3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array1 = [0 => 'one', 1 => 'two']; $array2 = [1 => 'two', 0 => 'one']; var_dump(json_encode($array1)); var_dump(json_encode($array2));

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)
8.5.30.0110.00621.27
8.5.20.0110.00620.02
8.5.10.0110.00520.34
8.5.00.0100.01319.77
8.4.180.0130.00922.00
8.4.170.0150.00723.89
8.4.160.0150.00721.45
8.4.150.0060.00416.72
8.4.140.0030.00617.49
8.4.130.0050.00417.61
8.4.120.0080.00920.69
8.4.110.0050.00524.34
8.4.100.0110.00917.41
8.4.90.0040.00418.29
8.4.80.0050.00517.75
8.4.70.0050.00317.43
8.4.60.0070.00220.28
8.4.50.0130.00819.46
8.4.40.0130.00719.40
8.4.30.0100.01020.50
8.4.20.0060.00919.37
8.4.10.0030.00623.90
8.3.300.0130.00720.64
8.3.290.0090.01120.77
8.3.280.0110.00918.33
8.3.270.0030.00716.41
8.3.260.0060.00416.70
8.3.250.0040.00518.68
8.3.240.0110.00816.80
8.3.230.0060.00516.51
8.3.220.0070.01117.38
8.3.210.0080.00616.50
8.3.200.0060.00316.33
8.3.190.0080.00818.93
8.3.180.0100.00816.65
8.3.170.0120.00618.93
8.3.160.0110.00716.66
8.3.150.0060.01218.79
8.3.140.0070.00316.42
8.3.130.0070.00716.50
8.3.120.0080.01118.81
8.3.110.0060.00920.94
8.3.100.0030.00624.06
8.3.90.0040.00426.77
8.3.80.0090.00017.97
8.3.70.0090.00616.38
8.3.60.0090.00618.43
8.3.50.0070.00716.50
8.3.40.0070.01020.48
8.3.30.0080.00818.51
8.3.20.0030.00524.18
8.3.10.0040.00424.66
8.3.00.0000.00726.16
8.2.300.0130.00720.35
8.2.290.0040.00520.31
8.2.280.0040.00420.19
8.2.270.0110.00716.20
8.2.260.0040.00420.64
8.2.250.0070.01018.35
8.2.240.0090.00916.94
8.2.230.0060.00322.58
8.2.220.0090.00037.54
8.2.210.0100.01026.77
8.2.200.0080.00016.25
8.2.190.0100.01016.63
8.2.180.0100.01016.38
8.2.170.0120.00318.87
8.2.160.0100.00322.96
8.2.150.0040.00425.66
8.2.140.0080.00424.66
8.2.130.0000.01226.16
8.2.120.0080.00026.16
8.2.110.0080.00020.99
8.2.100.0070.00317.78
8.2.90.0050.00317.91
8.2.80.0040.00418.03
8.2.70.0050.00317.50
8.2.60.0000.00717.80
8.2.50.0080.00018.09
8.2.40.0080.00020.42
8.2.30.0000.00817.91
8.2.20.0000.00817.98
8.2.10.0100.00517.51
8.2.00.0130.00417.52
8.1.340.0120.00721.61
8.1.330.0140.00619.86
8.1.320.0100.00916.06
8.1.310.0030.00616.59
8.1.300.0120.00618.49
8.1.290.0000.01130.84
8.1.280.0040.01425.92
8.1.270.0070.00024.66
8.1.260.0040.00426.35
8.1.250.0000.00928.09
8.1.240.0000.00923.96
8.1.230.0090.00322.64
8.1.220.0000.01017.74
8.1.210.0060.00318.77
8.1.200.0040.00417.35
8.1.190.0080.00017.00
8.1.180.0030.00518.10
8.1.170.0040.00418.66
8.1.160.0040.00420.86
8.1.150.0120.00217.35
8.1.140.0070.01017.42
8.1.130.0090.00617.41
8.1.120.0090.00717.36
8.1.110.0150.00017.43
8.1.100.0140.00317.43
8.1.90.0110.00417.38
8.1.80.0130.00317.29
8.1.70.0100.00717.47
8.1.60.0130.00417.55
8.1.50.0180.00017.54
8.1.40.0090.01017.48
8.1.30.0130.00917.57
8.1.20.0200.00017.61
8.1.10.0140.00517.35
8.1.00.0170.00317.41
8.0.300.0000.00719.91
8.0.290.0080.00016.63
8.0.280.0000.00718.36
8.0.270.0110.00416.67
8.0.260.0080.00816.76
8.0.250.0070.00716.71
8.0.240.0100.00316.71
8.0.230.0090.00616.90
8.0.220.0080.00816.73
8.0.210.0070.00216.73
8.0.200.0040.00716.79
8.0.190.0040.00816.85
8.0.180.0080.00416.84
8.0.170.0110.00016.75
8.0.160.0050.01016.84
8.0.150.0060.00916.69
8.0.140.0100.00616.65
8.0.130.0100.00316.73
8.0.120.0070.00416.77
8.0.110.0110.00316.65
8.0.100.0090.00516.65
8.0.90.0100.00516.65
8.0.80.0120.00216.65
8.0.70.0110.00416.73
8.0.60.0080.00816.73
8.0.50.0120.00416.73
8.0.30.0120.00316.66
8.0.20.0100.00516.70
8.0.10.0090.00616.77

preferences:
45.49 ms | 1106 KiB | 5 Q