3v4l.org

run code in 300+ PHP versions simultaneously
<?php $objs = json_decode('{"a":{"key":"a", value:2}, "b":{"key":"b", value:3}}', true); var_dump($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)
8.3.60.0060.01518.43
8.3.50.0070.00717.92
8.3.40.0070.00718.78
8.3.30.0110.00418.60
8.3.20.0080.00019.33
8.3.10.0080.00023.53
8.3.00.0000.00720.74
8.2.180.0040.01118.66
8.2.170.0070.00722.96
8.2.160.0100.00320.52
8.2.150.0000.00724.18
8.2.140.0000.00824.66
8.2.130.0040.00417.97
8.2.120.0040.00426.35
8.2.110.0050.00519.23
8.2.100.0060.00618.22
8.2.90.0080.00017.61
8.2.80.0090.00317.97
8.2.70.0000.01017.68
8.2.60.0040.00417.91
8.2.50.0030.00518.10
8.2.40.0040.00419.06
8.2.30.0080.00019.24
8.2.20.0040.00418.04
8.2.10.0000.00717.88
8.2.00.0040.00417.71
8.1.280.0090.00625.92
8.1.270.0030.00520.48
8.1.260.0050.00326.35
8.1.250.0070.00028.09
8.1.240.0030.00622.05
8.1.230.0080.00418.82
8.1.220.0060.00317.74
8.1.210.0050.00318.77
8.1.200.0030.00617.35
8.1.190.0030.00517.25
8.1.180.0000.00818.10
8.1.170.0060.00318.46
8.1.160.0000.00718.82
8.1.150.0040.00418.76
8.1.140.0070.00022.11
8.1.130.0040.00420.26
8.1.120.0070.00017.31
8.1.110.0050.00217.29
8.1.100.0000.00817.28
8.1.90.0000.00817.41
8.1.80.0060.00317.28
8.1.70.0000.00717.45
8.1.60.0050.00517.40
8.1.50.0040.00417.42
8.1.40.0030.00517.53
8.1.30.0090.00017.62
8.1.20.0000.00917.71
8.1.10.0040.00417.62
8.1.00.0000.00717.47
8.0.300.0050.00218.77
8.0.290.0040.00416.75
8.0.280.0030.00418.33
8.0.270.0030.00317.11
8.0.260.0060.00318.34
8.0.250.0000.00716.87
8.0.240.0030.00316.98
8.0.230.0030.00316.91
8.0.220.0050.00216.81
8.0.210.0000.00716.80
8.0.200.0000.00716.84
8.0.190.0040.00416.97
8.0.180.0060.00316.84
8.0.170.0060.00316.84
8.0.160.0040.00417.02
8.0.150.0000.01016.88
8.0.140.0030.00316.91
8.0.130.0030.00313.38
8.0.120.0070.00016.84
8.0.110.0080.00016.97
8.0.100.0080.00016.75
8.0.90.0000.00816.89
8.0.80.0110.00816.85
8.0.70.0040.00416.77
8.0.60.0000.00716.88
8.0.50.0050.00316.91
8.0.30.0090.00717.04
8.0.20.0100.00717.40
8.0.10.0000.00717.02
8.0.00.0160.00616.76
7.4.330.0050.00215.55
7.4.320.0070.00016.54
7.4.300.0000.00716.50
7.4.290.0070.00016.42
7.4.280.0030.00716.38
7.4.270.0000.00716.46
7.4.260.0040.00316.42
7.4.250.0070.00016.37
7.4.240.0000.00716.55
7.4.230.0030.00316.54
7.4.220.0030.00516.42
7.4.210.0050.01116.43
7.4.200.0030.00316.53
7.4.160.0090.01016.46
7.4.140.0150.00617.86
7.4.130.0110.00616.52
7.4.120.0110.00716.55
7.4.110.0120.00616.56
7.4.100.0030.01316.47
7.4.90.0130.00516.42
7.4.80.0120.00819.39
7.4.70.0120.01216.36
7.4.60.0100.00716.34
7.4.50.0150.00016.43
7.4.40.0070.01016.27
7.4.00.0080.00814.91
7.3.330.0000.00513.00
7.3.320.0000.00613.06
7.3.310.0040.00416.20
7.3.300.0030.00316.13
7.3.290.0030.00316.28
7.3.280.0120.00716.25
7.3.260.0100.01116.31
7.3.240.0050.01316.39
7.3.230.0160.00016.30
7.3.210.0110.00716.17
7.3.200.0080.00816.21
7.3.190.0090.01116.36
7.3.180.0060.01016.48
7.3.170.0060.01916.25
7.3.160.0070.01016.29
7.3.120.0000.01214.54
7.3.110.0000.01314.98
7.3.100.0100.01014.95
7.3.90.0030.01014.68
7.3.80.0060.00914.58
7.3.70.0030.01114.68
7.3.60.0070.00714.92
7.3.50.0070.00714.54
7.3.40.0030.01314.42
7.3.30.0070.00414.72
7.3.20.0040.01116.75
7.3.10.0080.00516.58
7.3.00.0050.00916.64
7.2.330.0120.00616.66
7.2.320.0040.01416.64
7.2.310.0070.01016.72
7.2.300.0090.00816.41
7.2.290.0070.01016.64
7.2.250.0040.00714.95
7.2.240.0130.00714.95
7.2.230.0030.01314.90
7.2.220.0060.00314.89
7.2.210.0100.00715.05
7.2.200.0090.00614.82
7.2.190.0090.00614.82
7.2.180.0030.01514.92
7.2.170.0090.00315.22
7.2.130.0040.00716.80
7.2.120.0030.01016.67
7.2.110.0380.00815.77
7.2.100.0160.00615.89
7.2.90.0150.00515.75
7.2.80.0140.00715.82
7.2.70.0140.00815.86
7.2.60.0170.00615.69
7.2.50.0260.01015.81
7.2.40.0150.00715.81
7.2.30.0130.01115.87
7.2.20.0140.00615.95
7.2.10.0170.00515.93
7.2.00.0110.00815.86
7.1.330.0080.00515.74
7.1.320.0130.00015.94
7.1.310.0030.01315.71
7.1.300.0030.01415.57
7.1.290.0090.00915.69
7.1.280.0040.00415.80
7.1.270.0040.00715.45
7.1.260.0060.00315.82
7.1.250.0060.00615.45
7.1.230.0140.01313.89
7.1.220.0170.01413.65
7.1.210.0230.00513.79
7.1.200.0160.00613.91
7.1.190.0270.00313.90
7.1.180.0190.00613.89
7.1.170.0200.00713.79
7.1.160.0230.00613.84
7.1.150.0240.00314.09
7.1.140.0220.00613.82
7.1.130.0590.00613.79
7.1.120.0230.00313.98
7.1.110.0240.00713.81
7.1.100.0250.00414.00
7.1.90.0220.00313.85
7.1.80.0190.00613.98
7.1.70.0220.00914.04
7.1.60.0320.01331.82
7.1.50.0290.02031.68
7.1.40.0380.01031.84
7.1.30.0270.01731.70
7.1.20.0430.00331.90
7.1.10.0210.00613.84
7.1.00.0240.00713.93
5.6.380.0110.00314.09

preferences:
56.15 ms | 401 KiB | 5 Q