3v4l.org

run code in 300+ PHP versions simultaneously
<?php $objs = json_decode('"obj":{"a":{"key":"a", value:2}, "b":{"key":"b", value:3}}', true); var_dump($objs); $objs = array_column($objs, null, "key"); $objs['a']['value'] = 5; var_dump($objs);

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)
8.3.60.0040.01416.63
8.3.50.0090.00618.19
8.3.40.0040.01118.65
8.3.30.0070.00718.57
8.3.20.0080.00019.22
8.3.10.0070.00323.68
8.3.00.0040.00420.67
8.2.180.0110.00418.66
8.2.170.0090.00622.96
8.2.160.0100.00320.32
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0000.00817.97
8.2.120.0040.00426.35
8.2.110.0090.00019.33
8.2.100.0030.01018.03
8.2.90.0050.00517.63
8.2.80.0040.00717.97
8.2.70.0080.00017.91
8.2.60.0000.00918.16
8.2.50.0030.00618.10
8.2.40.0040.00419.36
8.2.30.0000.00819.17
8.2.20.0040.00417.90
8.2.10.0040.00417.87
8.2.00.0080.00017.73
8.1.280.0050.00925.92
8.1.270.0000.00920.50
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0040.00422.19
8.1.230.0090.00318.85
8.1.220.0090.00017.74
8.1.210.0040.00418.77
8.1.200.0060.00317.25
8.1.190.0040.00417.23
8.1.180.0050.00318.10
8.1.170.0040.00418.39
8.1.160.0040.00418.83
8.1.150.0050.00318.80
8.1.140.0050.00322.13
8.1.130.0050.00320.31
8.1.120.0000.00717.43
8.1.110.0030.00317.44
8.1.100.0000.00717.45
8.1.90.0040.00417.40
8.1.80.0080.00017.30
8.1.70.0000.01017.28
8.1.60.0080.00317.42
8.1.50.0000.00817.50
8.1.40.0050.00317.49
8.1.30.0060.00317.64
8.1.20.0050.00217.56
8.1.10.0070.00017.48
8.1.00.0000.00817.43
8.0.300.0060.00318.77
8.0.290.0040.00416.75
8.0.280.0030.00318.30
8.0.270.0000.00717.19
8.0.260.0040.00418.46
8.0.250.0000.00716.93
8.0.240.0030.00316.87
8.0.230.0070.00016.91
8.0.220.0000.00716.89
8.0.210.0030.00316.91
8.0.200.0050.00316.93
8.0.190.0040.00417.02
8.0.180.0030.00616.97
8.0.170.0030.00616.91
8.0.160.0080.00016.91
8.0.150.0000.00816.88
8.0.140.0000.00716.75
8.0.130.0090.00013.27
8.0.120.0070.00016.82
8.0.110.0040.00416.95
8.0.100.0000.00716.95
8.0.90.0040.00417.00
8.0.80.0100.00616.88
8.0.70.0000.00716.71
8.0.60.0050.00216.88
8.0.50.0000.00816.88
8.0.30.0080.01617.06
8.0.20.0100.00917.40
8.0.10.0030.00617.04
8.0.00.0140.00616.82
7.4.330.0000.00615.55
7.4.320.0000.00716.53
7.4.300.0000.00716.57
7.4.290.0030.00316.58
7.4.280.0060.00316.47
7.4.270.0030.00316.35
7.4.260.0040.00416.44
7.4.250.0060.00316.27
7.4.240.0000.00716.53
7.4.230.0070.00016.24
7.4.220.0030.00616.34
7.4.210.0040.01216.44
7.4.200.0070.00016.33
7.4.160.0060.01116.56
7.4.140.0080.01217.86
7.4.130.0100.00716.35
7.4.120.0100.00916.43
7.4.110.0150.00416.40
7.4.100.0120.00916.45
7.4.90.0060.01016.56
7.4.80.0130.00919.39
7.4.70.0070.01016.63
7.4.60.0120.00616.45
7.4.50.0120.00316.30
7.4.40.0060.01016.32
7.4.00.0100.00614.70
7.3.330.0050.00013.07
7.3.320.0000.00713.25
7.3.310.0030.00616.27
7.3.300.0070.00016.11
7.3.290.0000.00716.07
7.3.280.0090.00716.24
7.3.260.0070.01116.45
7.3.240.0100.00816.35
7.3.230.0050.01116.25
7.3.210.0060.01316.51
7.3.200.0030.01416.57
7.3.190.0100.01016.24
7.3.180.0130.00316.51
7.3.170.0030.01916.65
7.3.160.0060.00916.50
7.3.120.0110.00715.02
7.3.110.0100.00714.74
7.3.100.0090.00614.82
7.3.90.0000.01414.53
7.3.80.0160.00014.63
7.3.70.0040.00814.78
7.3.60.0070.00714.91
7.3.50.0100.00314.61
7.3.40.0030.00714.51
7.3.30.0120.00314.40
7.3.20.0100.00316.55
7.3.10.0040.01116.63
7.3.00.0000.01416.36
7.2.330.0090.00916.71
7.2.320.0030.01316.77
7.2.310.0030.01316.63
7.2.300.0100.00616.65
7.2.290.0080.00816.37
7.2.250.0060.01314.54
7.2.240.0130.00714.69
7.2.230.0030.01615.05
7.2.220.0000.01315.29
7.2.210.0120.00314.59
7.2.200.0030.01315.05
7.2.190.0070.01015.09
7.2.180.0030.01415.00
7.2.170.0100.00714.77
7.2.110.0190.00614.60
7.2.100.0120.00914.87
7.2.90.0170.01014.59
7.2.80.0200.00614.80
7.2.70.0140.01014.65
7.2.60.0190.00614.98
7.2.50.0220.00614.59
7.2.40.0210.00614.98
7.2.30.0250.00715.19
7.2.20.0150.00914.83
7.2.10.0200.01014.88
7.2.00.0130.01314.58
7.1.330.0000.01515.68
7.1.320.0090.00315.94
7.1.310.0090.00015.86
7.1.300.0100.00315.60
7.1.290.0100.00715.56
7.1.280.0120.00315.52
7.1.270.0030.00615.82
7.1.260.0040.00415.97
7.1.230.0150.00714.02
7.1.220.0250.00613.69
7.1.210.0220.00613.54
7.1.200.0210.00314.14
7.1.190.0160.01013.90
7.1.180.0180.00413.81
7.1.170.0130.01013.72
7.1.160.0140.00714.06
7.1.150.0210.00313.85
7.1.140.0180.00613.79
7.1.130.0210.00313.86
7.1.120.0260.00013.90
7.1.110.0170.00613.90
7.1.100.0210.01413.86
7.1.90.0160.00613.81
7.1.80.0200.00713.87
7.1.70.0150.00613.49
7.1.60.0310.01431.73
7.1.50.0670.01031.70
7.1.40.0420.00031.76
7.1.30.0360.00331.62
7.1.20.0400.00331.65
7.1.10.0160.00913.59
7.1.00.0190.00613.61
5.6.380.0030.00814.25

preferences:
64.55 ms | 400 KiB | 5 Q