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); $unserialized = unserialize($myObject); 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)
8.3.60.0040.01118.43
8.3.50.0100.00718.05
8.3.40.0130.00318.66
8.3.30.0120.00318.83
8.3.20.0040.00420.34
8.3.10.0090.00020.53
8.3.00.0030.00321.76
8.2.180.0120.00925.92
8.2.170.0080.00819.04
8.2.160.0150.00022.96
8.2.150.0000.00825.66
8.2.140.0050.00324.66
8.2.130.0050.00221.18
8.2.120.0040.00426.35
8.2.110.0040.00719.40
8.2.100.0040.00717.72
8.2.90.0030.00519.02
8.2.80.0000.00817.97
8.2.70.0060.00317.75
8.2.60.0090.00017.68
8.2.50.0000.00818.09
8.2.40.0040.00420.55
8.2.30.0080.00019.38
8.2.20.0030.00517.57
8.2.10.0000.00718.05
8.2.00.0030.00617.94
8.1.280.0100.00325.92
8.1.270.0040.00424.66
8.1.260.0050.00228.09
8.1.250.0080.00028.09
8.1.240.0090.00019.16
8.1.230.0080.00322.69
8.1.220.0030.00617.74
8.1.210.0030.00518.77
8.1.200.0110.00016.99
8.1.190.0080.00017.23
8.1.180.0000.00918.10
8.1.170.0060.00318.58
8.1.160.0040.00420.75
8.1.150.0030.00518.87
8.1.140.0000.00819.52
8.1.130.0020.00517.63
8.1.120.0050.00217.43
8.1.110.0000.00817.36
8.1.100.0060.00317.47
8.1.90.0040.00417.30
8.1.80.0000.00717.41
8.1.70.0040.00417.43
8.1.60.0040.00417.51
8.1.50.0000.00817.46
8.1.40.0070.00017.50
8.1.30.0030.00517.63
8.1.20.0000.00917.49
8.1.10.0060.00317.59
8.1.00.0030.00617.49
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0000.00818.44
8.0.270.0000.00717.20
8.0.260.0040.00417.09
8.0.250.0040.00416.92
8.0.240.0080.00016.94
8.0.230.0030.00316.83
8.0.220.0040.00416.91
8.0.210.0030.00516.79
8.0.200.0000.00716.96
8.0.190.0040.00416.94
8.0.180.0040.00416.92
8.0.170.0030.00516.97
8.0.160.0040.00416.78
8.0.150.0040.00416.91
8.0.140.0000.00916.83
8.0.130.0000.00513.20
8.0.120.0000.00816.77
8.0.110.0000.00716.89
8.0.100.0070.00016.79
8.0.90.0000.00916.91
8.0.80.0040.01116.92
8.0.70.0000.00816.79
8.0.60.0070.00016.91
8.0.50.0000.00716.73
8.0.30.0110.00517.03
8.0.20.0160.00317.40
8.0.10.0040.00417.07
8.0.00.0080.00916.78
7.4.330.0020.00216.77
7.4.320.0030.00316.58
7.4.300.0030.00316.59
7.4.290.0070.00016.48
7.4.280.0050.00216.34
7.4.270.0070.00016.59
7.4.260.0040.00716.50
7.4.250.0040.00416.47
7.4.240.0040.00416.43
7.4.230.0040.00416.60
7.4.220.0100.01016.57
7.4.210.0040.01116.56
7.4.200.0080.00016.69
7.4.160.0120.00916.47
7.4.150.0060.01217.40
7.4.140.0180.01017.86
7.4.130.0150.00716.53
7.4.120.0080.01016.37
7.4.110.0040.01416.63
7.4.100.0090.01216.63
7.4.90.0130.00416.45
7.4.80.0120.01119.39
7.4.70.0120.00616.60
7.4.60.0080.00816.45
7.4.50.0000.01416.55
7.4.40.0140.00716.39
7.4.30.0120.00916.46
7.4.00.0070.00514.93
7.3.330.0050.00013.07
7.3.320.0030.00313.14
7.3.310.0000.00716.09
7.3.300.0030.00316.20
7.3.290.0050.01116.22
7.3.280.0040.01416.32
7.3.270.0040.01217.40
7.3.260.0030.01416.52
7.3.250.0110.00716.40
7.3.240.0120.00816.37
7.3.230.0120.00916.41
7.3.210.0120.00916.34
7.3.200.0060.00916.27
7.3.190.0060.00916.13
7.3.180.0110.00816.33
7.3.170.0120.00416.28
7.3.160.0000.01616.49
7.3.120.0110.00714.57
7.3.110.0030.01014.97
7.3.100.0040.01114.67
7.3.90.0120.00014.76
7.3.80.0000.01114.82
7.3.70.0040.00814.76
7.3.60.0000.01514.54
7.3.50.0040.00714.67
7.3.40.0070.00614.48
7.3.30.0060.00914.83
7.3.20.0000.01816.82
7.3.10.0030.00716.78
7.3.00.0040.00716.21
7.2.330.0140.00916.51
7.2.320.0130.01316.42
7.2.310.0090.00916.65
7.2.300.0160.00516.42
7.2.290.0000.01616.63
7.2.250.0090.00314.88
7.2.240.0150.00314.82
7.2.230.0000.00914.91
7.2.220.0040.01115.00
7.2.210.0040.01414.90
7.2.200.0000.01414.75
7.2.190.0100.00615.06
7.2.180.0130.00314.90
7.2.170.0060.00914.95
7.2.60.0000.01716.85
7.2.00.0030.00919.25
7.1.330.0090.00315.80
7.1.320.0090.00915.64
7.1.310.0100.00315.71
7.1.300.0000.01115.74
7.1.290.0030.01015.70
7.1.280.0060.00615.60
7.1.270.0030.00715.74
7.1.260.0030.00615.80
7.1.200.0090.00615.73
7.1.100.0140.00317.92
7.1.70.0000.00917.13
7.1.60.0100.01319.19
7.1.50.0060.01616.58
7.1.00.0000.08022.36
7.0.200.0190.00014.78
7.0.90.0570.08719.85
7.0.80.0630.08019.90
7.0.70.0530.05719.95
7.0.60.0600.08019.93
7.0.50.0600.08320.24
7.0.40.0070.08020.07
7.0.30.0100.06720.17
7.0.20.0100.08020.14
7.0.10.0070.07320.18
7.0.00.0100.05320.04
5.6.280.0000.07721.02
5.6.240.0170.07020.60
5.6.230.0070.09020.49
5.6.220.0100.08320.70
5.6.210.0070.06320.55
5.6.200.0070.08021.00
5.6.190.0000.05721.05
5.6.180.0070.07721.03
5.6.170.0200.05721.04
5.6.160.0130.06321.03
5.6.150.0070.04721.11
5.6.140.0100.07321.02
5.6.130.0200.07321.09
5.6.120.0100.08021.09
5.6.110.0030.08721.03
5.6.100.0130.08321.06
5.6.90.0070.07720.93
5.6.80.0030.04720.46
5.6.70.0130.07020.38
5.6.60.0030.06320.30
5.6.50.0030.08720.46
5.6.40.0100.07320.35
5.6.30.0200.07320.40
5.6.20.0030.07320.43
5.6.10.0100.07020.43
5.6.00.0100.07320.38
5.5.380.0030.08320.36
5.5.370.0100.06320.54
5.5.360.0100.08020.50
5.5.350.0100.07720.36
5.5.340.0200.06720.89
5.5.330.0100.08020.79
5.5.320.0070.08720.77
5.5.310.0100.07020.88
5.5.300.0070.08720.88
5.5.290.0100.05020.89
5.5.280.0070.07020.79
5.5.270.0100.08320.91
5.5.260.0030.08020.85
5.5.250.0100.07720.69
5.5.240.0100.07020.29
5.5.230.0070.05320.13
5.5.220.0100.04720.12
5.5.210.0100.07720.14
5.5.200.0130.07720.26
5.5.190.0070.07720.20
5.5.180.0030.07020.16
5.5.160.0100.07320.24
5.5.150.0070.05720.26
5.5.140.0170.07320.23
5.5.130.0030.08320.25
5.5.120.0030.07720.23
5.5.110.0100.07320.23
5.5.100.0070.08019.94
5.5.90.0130.07320.06
5.5.80.0130.07019.93
5.5.70.0070.06020.13
5.5.60.0130.07020.14
5.5.50.0070.08020.07
5.5.40.0070.07320.04
5.5.30.0200.06720.14
5.5.20.0070.08320.12
5.5.10.0170.07020.11
5.5.00.0000.08719.95

preferences:
41.94 ms | 400 KiB | 5 Q