3v4l.org

run code in 300+ PHP versions simultaneously
<?php $result = array( "\xb0\x00", "\x43\x00", "\x00\x00" ); $jsontest = json_encode( $result ); echo "jsontest is: $jsontest"; ?>

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)
8.3.60.0110.00316.63
8.3.50.0130.00821.90
8.3.40.0100.00318.85
8.3.30.0100.00618.91
8.3.20.0040.00420.04
8.3.10.0030.00523.56
8.3.00.0040.00420.72
8.2.180.0090.00616.50
8.2.170.0100.00722.96
8.2.160.0130.00320.21
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0040.00420.72
8.2.110.0060.00322.15
8.2.100.0080.00419.64
8.2.90.0060.00319.28
8.2.80.0040.00417.97
8.2.70.0030.00617.63
8.2.60.0040.00817.68
8.2.50.0030.00618.07
8.2.40.0040.00421.01
8.2.30.0000.00718.25
8.2.20.0000.00817.74
8.2.10.0030.00618.05
8.2.00.0040.00417.59
8.1.280.0070.01125.92
8.1.270.0000.00923.96
8.1.260.0000.00826.35
8.1.250.0060.00328.09
8.1.240.0030.00623.80
8.1.230.0100.00019.04
8.1.220.0000.00817.78
8.1.210.0080.00018.77
8.1.200.0060.00617.00
8.1.190.0000.00917.23
8.1.180.0030.00518.10
8.1.170.0000.00818.53
8.1.160.0040.00421.90
8.1.150.0040.00418.52
8.1.140.0060.00317.38
8.1.130.0070.00017.83
8.1.120.0040.00317.39
8.1.110.0040.00417.43
8.1.100.0040.00417.40
8.1.90.0000.00717.30
8.1.80.0000.00817.36
8.1.70.0000.00717.34
8.1.60.0050.00317.47
8.1.50.0060.00317.50
8.1.40.0050.00317.50
8.1.30.0000.00717.54
8.1.20.0030.00517.45
8.1.10.0000.00817.50
8.1.00.0040.00417.48
8.0.300.0070.00018.77
8.0.290.0000.00817.05
8.0.280.0030.00318.48
8.0.270.0060.00317.21
8.0.260.0000.00817.13
8.0.250.0000.00716.93
8.0.240.0040.00416.84
8.0.230.0030.00316.94
8.0.220.0050.00216.88
8.0.210.0000.00716.93
8.0.200.0060.00016.95
8.0.190.0000.00816.97
8.0.180.0000.00716.91
8.0.170.0050.00216.93
8.0.160.0030.00316.76
8.0.150.0040.00416.65
8.0.140.0000.00716.82
8.0.130.0000.00513.29
8.0.120.0070.00016.82
8.0.110.0040.00416.86
8.0.100.0000.00716.68
8.0.90.0050.00316.88
8.0.80.0040.01116.95
8.0.70.0000.00816.73
8.0.60.0040.00416.80
8.0.50.0050.00316.84
8.0.30.0110.00817.16
8.0.20.0100.00817.40
8.0.10.0000.00716.85
8.0.00.0120.00516.64
7.4.330.0030.00315.00
7.4.320.0000.00616.58
7.4.300.0000.00716.52
7.4.290.0000.00716.58
7.4.280.0050.00316.57
7.4.270.0040.00416.53
7.4.260.0000.00716.41
7.4.250.0000.00816.48
7.4.240.0060.00116.53
7.4.230.0000.00716.36
7.4.220.0110.00716.36
7.4.210.0120.00616.55
7.4.200.0030.00316.34
7.4.190.0000.00716.33
7.4.160.0120.00616.45
7.4.150.0200.00417.40
7.4.140.0100.01217.86
7.4.130.0090.00916.37
7.4.120.0110.00816.44
7.4.110.0130.00316.36
7.4.100.0020.02016.34
7.4.90.0120.00616.39
7.4.80.0110.01019.39
7.4.70.0030.01316.46
7.4.60.0060.01216.61
7.4.50.0020.00216.45
7.4.40.0080.00816.41
7.4.30.0060.00916.21
7.4.00.0070.00714.67
7.3.330.0000.00712.87
7.3.320.0000.00612.91
7.3.310.0000.00816.20
7.3.300.0000.00716.24
7.3.290.0060.01516.20
7.3.280.0100.00716.23
7.3.270.0130.01017.40
7.3.260.0070.01016.49
7.3.250.0120.00616.48
7.3.240.0140.00316.30
7.3.230.0070.01016.53
7.3.210.0120.00416.59
7.3.200.0120.00919.39
7.3.190.0030.01516.44
7.3.180.0070.01016.25
7.3.170.0030.01316.30
7.3.160.0060.00916.51
7.3.120.0110.00714.32
7.2.330.0090.00916.55
7.2.320.0070.01016.27
7.2.310.0120.00616.36
7.2.300.0080.00816.57
7.2.290.0100.01316.61
7.2.00.0060.01019.53
7.1.100.0080.00318.16
7.1.70.0070.00717.16
7.1.60.0150.00919.46
7.1.50.0060.01516.63
7.1.00.0030.07722.50
7.0.200.0120.00016.97
7.0.140.0000.07022.21
7.0.90.0130.07720.02
7.0.80.0100.06019.95
7.0.70.0070.05319.91
7.0.60.0170.05019.82
7.0.50.0130.07720.38
7.0.40.0170.07320.13
7.0.30.0100.06720.12
7.0.20.0100.07720.08
7.0.10.0070.06720.18
7.0.00.0030.09020.09
5.6.280.0030.07020.91
5.6.240.0070.06320.57
5.6.230.0130.03720.56
5.6.220.0070.05020.55
5.6.210.0170.07020.55
5.6.200.0170.07320.96
5.6.190.0130.07321.04
5.6.180.0130.04020.95
5.6.170.0070.07021.08
5.6.160.0100.08021.01
5.6.150.0070.05021.10
5.6.140.0070.08720.94
5.6.130.0100.05321.00
5.6.120.0070.06720.92
5.6.110.0030.05020.99
5.6.100.0100.08021.16
5.6.90.0200.07320.93
5.6.80.0070.06020.38
5.6.70.0170.07320.32
5.6.60.0070.07020.43
5.6.50.0100.08020.48
5.6.40.0100.07720.40
5.6.30.0130.06020.43
5.6.20.0030.06020.36
5.6.10.0070.04320.39
5.6.00.0070.07720.41
5.5.380.0070.06720.39
5.5.370.0200.05720.41
5.5.360.0070.05320.40
5.5.350.0070.06720.32
5.5.340.0100.07320.72
5.5.330.0030.07720.75
5.5.320.0100.07320.86
5.5.310.0130.07020.63
5.5.300.0100.07320.82
5.5.290.0100.07720.76
5.5.280.0170.05320.88
5.5.270.0170.07720.86
5.5.260.0070.08020.87
5.5.250.0100.07720.61
5.5.240.0100.07320.28
5.5.230.0130.07320.20
5.5.220.0130.03720.13
5.5.210.0100.04320.25
5.5.200.0070.07320.17
5.5.190.0130.07320.18
5.5.180.0030.05719.99
5.5.160.0170.07320.16
5.5.150.0100.07720.14
5.5.140.0100.07020.16
5.5.130.0130.04020.23
5.5.120.0070.06320.23
5.5.110.0130.07320.26
5.5.100.0100.07320.06
5.5.90.0070.04020.05
5.5.80.0000.07720.10
5.5.70.0130.05320.07
5.5.60.0030.07320.06
5.5.50.0100.04019.92
5.5.40.0030.07719.96
5.5.30.0100.07320.14
5.5.20.0070.08319.92
5.5.10.0070.07320.07
5.5.00.0100.07720.02
5.4.450.0030.06719.47
5.4.440.0100.07319.11
5.4.430.0030.05719.39
5.4.420.0070.05019.38
5.4.410.0070.04719.17
5.4.400.0100.07718.93
5.4.390.0030.07719.02
5.4.380.0070.07318.81
5.4.370.0070.07019.05
5.4.360.0100.07318.96
5.4.350.0130.07319.05
5.4.340.0100.07719.07
5.4.320.0030.06019.13
5.4.310.0070.06019.00
5.4.300.0000.05018.82
5.4.290.0000.08018.81
5.4.280.0030.08318.91
5.4.270.0030.05319.03
5.4.260.0070.04319.11
5.4.250.0100.04319.02
5.4.240.0000.04719.05
5.4.230.0070.03719.24
5.4.220.0130.06719.04
5.4.210.0070.04319.06
5.4.200.0100.06719.12
5.4.190.0030.05319.02
5.4.180.0100.06719.02
5.4.170.0070.07319.22
5.4.160.0100.06319.07
5.4.150.0070.07318.92
5.4.140.0100.06316.24
5.4.130.0130.06716.23
5.4.120.0130.03316.32
5.4.110.0070.07016.36
5.4.100.0070.06716.33
5.4.90.0070.06016.22
5.4.80.0030.04316.46
5.4.70.0130.05716.34
5.4.60.0030.07316.47
5.4.50.0130.07016.35
5.4.40.0030.04316.40
5.4.30.0130.03316.18
5.4.20.0070.04016.27
5.4.10.0030.05316.38
5.4.00.0070.06715.68
5.3.290.0030.04714.48
5.3.280.0030.06014.58
5.3.270.0030.04014.51
5.3.260.0070.06314.46
5.3.250.0100.06014.59
5.3.240.0070.07014.58
5.3.230.0100.07014.45
5.3.220.0070.04314.52
5.3.210.0030.07714.43
5.3.200.0070.07314.42
5.3.190.0070.04314.55
5.3.180.0070.07014.52
5.3.170.0070.07014.50
5.3.160.0100.07014.42
5.3.150.0100.07014.38
5.3.140.0030.07714.50
5.3.130.0100.07314.53
5.3.120.0100.07314.48
5.3.110.0170.06314.53
5.3.100.0100.06713.89
5.3.90.0030.06714.02
5.3.80.0000.07714.02
5.3.70.0100.06313.88
5.3.60.0170.06013.98
5.3.50.0070.04013.80
5.3.40.0070.08013.73
5.3.30.0070.04013.76
5.3.20.0030.06713.64
5.3.10.0100.06313.60
5.3.00.0070.04313.57
5.2.170.0070.06311.09
5.2.160.0000.05011.09
5.2.150.0030.06011.14
5.2.140.0030.06310.99
5.2.130.0000.07310.92
5.2.120.0030.05710.89
5.2.110.0100.06011.14
5.2.100.0100.05011.05
5.2.90.0100.05311.06
5.2.80.0070.05311.04
5.2.70.0070.06311.14
5.2.60.0070.05311.09
5.2.50.0070.05010.86
5.2.40.0030.03710.91
5.2.30.0030.03310.95
5.2.20.0030.03010.94
5.2.10.0070.06310.80
5.2.00.0030.02710.72
5.1.60.0030.0579.97
5.1.50.0000.0579.83
5.1.40.0030.05010.02
5.1.30.0070.04310.40
5.1.20.0070.03010.37
5.1.10.0100.04710.09
5.1.00.0000.0509.89
5.0.50.0030.0309.64
5.0.40.0030.0239.64
5.0.30.0030.0609.64
5.0.20.0030.0379.64
5.0.10.0100.0409.64
5.0.00.0070.0409.64
4.4.90.0000.0179.64
4.4.80.0000.0409.64
4.4.70.0070.0309.64
4.4.60.0000.0339.64
4.4.50.0030.0209.64
4.4.40.0030.0509.64
4.4.30.0000.0339.64
4.4.20.0000.0339.64
4.4.10.0130.0239.64
4.4.00.0000.0579.64
4.3.110.0000.0409.64
4.3.100.0000.0379.64
4.3.90.0100.0309.64
4.3.80.0000.0539.64
4.3.70.0000.0339.64
4.3.60.0030.0279.64
4.3.50.0030.0339.64
4.3.40.0000.0409.64
4.3.30.0000.0309.64
4.3.20.0000.0279.64
4.3.10.0070.0279.64
4.3.00.0030.0339.64

preferences:
48.48 ms | 401 KiB | 5 Q