3v4l.org

run code in 300+ PHP versions simultaneously
<?php $someJson = '{"":""}'; $myObject = json_decode($someJson); $newJson = json_encode($myObject); var_dump($someJson, $newJson, $someJson === $newJson); $myObject = (object)[""=>""]; $serialized = serialize($myObject); var_dump($myObject, $serialized); $unserialized = unserialize($serialized); var_dump($unserialized);

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)
8.5.10.0110.00620.25
8.5.00.0100.01120.21
8.4.160.0160.00520.54
8.4.150.0020.00014.05
8.4.140.0100.01117.84
8.4.130.0170.00518.64
8.4.120.0130.00618.51
8.4.110.0110.00818.75
8.4.100.0140.00717.52
8.4.90.0100.00420.32
8.4.80.0120.00719.00
8.4.70.0030.00519.09
8.4.60.0120.01020.48
8.4.50.0150.00517.74
8.4.40.0130.00617.82
8.4.30.0000.00917.64
8.4.20.0130.00717.69
8.4.10.0030.00617.76
8.3.290.0120.00920.78
8.3.280.0140.00619.95
8.3.270.0150.00416.62
8.3.260.0110.00816.51
8.3.250.0090.00718.56
8.3.240.0150.00416.67
8.3.230.0070.01216.35
8.3.220.0070.00218.77
8.3.210.0100.00816.76
8.3.200.0040.00516.52
8.3.190.0110.00817.16
8.3.180.0080.00618.46
8.3.170.0110.00416.84
8.3.160.0160.00318.96
8.3.150.0140.00417.32
8.3.140.0180.00018.88
8.3.130.0070.01118.62
8.3.120.0000.00920.66
8.3.110.0100.00716.50
8.3.100.0000.00816.41
8.3.90.0080.00026.77
8.3.80.0050.00516.75
8.3.70.0130.00316.58
8.3.60.0090.00618.33
8.3.50.0160.00321.92
8.3.40.0100.00618.61
8.3.30.0110.00418.71
8.3.20.0070.00020.21
8.3.10.0050.00320.74
8.3.00.0000.00721.85
8.2.300.0110.00820.34
8.2.290.0110.00617.10
8.2.280.0040.00418.26
8.2.270.0150.00416.84
8.2.260.0080.00016.54
8.2.250.0090.00616.48
8.2.240.0040.00416.97
8.2.230.0000.00820.94
8.2.220.0000.00824.06
8.2.210.0040.00426.77
8.2.200.0030.00618.41
8.2.190.0140.00716.63
8.2.180.0090.00625.92
8.2.170.0140.00719.04
8.2.160.0030.01022.96
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0080.00021.00
8.2.120.0000.00826.35
8.2.110.0040.00419.06
8.2.100.0120.00017.72
8.2.90.0080.00017.63
8.2.80.0050.00318.82
8.2.70.0030.00617.63
8.2.60.0060.00319.23
8.2.50.0060.00317.63
8.2.40.0000.00817.80
8.2.30.0000.00819.38
8.2.20.0040.00417.79
8.2.10.0000.00718.08
8.2.00.0000.00917.98
8.1.340.0100.01021.56
8.1.330.0110.00916.24
8.1.320.0080.01115.97
8.1.310.0110.00416.52
8.1.300.0040.00419.95
8.1.290.0060.00330.84
8.1.280.0100.01025.92
8.1.270.0080.00022.06
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0060.00323.92
8.1.230.0080.00320.65
8.1.220.0030.00617.75
8.1.210.0060.00318.77
8.1.200.0050.00317.13
8.1.190.0080.00017.13
8.1.180.0040.00418.10
8.1.170.0070.00017.62
8.1.160.0000.00720.75
8.1.150.0040.00420.61
8.1.140.0040.00419.45
8.1.130.0000.00717.64
8.1.120.0040.00417.39
8.1.110.0070.00017.30
8.1.100.0040.00417.41
8.1.90.0070.00017.29
8.1.80.0000.00717.48
8.1.70.0030.00617.29
8.1.60.0060.00317.49
8.1.50.0030.00617.36
8.1.40.0050.00317.43
8.1.30.0000.00917.62
8.1.20.0040.00417.48
8.1.10.0080.00017.52
8.1.00.0050.00317.41
8.0.300.0040.00418.77
8.0.290.0030.00516.73
8.0.280.0040.00418.38
8.0.270.0000.00716.73
8.0.260.0090.00017.16
8.0.250.0030.00316.96
8.0.240.0020.00516.85
8.0.230.0030.00316.89
8.0.220.0050.00316.89
8.0.210.0030.00316.89
8.0.200.0030.00316.91
8.0.190.0030.00616.96
8.0.180.0000.00716.89
8.0.170.0030.00616.93
8.0.160.0000.00816.89
8.0.150.0000.00916.74
8.0.140.0080.00416.86
8.0.130.0060.00013.28
8.0.120.0040.00416.77
8.0.110.0000.00816.87
8.0.100.0000.00716.75
8.0.90.0040.00416.84
8.0.80.0140.00016.87
8.0.70.0050.00316.75
8.0.60.0000.00816.92
8.0.50.0050.00316.71
8.0.30.0110.00717.17
8.0.20.0090.01217.40
8.0.10.0050.00216.88
8.0.00.0050.01216.68
7.4.330.0020.00216.79
7.4.320.0030.00316.48
7.4.300.0000.00616.50
7.4.290.0070.00016.61
7.4.280.0040.00416.57
7.4.270.0070.00016.50
7.4.260.0040.00416.57
7.4.250.0080.00016.47
7.4.240.0070.00016.65
7.4.230.0070.00016.63
7.4.220.0060.01216.66
7.4.210.0110.00316.53
7.4.200.0050.00516.34
7.4.160.0160.00616.61
7.4.150.0120.00717.40
7.4.140.0120.01017.86
7.4.130.0100.01116.46
7.4.120.0110.00916.42
7.4.110.0110.00616.30
7.4.100.0110.01116.48
7.4.90.0150.00616.34
7.4.80.0140.00816.35
7.4.70.0110.00916.47
7.4.60.0140.00916.38
7.4.50.0100.01216.31
7.4.40.0120.00816.36
7.4.30.0100.01316.30
7.4.20.0130.00716.42
7.4.10.0100.01116.51
7.4.00.0050.01216.14
7.3.330.0000.00513.14
7.3.320.0000.00513.07
7.3.310.0030.00316.36
7.3.300.0020.00516.12
7.3.290.0100.00816.27
7.3.280.0110.00616.27
7.3.270.0060.01217.40
7.3.260.0030.01316.30
7.3.250.0120.00816.28
7.3.240.0130.00916.44
7.3.230.0130.00916.40
7.3.220.0110.01416.22
7.3.210.0130.00816.54
7.3.200.0130.00816.19
7.3.190.0150.00616.18
7.3.180.0110.00916.43
7.3.170.0150.00516.30
7.3.160.0110.01016.40
7.3.150.0090.01216.32
7.3.140.0050.01316.34
7.3.130.0090.01016.32
7.3.120.0080.01316.32
7.3.110.0150.00616.30
7.3.100.0120.00916.21
7.3.90.0090.01016.29
7.3.80.0120.00816.29
7.3.70.0100.01216.25
7.3.60.0100.01016.34
7.3.50.0140.00916.25
7.3.40.0130.00816.24
7.3.30.0120.00816.22
7.3.20.0110.01216.21
7.3.10.0120.00916.31
7.3.00.0140.00716.30
7.2.340.0170.01016.22
7.2.330.0190.00516.55
7.2.320.0140.01016.55
7.2.310.0110.01016.57
7.2.300.0060.01316.62
7.2.290.0130.00916.50
7.2.280.0080.01316.40
7.2.270.0070.01016.45
7.2.260.0120.00716.49
7.2.250.0110.01116.37
7.2.240.0080.01316.40
7.2.230.0130.00816.58
7.2.220.0070.01116.54
7.2.210.0070.01416.48
7.2.200.0080.01216.52
7.2.190.0100.00816.46
7.2.180.0150.00816.48
7.2.170.0090.01116.54
7.2.160.0140.00616.47
7.2.150.0110.01116.54
7.2.140.0130.01016.62
7.2.130.0070.01216.57
7.2.120.0080.00916.50
7.2.110.0120.01116.55
7.2.100.0130.00716.60
7.2.90.0110.01016.58
7.2.80.0100.01216.59
7.2.70.0090.01116.61
7.2.60.0130.00816.65
7.2.50.0110.01216.60
7.2.40.0070.01316.57
7.2.30.0060.01116.46
7.2.20.0100.01116.61
7.2.10.0080.01016.45
7.2.00.0110.00916.91
7.1.330.0180.01015.44
7.1.320.0160.00915.56
7.1.310.0100.01415.52
7.1.300.0120.01115.42
7.1.290.0170.00715.55
7.1.280.0150.01315.57
7.1.270.0160.00915.47
7.1.260.0180.00715.46
7.1.250.0100.01115.51
7.1.240.0120.00915.38
7.1.230.0140.00615.49
7.1.220.0140.01115.49
7.1.210.0100.01115.50
7.1.200.0140.01015.60
7.1.190.0130.01215.54
7.1.180.0130.01115.33
7.1.170.0170.00515.45
7.1.160.0250.01115.45
7.1.150.0170.00415.46
7.1.140.0150.00615.41
7.1.130.0130.00615.36
7.1.120.0140.00615.50
7.1.110.0140.00715.45
7.1.100.0130.00916.09
7.1.90.0140.00815.57
7.1.80.0130.01215.49
7.1.70.0140.00715.87
7.1.60.0090.01316.24
7.1.50.0150.00615.78
7.1.40.0160.01115.38
7.1.30.0150.00815.54
7.1.20.0120.01015.57
7.1.10.0120.00815.58
7.1.00.0110.02116.79
7.0.330.0230.00515.08
7.0.320.0150.00915.07
7.0.310.0190.00715.06
7.0.300.0170.00715.05
7.0.290.0140.00715.19
7.0.280.0170.00715.16
7.0.270.0140.01015.10
7.0.260.0150.00715.15
7.0.250.0140.00715.08
7.0.240.0140.01115.24
7.0.230.0160.00915.23
7.0.220.0160.00815.17
7.0.210.0280.00815.06
7.0.200.0160.00615.02
7.0.190.0200.00815.09
7.0.180.0160.00815.10
7.0.170.0160.00715.14
7.0.160.0160.00815.14
7.0.150.0160.00715.17
7.0.140.0190.00414.97
7.0.130.0160.00615.16
7.0.120.0150.00915.20
7.0.110.0130.01015.17
7.0.100.0160.00715.11
7.0.90.0190.01616.13
7.0.80.0200.01516.02
7.0.70.0200.02316.06
7.0.60.0260.01616.08
7.0.50.0220.01916.18
7.0.40.0190.01215.70
7.0.30.0100.01715.69
7.0.20.0110.01615.73
7.0.10.0130.01815.73
7.0.00.0110.01715.61
5.6.400.0140.01315.83
5.6.390.0190.01115.78
5.6.380.0160.01115.44
5.6.370.0130.01115.46
5.6.360.0150.00915.36
5.6.350.0130.00915.48
5.6.340.0130.01115.38
5.6.330.0150.01015.38
5.6.320.0150.01015.39
5.6.310.0130.01115.47
5.6.300.0150.01015.34
5.6.290.0120.01215.24
5.6.280.0150.02216.51
5.6.270.0140.01115.39
5.6.260.0150.01115.43
5.6.250.0130.01015.41
5.6.240.0110.02016.41
5.6.230.0130.01616.51
5.6.220.0110.02016.35
5.6.210.0140.01316.43
5.6.200.0150.01816.51
5.6.190.0110.01816.58
5.6.180.0120.02116.57
5.6.170.0120.01516.39
5.6.160.0140.01616.47
5.6.150.0110.01816.41
5.6.140.0140.01516.43
5.6.130.0130.02016.54
5.6.120.0120.02016.55
5.6.110.0150.01416.49
5.6.100.0130.02416.39
5.6.90.0130.02416.41
5.6.80.0130.02416.28
5.6.70.0140.02416.36
5.6.60.0140.02416.25
5.6.50.0120.02516.27
5.6.40.0150.02016.24
5.6.30.0130.01716.30
5.6.20.0120.02416.29
5.6.10.0130.02416.25
5.6.00.0160.02016.28
5.5.380.0150.01315.73
5.5.370.0160.02215.75
5.5.360.0160.01315.77
5.5.350.0110.01715.74
5.5.340.0100.01615.74
5.5.330.0100.01815.91
5.5.320.0140.01515.80
5.5.310.0130.01515.85
5.5.300.0150.01815.71
5.5.290.0110.01715.76
5.5.280.0130.02515.85
5.5.270.0130.01515.82
5.5.260.0140.01915.74
5.5.250.0100.02715.64
5.5.240.0110.02615.57
5.5.230.0130.01815.60
5.5.220.0100.02515.60
5.5.210.0120.02415.56
5.5.200.0120.02315.56
5.5.190.0130.02515.56
5.5.180.0110.02515.62
5.5.170.0130.01014.60
5.5.160.0100.02515.55
5.5.150.0090.02115.63
5.5.140.0150.01915.55
5.5.130.0150.01915.60
5.5.120.0140.01515.74
5.5.110.0110.02415.69
5.5.100.0130.02415.60
5.5.90.0110.02615.53
5.5.80.0130.02415.58
5.5.70.0150.01915.52
5.5.60.0160.02115.59
5.5.50.0150.02215.62
5.5.40.0090.02515.64
5.5.30.0120.01615.57
5.5.20.0150.01415.54
5.5.10.0120.01515.63
5.5.00.0150.02115.64

preferences:
117.08 ms | 403 KiB | 5 Q