3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(json_decode('{"4":"Taaaaa"}')); $array = (array)(json_decode('{"4":"Taaaaa"}')); var_dump(array_keys($array)); $key = "4"; var_dump($key, $array, $array[(string)$key]);

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)
8.3.60.0100.01018.43
8.3.50.0040.01216.36
8.3.40.0100.00718.67
8.3.30.0140.00718.71
8.3.20.0070.00018.98
8.3.10.0040.00421.72
8.3.00.0040.00419.66
8.2.180.0110.00318.41
8.2.170.0060.01122.96
8.2.160.0100.00720.22
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0030.00726.16
8.2.120.0140.00020.90
8.2.110.0100.00020.94
8.2.100.0090.00318.22
8.2.90.0000.00819.25
8.2.80.0080.00017.97
8.2.70.0000.00817.62
8.2.60.0050.00318.05
8.2.50.0080.00018.10
8.2.40.0030.00520.59
8.2.30.0050.00519.12
8.2.20.0070.00018.05
8.2.10.0000.00718.09
8.2.00.0040.00417.66
8.1.280.0100.00725.92
8.1.270.0070.00024.66
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0050.00522.59
8.1.230.0000.01120.36
8.1.220.0030.00617.74
8.1.210.0040.00418.77
8.1.200.0050.00517.22
8.1.190.0000.00816.88
8.1.180.0070.00018.10
8.1.170.0050.00318.50
8.1.160.0040.00418.81
8.1.150.0000.00720.25
8.1.140.0050.00219.50
8.1.130.0060.00319.00
8.1.120.0070.00017.36
8.1.110.0000.00817.34
8.1.100.0030.00517.36
8.1.90.0040.00417.36
8.1.80.0040.00417.35
8.1.70.0000.00817.48
8.1.60.0040.00417.51
8.1.50.0040.00417.39
8.1.40.0070.00017.47
8.1.30.0060.00317.64
8.1.20.0000.00717.52
8.1.10.0000.00717.47
8.1.00.0020.00517.49
8.0.300.0000.00718.77
8.0.290.0000.00816.63
8.0.280.0040.00418.43
8.0.270.0030.00317.07
8.0.260.0000.00817.17
8.0.250.0030.00316.84
8.0.240.0040.00416.87
8.0.230.0030.00616.92
8.0.220.0000.00716.79
8.0.210.0000.00616.70
8.0.200.0050.00216.87
8.0.190.0070.00416.86
8.0.180.0000.00716.73
8.0.170.0000.00816.80
8.0.160.0070.00016.95
8.0.150.0030.00316.89
8.0.140.0030.00316.68
8.0.130.0000.00513.26
8.0.120.0040.00416.82
8.0.110.0040.00416.70
8.0.100.0050.00216.66
8.0.90.0000.00716.81
8.0.80.0150.00416.91
8.0.70.0040.00416.71
8.0.60.0070.00016.82
8.0.50.0000.00716.88
8.0.30.0040.01317.20
8.0.20.0080.01117.40
8.0.10.0000.00716.89
8.0.00.0090.00916.66
7.4.330.0060.00015.55
7.4.320.0060.00016.50
7.4.300.0060.00016.58
7.4.290.0080.00016.58
7.4.280.0050.00316.60
7.4.270.0060.00316.59
7.4.260.0050.00316.55
7.4.250.0050.00216.38
7.4.240.0060.00316.43
7.4.230.0030.00316.60
7.4.220.0070.01116.60
7.4.210.0070.00716.68
7.4.200.0000.00716.68
7.4.160.0110.00516.43
7.4.150.0110.00917.40
7.4.140.0100.00917.86
7.4.130.0110.00816.49
7.4.120.0090.01116.50
7.4.110.0090.00916.53
7.4.100.0090.00816.51
7.4.90.0130.00316.56
7.4.80.0030.01319.39
7.4.70.0030.01316.39
7.4.60.0070.01016.43
7.4.50.0090.00316.29
7.4.40.0090.00916.35
7.4.30.0100.01316.37
7.4.10.0020.01414.90
7.4.00.0070.00815.06
7.3.330.0060.00013.03
7.3.320.0050.00013.05
7.3.310.0040.00416.37
7.3.300.0000.00716.37
7.3.290.0080.01116.26
7.3.280.0060.01116.26
7.3.270.0070.01017.40
7.3.260.0070.01016.50
7.3.250.0150.00316.47
7.3.240.0060.01116.38
7.3.230.0120.00816.52
7.3.210.0070.01016.32
7.3.200.0120.00416.30
7.3.190.0080.00816.36
7.3.180.0000.01816.32
7.3.170.0090.01216.37
7.3.160.0130.00616.57
7.3.130.0070.01214.83
7.3.120.0070.01114.94
7.3.110.0140.00314.82
7.3.100.0060.00814.81
7.3.90.0060.01014.80
7.3.80.0040.00814.94
7.3.70.0070.00614.66
7.3.60.0030.00914.88
7.3.50.0070.00814.79
7.3.40.0070.00814.81
7.3.30.0050.00914.72
7.3.20.0080.00416.61
7.3.10.0040.00916.70
7.3.00.0040.00916.56
7.2.330.0130.00616.67
7.2.320.0060.01216.36
7.2.310.0130.01016.39
7.2.300.0070.01416.43
7.2.290.0090.00916.48
7.2.260.0070.00915.13
7.2.250.0100.00614.74
7.2.240.0030.01115.02
7.2.230.0040.01214.90
7.2.220.0080.00815.06
7.2.210.0060.00715.10
7.2.200.0040.01214.86
7.2.190.0080.00514.89
7.2.180.0020.00814.77
7.2.170.0030.01215.03
7.2.160.0060.00714.84
7.2.150.0050.01116.79
7.2.140.0080.00816.84
7.2.130.0030.00916.79
7.2.120.0050.00916.70
7.2.110.0050.00916.85
7.2.100.0040.00816.80
7.2.90.0030.01216.62
7.2.80.0080.00816.79
7.2.70.0100.00716.70
7.2.60.0050.01116.69
7.2.50.0090.00816.69
7.2.40.0050.00916.83
7.2.30.0070.01016.95
7.2.20.0040.01016.80
7.2.10.0050.00716.73
7.2.00.0090.00817.45
7.1.330.0050.01015.85
7.1.320.0030.01115.75
7.1.310.0060.00715.85
7.1.300.0030.01215.79
7.1.290.0040.00815.82
7.1.280.0050.00815.87
7.1.270.0020.01115.83
7.1.260.0050.00715.82
7.1.250.0010.01215.85
7.1.240.0070.00715.81
7.1.230.0080.00615.85
7.1.220.0030.00815.62
7.1.210.0120.00215.69
7.1.200.0040.00815.75
7.1.190.0050.00615.83
7.1.180.0030.01115.63
7.1.170.0060.00815.82
7.1.160.0050.00815.95
7.1.150.0040.00915.80
7.1.140.0030.01115.79
7.1.130.0120.00215.86
7.1.120.0080.00715.78
7.1.110.0060.00615.88
7.1.100.0030.01116.66
7.1.90.0050.00915.90
7.1.80.0050.00915.89
7.1.70.0060.00716.34
7.1.60.0050.01016.32
7.1.50.0100.00716.02
7.1.40.0050.01015.78
7.1.30.0040.01015.57
7.1.20.0050.00915.96
7.1.10.0040.00815.76
7.1.00.0100.02118.06
7.0.330.0070.00515.28
7.0.320.0080.00515.14
7.0.310.0050.00615.37
7.0.300.0050.00715.30
7.0.290.0050.00715.08
7.0.280.0050.01215.34
7.0.270.0050.00815.29
7.0.260.0070.00615.38
7.0.250.0060.00515.47
7.0.240.0040.00915.48
7.0.230.0080.00515.32
7.0.220.0080.00515.45
7.0.210.0120.00215.46
7.0.200.0490.01015.11
7.0.190.0080.00615.34
7.0.180.0030.01115.43
7.0.170.0020.01215.35
7.0.160.0050.00715.48
7.0.150.0070.00915.47
7.0.140.0080.02717.61
7.0.130.0090.02217.61
7.0.120.0090.02417.58
7.0.110.0100.02317.58
7.0.100.0070.02717.47
7.0.90.0070.02617.58
7.0.80.0070.02517.65
7.0.70.0070.02417.58
7.0.60.0060.02217.65
7.0.50.0070.02417.74
7.0.40.0030.02516.42
7.0.30.0090.02016.38
7.0.20.0040.02616.33
7.0.10.0040.02316.39
7.0.00.0040.02316.28
5.6.400.0060.00614.33
5.6.390.0070.00514.33
5.6.380.0050.00514.18
5.6.370.0050.00714.26
5.6.360.0090.00714.42
5.6.350.0020.01114.41
5.6.340.0090.00214.24
5.6.330.0060.00614.39
5.6.320.0080.00414.20
5.6.310.0090.00414.29
5.6.300.0080.00614.14
5.6.290.0080.02316.47
5.6.280.0110.02116.67
5.6.270.0100.02116.41
5.6.260.0060.02316.68
5.6.250.0060.02616.34
5.6.240.0090.02016.45
5.6.230.0080.02416.60
5.6.220.0060.02516.54
5.6.210.0070.02016.45
5.6.200.0090.02316.58
5.6.190.0090.02316.42
5.6.180.0040.02716.49
5.6.170.0030.02716.62
5.6.160.0080.02316.52
5.6.150.0110.02116.39
5.6.140.0070.02316.53
5.6.130.0080.02216.46
5.6.120.0060.02516.74
5.6.110.0080.02416.47
5.6.100.0070.02416.39
5.6.90.0120.02116.52
5.6.80.0120.02016.25
5.6.70.0090.02716.25
5.6.60.0070.02316.22
5.6.50.0040.02516.13
5.6.40.0090.02116.17
5.6.30.0080.02316.32
5.6.20.0070.02816.43
5.6.10.0040.02516.14
5.6.00.0080.02316.20

preferences:
55.64 ms | 401 KiB | 5 Q