3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo json_encode(json_decode('{"a":1}', 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)
8.5.30.0120.00519.00
8.5.20.0070.01019.52
8.5.10.0120.00516.70
8.5.00.0100.01119.96
8.4.180.0150.00719.56
8.4.170.0110.00921.92
8.4.160.0060.00423.85
8.4.150.0070.00616.90
8.4.140.0160.00517.48
8.4.130.0120.00917.64
8.4.120.0120.00720.46
8.4.110.0110.01018.86
8.4.100.0160.00517.38
8.4.90.0130.00717.46
8.4.80.0130.00817.58
8.4.70.0090.01117.70
8.4.60.0140.00520.58
8.4.50.0130.00822.34
8.4.40.0060.00317.35
8.4.30.0130.00619.09
8.4.20.0100.01019.46
8.4.10.0070.01317.57
8.3.300.0100.01120.41
8.3.290.0060.00320.72
8.3.280.0070.00516.11
8.3.270.0050.00316.52
8.3.260.0120.00816.41
8.3.250.0120.00718.81
8.3.240.0110.00816.64
8.3.230.0090.00216.43
8.3.220.0040.00419.11
8.3.210.0100.00516.63
8.3.200.0040.00516.45
8.3.190.0120.00716.81
8.3.180.0100.00516.41
8.3.170.0090.00916.99
8.3.160.0100.00718.64
8.3.150.0060.01318.49
8.3.140.0070.00416.88
8.3.130.0080.00018.10
8.3.120.0040.01520.68
8.3.110.0030.00520.94
8.3.100.0030.00724.06
8.3.90.0080.00026.77
8.3.80.0030.00618.18
8.3.70.0130.00316.38
8.3.60.0150.00418.31
8.3.50.0070.00918.07
8.3.40.0110.00318.62
8.3.30.0140.00018.54
8.3.20.0000.00721.73
8.3.10.0040.00421.70
8.3.00.0080.00023.52
8.2.300.0110.01018.04
8.2.290.0150.00418.88
8.2.280.0050.00318.37
8.2.270.0090.00916.99
8.2.260.0070.01116.68
8.2.250.0030.01516.48
8.2.240.0090.00618.60
8.2.230.0160.00322.58
8.2.220.0000.00837.54
8.2.210.0040.00426.77
8.2.200.0060.00318.04
8.2.190.0070.01016.63
8.2.180.0110.00418.04
8.2.170.0160.00722.96
8.2.160.0070.00720.11
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0080.00021.05
8.2.120.0050.00326.35
8.2.110.0050.00520.91
8.2.100.0110.00017.59
8.2.90.0000.00818.85
8.2.80.0060.00317.97
8.2.70.0000.00817.93
8.2.60.0000.00817.91
8.2.50.0030.00518.10
8.2.40.0030.00519.09
8.2.30.0080.00020.91
8.2.20.0040.00418.05
8.2.10.0040.00417.98
8.2.00.0000.00819.12
8.1.340.0120.00817.48
8.1.330.0100.00916.25
8.1.320.0120.00615.88
8.1.310.0030.00518.09
8.1.300.0060.00317.77
8.1.290.0000.01030.84
8.1.280.0070.01425.92
8.1.270.0000.00722.13
8.1.260.0050.00226.35
8.1.250.0030.00628.09
8.1.240.0000.01019.54
8.1.230.0080.00317.70
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0040.00417.22
8.1.190.0030.00517.13
8.1.180.0000.00818.10
8.1.170.0040.00418.37
8.1.160.0000.00718.63
8.1.150.0080.00320.69
8.1.140.0030.00519.37
8.1.130.0030.00318.96
8.1.120.0000.00817.35
8.1.110.0000.00817.21
8.1.100.0040.00317.34
8.1.90.0030.00517.23
8.1.80.0080.00017.34
8.1.70.0040.00417.25
8.1.60.0070.00317.46
8.1.50.0000.00717.34
8.1.40.0000.00717.43
8.1.30.0040.00417.36
8.1.20.0040.00417.45
8.1.10.0040.00417.35
8.1.00.0040.00417.39
8.0.300.0040.00418.77
8.0.290.0050.00316.75
8.0.280.0030.00518.44
8.0.270.0030.00317.11
8.0.260.0060.00017.24
8.0.250.0000.00716.82
8.0.240.0000.00816.93
8.0.230.0030.00316.82
8.0.220.0000.00716.70
8.0.210.0030.00316.72
8.0.200.0050.00316.72
8.0.190.0070.00016.84
8.0.180.0000.00716.76
8.0.170.0080.00016.70
8.0.160.0040.00416.86
8.0.150.0070.00016.78
8.0.140.0000.00716.76
8.0.130.0060.00013.18
8.0.120.0040.00416.63
8.0.110.0000.00716.58
8.0.100.0000.00716.61
8.0.90.0070.00016.64
8.0.80.0070.00716.73
8.0.70.0070.00016.70
8.0.60.0000.00716.82
8.0.50.0040.00416.59
8.0.30.0110.00716.99
8.0.20.0110.00817.40
8.0.10.0000.00716.76
8.0.00.0030.01416.60
7.4.330.0000.00616.67
7.4.320.0000.00616.45
7.4.300.0030.00316.47
7.4.290.0030.00316.47
7.4.280.0000.00816.36
7.4.270.0050.00516.23
7.4.260.0080.00016.38
7.4.250.0030.00516.23
7.4.240.0040.00416.37
7.4.230.0030.00316.28
7.4.220.0040.00416.54
7.4.210.0030.01216.50
7.4.200.0000.00816.23
7.4.160.0060.01116.36
7.4.140.0090.00817.86
7.4.130.0100.00716.42
7.4.120.0100.00816.41
7.4.110.0120.00616.32
7.4.100.0070.01016.29
7.4.90.0110.01116.30
7.4.80.0090.01119.39
7.4.70.0110.00616.50
7.4.60.0080.00816.32
7.4.50.0080.00816.28
7.4.40.0060.01116.23
7.4.10.0030.01414.47
7.4.00.0060.01014.96
7.3.330.0020.00212.93
7.3.320.0060.00012.99
7.3.310.0000.00716.27
7.3.300.0000.00616.10
7.3.290.0000.00716.18
7.3.280.0140.00216.13
7.3.260.0110.01316.33
7.3.240.0100.00816.24
7.3.230.0090.00916.13
7.3.210.0230.00316.36
7.3.200.0090.00616.41
7.3.190.0100.00516.00
7.3.180.0030.01716.64
7.3.170.0000.01516.18
7.3.160.0120.00416.33
7.3.130.0070.00714.45
7.3.120.0090.00814.67
7.3.110.0050.01114.64
7.3.100.0080.00514.73
7.3.90.0050.00914.74
7.3.80.0070.00514.56
7.3.70.0050.01114.57
7.3.60.0080.00614.78
7.3.50.0110.00414.51
7.3.40.0040.00714.52
7.3.30.0040.01314.55
7.3.20.0000.00916.40
7.3.10.0260.00715.89
7.3.00.0220.00615.95
7.2.330.0130.01016.57
7.2.320.0070.01416.32
7.2.310.0090.01516.59
7.2.300.0090.00916.58
7.2.290.0120.01216.30
7.2.260.0000.01614.46
7.2.250.0050.01115.04
7.2.240.0060.00914.91
7.2.230.0070.00715.11
7.2.220.0100.00814.96
7.2.210.0050.00914.77
7.2.200.0030.00814.90
7.2.190.0060.01014.73
7.2.180.0060.00914.83
7.2.170.0070.00714.72
7.2.160.0040.01114.80
7.2.150.0100.00716.63
7.2.140.0070.00716.85
7.2.130.0290.00816.20
7.2.120.0350.00516.05
7.2.110.0220.01416.08
7.2.100.0320.00616.25
7.2.90.0300.00516.08
7.2.80.0290.00816.19
7.2.70.0430.00616.14
7.2.60.0300.00716.12
7.2.50.0410.00716.08
7.2.40.1610.00916.91
7.2.30.1060.01016.70
7.2.20.1250.00816.78
7.2.10.0950.00916.67
7.2.00.1280.00716.75
7.1.330.0070.00615.78
7.1.320.0040.01115.62
7.1.310.0050.01115.45
7.1.300.0050.01015.55
7.1.290.0060.00615.58
7.1.280.0040.01015.54
7.1.270.0090.00315.68
7.1.260.0040.01015.35
7.1.250.0340.00614.95
7.1.240.0410.00514.57
7.1.230.0610.01014.48
7.1.220.0660.00814.51
7.1.210.0600.00714.54
7.1.200.0350.00915.03
7.1.190.0720.00514.40
7.1.180.0460.00514.62
7.1.170.0760.00814.63
7.1.160.1720.00815.65
7.1.150.1200.00715.49
7.1.140.1460.00915.46
7.1.130.1590.00815.58
7.1.120.1370.01015.56
7.1.110.1260.00715.33
7.1.100.1350.00715.15
7.1.90.1420.00715.38
7.1.80.1400.00515.20
7.1.70.1300.00514.90
7.1.60.1320.01123.99
7.1.50.1460.01123.82
7.1.40.1680.01023.60
7.1.30.1700.00823.58
7.1.20.1650.01123.71
7.1.10.1440.00914.60
7.1.00.1050.01014.63
7.0.330.0780.00312.98
5.6.380.0030.00813.71

preferences:
46.33 ms | 1613 KiB | 5 Q