3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array_map(function ($a) { return json_encode($a); }, [ 'a' => 'b', 'c' => ['a' => 'b', 'c' => new DateTimeImmutable()], ]); var_dump($a);

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)
8.3.60.0090.00616.75
8.3.50.0130.00718.36
8.3.40.0040.01118.82
8.3.30.0110.00418.84
8.3.20.0080.00020.21
8.3.10.0000.00823.57
8.3.00.0040.00419.25
8.2.180.0150.00818.66
8.2.170.0120.00922.96
8.2.160.0100.00720.39
8.2.150.0080.00024.18
8.2.140.0060.00324.66
8.2.130.0070.00417.63
8.2.120.0000.00826.35
8.2.110.0050.00520.52
8.2.100.0090.00318.04
8.2.90.0040.00418.34
8.2.80.0080.00017.97
8.2.70.0000.00817.74
8.2.60.0080.00018.16
8.2.50.0040.00418.07
8.2.40.0030.00519.09
8.2.30.0070.00020.52
8.2.20.0030.00518.01
8.2.10.0050.00318.07
8.2.00.0050.00518.20
8.1.280.0120.00425.92
8.1.270.0090.00023.71
8.1.260.0040.00428.09
8.1.250.0050.00328.09
8.1.240.0060.00322.18
8.1.230.0070.00421.03
8.1.220.0040.00417.77
8.1.210.0040.00418.77
8.1.200.0090.00017.47
8.1.190.0080.00017.48
8.1.180.0030.00618.10
8.1.170.0060.00618.50
8.1.160.0040.00422.03
8.1.150.0040.00418.88
8.1.140.0030.00619.65
8.1.130.0050.00317.77
8.1.120.0040.00417.57
8.1.110.0030.00417.68
8.1.100.0070.00017.58
8.1.90.0030.00517.59
8.1.80.0050.00317.66
8.1.70.0040.00417.69
8.1.60.0020.00517.72
8.1.50.0040.00417.57
8.1.40.0040.00417.66
8.1.30.0080.00017.83
8.1.20.0040.00417.76
8.1.10.0040.00417.61
8.1.00.0040.00417.56
8.0.300.0060.00320.00
8.0.290.0040.00416.75
8.0.280.0030.00318.46
8.0.270.0000.00817.28
8.0.260.0040.00418.38
8.0.250.0030.00316.97
8.0.240.0000.00817.18
8.0.230.0000.00717.05
8.0.220.0040.00417.01
8.0.210.0070.00017.02
8.0.200.0000.00817.13
8.0.190.0050.00217.20
8.0.180.0000.00717.10
8.0.170.0070.00017.15
8.0.160.0050.00317.12
8.0.150.0080.00016.92
8.0.140.0090.00317.04
8.0.130.0050.00013.45
8.0.120.0030.00517.08
8.0.110.0000.00817.07
8.0.100.0000.00816.96
8.0.90.0000.00716.95
8.0.80.0040.01117.08
8.0.70.0000.00817.11
8.0.60.0070.00016.96
8.0.50.0040.00417.07
8.0.30.0140.00517.01
8.0.20.0130.00517.40
8.0.10.0000.00717.27
8.0.00.0110.00716.94
7.4.330.0000.00616.71
7.4.320.0070.00016.79
7.4.300.0030.00316.75
7.4.290.0030.00316.71
7.4.280.0030.00616.56
7.4.270.0030.00316.66
7.4.260.0000.00716.77
7.4.250.0000.00816.51
7.4.240.0050.00216.59
7.4.230.0050.00216.73
7.4.220.0060.02016.77
7.4.210.0090.00916.68
7.4.200.0000.00716.80
7.4.160.0040.01116.41
7.4.150.0030.01317.40
7.4.140.0080.01217.86
7.4.130.0140.00416.72
7.4.120.0080.01116.68
7.4.110.0090.00916.63
7.4.100.0160.00616.51
7.4.90.0070.01016.80
7.4.80.0090.00919.39
7.4.70.0120.00816.70
7.4.60.0080.00816.69
7.4.50.0110.00716.67
7.4.40.0100.00616.53
7.4.30.0030.01416.53
7.4.10.0110.00715.99
7.4.00.0060.01015.57
7.3.330.0030.00513.15
7.3.320.0030.00313.29
7.3.310.0070.00016.47
7.3.300.0000.00616.25
7.3.290.0000.00616.25
7.3.280.0060.00916.36
7.3.270.0120.00617.40
7.3.260.0090.00916.62
7.3.250.0130.00716.45
7.3.240.0130.01016.53
7.3.230.0110.00516.42
7.3.210.0100.00616.37
7.3.200.0130.00416.48
7.3.190.0130.00616.38
7.3.180.0140.00716.46
7.3.170.0130.01016.38
7.3.160.0040.01816.52
7.3.130.0070.01315.80
7.3.120.0030.01515.62
7.3.110.0030.01515.67
7.3.100.0030.00815.82
7.3.90.0070.00615.80
7.3.80.0070.00515.84
7.3.70.0070.00415.71
7.3.60.0050.00715.53
7.3.50.0030.00915.53
7.3.40.0060.00515.61
7.3.30.0040.01115.58
7.3.20.0010.01117.46
7.3.10.0030.01217.42
7.3.00.0100.00517.42
7.2.330.0060.01216.68
7.2.320.0070.01017.02
7.2.310.0110.01116.73
7.2.300.0130.00416.88
7.2.290.0130.00316.98
7.2.260.0110.00616.01
7.2.250.0100.00916.01
7.2.240.0090.00615.99
7.2.230.0020.01115.76
7.2.220.0090.00815.96
7.2.210.0030.01415.79
7.2.200.0090.00315.81
7.2.190.0030.01315.88
7.2.180.0050.00915.94
7.2.170.0070.00615.81
7.2.160.0070.00515.98
7.2.150.0060.00617.85
7.2.140.0070.00717.87
7.2.130.0030.01017.63
7.2.120.0040.00817.79
7.2.110.0050.01017.60
7.2.100.0030.01017.80
7.2.90.0060.00817.83
7.2.80.0040.01217.61
7.2.70.0040.01017.69
7.2.60.0050.01017.65
7.2.50.0040.00917.74
7.2.40.0060.00817.87
7.2.30.0050.00817.73
7.2.20.0030.01317.52
7.2.10.0050.01217.83
7.2.00.0100.00618.28
7.1.330.0050.00916.60
7.1.320.0050.01016.70
7.1.310.0000.01216.70
7.1.300.0020.01216.53
7.1.290.0030.00816.55
7.1.280.0050.00616.65
7.1.270.0080.00316.65
7.1.260.0050.01016.76
7.1.250.0040.00716.41
7.1.240.0090.00416.66
7.1.230.0020.01316.60
7.1.220.0100.00516.53
7.1.210.0020.00816.66
7.1.200.0080.00516.30
7.1.190.0020.01416.60
7.1.180.0090.00516.64
7.1.170.0050.00816.62
7.1.160.0050.01016.54
7.1.150.0080.00516.62
7.1.140.0060.00616.65
7.1.130.0070.00816.54
7.1.120.0060.01116.68
7.1.110.0050.00916.79
7.1.100.0020.01017.17
7.1.90.0050.01116.78
7.1.80.0040.00816.64
7.1.70.0040.00616.84
7.1.60.0070.01117.64
7.1.50.0010.01516.84
7.1.40.0090.00716.81
7.1.30.0030.00916.62
7.1.20.0030.01016.63
7.1.10.0060.00716.62
7.1.00.0030.03218.56
7.0.330.0100.00716.39
7.0.320.0050.00816.28
7.0.310.0050.00816.31
7.0.300.0050.00616.42
7.0.290.0070.00716.33
7.0.280.0060.00516.33
7.0.270.0040.00916.24
7.0.260.0030.00716.34
7.0.250.0050.00916.24
7.0.240.0050.00916.39
7.0.230.0040.00516.32
7.0.220.0000.00916.40
7.0.210.0050.00716.38
7.0.200.0070.00516.48
7.0.190.0030.01116.42
7.0.180.0060.00816.29
7.0.170.0000.01516.46
7.0.160.0070.00516.45
7.0.150.0050.01016.34
7.0.140.0070.00716.51
7.0.130.0080.00316.33
7.0.120.0070.00516.25
7.0.110.0050.00816.21
7.0.100.0060.00816.41
7.0.90.0090.02717.48
7.0.80.0030.02417.59
7.0.70.0150.03217.43
7.0.60.0260.03117.54
7.0.50.0190.02117.60
7.0.40.0110.03016.30
7.0.30.0060.03416.28
7.0.20.0090.02616.28
7.0.10.0060.02616.35
7.0.00.0110.02816.27
5.6.400.0090.00515.25
5.6.390.0080.00315.20
5.6.380.0080.00315.45
5.6.370.0070.00715.16
5.6.360.0040.00615.26
5.6.350.0030.01215.27
5.6.340.0070.00515.41
5.6.330.0050.01115.34
5.6.320.0060.00915.42
5.6.310.0060.00515.26
5.6.300.0000.01215.19
5.6.290.0070.00715.35
5.6.280.0040.02017.17
5.6.270.0080.00715.48
5.6.260.0080.00715.03
5.6.250.0070.00515.23
5.6.240.0050.03417.01
5.6.230.0150.02817.05
5.6.220.0060.03117.01
5.6.210.0090.02616.84
5.6.200.0070.02217.31
5.6.190.0090.03017.21
5.6.180.0060.03317.11
5.6.170.0090.02817.22
5.6.160.0060.03417.27
5.6.150.0100.02817.06
5.6.140.0080.03117.11
5.6.130.0100.02317.18
5.6.120.0090.02317.13
5.6.110.0080.02917.31
5.6.100.0070.02717.16
5.6.90.0070.02917.09
5.6.80.0090.02816.85
5.6.70.0080.02716.98
5.6.60.0110.02616.89
5.6.50.0010.03516.83
5.6.40.0090.02616.80
5.6.30.0090.02816.95
5.6.20.0080.02416.97
5.6.10.0070.03116.84
5.6.00.0090.03016.85
5.5.380.0080.02716.90
5.5.370.0080.03116.85
5.5.360.0040.03316.96
5.5.350.0070.02216.81
5.5.340.0050.03217.12
5.5.330.0080.03117.07
5.5.320.0060.03017.11
5.5.310.0060.03517.16
5.5.300.0060.03117.07
5.5.290.0030.03017.21
5.5.280.0070.03517.04
5.5.270.0070.02917.12
5.5.260.0080.02916.90
5.5.250.0050.03016.88
5.5.240.0010.03516.84
5.5.230.0090.01716.79
5.5.220.0050.02216.87
5.5.210.0080.02616.80
5.5.200.0060.01916.76
5.5.190.0030.03116.79
5.5.180.0110.02116.81
5.5.170.0080.00815.13
5.5.160.0050.03316.81
5.5.150.0030.02016.59
5.5.140.0060.02016.78
5.5.130.0080.03016.87
5.5.120.0040.03416.77
5.5.110.0130.02516.81
5.5.100.0040.03716.65
5.5.90.0050.02816.71
5.5.80.0040.02016.84
5.5.70.0080.02816.67
5.5.60.0050.03316.93
5.5.50.0080.02616.87
5.5.40.0100.02216.77
5.5.30.0070.02816.83
5.5.20.0040.02616.69
5.5.10.0100.02616.75
5.5.00.0000.03016.46

preferences:
49.51 ms | 401 KiB | 5 Q