3v4l.org

run code in 300+ PHP versions simultaneously
<?php $def = [ 'country' => ['cz', 'de', 'hu'] ]; var_dump(json_encode($def));

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)
8.3.60.0210.00018.56
8.3.50.0100.00716.38
8.3.40.0090.00918.60
8.3.30.0110.00318.42
8.3.20.0040.00419.09
8.3.10.0040.00423.58
8.3.00.0090.00022.22
8.2.180.0110.01116.32
8.2.170.0040.01122.96
8.2.160.0070.00718.95
8.2.150.0060.00324.18
8.2.140.0050.00324.66
8.2.130.0040.00420.38
8.2.120.0080.00026.35
8.2.110.0060.01219.32
8.2.100.0060.00617.75
8.2.90.0030.00619.19
8.2.80.0060.00317.97
8.2.70.0030.00617.63
8.2.60.0000.00917.93
8.2.50.0040.00418.10
8.2.40.0000.00720.33
8.2.30.0040.00419.19
8.2.20.0000.00817.90
8.2.10.0040.00417.97
8.2.00.0040.00418.13
8.1.280.0100.01025.92
8.1.270.0080.00023.97
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0090.00020.83
8.1.230.0080.00319.17
8.1.220.0000.00717.74
8.1.210.0030.00718.77
8.1.200.0060.00317.00
8.1.190.0000.00817.50
8.1.180.0030.00518.10
8.1.170.0000.00818.41
8.1.160.0030.00618.78
8.1.150.0000.01019.99
8.1.140.0050.00219.50
8.1.130.0030.00518.84
8.1.120.0040.00417.39
8.1.110.0040.00417.27
8.1.100.0040.00417.30
8.1.90.0040.00417.36
8.1.80.0000.00717.38
8.1.70.0040.00417.26
8.1.60.0040.00417.50
8.1.50.0030.00517.41
8.1.40.0030.00517.41
8.1.30.0070.00017.44
8.1.20.0070.00017.61
8.1.10.0000.00717.41
8.1.00.0000.00717.38
8.0.300.0050.00220.16
8.0.290.0070.00016.63
8.0.280.0050.00218.41
8.0.270.0060.00017.24
8.0.260.0060.00018.99
8.0.250.0000.00616.92
8.0.240.0030.00616.81
8.0.230.0050.00216.85
8.0.220.0000.00716.82
8.0.210.0000.00716.79
8.0.200.0070.00016.86
8.0.190.0030.00516.87
8.0.180.0080.00016.72
8.0.170.0040.00416.77
8.0.160.0030.00316.71
8.0.150.0030.00516.82
8.0.140.0070.00016.77
8.0.130.0030.00313.26
8.0.120.0040.00416.77
8.0.110.0070.00016.71
8.0.100.0040.00416.68
8.0.90.0000.00716.84
8.0.80.0120.00316.84
8.0.70.0030.00516.73
8.0.60.0050.00216.61
8.0.50.0050.00316.88
8.0.30.0110.00717.01
8.0.20.0080.01017.40
8.0.10.0080.00016.96
8.0.00.0120.00616.66
7.4.330.0050.00015.55
7.4.320.0000.00616.43
7.4.300.0040.00416.55
7.4.290.0030.00316.49
7.4.280.0060.00316.40
7.4.270.0040.00416.43
7.4.260.0070.00016.38
7.4.250.0040.00416.49
7.4.240.0000.00716.45
7.4.230.0000.00716.32
7.4.220.0090.00616.55
7.4.210.0050.01316.49
7.4.200.0030.00316.60
7.4.160.0100.00816.20
7.4.150.0070.01017.40
7.4.140.0110.01017.86
7.4.130.0070.01116.45
7.4.120.0070.01416.47
7.4.110.0060.01216.23
7.4.100.0060.00916.29
7.4.90.0060.01016.29
7.4.80.0080.00819.39
7.4.70.0120.00616.33
7.4.60.0130.00316.47
7.4.50.0090.00316.36
7.4.40.0070.00816.39
7.4.30.0040.01216.37
7.4.00.0050.00814.90
7.3.330.0000.00613.02
7.3.320.0060.00013.04
7.3.310.0040.00416.09
7.3.300.0000.00716.13
7.3.290.0030.00315.96
7.3.280.0100.00916.11
7.3.270.0070.01017.40
7.3.260.0140.00616.15
7.3.240.0160.00516.14
7.3.230.0130.00416.38
7.3.210.0070.01016.30
7.3.200.0140.00316.46
7.3.190.0050.01116.11
7.3.180.0100.00616.30
7.3.170.0120.00316.52
7.3.160.0120.00316.26
7.3.120.0030.01014.73
7.3.110.0120.00314.60
7.3.100.0120.00314.80
7.3.90.0080.00814.74
7.3.80.0070.00714.70
7.3.70.0070.00714.75
7.3.60.0000.00914.75
7.3.50.0080.00614.81
7.3.40.0060.00314.52
7.3.30.0000.00914.71
7.3.20.0000.00916.45
7.3.10.0030.01016.40
7.3.00.0030.01016.75
7.2.330.0150.00416.25
7.2.320.0030.01416.36
7.2.310.0060.01016.42
7.2.300.0070.01016.39
7.2.290.0100.00916.68
7.2.250.0060.00914.47
7.2.240.0060.01214.68
7.2.230.0080.00414.52
7.2.220.0040.00815.03
7.2.210.0070.01014.80
7.2.200.0060.01015.01
7.2.190.0060.00614.88
7.2.180.0100.00314.59
7.2.170.0060.00914.87
7.2.00.0070.00719.07
7.1.330.0070.00715.47
7.1.320.0030.00915.50
7.1.310.0000.01115.51
7.1.300.0060.00315.65
7.1.290.0100.00015.79
7.1.280.0100.00615.51
7.1.270.0000.01315.70
7.1.260.0030.00715.64
7.1.200.0040.01115.54
7.1.70.0050.00217.06
7.1.60.0100.00017.21
7.1.50.0120.00316.93
7.1.40.0060.00616.46
7.1.30.0120.00316.58
7.1.20.0040.01416.70
7.1.10.0000.01516.61
7.1.00.0030.00516.90
7.0.200.0060.00316.57
7.0.190.0000.01416.67
7.0.180.0030.01015.99
7.0.170.0040.00416.13
7.0.160.0000.01416.25
7.0.150.0030.00916.45
7.0.140.0030.01016.43
7.0.130.0050.00216.48
7.0.120.0040.00416.27
7.0.110.0070.00716.33
7.0.100.0030.01316.54
7.0.90.0000.00716.36
7.0.80.0000.00716.24
7.0.70.0040.01116.30
7.0.60.0050.00216.25
7.0.50.0040.00416.38
7.0.40.0130.00314.67
7.0.30.0060.00914.67
7.0.20.0040.00414.67
7.0.10.0030.00514.67
7.0.00.0070.00714.67

preferences:
56.03 ms | 400 KiB | 5 Q