3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = ['pole1' => ['a' => 1, 'b' => 2 ]]; echo json_encode($array);

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)
8.3.60.0090.00618.47
8.3.50.0120.00617.93
8.3.40.0060.01218.55
8.3.30.0040.01218.58
8.3.20.0040.00418.65
8.3.10.0080.00021.77
8.3.00.0000.00721.73
8.2.180.0120.00618.28
8.2.170.0000.01522.96
8.2.160.0100.00720.39
8.2.150.0030.00524.18
8.2.140.0060.00324.66
8.2.130.0040.00422.20
8.2.120.0070.00026.35
8.2.110.0050.00519.39
8.2.100.0070.00417.69
8.2.90.0000.00917.61
8.2.80.0060.00317.97
8.2.70.0100.00018.05
8.2.60.0000.00718.22
8.2.50.0030.00918.10
8.2.40.0040.00419.39
8.2.30.0030.00520.51
8.2.20.0030.00617.96
8.2.10.0030.00517.97
8.2.00.0000.00919.27
8.1.280.0090.00625.92
8.1.270.0050.00320.29
8.1.260.0050.00326.35
8.1.250.0100.00028.09
8.1.240.0030.00619.07
8.1.230.0070.00717.76
8.1.220.0030.00517.74
8.1.210.0030.00618.77
8.1.200.0030.00717.23
8.1.190.0000.00917.23
8.1.180.0000.00818.10
8.1.170.0080.00018.42
8.1.160.0050.00318.72
8.1.150.0040.00418.87
8.1.140.0000.00818.87
8.1.130.0060.00320.21
8.1.120.0070.00017.38
8.1.110.0000.00717.30
8.1.100.0000.00717.29
8.1.90.0050.00317.36
8.1.80.0050.00517.34
8.1.70.0040.00417.39
8.1.60.0040.00717.50
8.1.50.0060.00717.34
8.1.40.0050.00317.34
8.1.30.0040.00417.63
8.1.20.0000.00717.44
8.1.10.0060.00317.39
8.1.00.0050.00317.44
8.0.300.0090.00018.77
8.0.290.0040.00416.63
8.0.280.0030.00318.43
8.0.270.0030.00317.18
8.0.260.0030.00318.47
8.0.250.0050.00516.84
8.0.240.0000.00817.00
8.0.230.0000.00716.80
8.0.220.0040.00416.80
8.0.210.0000.00716.82
8.0.200.0000.00616.94
8.0.190.0060.00316.87
8.0.180.0000.00716.85
8.0.170.0040.00416.75
8.0.160.0000.00816.65
8.0.150.0000.00816.73
8.0.140.0040.00416.73
8.0.130.0000.00813.26
8.0.120.0030.00516.67
8.0.110.0040.00416.64
8.0.100.0040.00416.70
8.0.90.0000.00716.68
8.0.80.0050.01116.79
8.0.70.0040.00416.79
8.0.60.0050.00216.85
8.0.50.0070.00016.76
8.0.30.0100.00817.10
8.0.20.0080.01017.40
8.0.10.0040.00417.00
8.0.00.0130.00616.61
7.4.330.0000.00515.55
7.4.320.0000.00716.42
7.4.300.0000.00616.49
7.4.290.0000.00716.48
7.4.280.0070.00016.51
7.4.270.0000.00716.52
7.4.260.0040.00416.40
7.4.250.0000.00716.26
7.4.240.0000.00716.57
7.4.230.0000.00716.41
7.4.220.0000.00816.32
7.4.210.0070.00916.52
7.4.200.0040.00416.27
7.4.160.0120.00616.42
7.4.140.0090.00917.86
7.4.130.0000.01816.48
7.4.120.0100.01016.42
7.4.110.0080.00816.50
7.4.100.0070.01016.24
7.4.90.0090.00916.52
7.4.80.0040.01319.39
7.4.70.0040.01416.43
7.4.60.0060.01216.45
7.4.50.0070.01016.58
7.4.40.0130.00316.59
7.4.00.0080.00814.63
7.3.330.0000.00512.93
7.3.320.0000.00513.03
7.3.310.0070.00316.17
7.3.300.0000.00616.06
7.3.290.0070.00016.02
7.3.280.0070.01116.13
7.3.260.0150.00716.24
7.3.240.0080.01016.25
7.3.230.0120.00616.27
7.3.210.0140.01016.45
7.3.200.0080.00816.02
7.3.190.0080.00816.23
7.3.180.0170.00416.25
7.3.170.0090.01216.03
7.3.160.0100.00616.40
7.3.120.0100.00714.61
7.3.110.0070.01114.56
7.3.100.0030.01314.83
7.3.90.0040.01414.73
7.3.80.0090.00614.63
7.3.70.0030.00614.68
7.3.60.0040.00714.75
7.3.50.0100.00614.57
7.3.40.0080.00814.50
7.3.30.0060.00314.75
7.3.20.0060.01016.59
7.3.10.0090.00616.35
7.3.00.0060.00916.69
7.2.330.0030.02016.30
7.2.320.0140.00616.48
7.2.310.0130.00316.40
7.2.300.0130.00316.64
7.2.290.0070.01716.64
7.2.250.0030.01614.81
7.2.240.0070.01314.68
7.2.230.0060.00614.79
7.2.220.0060.00914.80
7.2.210.0070.00414.88
7.2.200.0060.00614.71
7.2.190.0030.00915.00
7.2.180.0060.01014.93
7.2.170.0060.00914.70
7.2.100.0140.01014.70
7.2.90.0200.01014.33
7.2.80.0210.00314.47
7.2.70.0130.01015.07
7.2.60.2170.00314.87
7.2.50.0520.00015.11
7.2.40.0730.00714.55
7.2.30.0160.00614.74
7.2.20.0060.01214.88
7.2.10.4030.00314.82
7.2.00.3560.00014.49
7.1.330.0090.00615.61
7.1.320.0070.00415.85
7.1.310.0030.00915.50
7.1.300.0040.01115.54
7.1.290.0130.00315.39
7.1.280.0060.00315.71
7.1.270.0040.00715.72
7.1.260.0030.01015.63
7.1.220.0210.00913.82
7.1.210.0130.01313.79
7.1.200.0190.01013.41
7.1.190.0100.01013.89
7.1.180.0950.00713.91
7.1.170.0090.00913.58
7.1.160.0170.00413.77
7.1.150.0520.01113.98
7.1.140.4150.00613.75
7.1.130.4010.00613.82
7.1.120.4510.00613.94
7.1.110.4780.01013.66
7.1.100.4650.00714.04
7.1.90.4340.00313.85
7.1.80.4200.00613.76
7.1.70.4630.00313.46
7.1.60.4310.00731.71
7.1.50.5110.00731.65
7.1.40.5300.01031.48
7.1.30.6040.01031.87
7.1.20.5400.01031.68
7.1.10.5230.00713.46
7.1.00.3410.01013.92
5.6.380.0030.01414.09

preferences:
60.06 ms | 400 KiB | 5 Q