3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=array("m"=>10,"sm"=>20,"xl"=>30,"xxl"=>10); $b=json_encode($a); echo $b;

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)
8.3.70.0110.00718.18
8.3.60.0100.01018.30
8.3.50.0060.00921.09
8.3.40.0070.01018.74
8.3.30.0000.01420.04
8.3.20.0040.00420.09
8.3.10.0040.00421.97
8.3.00.0000.00822.43
8.2.190.0180.00316.58
8.2.180.0160.00016.32
8.2.170.0070.00722.96
8.2.160.0120.00320.52
8.2.150.0000.00824.18
8.2.140.0000.00824.66
8.2.130.0000.00826.16
8.2.120.0040.00419.79
8.2.110.0060.00322.08
8.2.100.0090.00317.78
8.2.90.0000.00817.63
8.2.80.0000.00819.03
8.2.70.0000.00818.04
8.2.60.0040.00417.93
8.2.50.0060.00318.10
8.2.40.0050.00220.36
8.2.30.0040.00417.96
8.2.20.0060.00317.55
8.2.10.0070.00017.66
8.2.00.0040.00417.73
8.1.280.0140.00325.92
8.1.270.0040.00424.66
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0080.00322.42
8.1.230.0040.00820.95
8.1.220.0040.00417.74
8.1.210.0090.00018.77
8.1.200.0040.00417.23
8.1.190.0040.00417.22
8.1.180.0000.00818.10
8.1.170.0040.00418.50
8.1.160.0070.00022.06
8.1.150.0060.00318.57
8.1.140.0020.00517.37
8.1.130.0030.00317.68
8.1.120.0000.01017.29
8.1.110.0000.00917.23
8.1.100.0030.00317.30
8.1.90.0040.00417.38
8.1.80.0000.00717.37
8.1.70.0000.00717.29
8.1.60.0030.00617.54
8.1.50.0050.00217.42
8.1.40.0040.00417.43
8.1.30.0040.00417.51
8.1.20.0050.00317.62
8.1.10.0070.00017.51
8.1.00.0050.00317.40
8.0.300.0030.00519.94
8.0.290.0030.00516.58
8.0.280.0030.00318.43
8.0.270.0000.00717.24
8.0.260.0040.00416.91
8.0.250.0030.00316.91
8.0.240.0000.00816.82
8.0.230.0030.00316.86
8.0.220.0050.00316.82
8.0.210.0040.00416.78
8.0.200.0060.00016.87
8.0.190.0040.00416.86
8.0.180.0040.00416.73
8.0.170.0030.00416.84
8.0.160.0070.00016.71
8.0.150.0040.00416.72
8.0.140.0000.00816.67
8.0.130.0000.00513.23
8.0.120.0040.00416.81
8.0.110.0070.00016.86
8.0.100.0000.00716.80
8.0.90.0000.00716.76
8.0.80.0080.01116.87
8.0.70.0070.00016.79
8.0.60.0020.00516.66
8.0.50.0040.00416.82
8.0.30.0080.01416.77
8.0.20.0110.00817.40
8.0.10.0040.00416.84
8.0.00.0100.00716.80
7.4.330.0020.00215.00
7.4.320.0030.00316.43
7.4.300.0070.00016.49
7.4.290.0000.00816.44
7.4.280.0070.00016.35
7.4.270.0030.00316.51
7.4.260.0000.00716.42
7.4.250.0040.00416.46
7.4.240.0050.00216.37
7.4.230.0030.00316.27
7.4.220.0060.01416.38
7.4.210.0060.00816.45
7.4.200.0030.00316.40
7.4.190.0030.00316.28
7.4.160.0090.00616.36
7.4.150.0120.00617.40
7.4.140.0110.01117.86
7.4.130.0070.01216.44
7.4.120.0120.00516.49
7.4.110.0090.01416.39
7.4.100.0130.00316.48
7.4.90.0140.00416.31
7.4.80.0130.00319.39
7.4.70.0090.01016.33
7.4.60.0140.00316.41
7.4.50.0000.00416.45
7.4.40.0100.00722.77
7.4.30.0090.00816.49
7.4.00.0090.00614.92
7.3.330.0060.00013.06
7.3.320.0060.00013.10
7.3.310.0040.00416.12
7.3.300.0000.00616.05
7.3.290.0060.00616.20
7.3.280.0090.00716.17
7.3.270.0120.00417.40
7.3.260.0100.00616.09
7.3.250.0130.00616.21
7.3.240.0040.01316.26
7.3.230.0090.00816.39
7.3.210.0090.00616.21
7.3.200.0060.01119.39
7.3.190.0130.00316.49
7.3.180.0040.01216.40
7.3.170.0090.00616.50
7.3.160.0110.00616.45
7.3.120.0030.01214.63
7.3.10.0100.00716.34
7.3.00.0220.00316.39
7.2.330.0100.00716.58
7.2.320.0140.00516.55
7.2.310.0000.01716.49
7.2.300.0040.01216.58
7.2.290.0040.01516.37
7.2.130.0030.01316.14
7.2.120.0150.00916.23
7.2.110.0120.00816.50
7.2.100.0100.01016.14
7.2.90.0100.01716.52
7.2.80.0160.01216.51
7.2.70.0030.00716.18
7.2.60.0140.00516.59
7.2.50.0200.01216.51
7.2.40.0100.00716.33
7.2.30.0070.01516.13
7.2.20.0180.00616.67
7.2.10.0170.00916.47
7.2.00.0120.00717.88
7.1.250.0080.00815.29
7.1.100.0000.01317.85
7.1.70.0040.01117.22
7.1.60.0100.01419.29
7.1.50.0070.01716.92
7.1.00.0000.03722.57
7.0.200.0150.00614.72
7.0.140.0000.07022.21
7.0.110.0130.07320.09
7.0.100.0130.08319.92
7.0.90.0230.07320.05
7.0.80.0030.08719.89
7.0.70.0170.07720.00
7.0.60.0030.05719.61
7.0.50.0070.05019.93
7.0.40.0000.05019.86
7.0.30.0070.07319.75
7.0.20.0000.08319.68
7.0.10.0000.05319.77
7.0.00.0070.04319.69
5.6.280.0100.06720.98
5.6.260.0100.06320.89
5.6.250.0170.05320.66
5.6.240.0130.04320.71
5.6.230.0100.07720.66
5.6.220.0000.06020.62
5.6.210.0070.07720.65
5.6.200.0070.05720.66
5.6.190.0200.07320.46
5.6.180.0100.07020.57
5.6.170.0000.05020.45
5.6.160.0030.05020.46
5.6.150.0030.08320.61
5.6.140.0070.08020.58
5.6.130.0070.04320.57
5.6.120.0000.06720.64
5.6.110.0000.08320.64
5.6.100.0070.07720.83
5.6.90.0100.07720.67
5.6.80.0100.07320.08
5.6.70.0130.07719.98
5.6.60.0130.06719.95
5.6.50.0170.06720.07
5.6.40.0070.05720.00
5.6.30.0130.03720.00
5.6.20.0070.07720.05
5.6.10.0070.08319.98
5.6.00.0070.03720.02
5.5.380.0070.08717.50
5.5.370.0030.08317.58
5.5.360.0070.08317.50
5.5.350.0000.06017.52
5.5.340.0130.06017.86
5.5.330.0100.07018.09
5.5.320.0070.07717.85
5.5.310.0030.07717.89
5.5.300.0100.04318.12
5.5.290.0030.07317.85
5.5.280.0070.08718.13
5.5.270.0100.07718.00
5.5.260.0070.08718.11
5.5.250.0030.08017.82
5.5.240.0130.07317.27
5.5.230.0030.06317.23
5.5.220.0100.07017.47
5.5.210.0070.04017.27
5.5.200.0070.07017.45
5.5.190.0170.06717.19
5.5.180.0070.05717.45
5.5.160.0070.07017.61
5.5.150.0070.07017.33
5.5.140.0030.04717.21
5.5.130.0100.05317.19
5.5.120.0000.08017.45
5.5.110.0130.06717.52
5.5.100.0070.05017.42
5.5.90.0030.08017.41
5.5.80.0000.08317.25
5.5.70.0070.06717.01
5.5.60.0130.05717.38
5.5.50.0100.07717.36
5.5.40.0070.04017.26
5.5.30.0030.04317.39
5.5.20.0030.07717.10
5.5.10.0030.05317.37
5.5.00.0030.04017.22
5.4.450.0000.08319.49
5.4.440.0100.04019.57
5.4.430.0030.08019.32
5.4.420.0100.07719.35
5.4.410.0100.07019.10
5.4.400.0030.04019.17
5.4.390.0170.06719.12
5.4.380.0100.05319.20
5.4.370.0030.08318.93
5.4.360.0200.05719.01
5.4.350.0030.05319.27
5.4.340.0030.04719.27
5.4.320.0100.08018.98
5.4.310.0070.05019.12
5.4.300.0070.07719.00
5.4.290.0130.07018.93
5.4.280.0000.06019.25
5.4.270.0100.04019.12
5.4.260.0100.07319.19
5.4.250.0030.06719.11
5.4.240.0030.04719.17
5.4.230.0000.06319.02
5.4.220.0070.07018.94
5.4.210.0030.06319.11
5.4.200.0030.04319.00
5.4.190.0030.03718.98
5.4.180.0030.07319.11
5.4.170.0030.04319.02
5.4.160.0030.03718.98
5.4.150.0030.03719.25
5.4.140.0030.03716.27
5.4.130.0070.03016.35
5.4.120.0000.04016.20
5.4.110.0000.04016.19
5.4.100.0030.03016.18
5.4.90.0070.04016.54
5.4.80.0030.03316.12
5.4.70.0000.04716.12
5.4.60.0070.07716.46
5.4.50.0070.06316.35
5.4.40.0100.06016.50
5.4.30.0100.03016.48
5.4.20.0070.03316.34
5.4.10.0070.04316.25
5.4.00.0000.03715.93
5.3.290.0070.07314.68
5.3.280.0070.06314.59
5.3.270.0030.03714.48
5.3.260.0030.03714.49
5.3.250.0070.02714.54
5.3.240.0070.02714.60
5.3.230.0000.04014.59
5.3.220.0030.03714.44
5.3.210.0000.04314.41
5.3.200.0000.04314.48
5.3.190.0000.03314.50
5.3.180.0100.03014.63
5.3.170.0070.07314.65
5.3.160.0000.07014.46
5.3.150.0030.04714.46
5.3.140.0070.06714.54
5.3.130.0000.04314.61
5.3.120.0070.05714.64
5.3.110.0030.03714.62
5.3.100.0030.04014.07
5.3.90.0000.04013.81
5.3.80.0000.05014.03
5.3.70.0100.03013.86
5.3.60.0030.03314.01
5.3.50.0000.04013.79
5.3.40.0000.04014.04
5.3.30.0100.02713.69
5.3.20.0000.03713.51
5.3.10.0030.03313.67
5.3.00.0030.03713.56
5.2.170.0000.04011.82
5.2.160.0000.03311.82
5.2.150.0000.03011.82
5.2.140.0000.03011.82
5.2.130.0000.03011.82
5.2.120.0070.02311.82
5.2.110.0000.03011.82
5.2.100.0000.03011.82
5.2.90.0070.01711.82
5.2.80.0030.02711.82
5.2.70.0000.03011.82
5.2.60.0030.02311.82
5.2.50.0000.03311.82
5.2.40.0070.02311.82
5.2.30.0070.02011.82
5.2.20.0000.02711.82
5.2.10.0070.03011.82
5.2.00.0000.02311.82
5.1.60.0030.02311.82
5.1.50.0070.02011.82
5.1.40.0000.02011.82
5.1.30.0000.02711.82
5.1.20.0000.02711.82
5.1.10.0000.02711.82
5.1.00.0030.02311.82
5.0.50.0000.02011.82
5.0.40.0000.02011.82
5.0.30.0000.03011.82
5.0.20.0070.01311.82
5.0.10.0100.01011.82
5.0.00.0000.03711.82
4.4.90.0000.01311.82
4.4.80.0030.01011.82
4.4.70.0000.01311.82
4.4.60.0030.01311.82
4.4.50.0000.02011.82
4.4.40.0030.02311.82
4.4.30.0000.01311.82
4.4.20.0000.01711.82
4.4.10.0030.01311.82
4.4.00.0000.02711.82
4.3.110.0000.01711.82
4.3.100.0030.01311.82
4.3.90.0000.01311.82
4.3.80.0030.02011.82
4.3.70.0000.01311.82
4.3.60.0000.01311.82
4.3.50.0100.01011.82
4.3.40.0030.04311.82
4.3.30.0030.01011.82
4.3.20.0030.01311.82
4.3.10.0000.01711.82
4.3.00.0030.01011.82

preferences:
45.36 ms | 401 KiB | 5 Q