3v4l.org

run code in 300+ PHP versions simultaneously
<?php if(!function_exists('json_decode')) { return; } var_dump(json_decode('{ "a": 1, // Ciao! "b":2 }'));

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)
8.3.40.0040.01118.71
8.3.30.0140.00020.25
8.3.20.0040.00420.04
8.3.10.0050.00221.92
8.3.00.0040.00422.52
8.2.170.0110.00322.96
8.2.160.0110.00420.53
8.2.150.0000.00724.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0080.00019.66
8.2.110.0040.00422.20
8.2.100.0110.00019.40
8.2.90.0040.00419.22
8.2.80.0040.00417.97
8.2.70.0000.00817.63
8.2.60.0080.00017.90
8.2.50.0000.00818.07
8.2.40.0040.00418.22
8.2.30.0040.00417.99
8.2.20.0070.00017.57
8.2.10.0030.00617.61
8.2.00.0070.00317.65
8.1.270.0080.00020.26
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00323.74
8.1.230.0090.00319.15
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.00
8.1.190.0080.00017.30
8.1.180.0040.00518.43
8.1.170.0040.00418.53
8.1.160.0000.00822.11
8.1.150.0070.00018.63
8.1.140.0040.00417.36
8.1.130.0030.00517.63
8.1.120.0070.00017.41
8.1.110.0030.00317.43
8.1.100.0000.00817.43
8.1.90.0070.00017.38
8.1.80.0070.00017.37
8.1.70.0070.00017.36
8.1.60.0000.00917.41
8.1.50.0040.00417.41
8.1.40.0050.00217.33
8.1.30.0070.00017.57
8.1.20.0000.00817.48
8.1.10.0000.00717.34
8.1.00.0000.00717.28
8.0.300.0030.00618.77
8.0.290.0000.00717.17
8.0.280.0030.00318.29
8.0.270.0000.00717.09
8.0.260.0000.00616.86
8.0.250.0030.00316.80
8.0.240.0060.00316.79
8.0.230.0000.00816.84
8.0.220.0000.00716.83
8.0.210.0000.00716.79
8.0.200.0060.00016.88
8.0.190.0030.00516.88
8.0.180.0030.00616.83
8.0.170.0050.00316.80
8.0.160.0030.00316.74
8.0.150.0000.00716.80
8.0.140.0030.00716.83
8.0.130.0050.00013.23
8.0.120.0040.00416.84
8.0.110.0000.00816.75
8.0.100.0040.00416.62
8.0.90.0020.00516.81
8.0.80.0170.00316.83
8.0.70.0080.00016.79
8.0.60.0050.00216.77
8.0.50.0000.00816.63
8.0.30.0160.00517.01
8.0.20.0170.00617.40
8.0.10.0030.00316.97
8.0.00.0090.01216.74
7.4.330.0000.00515.00
7.4.320.0000.00616.42
7.4.300.0060.00016.57
7.4.290.0040.00416.29
7.4.280.0000.00716.43
7.4.270.0000.00716.57
7.4.260.0030.00316.38
7.4.250.0040.00416.34
7.4.240.0050.00216.44
7.4.230.0070.00016.53
7.4.220.0140.01016.23
7.4.210.0070.00816.44
7.4.200.0070.00016.35
7.4.190.0000.00716.34
7.4.160.0100.00516.41
7.4.150.0070.01117.40
7.4.140.0070.01517.86
7.4.130.0070.01016.45
7.4.120.0130.00416.36
7.4.110.0060.01316.63
7.4.100.0030.01316.27
7.4.90.0070.01016.59
7.4.80.0180.00719.39
7.4.70.0070.01016.36
7.4.60.0100.00716.33
7.4.50.0040.00416.21
7.4.40.0070.00722.77
7.4.30.0030.01916.49
7.4.00.0070.01014.53
7.3.330.0030.00313.03
7.3.320.0030.00313.14
7.3.310.0030.00315.99
7.3.300.0060.00016.13
7.3.290.0070.00716.16
7.3.280.0060.00916.16
7.3.270.0100.00717.40
7.3.260.0030.01416.28
7.3.250.0100.00916.34
7.3.240.0040.01316.07
7.3.230.0120.00916.46
7.3.210.0100.00616.17
7.3.200.0090.00919.39
7.3.190.0030.01716.23
7.3.180.0090.00916.14
7.3.170.0100.00616.27
7.3.160.0050.01016.38
7.3.120.0060.00914.82
7.3.10.0120.00616.17
7.3.00.0250.00416.40
7.2.330.0000.01916.36
7.2.320.0130.00316.32
7.2.310.0110.00816.57
7.2.300.0060.01016.41
7.2.290.0100.00716.41
7.2.130.0070.00716.61
7.2.120.0100.00916.07
7.2.110.0240.00316.46
7.2.100.0130.00916.17
7.2.90.0150.00915.81
7.2.80.0070.01116.46
7.2.70.0150.00815.98
7.2.60.0170.00716.31
7.2.50.0130.00716.16
7.2.40.0070.01015.89
7.2.30.0140.00716.16
7.2.20.0170.00816.24
7.2.10.0160.00616.21
7.2.00.0100.00917.58
7.1.250.0120.00615.13
7.1.200.0080.00815.54
7.1.100.0120.00417.73
7.1.70.0110.00016.74
7.1.60.0140.01019.40
7.1.50.0100.01016.83
7.1.00.0030.07322.37
7.0.200.0070.00716.80
7.0.140.0000.07722.21
7.0.60.0170.06719.78
7.0.50.0100.07717.88
7.0.40.0070.06020.03
7.0.30.0300.06020.02
7.0.20.0100.04720.13
7.0.10.0130.06020.38
7.0.00.0000.09020.32
5.6.280.0000.07720.81
5.6.210.0030.08320.52
5.6.200.0100.08318.17
5.6.190.0070.06320.32
5.6.180.3770.04320.63
5.6.170.0300.07320.49
5.6.160.0030.05720.39
5.6.150.0100.04318.18
5.6.140.0100.07318.22
5.6.130.0000.06018.16
5.6.120.0030.04321.00
5.6.110.0070.09021.13
5.6.100.0130.08321.14
5.6.90.0130.07721.09
5.6.80.0100.03320.37
5.6.70.0200.07020.42
5.5.350.0170.07720.46
5.5.340.0000.07317.91
5.5.330.0000.04320.23
5.5.320.0300.07320.51
5.5.310.0170.03720.30
5.5.300.0130.07717.95
5.5.290.0030.05717.98
5.5.280.0070.08320.87
5.5.270.0070.06720.96
5.5.260.0070.08320.71
5.5.250.0030.08020.68
5.5.240.0030.06320.18
5.4.450.0770.06319.64
5.4.440.0730.06019.46
5.4.430.0930.04719.47
5.4.420.0700.05719.27
5.4.410.0770.05719.39
5.4.400.0500.05718.77
5.4.390.0500.06318.62
5.4.380.0170.06718.63
5.4.370.0100.05718.62
5.4.360.0130.05018.72
5.4.350.0060.03711.97
5.4.340.0100.03211.96
5.4.320.0060.04312.45
5.4.310.0030.05212.45
5.4.300.0120.04612.45
5.4.290.0120.04712.45
5.4.280.0050.03612.34
5.4.270.0060.04312.34
5.4.260.0080.03612.35
5.4.250.0100.05018.70
5.4.240.0130.05018.70
5.4.230.0070.07718.87
5.4.220.0070.05718.79
5.4.210.0030.05718.72
5.4.200.0070.05318.88
5.4.190.0000.05718.98
5.4.180.0000.08318.72
5.4.170.0070.05718.87
5.4.160.0070.05319.01
5.4.150.0100.05718.78
5.4.140.0170.05016.18
5.4.130.0170.06016.20
5.4.120.0070.05016.42
5.4.110.0070.05016.38
5.4.100.0100.06316.40
5.4.90.0100.04716.26
5.4.80.0100.05316.36
5.4.70.0030.05316.25
5.4.60.0100.05016.21
5.4.50.0100.05016.31
5.4.40.0070.06316.52
5.4.30.0000.06016.31
5.4.20.0100.04716.47
5.4.10.0030.05316.39
5.4.00.0070.05015.87
5.3.290.0060.05012.80
5.3.280.0030.05714.68
5.3.270.0070.05714.38
5.3.260.0030.06014.30
5.3.250.0130.04314.65
5.3.240.0200.06314.61
5.3.230.0130.05714.49
5.3.220.0130.04714.26
5.3.210.0100.05314.66
5.3.200.0100.05714.61
5.3.190.0200.04314.33
5.3.180.0100.07014.47
5.3.170.0070.05014.59
5.3.160.0100.04714.26
5.3.150.0200.04014.61
5.3.140.0230.06014.57
5.3.130.0070.05314.41
5.3.120.0130.04714.46
5.3.110.0030.05714.54
5.3.100.0000.06013.73
5.3.90.0100.05314.03
5.3.80.0030.05714.03
5.3.70.0100.04714.02
5.3.60.0100.05013.85
5.3.50.0070.06313.95
5.3.40.0000.05313.96
5.3.30.0130.04313.92
5.3.20.0070.06313.39
5.3.10.0070.04713.77
5.3.00.0030.05013.54
5.2.170.0070.04011.07
5.2.160.0070.04310.98
5.2.150.0170.05011.16
5.2.140.0030.04311.16
5.2.130.0000.04711.03
5.2.120.0030.05311.11
5.2.110.0030.04011.11
5.2.100.0100.05010.86
5.2.90.0000.05710.93
5.2.80.0070.04311.20
5.2.70.0000.04711.18
5.2.60.0000.04711.14
5.2.50.0030.04011.01
5.2.40.0030.04010.83
5.2.30.0070.04011.13
5.2.20.0130.03310.98
5.2.10.0070.04011.01
5.2.00.0100.03710.79
5.1.60.0170.0209.88
5.1.50.0030.0339.76
5.1.40.0030.0379.86
5.1.30.0070.03710.52
5.1.20.0000.05710.44
5.1.10.0030.0379.97
5.1.00.0070.03710.25
5.0.50.0030.0338.58
5.0.40.0000.0308.46
5.0.30.0070.0408.15
5.0.20.0070.0238.18
5.0.10.0070.0238.20
5.0.00.0070.0408.39
4.4.90.0030.0207.57
4.4.80.0000.0237.57
4.4.70.0000.0237.57
4.4.60.0030.0277.57
4.4.50.0000.0337.57
4.4.40.0030.0337.57
4.4.30.0000.0307.57
4.4.20.0070.0177.57
4.4.10.0030.0207.57
4.4.00.0070.0337.57
4.3.110.0070.0177.57
4.3.100.0070.0277.57
4.3.90.0000.0277.57
4.3.80.0000.0477.57
4.3.70.0030.0237.57
4.3.60.0000.0207.57
4.3.50.0030.0207.57
4.3.40.0000.0477.57
4.3.30.0030.0207.57
4.3.20.0030.0277.57
4.3.10.0070.0177.57
4.3.00.0100.0236.76

preferences:
46.22 ms | 400 KiB | 5 Q