3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(json_decode(json_encode(array('1' => 'hello', '3' => 'world')), true));

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)
8.3.60.0180.00016.49
8.3.50.0140.00016.13
8.3.40.0180.00418.54
8.3.30.0070.00718.32
8.3.20.0040.00421.68
8.3.10.0000.01723.54
8.3.00.0080.00019.43
8.2.180.0170.00317.86
8.2.170.0140.00722.96
8.2.160.0040.01120.35
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0070.00020.58
8.2.120.0040.00426.35
8.2.110.0100.00020.46
8.2.100.0080.00417.78
8.2.90.0060.00318.95
8.2.80.0000.00817.97
8.2.70.0060.00617.50
8.2.60.0090.00017.91
8.2.50.0000.00818.10
8.2.40.0040.00420.51
8.2.30.0020.00519.18
8.2.20.0040.00417.77
8.2.10.0040.00417.98
8.2.00.0040.00417.88
8.1.280.0200.00025.92
8.1.270.0100.00323.99
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0040.00423.92
8.1.230.0090.00317.70
8.1.220.0000.00917.74
8.1.210.0090.00018.77
8.1.200.0050.00517.23
8.1.190.0000.00817.23
8.1.180.0070.00018.10
8.1.170.0040.00418.61
8.1.160.0040.00418.85
8.1.150.0000.00720.54
8.1.140.0040.00419.31
8.1.130.0030.00520.59
8.1.120.0030.00517.32
8.1.110.0050.00217.29
8.1.100.0000.00717.32
8.1.90.0000.00817.27
8.1.80.0040.00417.20
8.1.70.0000.00817.23
8.1.60.0050.00317.48
8.1.50.0040.00417.40
8.1.40.0000.00817.35
8.1.30.0040.00417.41
8.1.20.0000.00717.41
8.1.10.0000.00917.40
8.1.00.0040.00417.24
8.0.300.0040.00418.77
8.0.290.0030.00616.58
8.0.280.0070.00018.18
8.0.270.0000.00716.99
8.0.260.0000.00619.00
8.0.250.0030.00316.88
8.0.240.0000.00816.80
8.0.230.0030.00316.80
8.0.220.0030.00316.77
8.0.210.0030.00316.77
8.0.200.0070.00016.69
8.0.190.0030.00616.71
8.0.180.0040.00416.67
8.0.170.0030.00316.78
8.0.160.0000.00716.65
8.0.150.0000.00816.66
8.0.140.0000.00716.68
8.0.130.0050.00013.18
8.0.120.0030.00516.78
8.0.110.0030.00316.66
8.0.100.0040.00416.79
8.0.90.0030.00516.61
8.0.80.0050.00916.72
8.0.70.0030.00616.82
8.0.60.0040.00416.81
8.0.50.0050.00216.63
8.0.30.0090.00916.87
8.0.20.0080.01017.40
8.0.10.0000.00816.82
8.0.00.0080.00816.51
7.4.330.0020.00215.55
7.4.320.0030.00316.51
7.4.300.0070.00016.51
7.4.290.0000.00716.36
7.4.280.0050.00316.36
7.4.270.0030.00316.42
7.4.260.0030.00316.42
7.4.250.0000.00716.43
7.4.240.0070.00016.27
7.4.230.0000.00716.39
7.4.220.0070.01416.35
7.4.210.0110.00416.31
7.4.200.0070.00016.20
7.4.160.0060.00916.53
7.4.150.0080.01117.40
7.4.140.0130.00417.86
7.4.130.0080.01216.31
7.4.120.0080.00916.38
7.4.110.0080.00916.30
7.4.100.0090.01216.34
7.4.90.0100.00716.26
7.4.80.0070.01119.39
7.4.70.0070.01016.29
7.4.60.0030.01316.27
7.4.50.0000.01616.17
7.4.40.0140.00316.28
7.4.30.0070.01016.17
7.4.00.0000.00914.84
7.3.330.0060.00013.11
7.3.320.0000.00612.87
7.3.310.0000.00716.00
7.3.300.0030.00316.13
7.3.290.0100.00516.16
7.3.280.0110.00616.13
7.3.270.0090.00817.40
7.3.260.0080.00916.11
7.3.250.0130.00716.30
7.3.240.0080.01016.24
7.3.230.0100.00716.46
7.3.210.0090.00916.11
7.3.200.0090.01316.04
7.3.190.0120.00916.18
7.3.180.0100.00716.07
7.3.170.0100.00716.07
7.3.160.0080.00816.39
7.2.330.0030.01416.07
7.2.320.0120.00616.33
7.2.310.0140.00316.20
7.2.300.0170.00716.32
7.2.290.0170.00716.41
7.2.110.0100.01315.74
7.2.60.0110.00416.58
7.2.50.0040.01116.59
7.1.200.0120.00015.69
7.1.70.0000.00816.95
7.1.60.1000.01333.04
7.1.50.0430.00332.71
7.1.40.1230.01032.57
7.1.30.2000.00732.43
7.1.20.1330.01332.72
7.1.10.1030.01314.52
7.1.00.1500.00714.86
7.0.200.0730.00714.58
7.0.190.0230.01714.60
7.0.180.1270.01014.17
7.0.170.2070.01014.30
7.0.160.2030.01014.18
7.0.150.0830.01014.14
7.0.140.1300.01714.17
7.0.130.1000.00714.58
7.0.120.0930.01014.56
7.0.110.1200.00714.35
7.0.100.1200.01314.38
7.0.90.2100.00714.23
7.0.80.2170.00714.40
7.0.70.1170.01014.26
7.0.60.1030.01714.17
7.0.50.1030.01314.22
7.0.40.1030.00714.45
7.0.30.0970.01314.61
7.0.20.1130.01014.52
7.0.10.1600.01314.38
7.0.00.1530.01014.36

preferences:
31.64 ms | 400 KiB | 5 Q