3v4l.org

run code in 300+ PHP versions simultaneously
<?php $my_obj1 = ["0" => "something"]; $my_obj1 = json_encode($my_obj1, JSON_FORCE_OBJECT); $my_obj2 = ["1" => "something else"]; $my_obj2 = json_encode($my_obj2); echo json_encode(json_decode($my_obj1));

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)
8.4.120.0070.01223.98
8.4.110.0090.01221.28
8.4.100.0060.00318.69
8.4.90.0100.01319.00
8.4.80.0060.01020.40
8.4.70.0090.00918.02
8.4.60.0120.00818.78
8.4.50.0090.01122.46
8.4.40.0160.00319.54
8.4.30.0070.01122.42
8.4.20.0130.01018.93
8.4.10.0040.00422.45
8.3.250.0110.01018.80
8.3.240.0090.01016.91
8.3.230.0120.00716.51
8.3.220.0130.00618.89
8.3.210.0110.00818.55
8.3.200.0030.00516.79
8.3.190.0100.01018.78
8.3.180.0110.00416.51
8.3.170.0070.00817.20
8.3.160.0130.00616.50
8.3.150.0130.00619.01
8.3.140.0120.00616.44
8.3.130.0040.00418.38
8.3.120.0060.00319.00
8.3.110.0040.00420.94
8.3.100.0040.00724.06
8.3.90.0040.00426.77
8.3.80.0030.00618.18
8.3.70.0090.01218.39
8.3.60.0070.00716.63
8.3.50.0040.00918.07
8.3.40.0060.01218.71
8.3.30.0100.01018.54
8.3.20.0080.00021.73
8.3.10.0040.00421.77
8.3.00.0070.00022.39
8.2.290.0090.00920.36
8.2.280.0050.00318.49
8.2.270.0080.00016.39
8.2.260.0030.00620.66
8.2.250.0050.00316.63
8.2.240.0070.01318.74
8.2.230.0090.00622.58
8.2.220.0000.00837.54
8.2.210.0130.00626.77
8.2.200.0070.00416.63
8.2.190.0110.00616.75
8.2.180.0000.01518.54
8.2.170.0090.00622.96
8.2.160.0130.00320.11
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0000.00819.68
8.2.110.0000.01022.07
8.2.100.0080.00317.72
8.2.90.0030.00620.63
8.2.80.0000.00817.97
8.2.70.0040.00417.93
8.2.60.0040.00418.09
8.2.50.0000.00818.10
8.2.40.0060.00321.06
8.2.30.0040.00419.25
8.2.20.0000.00718.16
8.2.10.0000.00718.88
8.2.00.0040.00419.25
8.1.330.0110.00721.74
8.1.320.0110.00816.25
8.1.310.0070.01118.54
8.1.300.0070.00319.50
8.1.290.0030.00618.88
8.1.280.0060.00825.92
8.1.270.0030.00620.39
8.1.260.0000.00826.35
8.1.250.0030.00528.09
8.1.240.0030.00722.46
8.1.230.0030.01020.88
8.1.220.0000.00817.79
8.1.210.0000.00818.82
8.1.200.0080.00017.22
8.1.190.0090.00317.23
8.1.180.0000.00718.10
8.1.170.0040.00420.77
8.1.160.0070.00018.91
8.1.150.0070.00018.77
8.1.140.0040.00418.83
8.1.130.0030.00320.11
8.1.120.0100.00017.40
8.1.110.0040.00417.42
8.1.100.0000.00717.41
8.1.90.0070.00017.43
8.1.80.0040.00417.38
8.1.70.0000.00717.38
8.1.60.0040.00417.39
8.1.50.0040.00417.34
8.1.40.0040.00417.48
8.1.30.0000.00817.54
8.1.20.0000.00817.47
8.1.10.0040.00417.48
8.1.00.0040.00417.43
8.0.300.0040.00419.86
8.0.290.0040.00416.75
8.0.280.0030.00318.44
8.0.270.0030.00316.66
8.0.260.0030.00319.97
8.0.250.0070.00016.86
8.0.240.0090.00016.94
8.0.230.0030.00316.84
8.0.220.0000.00716.76
8.0.210.0030.00316.81
8.0.200.0040.00416.84
8.0.190.0030.00516.86
8.0.180.0000.00716.85
8.0.170.0000.00916.72
8.0.160.0020.00516.88
8.0.150.0030.00316.78
8.0.140.0000.00716.71
8.0.130.0000.00513.25
8.0.120.0040.00416.79
8.0.110.0040.00416.75
8.0.100.0040.00416.89
8.0.90.0040.00416.75
8.0.80.0030.01216.83
8.0.70.0040.00416.68
8.0.60.0040.00416.73
8.0.50.0000.00716.83
8.0.30.0120.00417.10
8.0.20.0150.00316.86
8.0.10.0000.00717.00
8.0.00.0060.01216.89
7.4.330.0000.00415.55
7.4.320.0060.00016.48
7.4.300.0000.00616.42
7.4.290.0000.00816.33
7.4.280.0080.00516.48
7.4.270.0000.00716.42
7.4.260.0050.00316.34
7.4.250.0030.00516.30
7.4.240.0030.00516.35
7.4.230.0030.00316.41
7.4.220.0030.00316.46
7.4.210.0100.00716.47
7.4.200.0030.00516.39
7.4.130.0070.01016.34
7.4.120.0070.01416.44
7.4.110.0140.00616.65
7.4.100.0060.01216.51
7.4.90.0120.00616.27
7.4.80.0000.01819.39
7.4.70.0000.01816.48
7.4.60.0060.01216.29
7.4.50.0070.01016.33
7.4.40.0080.01416.20
7.4.00.0050.00914.83
7.3.330.0030.00316.00
7.3.320.0000.00512.98
7.3.310.0040.00416.09
7.3.300.0030.00316.13
7.3.290.0070.00016.16
7.3.280.0030.01316.12
7.3.260.0130.00716.32
7.3.230.0130.00916.13
7.3.210.0180.00416.23
7.3.200.0080.00816.16
7.3.190.0040.01216.17
7.3.180.0060.00916.33
7.3.170.0090.00616.23
7.3.160.0030.01316.31
7.3.120.0050.01114.75
7.3.110.0080.00814.70
7.3.100.0080.00714.84
7.3.90.0100.00314.63
7.3.80.0060.00914.67
7.3.70.0050.00814.58
7.3.60.0020.01214.70
7.3.50.0090.00414.69
7.3.40.0110.00414.72
7.3.30.0070.00714.53
7.3.20.0050.00815.88
7.3.10.0070.00515.92
7.3.00.0060.00815.88
7.2.330.0120.00916.60
7.2.320.0100.00716.68
7.2.310.0000.01616.42
7.2.300.0160.00316.28
7.2.290.0070.01316.26
7.2.250.0130.00314.91
7.2.240.0070.00814.84
7.2.230.0070.00715.00
7.2.220.0060.00914.76
7.2.210.0090.00414.75
7.2.200.0060.00914.88
7.2.190.0040.01014.80
7.2.180.0080.00714.86
7.2.170.0060.00814.73
7.2.160.0060.01015.04
7.2.150.0120.00515.92
7.2.140.0060.00915.88
7.2.130.0060.00915.64
7.2.120.0030.01415.92
7.2.110.0100.00515.80
7.2.100.0080.00815.77
7.2.90.0090.00615.86
7.2.80.0070.01215.76
7.2.70.0090.00615.79
7.2.60.0040.01215.75
7.2.50.0050.01115.96
7.2.40.0110.00515.94
7.2.30.0060.00916.00
7.2.20.0050.00915.84
7.2.10.0070.00715.71
7.2.00.0080.00515.82
7.1.330.0030.01215.13
7.1.320.0030.01115.13
7.1.310.0060.00915.19
7.1.300.0060.00515.25
7.1.290.0080.00515.02
7.1.280.0070.00615.09
7.1.270.0080.00614.94
7.1.260.0050.01015.01
7.1.250.0150.00014.78

preferences:
26.22 ms | 403 KiB | 5 Q