3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = (array)json_decode('{"9999":true}'); var_dump($arr, key($arr), isset($arr['9999']));

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)
8.3.60.0060.00916.63
8.3.50.0070.00716.25
8.3.40.0070.00718.71
8.3.30.0150.00318.50
8.3.20.0040.00420.21
8.3.10.0000.00823.43
8.3.00.0040.00422.37
8.2.180.0190.00318.41
8.2.170.0090.00622.96
8.2.160.0110.00320.38
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0000.00826.16
8.2.120.0050.00517.63
8.2.110.0090.00022.27
8.2.100.0090.00317.50
8.2.90.0000.00919.11
8.2.80.0040.00417.97
8.2.70.0030.00617.49
8.2.60.0090.00017.80
8.2.50.0060.00318.07
8.2.40.0000.00821.00
8.2.30.0070.00019.84
8.2.20.0000.00817.53
8.2.10.0040.00418.03
8.2.00.0040.00418.04
8.1.280.0170.00325.92
8.1.270.0040.00420.25
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0030.00623.92
8.1.230.0060.00617.42
8.1.220.0020.00517.76
8.1.210.0040.00418.77
8.1.200.0080.00017.23
8.1.190.0000.00917.22
8.1.180.0040.00418.10
8.1.170.0080.00018.52
8.1.160.0070.00421.81
8.1.150.0070.00018.80
8.1.140.0060.00317.33
8.1.130.0030.00317.69
8.1.120.0040.00417.41
8.1.110.0000.00717.35
8.1.100.0050.00217.39
8.1.90.0000.00717.46
8.1.80.0100.00017.46
8.1.70.0030.00317.34
8.1.60.0000.00817.61
8.1.50.0000.00817.53
8.1.40.0040.00417.46
8.1.30.0050.00317.60
8.1.20.0040.00417.74
8.1.10.0040.00417.34
8.1.00.0000.00817.32
8.0.300.0080.00018.77
8.0.290.0000.00716.75
8.0.280.0030.00318.28
8.0.270.0030.00317.19
8.0.260.0030.00317.18
8.0.250.0040.00416.75
8.0.240.0000.00616.87
8.0.230.0000.00616.77
8.0.220.0030.00316.75
8.0.210.0070.00016.80
8.0.200.0030.00316.89
8.0.190.0030.00516.88
8.0.180.0000.00816.78
8.0.170.0000.00816.65
8.0.160.0030.00316.84
8.0.150.0070.00016.78
8.0.140.0070.00416.81
8.0.130.0000.00813.20
8.0.120.0030.00616.77
8.0.110.0040.00416.82
8.0.100.0040.00416.68
8.0.90.0030.00416.63
8.0.80.0040.01116.82
8.0.70.0000.00716.69
8.0.60.0050.00216.79
8.0.50.0000.00816.71
8.0.30.0090.00917.19
8.0.20.0120.00617.40
8.0.10.0050.00217.12
8.0.00.0090.01016.76
7.4.330.0040.00415.08
7.4.320.0070.00016.64
7.4.300.0060.00016.59
7.4.290.0030.00316.39
7.4.280.0040.00416.39
7.4.270.0000.00716.42
7.4.260.0030.00316.49
7.4.250.0040.00416.57
7.4.240.0020.00516.63
7.4.230.0030.00316.34
7.4.220.0150.00416.44
7.4.210.0090.00916.58
7.4.200.0050.00316.29
7.4.160.0100.00716.73
7.4.150.0150.00617.40
7.4.140.0110.01017.86
7.4.130.0110.00716.57
7.4.120.0130.00516.45
7.4.110.0130.01016.48
7.4.100.0060.01616.54
7.4.90.0090.00916.63
7.4.80.0140.00919.39
7.4.70.0070.01016.38
7.4.60.0090.00716.36
7.4.50.0000.00516.52
7.4.40.0110.01216.46
7.4.30.0090.00916.47
7.4.00.0060.00914.84
7.3.330.0030.00313.10
7.3.320.0050.00013.09
7.3.310.0070.00016.30
7.3.300.0030.00316.16
7.3.290.0090.00916.24
7.3.280.0070.00816.30
7.3.270.0030.01417.40
7.3.260.0080.00816.62
7.3.250.0060.01116.39
7.3.240.0160.00316.18
7.3.230.0120.00616.39
7.3.210.0060.01116.37
7.3.200.0120.00616.32
7.3.190.0130.00316.09
7.3.180.0100.00516.23
7.3.170.0080.00816.27
7.3.160.0100.00716.20
7.2.330.0160.00316.57
7.2.320.0080.00816.43
7.2.310.0090.00816.37
7.2.300.0130.00416.44
7.2.290.0120.00616.49
7.2.60.0000.01416.90
7.2.00.0030.00919.14
7.1.200.0000.00815.65
7.1.100.0090.00618.18
7.1.70.0000.00817.04
7.1.60.0100.00620.03
7.1.50.0030.02016.93
7.1.00.0000.07722.51
7.0.200.0040.00814.97
7.0.60.0070.08019.92
7.0.50.0070.05717.78
7.0.40.0030.09319.84
7.0.30.0530.07720.16
7.0.20.0230.06720.18
7.0.10.0100.05720.30
7.0.00.0030.07020.19
5.6.280.0030.07321.06
5.6.210.0070.08720.69
5.6.200.0030.04018.24
5.6.190.0030.04020.77
5.6.180.0200.06320.64
5.6.170.0270.07720.48
5.6.160.0000.05320.37
5.6.150.0100.08018.21
5.6.140.0100.07318.16
5.6.130.0070.08018.21
5.6.120.0070.04321.09
5.6.110.0070.04021.03
5.6.100.0070.08021.06
5.6.90.0100.08021.13
5.6.80.0130.04320.36
5.6.70.3070.03320.38
5.5.350.0300.07020.46
5.5.340.0170.07718.02
5.5.330.0030.06720.19
5.5.320.0230.04720.17
5.5.310.0130.04320.30
5.5.300.0000.05317.88
5.5.290.0130.06317.88
5.5.280.0070.08020.95
5.5.270.0070.05020.76
5.5.260.0070.03720.86
5.5.250.0070.08720.57
5.5.240.0330.06720.05
5.4.450.0730.05319.48
5.4.440.0730.05319.52
5.4.430.0830.04719.36
5.4.420.0800.05019.36
5.4.410.0700.05719.43
5.4.400.0730.05318.99
5.4.390.0700.05319.23
5.4.380.0600.06018.88
5.4.370.0770.04319.29
5.4.360.0770.04718.98
5.4.350.0700.04718.88
5.4.340.0770.06319.19
5.4.320.0730.05019.20
5.4.310.0700.04018.99
5.4.300.0670.05719.09
5.4.290.0700.04719.07
5.4.280.0700.04319.16
5.4.270.0630.05018.95
5.4.260.0670.04718.77
5.4.250.0670.05719.28
5.4.240.0700.04319.16
5.4.230.0600.05319.09
5.4.220.0800.04318.76
5.4.210.0670.05719.04
5.4.200.0700.05016.78
5.4.190.0770.04318.99
5.4.180.0830.04718.85
5.4.170.0630.05018.87
5.4.160.0700.04018.87
5.4.150.0670.04318.98
5.4.140.0630.04716.22
5.4.130.0670.04016.42
5.4.120.0730.04016.38
5.4.110.0600.04716.30
5.4.100.0600.04716.34
5.4.90.0530.06716.20
5.4.80.0600.05016.37
5.4.70.0570.05716.28
5.4.60.0070.05716.16
5.4.50.0030.06016.36
5.4.40.0170.05316.36
5.4.30.0300.03016.19
5.4.20.0270.03316.46

preferences:
59.76 ms | 400 KiB | 5 Q