3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = [ 'foo' => null, 'bar' => 2 ]; var_dump(jsen_encode($var));

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)
8.3.60.0120.00318.55
8.3.50.0150.00017.95
8.3.40.0140.00018.79
8.3.30.0150.00618.89
8.3.20.0080.00020.20
8.3.10.0040.00420.48
8.3.00.0050.00321.70
8.2.180.0140.00016.88
8.2.170.0110.00422.96
8.2.160.0000.01422.10
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0080.00020.75
8.2.120.0040.00426.35
8.2.110.0060.00320.47
8.2.100.0080.00417.80
8.2.90.0000.00819.05
8.2.80.0080.00017.97
8.2.70.0050.00517.75
8.2.60.0040.00417.78
8.2.50.0000.00918.09
8.2.40.0020.00520.52
8.2.30.0000.00719.33
8.2.20.0000.00717.63
8.2.10.0080.00018.04
8.2.00.0050.00217.93
8.1.280.0090.00625.92
8.1.270.0160.00322.14
8.1.260.0070.00028.09
8.1.250.0040.00428.09
8.1.240.0000.01023.79
8.1.230.0080.00417.77
8.1.220.0000.00917.76
8.1.210.0060.00318.77
8.1.200.0080.00017.36
8.1.190.0060.00317.13
8.1.180.0040.00418.10
8.1.170.0000.00818.51
8.1.160.0040.00420.70
8.1.150.0040.00420.48
8.1.140.0000.00919.52
8.1.130.0070.00017.68
8.1.120.0030.00317.43
8.1.110.0040.00417.22
8.1.100.0000.00717.39
8.1.90.0040.00417.40
8.1.80.0030.00317.26
8.1.70.0000.00817.39
8.1.60.0040.00417.43
8.1.50.0000.00817.54
8.1.40.0040.00417.56
8.1.30.0000.00817.62
8.1.20.0050.00317.38
8.1.10.0000.00717.43
8.1.00.0030.00717.47
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0000.00718.40
8.0.270.0000.00717.11
8.0.260.0070.00017.25
8.0.250.0030.00316.95
8.0.240.0070.00016.94
8.0.230.0030.00316.99
8.0.220.0030.00316.79
8.0.210.0040.00416.91
8.0.200.0000.00616.82
8.0.190.0000.00816.97
8.0.180.0070.00016.86
8.0.170.0080.00016.81
8.0.160.0050.00216.85
8.0.150.0040.00416.72
8.0.140.0040.00316.74
8.0.130.0060.00313.32
8.0.120.0050.00316.86
8.0.110.0040.00416.93
8.0.100.0000.00716.75
8.0.90.0040.00416.67
8.0.80.0100.00716.87
8.0.70.0000.00716.93
8.0.60.0000.00716.89
8.0.50.0040.00416.76
8.0.30.0120.00817.09
8.0.20.0100.01117.40
8.0.10.0050.00316.85
8.0.00.0090.00816.66
7.4.330.0000.00516.66
7.4.320.0030.00316.52
7.4.300.0000.00616.51
7.4.290.0030.00616.59
7.4.280.0040.00416.50
7.4.270.0040.00416.53
7.4.260.0000.00816.41
7.4.250.0000.00716.46
7.4.240.0000.00716.41
7.4.230.0000.00716.30
7.4.220.0070.01016.44
7.4.210.0070.00716.54
7.4.200.0040.00416.57
7.4.160.0140.00316.44
7.4.150.0130.00617.40
7.4.140.0100.01117.86
7.4.130.0060.01516.54
7.4.120.0080.00916.54
7.4.110.0080.01216.50
7.4.100.0140.00416.59
7.4.90.0080.01116.64
7.4.80.0060.01119.39
7.4.70.0080.00816.48
7.4.60.0030.01316.38
7.4.50.0000.01416.41
7.4.40.0100.00716.36
7.4.30.0100.00616.53
7.4.00.0030.01215.18
7.3.330.0030.00313.18
7.3.320.0020.00213.17
7.3.310.0000.00816.10
7.3.300.0030.00316.25
7.3.290.0050.00316.17
7.3.280.0080.01016.27
7.3.270.0100.00717.40
7.3.260.0140.00716.38
7.3.250.0070.01016.30
7.3.240.0090.00916.35
7.3.230.0110.00916.39
7.3.210.0140.00716.26
7.3.200.0100.00716.16
7.3.190.0080.00816.41
7.3.180.0070.01416.42
7.3.170.0100.01016.31
7.3.160.0100.00716.47
7.3.10.0030.01016.57
7.3.00.0060.00616.21
7.2.330.0000.01916.44
7.2.320.0100.01016.45
7.2.310.0060.00916.54
7.2.300.0090.01316.18
7.2.290.0040.01816.59
7.2.130.0060.00616.94
7.2.120.0110.00316.80
7.2.110.0100.00316.79
7.2.100.0000.01016.70
7.2.90.0070.00316.46
7.2.80.0000.01716.79
7.2.70.0140.00416.89
7.2.60.0070.00816.72
7.2.50.0030.00616.84
7.2.40.0040.01116.79
7.2.30.0140.00016.79
7.2.20.0030.00616.85
7.2.10.0000.01216.77
7.2.00.0030.01218.07
7.1.250.0000.00915.64
7.1.200.0000.00915.47
7.1.100.0000.00918.09
7.1.70.0000.00816.68
7.1.60.0030.02119.19
7.1.50.0030.01716.89
7.1.00.0000.08022.45
7.0.200.0730.00014.44
7.0.60.0330.03319.89
7.0.50.0030.05017.90
7.0.40.0130.06719.90
7.0.30.0230.04320.30
7.0.20.0200.08020.04
7.0.10.0200.07320.00
7.0.00.0070.04020.01
5.6.280.0100.05021.09
5.6.210.0130.06720.71
5.6.200.0130.07318.27
5.6.190.0030.04320.33
5.6.180.0270.07720.49
5.6.170.0300.06720.45
5.6.160.0030.04320.40
5.6.150.0000.06718.10
5.6.140.0130.07718.09
5.6.130.0030.05018.16
5.6.120.0100.08321.11
5.6.110.0030.09721.02
5.6.100.0070.08020.95
5.6.90.0070.04020.95
5.6.80.0030.04320.53
5.5.350.0200.04020.41
5.5.340.0070.08317.95
5.5.330.0030.04320.37
5.5.320.0330.07020.32
5.5.310.0170.05020.32
5.5.300.0070.08017.99
5.5.290.0070.04017.89
5.5.280.0070.04020.78
5.5.270.0130.07020.88
5.5.260.0000.08720.97
5.5.250.0070.08020.77
5.5.240.0030.06720.14

preferences:
51.24 ms | 400 KiB | 5 Q