3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace work; class Test1 {} $a = (object)[]; $b = new \stdClass(); $data = [$a, $b, new Test1()]; $result = json_encode($data); var_dump($result); echo str_repeat('-', 100) . PHP_EOL; $result1 = json_decode($result); $result2 = json_decode($result, true); $result1_1 = json_encode($result1); $result2_1 = json_encode($result2); var_dump($result1_1, $result2_1);

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)
8.4.120.0110.00520.46
8.4.110.0110.00820.83
8.4.100.0140.00717.70
8.4.90.0090.01220.48
8.4.80.0030.00518.82
8.4.70.0040.00420.66
8.4.60.0040.00420.50
8.4.50.0170.00418.92
8.4.40.0160.00617.65
8.4.30.0070.01320.54
8.4.20.0130.00719.43
8.4.10.0060.00319.44
8.3.250.0090.01018.88
8.3.240.0050.00316.46
8.3.230.0140.00616.53
8.3.220.0090.00918.81
8.3.210.0040.00416.55
8.3.200.0040.00416.87
8.3.190.0070.00317.32
8.3.180.0090.00620.73
8.3.170.0050.00517.12
8.3.160.0150.00316.60
8.3.150.0080.01216.91
8.3.140.0120.00316.90
8.3.130.0000.00918.98
8.3.120.0030.00618.78
8.3.110.0080.00020.94
8.3.100.0030.00616.79
8.3.90.0410.00926.77
8.3.80.0430.01026.77
8.3.70.0260.00726.77
8.3.60.0320.00026.77
8.3.50.0240.00726.77
8.3.40.0070.01326.77
8.3.30.0250.00726.77
8.3.20.0310.00326.77
8.3.10.0300.00326.77
8.3.00.0250.00726.77
8.2.290.0060.00218.90
8.2.280.0140.00618.44
8.2.270.0060.01316.75
8.2.260.0110.00717.34
8.2.250.0040.00416.71
8.2.240.0080.00817.02
8.2.230.0040.00422.58
8.2.220.0090.00024.06
8.2.210.0260.00726.77
8.2.200.0390.00026.77
8.2.190.0220.01326.77
8.2.180.0220.01426.77
8.2.170.0400.00626.77
8.2.160.0410.00426.77
8.2.150.0370.00726.77
8.2.140.0170.00426.77
8.2.130.0210.00026.77
8.2.120.0330.00726.77
8.2.110.0390.00626.77
8.2.100.0290.01326.77
8.2.90.0300.01226.77
8.2.80.0320.01126.77
8.2.70.0340.01026.77
8.2.60.0330.01126.77
8.2.50.0360.00726.77
8.2.40.0310.00826.77
8.2.30.0320.00426.77
8.2.20.0310.01126.77
8.2.10.0270.00426.77
8.2.00.0140.00526.77
8.1.330.0110.00818.47
8.1.320.0050.00316.37
8.1.310.0100.00716.82
8.1.300.0030.00616.50
8.1.290.0310.00026.77
8.1.280.0120.01626.77
8.1.270.0450.00026.77
8.1.260.0400.00426.77
8.1.250.0410.00326.77
8.1.240.0320.00626.77
8.1.230.0370.00326.77
8.1.220.0410.00426.77
8.1.210.0290.01026.77
8.1.200.0140.00526.77
8.1.190.0320.00726.77
8.1.180.0270.01526.77
8.1.170.0290.01326.77
8.1.160.0300.00826.77
8.1.150.0300.00926.77
8.1.140.0240.00026.77
8.1.130.0310.00626.77
8.1.120.0330.00726.77
8.1.110.0240.01426.77
8.1.100.0350.00426.77
8.1.90.0350.00326.77
8.1.80.0310.00826.77
8.1.70.0330.00726.77
8.1.60.0320.01126.77
8.1.50.0380.00326.77
8.1.40.0360.00726.77
8.1.30.0360.00726.77
8.1.20.0450.00426.77
8.1.10.0260.02026.77
8.1.00.0350.00826.77

preferences:
29.29 ms | 403 KiB | 5 Q