3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ 'a' => 1, 'b' => 2, 'c' => 3, 'd' => true, 'e' => 'e', 'f' => [ 'inside f' => 'f1' ], ]; echo json_encode($array);

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)
8.5.10.0050.00320.21
8.5.00.0100.01019.89
8.4.160.0110.01123.77
8.4.150.0030.00014.05
8.4.140.0140.00617.39
8.4.130.0040.00417.65
8.4.120.0110.00820.73
8.4.110.0100.01022.35
8.4.100.0140.00717.54
8.4.90.0090.01118.79
8.4.80.0110.00917.70
8.4.70.0060.00317.80
8.4.60.0110.00918.73
8.4.50.0050.00419.50
8.4.40.0140.00719.27
8.4.30.0070.00720.39
8.4.20.0200.00019.71
8.4.10.0070.00323.74
8.3.280.0140.00718.32
8.3.270.0130.00816.61
8.3.260.0150.00516.21
8.3.250.0110.00818.72
8.3.240.0120.00716.59
8.3.230.0130.00716.50
8.3.220.0060.00117.11
8.3.210.0110.00816.48
8.3.200.0050.00416.36
8.3.190.0110.00616.94
8.3.180.0120.00716.32
8.3.170.0080.00018.99
8.3.160.0040.01416.46
8.3.150.0070.00720.70
8.3.140.0000.00816.65
8.3.130.0050.00318.48
8.3.120.0060.00320.68
8.3.110.0080.00016.49
8.3.100.0060.00316.41
8.3.90.0160.00318.33
8.3.80.0070.00418.31
8.3.70.0090.00616.58
8.3.60.0090.00617.94
8.3.50.0120.00916.66
8.3.40.0140.00320.07
8.3.30.0090.00618.46
8.3.20.0040.00424.18
8.3.10.0050.00224.66
8.3.00.0050.00326.16
8.2.290.0090.00820.16
8.2.280.0150.00418.18
8.2.270.0110.00717.28
8.2.260.0150.00020.07
8.2.250.0080.00018.16
8.2.240.0080.00016.50
8.2.230.0050.00320.94
8.2.220.0090.00024.06
8.2.210.0120.00326.77
8.2.200.0060.00316.38
8.2.190.0030.01418.29
8.2.180.0180.00025.92
8.2.170.0100.00718.84
8.2.160.0060.01022.96
8.2.150.0080.00025.66
8.2.140.0030.00624.66
8.2.130.0080.00026.16
8.2.120.0040.00426.16
8.2.110.0030.00722.25
8.2.100.0000.01317.84
8.2.90.0040.00419.17
8.2.80.0040.00417.97
8.2.70.0090.00017.47
8.2.60.0040.00417.93
8.2.50.0050.00318.07
8.2.40.0060.00319.76
8.2.30.0000.00918.08
8.2.20.0030.00619.37
8.2.10.0040.00419.36
8.2.00.0000.00818.20
8.1.330.0060.00321.91
8.1.320.0130.00715.85
8.1.310.0060.00316.88
8.1.300.0030.00715.96
8.1.290.0060.00318.88
8.1.280.0120.00625.92
8.1.270.0030.00624.66
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0000.01121.36
8.1.230.0100.00017.82
8.1.220.0030.00517.74
8.1.210.0000.00818.77
8.1.200.0040.00417.13
8.1.190.0060.00317.23
8.1.180.0050.00318.10
8.1.170.0030.00618.43
8.1.160.0070.00018.82
8.1.150.0000.00718.20
8.1.140.0040.00418.20
8.1.130.0030.00719.27
8.1.120.0040.00818.20
8.1.110.0070.00418.20
8.1.100.0050.00518.20
8.1.90.0040.00718.20
8.1.80.0000.01218.20
8.1.70.0020.00918.20
8.1.60.0030.00718.20
8.1.50.0050.00518.20
8.1.40.0100.00318.20
8.1.30.0000.00818.20
8.1.20.0050.00518.20
8.1.10.0040.00718.20
8.1.00.0100.00018.20
8.0.300.0040.00418.77
8.0.290.0060.00316.75
8.0.280.0000.00718.43
8.0.270.0030.00618.20
8.0.260.0070.00318.20
8.0.250.0090.00018.20
8.0.240.0000.00918.20
8.0.230.0040.00418.20
8.0.220.0050.00518.20
8.0.210.0070.00318.20
8.0.200.0000.00918.20
8.0.190.0050.00518.20
8.0.180.0070.00418.20
8.0.170.0080.00018.20
8.0.160.0000.00818.20
8.0.150.0000.00918.20
8.0.140.0040.00418.20
8.0.130.0080.00318.20
8.0.120.0050.00318.20
8.0.110.0080.00018.20
8.0.100.0070.00418.20
8.0.90.0090.00018.20
8.0.80.0060.00618.20
8.0.70.0060.00318.20
8.0.60.0050.00518.20
8.0.50.0070.00218.20
8.0.30.0040.00418.20
8.0.20.0030.00518.20
8.0.10.0000.00718.20

preferences:
113.21 ms | 403 KiB | 5 Q