6.100.0070.02718.29
5.6.90.0070.03018.37
5.6.80.0050.02718.11
5.6.70.0070.04218.03
5.6.60.0040.02618.11
5.6.50.0070.04618.12
5.6.40.0080.03818.02
5.6.30.0070.02718.10
5.6.20.0150.03818.14
5.6.10.0070.03818.01
5.6.00.0090.02317.95
5.5.380.0070.03518.09
5.5.370.0080.02318.19
5.5.360.0030.03518.06
5.5.350.0100.02017.97
5.5.340.0070.04518.24
5.5.330.0060.03318.07
5.5.320.0050.05318.34
5.5.310.0140.03618.14
5.5.300.0060.04518.22
5.5.290.0050.04318.34
5.5.280.0060.04318.36
5.5.270.0040.03418.21
5.5.260.0080.04418.34
5.5.250.0160.02918.02
5.5.240.0110.03617.94
5.5.230.0020.02917.91
5.5.220.0080.04317.88
5.5.210.0080.04317.99
5.5.200.0070.05017.89
5.5.190.0070.04017.87
5.5.180.0070.04617.96
5.5.170.0150.00415.51
5.5.160.0070.02817.89
5.5.150.0070.03817.73
5.5.140.0060.02917.85
5.5.130.0090.03217.95
5.5.120.0110.03917.85
5.5.110.0080.03517.96
5.5.100.0130.02017.85
5.5.90.0070.03517.65
5.5.80.0100.04317.81
5.5.70.0070.03917.88
5.5.60.0090.02417.74
5.5.50.0110.03717.80
5.5.40.0110.04317.75
5.5.30.0030.04617.87
5.5.20.0100.04417.89
5.5.10.0040.02817.84
5.5.00.0110.03617.87
5.4.450.0100.03815.84
5.4.440.0090.03615.97
5.4.430.0080.04516.08
5.4.420.0080.02416.09
5.4.410.0070.03815.95
5.4.400.0060.02415.88
5.4.390.0110.03615.89
5.4.380.0100.04015.79
5.4.370.0040.03115.75
5.4.360.0030.02915.82
5.4.350.0130.03215.65
5.4.340.0070.04515.79
5.4.330.0120.00412.54
5.4.320.0070.04315.74
5.4.310.0060.02815.83
5.4.300.0140.03915.84
5.4.290.0090.03515.75
5.4.280.0110.03815.65
5.4.270.0100.02215.75
5.4.260.0030.03515.94
5.4.250.0120.04015.79
5.4.240.0090.04315.84
5.4.230.0130.03815.80
5.4.220.0100.02315.80
5.4.210.0130.03115.88
5.4.200.0050.02815.79
5.4.190.0070.03515.86
5.4.180.0100.03315.81
5.4.170.0050.03415.66
5.4.160.0050.04415.94
5.4.150.0110.03815.83
5.4.140.0080.04514.42
5.4.130.0110.03814.44
5.4.120.0040.02614.45
5.4.110.0090.02714.48
5.4.100.0060.02414.46
5.4.90.0100.02014.45
5.4.80.0100.03414.49
5.4.70.0060.02314.42
5.4.60.0080.03714.41
5.4.50.0090.03514.38
5.4.40.0050.02614.50
5.4.30.0060.02514.36
5.4.20.0110.03814.50
5.4.10.0080.03314.56
5.4.00.0110.02114.14
5.3.290.0100.06714.77
5.3.280.0100.06314.63
5.3.270.0070.04314.68
5.3.260.0030.04014.53
5.3.250.0070.06014.61
5.3.240.0070.03314.63
5.3.230.0130.06714.70
5.3.220.0070.07314.58
5.3.210.0030.08014.61
5.3.200.0030.04314.57
5.3.190.0000.04314.61
5.3.180.0100.03714.64
5.3.170.0070.05714.54
5.3.160.0200.06014.62
5.3.150.0070.06714.48
5.3.140.0070.07714.55
5.3.130.0030.05314.65
5.3.120.0000.07714.52
5.3.110.0000.08314.49
5.3.100.0030.05714.09
5.3.90.0030.04713.97
5.3.80.0100.07014.12
5.3.70.0100.07014.01
5.3.60.0130.06713.92
5.3.50.0100.05313.87
5.3.40.0100.05313.96
5.3.30.0100.06713.78
5.3.20.0030.06313.59
5.3.10.0070.04313.68
5.3.00.0100.06013.68
5.2.170.0030.06311.25
5.2.160.0030.05311.23
5.2.150.0100.04711.04
5.2.140.0100.03711.16
5.2.130.0030.04311.11
5.2.120.0030.04011.01
5.2.110.0030.06011.13
5.2.100.0000.03711.22
5.2.90.0100.05711.14
5.2.80.0030.06311.13
5.2.70.0030.05311.14
5.2.60.0070.06310.96
5.2.50.0100.06011.06
5.2.40.0030.05310.90
5.2.30.0000.03711.08
5.2.20.0100.05710.88
5.2.10.0030.06010.77
5.2.00.0130.05010.56
5.1.60.0070.0379.98
5.1.50.0070.0479.87
5.1.40.0100.02010.02
5.1.30.0100.05010.39
5.1.20.0030.07010.41
5.1.10.0030.04710.14
5.1.00.0070.0579.91
5.0.50.0070.0238.61
5.0.40.0070.0178.39
5.0.30.0000.0408.22
5.0.20.0030.0238.27
5.0.10.0030.0208.25
5.0.00.0070.0638.05
4.4.90.0070.0137.15
4.4.80.0030.0307.15
4.4.70.0000.0307.15
4.4.60.0000.0407.15
4.4.50.0000.0337.15
4.4.40.0070.0407.15
4.4.30.0000.0377.15
4.4.20.0030.0277.15
4.4.10.0070.0337.15
4.4.00.0030.0237.15
4.3.110.0000.0337.15
4.3.100.0000.0377.15
4.3.90.0000.0207.15
4.3.80.0070.0407.15
4.3.70.0070.0307.15
4.3.60.0030.0337.15
4.3.50.0030.0337.15
4.3.40.0030.0537.15
4.3.30.0000.0337.15
4.3.20.0000.0377.15
4.3.10.0030.0207.15
4.3.00.0000.0207.15

preferences:
64.25 ms | 400 KiB | 5 Q