3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(json_decode("", true, 512, 0)); var_dump(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)
8.3.60.0120.00318.43
8.3.50.0080.01322.05
8.3.40.0200.00018.59
8.3.30.0070.00718.63
8.3.20.0000.00720.08
8.3.10.0080.00020.40
8.3.00.0040.00421.73
8.2.180.0100.00718.41
8.2.170.0140.00722.96
8.2.160.0100.00322.13
8.2.150.0050.00324.18
8.2.140.0050.00324.66
8.2.130.0080.00020.99
8.2.120.0020.00526.35
8.2.110.0030.00621.11
8.2.100.0080.00417.80
8.2.90.0060.00319.09
8.2.80.0000.00817.97
8.2.70.0040.00417.50
8.2.60.0080.00017.91
8.2.50.0080.00018.09
8.2.40.0080.00020.25
8.2.30.0030.00619.17
8.2.20.0030.00617.68
8.2.10.0000.00717.97
8.2.00.0040.00417.91
8.1.280.0150.00025.92
8.1.270.0060.00322.11
8.1.260.0080.00028.09
8.1.250.0000.00728.09
8.1.240.0070.00318.96
8.1.230.0000.01117.64
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0070.00317.22
8.1.190.0040.00417.10
8.1.180.0080.00018.10
8.1.170.0030.00718.50
8.1.160.0000.00720.63
8.1.150.0000.00718.70
8.1.140.0040.00419.43
8.1.130.0030.00317.56
8.1.120.0000.00717.28
8.1.110.0070.00017.36
8.1.100.0000.00717.23
8.1.90.0040.00417.38
8.1.80.0040.00417.27
8.1.70.0080.00017.37
8.1.60.0090.00017.47
8.1.50.0060.00317.41
8.1.40.0030.00517.36
8.1.30.0000.00917.49
8.1.20.0060.00317.27
8.1.10.0040.00417.26
8.1.00.0040.00417.32
8.0.300.0070.00018.77
8.0.290.0070.00016.58
8.0.280.0030.00318.29
8.0.270.0000.00817.16
8.0.260.0030.00317.16
8.0.250.0070.00016.77
8.0.240.0000.00616.84
8.0.230.0050.00216.85
8.0.220.0080.00016.69
8.0.210.0000.00916.79
8.0.200.0030.00316.79
8.0.190.0000.00816.81
8.0.180.0000.00716.79
8.0.170.0000.00816.75
8.0.160.0040.00416.80
8.0.150.0000.00716.79
8.0.140.0040.00716.72
8.0.130.0000.00613.17
8.0.120.0000.00816.72
8.0.110.0000.00716.75
8.0.100.0040.00416.76
8.0.90.0000.00716.62
8.0.80.0060.01216.71
8.0.70.0030.00316.73
8.0.60.0000.00716.70
8.0.50.0070.00016.56
8.0.30.0150.00316.97
8.0.20.0090.01117.40
8.0.10.0080.00016.66
8.0.00.0080.01016.58
7.4.330.0050.00016.71
7.4.320.0030.00316.41
7.4.300.0030.00316.40
7.4.290.0000.00716.34
7.4.280.0040.00416.25
7.4.270.0070.00016.37
7.4.260.0080.00016.29
7.4.250.0000.01016.31
7.4.240.0030.00316.50
7.4.230.0070.00016.35
7.4.220.0090.01516.36
7.4.210.0050.00816.39
7.4.200.0070.00016.24
7.4.160.0070.00716.23
7.4.150.0160.00617.40
7.4.140.0140.00817.86
7.4.130.0070.00916.23
7.4.120.0060.01216.29
7.4.110.0100.01316.18
7.4.100.0090.00916.49
7.4.90.0030.01416.54
7.4.80.0100.00719.39
7.4.70.0100.00616.32
7.4.60.0100.00616.25
7.4.50.0070.01116.57
7.4.40.0090.00916.39
7.4.30.0070.01016.56
7.4.00.0060.00614.61
7.3.330.0060.00013.03
7.3.320.0060.00012.86
7.3.310.0030.00316.16
7.3.300.0030.00316.16
7.3.290.0070.00816.20
7.3.280.0090.00716.10
7.3.270.0100.00717.40
7.3.260.0070.01216.20
7.3.250.0120.00516.35
7.3.240.0160.00316.20
7.3.230.0120.00616.39
7.3.210.0060.01116.36
7.3.200.0070.01016.17
7.3.190.0090.00616.08
7.3.180.0100.01016.07
7.3.170.0060.01716.11
7.3.160.0080.00816.25
7.3.120.0070.00714.61
7.3.110.0040.00414.93
7.3.100.0040.01114.56
7.3.90.0070.00714.35
7.3.80.0090.00614.79
7.3.70.0070.00414.37
7.3.60.0030.00714.56
7.3.50.0040.00814.70
7.3.40.0040.00814.54
7.3.30.0030.00714.71
7.3.20.0070.00416.50
7.3.10.0030.01016.34
7.3.00.0070.00716.45
7.2.330.0110.00816.26
7.2.320.0110.00716.20
7.2.310.0150.00416.21
7.2.300.0050.01116.46
7.2.290.0080.00816.48
7.2.240.0060.00615.06
7.2.230.0070.00714.96
7.2.220.0080.00314.73
7.2.210.0030.01314.83
7.2.200.0070.01014.74
7.2.190.0090.00914.70
7.2.180.0060.01014.62
7.2.170.0140.00314.93
7.2.160.0030.01314.84
7.2.150.0110.00616.59
7.2.140.0030.01316.88
7.2.130.0100.00616.63
7.2.120.0090.00616.48
7.2.110.0000.01116.66
7.2.100.0070.00716.42
7.2.90.0030.01016.71
7.2.80.0000.01416.88
7.2.70.0070.01016.58
7.2.60.0030.01016.74
7.2.50.0040.01116.74
7.2.40.0040.01416.29
7.2.30.0070.01016.79
7.2.20.0040.01116.71
7.2.10.0090.00616.29
7.2.00.0040.00818.03
7.1.330.0000.01215.55
7.1.320.0080.00815.79
7.1.310.0060.01015.57
7.1.300.0040.01415.69
7.1.290.0040.01115.48
7.1.280.0070.00715.66
7.1.270.0060.01015.57
7.1.260.0110.00315.60
7.1.250.0120.00315.86
7.1.200.0080.00415.44
7.1.100.0030.01017.89
7.1.70.0050.00316.75
7.1.60.0100.01319.24
7.1.50.0100.01316.78
7.1.00.0030.08722.30
7.0.200.0270.00314.30
7.0.60.0230.04719.90
7.0.50.0130.06017.78
7.0.40.0030.05719.98
7.0.30.0470.07320.04
7.0.20.0230.05020.30
7.0.10.0070.08720.09
7.0.00.0100.05020.00
5.6.210.0030.08320.76
5.6.200.0000.09318.15
5.6.190.0070.08320.57
5.6.180.0200.06720.56
5.6.170.0400.05020.33
5.6.160.0130.05020.54
5.6.150.0030.04018.15
5.6.140.0030.04018.05
5.6.130.0200.07318.14
5.6.120.0030.04321.09
5.6.110.0000.04720.97
5.6.100.0030.08720.98
5.6.90.0130.05020.96
5.6.80.0070.06320.52
5.5.350.0400.06320.43
5.5.340.0170.07317.91
5.5.330.0030.04720.41
5.5.320.0630.04720.27
5.5.310.0330.06720.12
5.5.300.0100.03318.02
5.5.290.0100.06718.02
5.5.280.0070.04020.96
5.5.270.0100.06320.83
5.5.260.0130.07720.83
5.5.250.0070.05020.79
5.5.240.0170.06720.22

preferences:
63.89 ms | 401 KiB | 5 Q