3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [1=>1, 2=>2, 3=>3]; var_dump( json_encode($a), json_encode(array_values($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)
8.3.60.0180.00018.31
8.3.50.0140.00018.20
8.3.40.0110.00418.53
8.3.30.0090.00618.42
8.3.20.0070.00418.85
8.3.10.0050.00321.63
8.3.00.0040.00423.70
8.2.180.0110.00418.41
8.2.170.0110.00422.96
8.2.160.0110.00419.05
8.2.150.0070.00024.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0000.00721.06
8.2.110.0060.00320.52
8.2.100.0080.00417.59
8.2.90.0070.00417.84
8.2.80.0060.00318.03
8.2.70.0040.00417.38
8.2.60.0040.00417.63
8.2.50.0040.00417.55
8.2.40.0040.00419.35
8.2.30.0050.00319.16
8.2.20.0040.00417.98
8.2.10.0040.00417.99
8.2.00.0030.00319.27
8.1.280.0120.00325.92
8.1.270.0050.00322.16
8.1.260.0030.00626.35
8.1.250.0030.00628.09
8.1.240.0040.00419.16
8.1.230.0080.00422.54
8.1.220.0060.00317.74
8.1.210.0040.00418.77
8.1.200.0040.00717.23
8.1.190.0090.00017.23
8.1.180.0040.00418.10
8.1.170.0000.00717.63
8.1.160.0050.00518.81
8.1.150.0050.00218.72
8.1.140.0070.00017.50
8.1.130.0030.00518.95
8.1.120.0070.00317.46
8.1.110.0050.00217.40
8.1.100.0030.00317.41
8.1.90.0000.00717.27
8.1.80.0000.00717.38
8.1.70.0070.00417.37
8.1.60.0000.00817.51
8.1.50.0050.00317.33
8.1.40.0040.00417.48
8.1.30.0030.00517.54
8.1.20.0000.00717.57
8.1.10.0040.00417.37
8.1.00.0000.00917.37
8.0.300.0040.00419.91
8.0.290.0070.00016.58
8.0.280.0070.00018.24
8.0.270.0000.00717.24
8.0.260.0080.00017.14
8.0.250.0000.00716.79
8.0.240.0000.00716.85
8.0.230.0000.00716.85
8.0.220.0070.00016.80
8.0.210.0070.00016.86
8.0.200.0000.00616.90
8.0.190.0000.00716.76
8.0.180.0050.00216.89
8.0.170.0030.00616.72
8.0.160.0030.00516.83
8.0.150.0080.00016.86
8.0.140.0030.00316.82
8.0.130.0030.00313.27
8.0.120.0040.00416.79
8.0.110.0080.00016.83
8.0.100.0000.00816.93
8.0.90.0000.00816.86
8.0.80.0030.01016.79
8.0.70.0000.00716.75
8.0.60.0000.00716.66
8.0.50.0040.00416.92
8.0.30.0090.01116.96
8.0.20.0110.00717.40
8.0.10.0040.00416.96
8.0.00.0130.00716.70
7.4.330.0000.00515.55
7.4.320.0060.00316.51
7.4.300.0030.00316.41
7.4.290.0040.00416.52
7.4.280.0000.00816.51
7.4.270.0030.00316.48
7.4.260.0030.00316.50
7.4.250.0000.00816.30
7.4.240.0000.00716.43
7.4.230.0040.00416.52
7.4.220.0000.00716.32
7.4.210.0080.01116.43
7.4.200.0000.00716.42
7.4.160.0130.00516.39
7.4.140.0090.01017.86
7.4.130.0100.01016.28
7.4.120.0120.00916.36
7.4.110.0090.00616.23
7.4.100.0130.01016.34
7.4.90.0100.00616.18
7.4.80.0060.01319.39
7.4.70.0110.00716.38
7.4.60.0090.01316.23
7.4.50.0130.00316.37
7.4.40.0090.00916.50
7.4.10.0130.00316.08
7.4.00.0030.01415.37
7.3.330.0000.00612.84
7.3.320.0060.00012.91
7.3.310.0050.00215.97
7.3.300.0000.00716.12
7.3.290.0030.00316.16
7.3.280.0030.01616.14
7.3.260.0120.00716.18
7.3.240.0100.00916.23
7.3.230.0190.00316.11
7.3.210.0070.01016.20
7.3.200.0090.00916.13
7.3.190.0130.00316.29
7.3.180.0070.01316.05
7.3.170.0100.00616.07
7.3.160.0090.00616.31
7.3.130.0120.00016.32
7.3.120.0050.01115.29
7.3.110.0030.01115.36
7.3.100.0070.00715.46
7.3.90.0060.00915.33
7.3.80.0070.00615.51
7.3.70.0050.00815.49
7.3.60.0090.00615.31
7.3.50.0090.00715.36
7.3.40.0050.00615.48
7.3.30.0020.01115.35
7.3.20.0050.00817.26
7.3.10.0050.00517.22
7.3.00.0050.00517.36
7.2.330.0060.01216.46
7.2.320.0090.00616.27
7.2.310.0070.01416.52
7.2.300.0130.00916.40
7.2.290.0060.01516.48
7.2.260.0180.00416.21
7.2.250.0060.01215.74
7.2.240.0050.01015.48
7.2.230.0100.00615.77
7.2.220.0010.01115.45
7.2.210.0050.01015.51
7.2.200.0030.01215.51
7.2.190.0050.01215.45
7.2.180.0070.00815.51
7.2.170.0020.00915.57
7.2.160.0060.00615.68
7.2.150.0070.00717.50
7.2.140.0020.01017.34
7.2.130.0030.01017.44
7.2.120.0070.00917.29
7.2.110.0060.01217.30
7.2.100.0030.01017.43
7.2.90.0080.00717.49
7.2.80.0070.00717.46
7.2.70.0300.00716.52
7.2.60.0100.00716.41
7.2.50.0130.00516.52
7.2.40.0070.01216.63
7.2.30.0110.00716.52
7.2.20.0090.01016.42
7.2.10.0120.00816.48
7.2.00.0070.01016.57
7.1.330.0040.00916.39
7.1.320.0040.01016.51
7.1.310.0100.00516.70
7.1.300.0070.00816.51
7.1.290.0040.00816.50
7.1.280.0070.00716.44
7.1.270.0070.00316.46
7.1.260.0020.01016.26
7.1.250.0050.00616.39
7.1.240.0040.00816.40
7.1.230.0080.00516.43
7.1.220.0050.00716.44
7.1.210.0020.01316.44
7.1.200.0080.00616.28
7.1.190.0050.00816.37
7.1.180.0100.00516.34
7.1.170.0080.00915.39
7.1.160.0090.00715.40
7.1.150.0070.01015.40
7.1.140.0090.01115.63
7.1.130.0090.01115.57
7.1.120.0130.00715.59
7.1.110.0130.00615.50
7.1.100.0140.00715.64
7.1.90.0230.00315.47
7.1.80.0110.00615.43
7.1.70.0140.00615.50
7.1.60.0180.00821.54
7.1.50.0140.01221.60
7.1.40.0190.00721.62
7.1.30.0170.00821.59
7.1.20.0130.01521.42
7.1.10.0050.01215.46
7.1.00.0060.01215.55
7.0.330.0060.00815.88
7.0.320.0100.00616.81
7.0.310.0070.00316.71
7.0.300.0080.00816.74
7.0.290.0000.01416.98
7.0.280.0000.00816.89
7.0.270.0040.01117.08
7.0.260.0140.00317.02
7.0.250.0030.01216.90
7.0.240.0090.00317.04
7.0.230.0030.01316.93
7.0.220.0030.01017.15
7.0.210.0060.00916.77
7.0.200.0040.00816.79
7.0.190.0100.00316.90
7.0.180.0060.00616.87
7.0.170.0060.00616.86
7.0.160.0100.00716.89
7.0.150.0070.00716.79
7.0.140.0090.00617.01
7.0.130.0120.00616.75
7.0.120.0060.00917.08
7.0.110.0130.00017.12
7.0.100.0030.00616.92
7.0.90.0060.00616.88
7.0.80.0080.00816.79
7.0.70.0040.00416.83
7.0.60.0030.00916.84
7.0.50.0040.00716.91
7.0.40.0000.00914.85
7.0.30.0040.00814.89
7.0.20.0000.01114.92
7.0.10.0070.00714.83
7.0.00.0070.01114.96
5.6.400.0050.00914.91
5.6.390.0070.00714.93
5.6.380.0040.01014.99
5.6.370.0100.00715.89
5.6.360.0080.00415.85
5.6.350.0070.00715.59
5.6.340.0040.01115.86
5.6.330.0030.00915.78
5.6.320.0080.00415.98
5.6.310.0030.01015.34
5.6.300.0040.00715.97
5.6.290.0040.00816.03
5.6.280.0090.00916.01
5.6.270.0070.00715.83
5.6.260.0070.00715.78
5.6.250.0060.00615.72
5.6.240.0000.01515.90
5.6.230.0100.00315.66
5.6.220.0040.01115.63
5.6.210.0030.00915.63
5.6.200.0040.01115.52
5.6.190.0060.01015.71
5.6.180.0080.00615.71
5.6.170.0030.00915.67
5.6.160.0000.01315.77
5.6.150.0040.00816.07
5.6.140.0030.01015.83
5.6.130.0040.00815.73
5.6.120.0060.00915.77
5.6.110.0100.00315.66
5.6.100.0080.00815.81
5.6.90.0080.00815.75
5.6.80.0060.01015.61
5.6.70.0080.00815.63
5.6.60.0130.00315.49
5.6.50.0060.00615.70
5.6.40.0000.01115.64
5.6.30.0080.00315.83
5.6.20.0030.00915.70
5.6.10.0000.01015.51
5.6.00.0060.00615.48

preferences:
32.82 ms | 400 KiB | 5 Q