3v4l.org

run code in 300+ PHP versions simultaneously
<?php @json_encode(null); if (function_exists('json_last_error_msg')) { json_last_error_msg(); }

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)
8.3.60.0110.00416.50
8.3.50.0050.01217.17
8.3.40.0110.00418.47
8.3.30.0070.00718.59
8.3.20.0000.00818.40
8.3.10.0060.00318.48
8.3.00.0090.00019.13
8.2.180.0130.00618.16
8.2.170.0090.00622.96
8.2.160.0060.00918.84
8.2.150.0000.00824.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0000.00821.04
8.2.110.0090.00022.07
8.2.100.0040.00819.45
8.2.90.0040.00417.63
8.2.80.0000.00818.66
8.2.70.0000.00917.49
8.2.60.0000.00817.80
8.2.50.0030.00618.04
8.2.40.0040.00419.23
8.2.30.0000.00817.61
8.2.20.0100.00017.46
8.2.10.0060.00317.61
8.2.00.0070.00317.66
8.1.280.0060.00825.92
8.1.270.0070.00023.99
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0030.00620.71
8.1.230.0080.00317.77
8.1.220.0040.00417.74
8.1.210.0030.00618.77
8.1.200.0040.00417.10
8.1.190.0040.00417.23
8.1.180.0080.00018.10
8.1.170.0040.00417.62
8.1.160.0000.00819.04
8.1.150.0030.00618.62
8.1.140.0000.00717.37
8.1.130.0000.00719.13
8.1.120.0000.00717.36
8.1.110.0000.00717.36
8.1.100.0050.00317.43
8.1.90.0050.00317.29
8.1.80.0000.00817.37
8.1.70.0030.00617.36
8.1.60.0000.00717.40
8.1.50.0040.00417.34
8.1.40.0080.00017.43
8.1.30.0040.00417.44
8.1.20.0000.00717.61
8.1.10.0050.00317.44
8.1.00.0040.00417.39
8.0.300.0040.00418.77
8.0.290.0070.00016.75
8.0.280.0040.00418.61
8.0.270.0040.00417.09
8.0.260.0030.00316.75
8.0.250.0040.00416.86
8.0.240.0040.00416.91
8.0.230.0040.00416.74
8.0.220.0000.00716.83
8.0.210.0070.00016.89
8.0.200.0000.00716.92
8.0.190.0000.00816.76
8.0.180.0050.00316.85
8.0.170.0050.00216.77
8.0.160.0040.00416.70
8.0.150.0030.00516.82
8.0.140.0090.00316.79
8.0.130.0000.00513.27
8.0.120.0100.00016.80
8.0.110.0050.00316.68
8.0.100.0040.00416.88
8.0.90.0030.00516.84
8.0.80.0070.00716.88
8.0.70.0040.00416.70
8.0.60.0000.00716.63
8.0.50.0030.00616.64
8.0.30.0060.01216.81
8.0.20.0080.01116.84
8.0.10.0040.00416.86
8.0.00.0080.01216.73
7.4.330.0060.00012.91
7.4.320.0000.00616.54
7.4.300.0040.00416.52
7.4.290.0050.00316.43
7.4.280.0000.00816.54
7.4.270.0000.00616.45
7.4.260.0050.00013.21
7.4.250.0030.00616.48
7.4.240.0070.00016.42
7.4.230.0050.00316.62
7.4.220.0130.00616.52
7.4.210.0070.00716.45
7.4.200.0030.00316.61
7.4.190.0000.00816.40
7.4.160.0060.00916.22
7.4.150.0080.00916.27
7.4.140.0130.01417.86
7.4.130.0080.01116.42
7.4.120.0070.01616.24
7.4.110.0000.01616.43
7.4.100.0120.01216.63
7.4.90.0130.00516.38
7.4.80.0040.01219.39
7.4.70.0130.00716.58
7.4.60.0130.00316.39
7.4.50.0040.00416.45
7.4.40.0090.00316.51
7.4.30.0060.01016.26
7.4.00.0030.01314.63
7.3.330.0060.00013.01
7.3.320.0000.00513.01
7.3.310.0030.00316.27
7.3.300.0030.00315.97
7.3.290.0100.00316.15
7.3.280.0080.01116.16
7.3.270.0100.00616.53
7.3.260.0120.00816.13
7.3.240.0110.00616.39
7.3.230.0030.01416.20
7.3.210.0070.01416.08
7.3.200.0100.01316.37
7.3.190.0090.00616.23
7.3.180.0070.01016.45
7.3.170.0100.01016.11
7.3.160.0110.00316.45
7.3.120.0000.01614.93
7.2.330.0060.01316.57
7.2.320.0090.00916.49
7.2.310.0110.00816.40
7.2.300.0170.00316.54
7.2.290.0040.01916.48
7.2.00.0000.01419.11
7.1.100.0230.00317.86
7.1.70.0100.00017.08
7.1.60.0100.01619.25
7.1.50.0170.00616.80
7.1.00.0030.04022.31
7.0.200.0000.00716.71
7.0.140.0000.07722.00
7.0.120.0000.07322.16
7.0.90.0330.03719.91
7.0.80.0430.05019.96
7.0.70.0200.04319.91
7.0.60.0670.07320.07
7.0.50.0400.08020.29
7.0.40.0130.06719.94
7.0.30.0130.06720.11
7.0.20.0070.07020.13
7.0.10.0030.05720.10
7.0.00.0100.08720.14
5.6.280.0000.07721.05
5.6.240.0000.04320.57
5.6.230.0000.04720.49
5.6.220.0070.03320.51
5.6.210.0070.05720.46
5.6.200.0030.04321.16
5.6.190.0100.07721.03
5.6.180.0070.07321.07
5.6.170.0130.08021.05
5.6.160.0130.07720.92
5.6.150.0030.05321.09
5.6.140.0070.08321.05
5.6.130.0030.05321.04
5.6.120.0070.08321.13
5.6.110.0100.04020.92
5.6.100.0030.08720.93
5.6.90.0070.06020.88
5.6.80.0100.08020.31
5.6.70.0130.07020.30
5.6.60.0070.08320.44
5.6.50.0030.08320.51
5.6.40.0100.06320.32
5.6.30.0030.06020.34
5.6.20.0000.04020.37
5.6.10.0030.08020.43
5.6.00.0030.07720.38
5.5.380.0030.03720.41
5.5.370.0030.03720.53
5.5.360.0100.07320.40
5.5.350.0130.06720.44
5.5.340.0100.07720.89
5.5.330.0070.08020.86
5.5.320.0030.07320.85
5.5.310.0100.07720.90
5.5.300.0000.07020.91
5.5.290.0170.07020.83
5.5.280.0130.07320.74
5.5.270.0130.07720.75
5.5.260.0170.07320.76
5.5.250.0170.05320.58
5.5.240.0030.04720.31
5.5.230.0130.06320.18
5.5.220.0130.07020.25
5.5.210.0070.04020.26
5.5.200.0100.06320.23
5.5.190.0070.07020.20
5.5.180.0000.07720.14
5.5.160.0130.06020.18
5.5.150.0000.08320.14
5.5.140.0000.05020.11
5.5.130.0030.04720.20
5.5.120.0030.04720.25
5.5.110.0100.09020.21
5.5.100.0030.05020.16
5.5.90.0100.07320.05
5.5.80.0030.04320.15
5.5.70.0130.06720.11
5.5.60.0070.07719.93
5.5.50.0030.04720.02
5.5.40.0000.05020.09
5.5.30.0100.06720.04
5.5.20.0170.06019.90
5.5.10.0030.04719.97
5.5.00.0030.04720.02
5.4.450.0100.07719.55
5.4.440.0000.05019.44
5.4.430.0070.04319.26
5.4.420.0030.08019.45
5.4.410.0100.06719.16
5.4.400.0100.07019.13
5.4.390.0100.07319.02
5.4.380.0170.05319.11
5.4.370.0030.05018.98
5.4.360.0000.08019.04
5.4.350.0070.08019.11
5.4.340.0030.04019.14
5.4.320.0070.10319.06
5.4.310.0100.06018.97
5.4.300.0030.05019.04
5.4.290.0030.05318.90
5.4.280.0130.05719.09
5.4.270.0000.05019.11
5.4.260.0070.08019.11
5.4.250.0070.07318.93
5.4.240.0130.06019.02
5.4.230.0070.06018.94
5.4.220.0070.07719.11
5.4.210.0130.07018.89
5.4.200.0100.06019.04
5.4.190.0030.07018.97
5.4.180.0100.07018.93
5.4.170.0070.06718.95
5.4.160.0070.06319.09
5.4.150.0070.07718.78
5.4.140.0100.06316.24
5.4.130.0030.04016.29
5.4.120.0070.05716.30
5.4.110.0030.07316.21
5.4.100.0170.06016.33
5.4.90.0130.05016.27
5.4.80.0070.07316.32
5.4.70.0170.06716.39
5.4.60.0100.07316.21
5.4.50.0070.05716.23
5.4.40.0100.05316.34
5.4.30.0030.05716.17
5.4.20.0070.06716.19
5.4.10.0000.04016.23
5.4.00.0000.04015.78
5.3.290.0070.06314.48
5.3.280.0070.06314.41
5.3.270.0070.05014.43
5.3.260.0030.07014.45
5.3.250.0030.07014.59
5.3.240.0070.07314.55
5.3.230.0030.04014.41
5.3.220.0070.07714.55
5.3.210.0070.07714.51
5.3.200.0030.07314.42
5.3.190.0130.07014.38
5.3.180.0200.06014.41
5.3.170.0070.07714.50
5.3.160.0030.07014.52
5.3.150.0000.07714.55
5.3.140.0030.07314.54
5.3.130.0100.07314.52
5.3.120.0070.06314.54
5.3.110.0170.04014.40
5.3.100.0070.06313.97
5.3.90.0030.04314.02
5.3.80.0100.06313.92
5.3.70.0070.07713.98
5.3.60.0030.08013.95
5.3.50.0000.06013.71
5.3.40.0030.08013.93
5.3.30.0030.07013.91
5.3.20.0100.04313.69
5.3.10.0070.05713.61
5.3.00.0070.05313.62
5.2.170.0070.06311.00
5.2.160.0070.05711.00
5.2.150.0100.05310.98
5.2.140.0000.05711.08
5.2.130.0070.05711.04
5.2.120.0100.06010.91
5.2.110.0070.06010.96
5.2.100.0000.06011.13
5.2.90.0030.06010.85
5.2.80.0030.06011.11
5.2.70.0070.03011.08
5.2.60.0030.06011.01
5.2.50.0130.05311.04
5.2.40.0070.06010.78
5.2.30.0000.06010.89
5.2.20.0070.05310.88
5.2.10.0100.05310.87
5.2.00.0130.05310.80
5.1.60.0100.04310.05
5.1.50.0030.05310.08
5.1.40.0000.0579.96
5.1.30.0030.05710.35
5.1.20.0100.05010.36
5.1.10.0030.03710.11
5.1.00.0070.04710.09
5.0.50.0070.0279.79
5.0.40.0070.0309.79
5.0.30.0030.0609.79
5.0.20.0030.0409.79
5.0.10.0030.0409.79
5.0.00.0030.0539.79
4.4.90.0000.0409.79
4.4.80.0030.0279.79
4.4.70.0030.0309.79
4.4.60.0030.0179.79
4.4.50.0030.0379.79
4.4.40.0000.0439.79
4.4.30.0030.0379.79
4.4.20.0000.0339.79
4.4.10.0070.0309.79
4.4.00.0070.0509.79
4.3.110.0000.0379.79
4.3.100.0070.0309.79
4.3.90.0100.0239.79
4.3.80.0070.0339.79
4.3.70.0000.0339.79
4.3.60.0030.0239.79
4.3.50.0000.0409.79
4.3.40.0030.0479.79
4.3.30.0070.0239.79
4.3.20.0030.0379.79
4.3.10.0000.0379.79
4.3.00.0000.0339.79

preferences:
42.06 ms | 401 KiB | 5 Q