3v4l.org

run code in 300+ PHP versions simultaneously
<?php $someJson = '{"":""}'; var_dump($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)
8.3.40.0090.00618.98
8.3.30.0070.00718.68
8.3.20.0070.00020.16
8.3.10.0040.00420.66
8.3.00.0050.00221.87
8.2.170.0070.01122.96
8.2.160.0000.01422.31
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0050.00318.68
8.2.110.0000.00920.98
8.2.100.0030.00917.93
8.2.90.0050.00319.17
8.2.80.0050.00317.97
8.2.70.0090.00017.63
8.2.60.0060.00318.05
8.2.50.0000.00818.09
8.2.40.0030.00620.59
8.2.30.0040.00419.31
8.2.20.0070.00017.75
8.2.10.0040.00417.94
8.2.00.0040.00418.07
8.1.270.0000.00822.05
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0040.00422.51
8.1.230.0050.00517.77
8.1.220.0030.00517.74
8.1.210.0030.00618.77
8.1.200.0030.00617.22
8.1.190.0050.00317.11
8.1.180.0000.00718.10
8.1.170.0080.00018.59
8.1.160.0040.00420.81
8.1.150.0000.00818.84
8.1.140.0040.00419.54
8.1.130.0030.00517.68
8.1.120.0030.00317.30
8.1.110.0000.00717.44
8.1.100.0040.00417.48
8.1.90.0000.00717.45
8.1.80.0050.00217.47
8.1.70.0000.00717.37
8.1.60.0040.00417.52
8.1.50.0030.00617.54
8.1.40.0040.00417.53
8.1.30.0000.00817.66
8.1.20.0040.00417.52
8.1.10.0080.00017.60
8.1.00.0080.00017.50
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0030.00318.43
8.0.270.0000.00717.20
8.0.260.0040.00717.29
8.0.250.0000.00616.99
8.0.240.0040.00416.86
8.0.230.0000.00716.96
8.0.220.0070.00016.91
8.0.210.0030.00316.89
8.0.200.0030.00316.95
8.0.190.0040.00416.86
8.0.180.0000.00716.97
8.0.170.0000.00816.93
8.0.160.0000.00816.82
8.0.150.0000.00716.88
8.0.140.0060.00616.83
8.0.130.0030.00313.29
8.0.120.0060.00316.86
8.0.110.0000.00716.95
8.0.100.0000.00816.77
8.0.90.0040.00416.94
8.0.80.0090.00616.96
8.0.70.0040.00416.96
8.0.60.0050.00216.89
8.0.50.0000.00716.68
8.0.30.0160.00317.09
8.0.20.0110.00817.41
8.0.10.0000.00716.94
8.0.00.0120.00516.90
7.4.330.0000.00616.64
7.4.320.0000.00716.43
7.4.300.0040.00416.51
7.4.290.0070.00016.50
7.4.280.0080.00016.41
7.4.270.0000.00716.64
7.4.260.0040.00416.64
7.4.250.0030.00316.37
7.4.240.0000.00716.38
7.4.230.0070.00016.51
7.4.220.0160.00316.59
7.4.210.0040.01116.68
7.4.200.0060.00316.63
7.4.160.0030.01316.36
7.4.150.0140.00417.40
7.4.140.0080.01217.86
7.4.130.0070.01016.47
7.4.120.0060.01116.55
7.4.110.0130.00416.39
7.4.100.0160.00816.63
7.4.90.0030.01516.41
7.4.80.0100.00719.39
7.4.70.0110.00516.48
7.4.60.0060.01216.57
7.4.50.0110.00416.38
7.4.40.0030.01816.60
7.4.30.0170.00016.67
7.4.00.0040.01114.61
7.3.330.0020.00213.16
7.3.320.0000.00513.16
7.3.310.0030.00316.27
7.3.300.0030.00316.25
7.3.290.0080.01016.32
7.3.280.0110.00716.30
7.3.270.0090.00917.40
7.3.260.0030.01316.50
7.3.250.0100.01016.24
7.3.240.0060.01316.57
7.3.230.0070.01116.39
7.3.210.0100.01916.29
7.3.200.0130.00316.19
7.3.190.0150.00016.47
7.3.180.0060.01416.29
7.3.170.0000.01616.34
7.3.160.0170.00416.43
7.3.10.0000.01316.36
7.3.00.0030.00716.27
7.2.330.0100.01016.62
7.2.320.0150.01116.62
7.2.310.0130.00316.56
7.2.300.0100.00816.68
7.2.290.0080.00816.41
7.2.130.0070.01016.61
7.2.120.0030.00716.56
7.2.110.0070.00716.49
7.2.100.0060.00616.38
7.2.90.0000.01416.68
7.2.80.0120.00416.61
7.2.70.0030.00916.68
7.2.60.0070.00616.74
7.2.50.0040.00816.72
7.2.40.0030.01216.96
7.2.30.0120.00616.83
7.2.20.0000.01516.66
7.2.10.0060.00616.93
7.2.00.0070.00318.01
7.1.250.0030.00615.43
7.1.200.0080.00415.82
7.1.100.0060.00918.14
7.1.70.0070.00317.23
7.1.60.0100.01619.19
7.1.50.0070.01016.98
7.1.00.0070.07322.57
7.0.200.0480.00314.64
7.0.90.0500.03719.88
7.0.80.0370.03719.85
7.0.70.0500.07319.91
7.0.60.0400.06319.90
7.0.50.0730.07320.14
7.0.40.0130.07720.08
7.0.30.0130.08019.95
7.0.20.0170.06719.95
7.0.10.0070.06020.07
7.0.00.0070.04319.99
5.6.280.0070.04320.76
5.6.240.0130.06320.70
5.6.230.0070.04020.53
5.6.220.0130.03720.57
5.6.210.0130.07020.37
5.6.200.0130.07321.10
5.6.190.0070.08321.03
5.6.180.0170.06721.03
5.6.170.0070.05021.00
5.6.160.0070.08021.13
5.6.150.0100.06021.05
5.6.140.0000.08320.95
5.6.130.0100.08321.16
5.6.120.0130.04721.10
5.6.110.0100.06021.09
5.6.100.0030.06021.09
5.6.90.0170.07021.00
5.6.80.0100.06720.45
5.6.70.0100.06320.45
5.6.60.0070.08020.36
5.6.50.0130.07020.51
5.6.40.0070.08720.29
5.6.30.0100.07320.46
5.6.20.0030.06320.38
5.6.10.0030.08020.45
5.6.00.0130.04020.27
5.5.380.0200.06720.36
5.5.370.0030.06020.49
5.5.360.0100.04320.36
5.5.350.0030.04320.42
5.5.340.0100.07720.87
5.5.330.0270.06320.79
5.5.320.0070.08720.92
5.5.310.0000.09020.89
5.5.300.0170.07320.79
5.5.290.0070.08020.72
5.5.280.0100.07720.79
5.5.270.0100.06720.71
5.5.260.0130.07720.73
5.5.250.0100.05020.63
5.5.240.0100.05320.14
5.5.230.0070.07720.12
5.5.220.0030.07720.16
5.5.210.0130.07320.15
5.5.200.0100.07020.21
5.5.190.0100.08020.24
5.5.180.0100.08020.21
5.5.160.0230.06020.07
5.5.150.0100.05020.17
5.5.140.0070.04320.26
5.5.130.0130.04720.07
5.5.120.0130.07320.07
5.5.110.0070.08020.26
5.5.100.0000.08320.06
5.5.90.0030.04720.13
5.5.80.0070.06720.09
5.5.70.0100.06020.07
5.5.60.0030.05720.02
5.5.50.0030.04319.96
5.5.40.0130.05320.09
5.5.30.0070.07720.14
5.5.20.0070.05320.02
5.5.10.0100.07320.03
5.5.00.0130.07320.04

preferences:
72.24 ms | 400 KiB | 5 Q