3v4l.org

run code in 300+ PHP versions simultaneously
<?php print_r(json_decode('[ null, "\u0000\u0000\u0000", "0", "a\u0000\u0012bc\u0008d", 0, {"b":""} ]', true)); echo "-------------------------\n\n"; var_dump(json_decode('[ null, "\u0000\u0000\u0000", "0", "a\u0000\u0012bc\u0008d", 0, {"b":""} ]', true));

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)
8.3.60.0040.01118.56
8.3.50.0110.00821.09
8.3.40.0140.00018.71
8.3.30.0120.00318.90
8.3.20.0080.00020.25
8.3.10.0080.00023.84
8.3.00.0040.00419.11
8.2.180.0040.01816.38
8.2.170.0100.00322.96
8.2.160.0100.00320.45
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0070.00026.16
8.2.120.0040.00421.17
8.2.110.0030.00621.05
8.2.100.0090.00317.72
8.2.90.0000.00917.72
8.2.80.0090.00019.07
8.2.70.0060.00317.50
8.2.60.0060.00317.65
8.2.50.0000.00818.07
8.2.40.0060.00318.09
8.2.30.0000.01019.44
8.2.20.0040.00417.63
8.2.10.0080.00017.94
8.2.00.0030.00617.81
8.1.280.0140.00425.92
8.1.270.0000.01520.37
8.1.260.0000.00726.35
8.1.250.0050.00228.09
8.1.240.0060.00321.20
8.1.230.0030.00820.91
8.1.220.0090.00017.74
8.1.210.0030.00618.77
8.1.200.0000.00817.10
8.1.190.0050.00317.00
8.1.180.0080.00018.89
8.1.170.0090.00018.52
8.1.160.0040.00421.95
8.1.150.0040.00418.81
8.1.140.0000.00717.31
8.1.130.0070.00017.82
8.1.120.0030.00517.36
8.1.110.0030.00517.24
8.1.100.0030.00317.23
8.1.90.0080.00017.24
8.1.80.0040.00417.22
8.1.70.0000.00717.32
8.1.60.0000.00817.46
8.1.50.0000.00917.37
8.1.40.0040.00417.37
8.1.30.0030.00517.59
8.1.20.0090.00017.47
8.1.10.0000.00717.55
8.1.00.0030.00517.39
8.0.300.0000.00720.07
8.0.290.0000.00716.63
8.0.280.0030.00318.32
8.0.270.0040.00416.76
8.0.260.0040.00417.07
8.0.250.0030.00316.84
8.0.240.0050.00316.74
8.0.230.0040.00416.80
8.0.220.0030.00316.78
8.0.210.0000.00716.70
8.0.200.0060.00016.88
8.0.190.0080.00016.70
8.0.180.0050.00316.68
8.0.170.0020.00516.70
8.0.160.0000.00816.77
8.0.150.0030.00316.73
8.0.140.0040.00416.68
8.0.130.0030.00313.20
8.0.120.0040.00416.70
8.0.110.0030.00516.63
8.0.100.0060.00316.71
8.0.90.0000.00716.67
8.0.80.0130.00316.72
8.0.70.0040.00416.65
8.0.60.0070.00016.64
8.0.50.0070.00016.65
8.0.30.0050.01217.07
8.0.20.0110.00617.40
8.0.10.0040.00416.91
8.0.00.0090.00816.67
7.4.330.0020.00215.03
7.4.320.0030.00316.39
7.4.300.0000.00616.41
7.4.290.0040.00416.34
7.4.280.0050.00616.48
7.4.270.0000.00716.50
7.4.260.0030.00516.46
7.4.250.0080.00016.25
7.4.240.0040.00416.40
7.4.230.0000.00716.50
7.4.220.0000.01816.58
7.4.210.0090.00516.48
7.4.200.0000.00716.46
7.4.160.0070.01016.29
7.4.150.0090.00917.40
7.4.140.0170.02017.86
7.4.130.0170.00016.39
7.4.120.0110.00816.47
7.4.110.0120.00616.32
7.4.100.0150.01116.45
7.4.90.0090.00916.52
7.4.80.0060.01319.39
7.4.70.0030.01316.61
7.4.60.0090.01116.57
7.4.50.0000.00716.23
7.4.40.0120.00916.29
7.4.30.0160.00616.33
7.4.00.0030.01314.92
7.3.330.0000.00612.90
7.3.320.0020.00212.95
7.3.310.0060.00016.03
7.3.300.0050.00215.88
7.3.290.0040.01216.18
7.3.280.0110.01016.17
7.3.270.0170.00417.40
7.3.260.0110.00716.39
7.3.240.0110.00616.49
7.3.230.0170.00916.39
7.3.210.0080.00816.35
7.3.200.0150.00519.39
7.3.190.0040.01816.23
7.3.180.0040.01316.10
7.3.170.0130.00316.30
7.3.160.0070.01016.25
7.3.120.0070.00714.81
7.3.110.0100.00614.76
7.3.100.0000.01414.88
7.3.90.0090.00614.73
7.3.80.0100.00714.84
7.3.70.0000.01614.39
7.3.60.0080.00314.71
7.3.50.0030.01014.72
7.3.40.0000.01514.82
7.3.30.0040.00714.50
7.3.20.0120.00316.44
7.3.10.0030.01316.69
7.3.00.0040.00816.61
7.2.330.0070.01016.40
7.2.320.0030.01416.66
7.2.310.0050.01116.41
7.2.300.0090.00916.15
7.2.290.0070.01716.42
7.2.240.0090.00614.96
7.2.230.0090.00615.07
7.2.220.0100.00714.71
7.2.210.0030.01014.46
7.2.200.0070.00714.59
7.2.190.0040.01114.98
7.2.180.0040.01215.11
7.2.170.0030.01215.01
7.2.160.0050.00814.92
7.2.150.0000.01616.89
7.2.140.0030.01016.35
7.2.130.0040.00816.79
7.2.120.0060.00916.73
7.2.110.0070.00716.84
7.2.100.0120.00316.86
7.2.90.0100.00716.76
7.2.80.0140.00316.38
7.2.70.0040.01516.84
7.2.60.0020.01516.63
7.2.50.0000.01516.81
7.2.40.0100.00716.68
7.2.30.0000.01716.91
7.2.20.0030.01416.69
7.2.10.0100.00716.73
7.2.00.0070.00817.97
7.1.330.0070.00715.45
7.1.320.0110.00415.52
7.1.310.0130.00315.60
7.1.300.0040.01115.40
7.1.290.0000.01015.49
7.1.280.0030.01515.77
7.1.270.0030.01015.75
7.1.260.0070.00715.71
7.1.250.0090.00315.27
7.1.200.0070.00715.44
7.1.100.0000.01117.77
7.1.70.0070.00316.90
7.1.60.0070.01719.48
7.1.50.0030.01416.82
7.1.00.0030.07722.48
7.0.200.0120.00816.48
7.0.60.0100.05319.90
7.0.50.0070.06317.86
7.0.40.0100.07320.25
7.0.30.0100.05320.21
7.0.20.0330.07020.16
7.0.10.0300.06020.24
7.0.00.0130.04720.33
5.6.280.0000.07721.03
5.6.210.0070.03720.66
5.6.200.0030.08318.22
5.6.190.0130.07720.47
5.6.180.3370.03720.64
5.6.170.0230.04320.47
5.6.160.0170.06020.49
5.6.150.0070.03718.19
5.6.140.0000.04718.18
5.6.130.0100.08018.18
5.6.120.0100.08320.97
5.6.110.0030.06020.99
5.6.100.0000.05321.13
5.6.90.0100.08721.09
5.6.80.0000.07720.47
5.6.70.4430.04320.51
5.5.350.0200.03720.36
5.5.340.0170.06718.01
5.5.330.0070.08720.29
5.5.320.0330.07020.26
5.5.310.0230.04720.18
5.5.300.0030.08017.95
5.5.290.0130.07717.91
5.5.280.0000.05720.75
5.5.270.0070.08720.91
5.5.260.0100.07020.97
5.5.250.0170.06020.68
5.5.240.0030.03720.25
5.4.450.0730.05019.52
5.4.440.0530.06319.49
5.4.430.0700.04719.43
5.4.420.0070.06019.41
5.4.410.0070.05719.41
5.4.400.0100.05719.25
5.4.390.0130.05319.09
5.4.380.0100.05319.09
5.4.370.0170.04319.11
5.4.360.0130.05019.21
5.4.350.0170.04719.09
5.4.340.0000.06019.11
5.4.320.0130.05019.20
5.4.310.0170.04718.98
5.4.300.0130.04719.07
5.4.290.0200.04319.20
5.4.280.0100.06019.05
5.4.270.0270.04019.23
5.4.260.0130.04719.03
5.4.250.0070.05719.06
5.4.240.0130.05019.11
5.4.230.0200.06019.05
5.4.220.0130.05019.25
5.4.210.0100.05319.14
5.4.200.0070.06016.64
5.4.190.0230.05019.09
5.4.180.0200.05719.19
5.4.170.0100.05719.07
5.4.160.0100.05019.10
5.4.150.0100.05319.23
5.4.140.0100.05316.66
5.4.130.0130.04716.25
5.4.120.0170.04016.28
5.4.110.0100.04716.25
5.4.100.0070.06016.35
5.4.90.0000.06016.38
5.4.80.0100.04716.35
5.4.70.0100.05016.57
5.4.60.0170.06016.40
5.4.50.0130.05016.44
5.4.40.0030.05716.26
5.4.30.0100.05716.55
5.4.20.0100.05016.61
5.4.10.0100.04716.25
5.4.00.0030.05715.89
5.3.290.0100.05314.69
5.3.280.0070.05314.70
5.3.270.0170.05314.75
5.3.260.0100.05714.50
5.3.250.0070.05314.71
5.3.240.0130.05014.61
5.3.230.0070.05314.44
5.3.220.0070.05314.63
5.3.210.0070.05714.57
5.3.200.0100.05014.57
5.3.190.0030.06014.46
5.3.180.0070.05314.57
5.3.170.0130.04714.51
5.3.160.0100.05014.61
5.3.150.0170.04314.47
5.3.140.0030.06014.40
5.3.130.0130.05014.52
5.3.120.0130.05014.60
5.3.110.0130.05014.45
5.3.100.0130.05314.09
5.3.90.0000.05713.97
5.3.80.0130.04713.97
5.3.70.0170.04014.02
5.3.60.0130.04313.96
5.3.50.0100.05013.87
5.3.40.0130.04313.87
5.3.30.0130.04713.98
5.3.20.0170.04013.59
5.3.10.0130.04313.75
5.3.00.0130.04713.62
5.2.170.0070.05711.11
5.2.160.0130.03711.21
5.2.150.0070.04311.07
5.2.140.0100.03711.13
5.2.130.0030.04011.08
5.2.120.0130.03311.17
5.2.110.0170.04011.00
5.2.100.0130.03311.06
5.2.90.0200.03711.05
5.2.80.0100.04011.07
5.2.70.0070.04311.07
5.2.60.0100.03710.95
5.2.50.0130.03311.16
5.2.40.0030.05011.05
5.2.30.0070.04310.93
5.2.20.0070.03710.88
5.2.10.0070.04010.77
5.2.00.0070.04010.87
5.1.60.0200.0279.90
5.1.50.0030.0379.92
5.1.40.0070.0339.89
5.1.30.0030.05010.31
5.1.20.0000.04010.25
5.1.10.0070.0339.96
5.1.00.0030.0379.97
5.0.50.0030.0308.45
5.0.40.0000.0338.49
5.0.30.0070.0408.15
5.0.20.0030.0278.34
5.0.10.0070.0238.32
5.0.00.0030.0408.04
4.4.90.0000.0235.87
4.4.80.0000.0235.73
4.4.70.0000.0275.75
4.4.60.0000.0235.73
4.4.50.0070.0175.91
4.4.40.0030.0335.83
4.4.30.0000.0275.76
4.4.20.0070.0175.86
4.4.10.0100.0135.89
4.4.00.0030.0335.80
4.3.110.0030.0235.70
4.3.100.0000.0235.69
4.3.90.0000.0235.64
4.3.80.0070.0375.75
4.3.70.0030.0235.78
4.3.60.0030.0205.81
4.3.50.0100.0135.75
4.3.40.0100.0275.79
4.3.30.0000.0234.56
4.3.20.0000.0234.48
4.3.10.0000.0234.42
4.3.00.0100.01015.37

preferences:
66.25 ms | 401 KiB | 5 Q