3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arraydata = array('foo' => 3.0, 'bar' => 3.1); $jsondata = json_encode($arraydata); var_dump($arraydata); var_dump(json_encode($arraydata)); var_dump(json_encode($arraydata, JSON_PRESERVE_ZERO_FRACTION)); var_dump(json_decode($jsondata, 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)
8.3.60.0120.00916.24
8.3.50.0090.00616.13
8.3.40.0070.00718.64
8.3.30.0110.00418.46
8.3.20.0070.00020.18
8.3.10.0040.00423.71
8.3.00.0050.00323.63
8.2.180.0110.00316.38
8.2.170.0030.01022.96
8.2.160.0100.00720.52
8.2.150.0030.00524.18
8.2.140.0000.00824.66
8.2.130.0000.00821.00
8.2.120.0040.00426.35
8.2.110.0000.00921.11
8.2.100.0060.00617.90
8.2.90.0050.00319.22
8.2.80.0060.00317.97
8.2.70.0060.00317.38
8.2.60.0040.00417.79
8.2.50.0000.00818.09
8.2.40.0000.00822.20
8.2.30.0050.00219.27
8.2.20.0040.00417.58
8.2.10.0070.00018.08
8.2.00.0040.00418.07
8.1.280.0100.00625.92
8.1.270.0090.00922.23
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0060.00322.47
8.1.230.0040.00717.83
8.1.220.0080.00017.74
8.1.210.0030.00618.77
8.1.200.0060.00317.11
8.1.190.0000.00717.10
8.1.180.0060.00318.10
8.1.170.0060.00318.53
8.1.160.0000.00720.61
8.1.150.0040.00418.75
8.1.140.0040.00419.40
8.1.130.0000.01017.63
8.1.120.0000.00717.28
8.1.110.0000.00817.40
8.1.100.0000.00717.38
8.1.90.0050.00317.35
8.1.80.0000.00817.33
8.1.70.0000.00717.25
8.1.60.0070.00017.45
8.1.50.0000.00817.46
8.1.40.0030.00617.44
8.1.30.0030.00617.48
8.1.20.0030.00617.63
8.1.10.0000.00717.33
8.1.00.0050.00317.22
8.0.300.0030.00618.77
8.0.290.0040.00416.63
8.0.280.0000.00718.47
8.0.270.0070.00017.10
8.0.260.0000.00617.07
8.0.250.0030.00316.89
8.0.240.0080.00016.89
8.0.230.0040.00416.89
8.0.220.0070.00016.78
8.0.210.0030.00316.68
8.0.200.0030.00316.82
8.0.190.0060.00316.80
8.0.180.0040.00416.71
8.0.170.0080.00016.79
8.0.160.0030.00416.81
8.0.150.0090.00016.71
8.0.140.0000.00816.77
8.0.130.0030.00613.17
8.0.120.0040.00416.75
8.0.110.0040.00416.85
8.0.100.0040.00416.86
8.0.90.0030.00516.64
8.0.80.0040.01116.75
8.0.70.0030.00616.75
8.0.60.0000.00816.60
8.0.50.0000.00716.80
8.0.30.0060.01216.82
8.0.20.0120.01217.40
8.0.10.0040.00416.82
8.0.00.0070.01016.66
7.4.330.0030.00316.73
7.4.320.0030.00316.52
7.4.300.0040.00416.48
7.4.290.0030.00316.53
7.4.280.0070.00016.43
7.4.270.0000.00716.56
7.4.260.0000.00816.41
7.4.250.0070.00016.39
7.4.240.0000.00716.41
7.4.230.0070.00016.17
7.4.220.0080.01216.37
7.4.210.0120.00816.45
7.4.200.0030.00316.22
7.4.160.0150.00016.52
7.4.150.0170.00317.40
7.4.140.0100.01017.86
7.4.130.0080.01716.48
7.4.120.0060.01216.48
7.4.110.0160.00316.32
7.4.100.0100.00716.38
7.4.90.0100.00616.31
7.4.80.0120.01119.39
7.4.70.0100.01116.61
7.4.60.0090.00616.37
7.4.50.0030.01316.12
7.4.40.0100.00716.22
7.4.30.0060.01116.48
7.4.00.0040.01214.76
7.3.330.0000.00513.05
7.3.320.0000.00512.86
7.3.310.0000.00716.15
7.3.300.0000.00716.03
7.3.290.0070.00016.11
7.3.280.0090.00916.15
7.3.270.0110.00717.40
7.3.260.0090.00916.44
7.3.240.0040.01316.35
7.3.230.0030.01416.39
7.3.210.0030.01416.07
7.3.200.0100.00719.39
7.3.190.0000.01716.16
7.3.180.0120.00916.21
7.3.170.0100.01216.27
7.3.160.0160.00016.09
7.3.120.0070.01014.91
7.3.110.0070.01014.71
7.3.100.0120.00314.44
7.3.90.0100.00614.69
7.3.80.0060.00914.79
7.3.70.0030.00714.62
7.3.60.0030.01014.57
7.3.50.0120.00314.34
7.3.40.0080.00814.65
7.3.30.0070.00714.54
7.3.20.0070.01016.48
7.3.10.0060.01016.23
7.3.00.0060.00616.68
7.2.330.0100.00716.55
7.2.320.0040.01916.58
7.2.310.0150.00016.70
7.2.300.0100.00716.39
7.2.290.0060.01016.54
7.2.250.0070.01015.14
7.2.240.0070.01014.98
7.2.230.0000.01215.05
7.2.220.0090.00614.79
7.2.210.0000.01514.64
7.2.200.0060.00615.09
7.2.190.0060.00914.93
7.2.180.0000.01314.89
7.2.170.0030.00715.02
7.2.80.0100.00716.24
7.2.60.0090.00616.73
7.2.00.0000.01219.23
7.1.330.0070.00715.73
7.1.320.0070.00715.93
7.1.310.0030.01415.66
7.1.300.0120.00315.46
7.1.290.0100.00315.93
7.1.280.0040.00715.52
7.1.270.0040.00715.64
7.1.260.0030.00915.80
7.1.200.0050.00515.63
7.1.100.0000.01118.09
7.1.70.0100.00717.05
7.1.60.0070.01819.40
7.1.50.0070.00716.99
7.1.00.0000.08022.43
7.0.200.0500.00714.29
7.0.90.0570.06019.90
7.0.80.0770.07019.85
7.0.70.0430.07319.80
7.0.60.0670.08019.88
7.0.50.0300.04020.25
7.0.40.0070.04320.14
7.0.30.0070.05720.08
7.0.20.0070.04720.03
7.0.10.0130.03719.97
7.0.00.0030.04320.03
5.6.280.0030.03321.07
5.6.240.0070.07320.68
5.6.230.0070.06020.68
5.6.220.0070.04720.71
5.6.210.0130.05320.58
5.6.200.0070.04320.95
5.6.190.0070.04020.93
5.6.180.0000.04721.05
5.6.170.0000.04721.16
5.6.160.0100.03321.10
5.6.150.0030.08721.16
5.6.140.0030.04021.01
5.6.130.0130.08021.00
5.6.120.0070.07321.11
5.6.110.0100.03721.09
5.6.100.0070.04320.96
5.6.90.0070.04020.99
5.6.80.0030.05720.55
5.6.70.0000.06020.41
5.6.60.0000.04320.44
5.6.50.0000.04320.48
5.6.40.0070.03320.36
5.6.30.0000.05320.38
5.6.20.0000.04320.52
5.6.10.0000.05320.30
5.6.00.0070.03720.25
5.5.380.0030.08320.41
5.5.370.0070.07020.54
5.5.360.0030.05720.34
5.5.350.0030.08020.38
5.5.340.0100.06020.89
5.5.330.0000.04720.90
5.5.320.0100.04020.92
5.5.310.0030.04320.89
5.5.300.0100.03720.87
5.5.290.0030.06720.83
5.5.280.0070.04020.92
5.5.270.0170.03020.81
5.5.260.0030.04320.82
5.5.250.0070.04020.61
5.5.240.0070.03320.02
5.5.230.0070.04020.24
5.5.220.0030.06320.29
5.5.210.0070.03720.24
5.5.200.0030.04020.15
5.5.190.0000.04320.14
5.5.180.0070.03720.25
5.5.160.0170.04320.13
5.5.150.0030.03720.03
5.5.140.0070.03720.23
5.5.130.0070.04020.22
5.5.120.0030.04320.23
5.5.110.0000.04720.09
5.5.100.0030.04020.07
5.5.90.0030.05720.09
5.5.80.0030.05320.06
5.5.70.0070.03720.07
5.5.60.0030.03720.05
5.5.50.0030.03720.05
5.5.40.0100.05719.99
5.5.30.0070.08020.00
5.5.20.0070.05020.14
5.5.10.0070.08320.09
5.5.00.0100.07020.08

preferences:
56.23 ms | 400 KiB | 5 Q