3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arraydata = array('foo' => 3.0, 'bar' => 3.1); $jsondata = json_encode($arraydata); var_dump($arraydata); var_dump($jsondata); echo json_encode($arraydata, JSON_PRESERVE_ZERO_FRACTION); echo json_decode($jsondata);

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)
8.3.60.0170.00316.50
8.3.50.0150.00321.99
8.3.40.0110.00418.96
8.3.30.0080.00818.85
8.3.20.0070.00020.23
8.3.10.0050.00223.65
8.3.00.0080.00023.47
8.2.180.0160.00016.50
8.2.170.0090.00622.96
8.2.160.0100.00320.52
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0040.00421.18
8.2.120.0040.00426.35
8.2.110.0030.00620.91
8.2.100.0060.00617.80
8.2.90.0000.00819.13
8.2.80.0040.00417.97
8.2.70.0060.00317.63
8.2.60.0000.00817.93
8.2.50.0040.00418.09
8.2.40.0000.00720.59
8.2.30.0070.00019.32
8.2.20.0040.00417.84
8.2.10.0050.00318.11
8.2.00.0040.00418.04
8.1.280.0110.01125.92
8.1.270.0160.00322.20
8.1.260.0040.00428.09
8.1.250.0070.00028.09
8.1.240.0060.00322.46
8.1.230.0080.00417.70
8.1.220.0000.00917.80
8.1.210.0000.00818.77
8.1.200.0060.00317.23
8.1.190.0050.00317.35
8.1.180.0030.00518.10
8.1.170.0000.00818.43
8.1.160.0040.00420.69
8.1.150.0050.00218.86
8.1.140.0080.00019.42
8.1.130.0030.00617.59
8.1.120.0070.00017.41
8.1.110.0070.00017.24
8.1.100.0040.00417.43
8.1.90.0040.00417.38
8.1.80.0000.00717.36
8.1.70.0040.00417.37
8.1.60.0030.00517.53
8.1.50.0060.00317.47
8.1.40.0050.00317.46
8.1.30.0050.00317.59
8.1.20.0040.00417.59
8.1.10.0040.00417.56
8.1.00.0000.00817.50
8.0.300.0040.00418.77
8.0.290.0000.00816.88
8.0.280.0000.00718.34
8.0.270.0030.00317.25
8.0.260.0060.00017.28
8.0.250.0070.00016.91
8.0.240.0040.00416.90
8.0.230.0040.00416.95
8.0.220.0080.00016.78
8.0.210.0000.00716.79
8.0.200.0030.00316.98
8.0.190.0000.00716.81
8.0.180.0000.00716.89
8.0.170.0040.00416.95
8.0.160.0000.00716.95
8.0.150.0070.00316.80
8.0.140.0070.00016.72
8.0.130.0060.00613.35
8.0.120.0000.00816.80
8.0.110.0000.00716.85
8.0.100.0000.00716.91
8.0.90.0070.00016.79
8.0.80.0090.00916.93
8.0.70.0040.00416.75
8.0.60.0040.00416.95
8.0.50.0050.00316.82
8.0.30.0070.01217.05
8.0.20.0120.01117.40
8.0.10.0000.00716.86
8.0.00.0110.00816.83
7.4.330.0030.00316.70
7.4.320.0030.00616.49
7.4.300.0000.00716.51
7.4.290.0030.00316.39
7.4.280.0000.00716.48
7.4.270.0070.00016.41
7.4.260.0040.00416.43
7.4.250.0070.00016.50
7.4.240.0030.00316.36
7.4.230.0070.00016.49
7.4.220.0190.00316.67
7.4.210.0050.01016.43
7.4.200.0000.00716.52
7.4.160.0110.00716.59
7.4.150.0160.00417.40
7.4.140.0110.00717.86
7.4.130.0090.01016.64
7.4.120.0090.00816.60
7.4.110.0070.01016.49
7.4.100.0140.00716.54
7.4.90.0090.00816.52
7.4.80.0130.00919.39
7.4.70.0100.00716.42
7.4.60.0110.00616.57
7.4.50.0040.00816.70
7.4.40.0080.00816.54
7.4.30.0060.01116.46
7.4.00.0090.00615.11
7.3.330.0050.00012.92
7.3.320.0030.00312.97
7.3.310.0070.00016.05
7.3.300.0030.00316.15
7.3.290.0140.00416.19
7.3.280.0110.00416.17
7.3.270.0030.01317.40
7.3.260.0140.00316.54
7.3.240.0100.00716.41
7.3.230.0130.00316.39
7.3.210.0170.00016.31
7.3.200.0080.01319.39
7.3.190.0060.01116.41
7.3.180.0060.01016.41
7.3.170.0070.01016.29
7.3.160.0030.01216.29
7.2.330.0130.00616.57
7.2.320.0120.00916.62
7.2.310.0140.01016.61
7.2.300.0070.01016.56
7.2.290.0140.00716.57
7.2.60.0070.00316.71
7.2.00.0090.00319.30
7.1.200.0040.00815.52
7.1.70.0030.00516.80
7.1.60.0060.00617.13
7.1.50.0070.01716.80
7.1.00.0130.06722.41
7.0.200.0000.01016.80
7.0.90.0230.08020.01
7.0.80.0530.08319.89
7.0.70.0400.07019.88
7.0.60.0230.04719.93
7.0.50.0470.08320.22
7.0.40.0070.07720.18
7.0.30.0200.07320.14
7.0.20.0000.08320.18
7.0.10.0030.06720.09
7.0.00.0100.05320.04
5.6.280.0000.06721.03
5.6.240.0330.04720.63
5.6.230.0130.06720.69
5.6.220.0130.05720.66
5.6.210.0030.08320.64
5.6.200.0200.05321.06
5.6.190.0070.07721.00
5.6.180.0030.06320.94
5.6.170.0000.08321.16
5.6.160.0070.08321.05
5.6.150.0100.07321.07
5.6.140.0130.07321.07
5.6.130.0270.06021.09
5.6.120.0130.07021.09
5.6.110.0030.06021.00
5.6.100.0100.08320.92
5.6.90.0070.07720.93
5.6.80.0300.04320.41
5.6.70.0130.05020.45
5.6.60.0270.05320.35
5.6.50.0100.05020.42
5.6.40.0070.07720.43
5.6.30.0030.08020.33
5.6.20.0030.07320.35
5.6.10.0070.04720.26
5.6.00.0030.04320.40
5.5.380.0130.05720.34
5.5.370.0030.04320.39
5.5.360.0070.04020.39
5.5.350.0100.07320.43
5.5.340.0100.05320.73
5.5.330.0000.08720.74
5.5.320.0070.08020.63
5.5.310.0030.05320.91
5.5.300.0130.07020.82
5.5.290.0100.08320.88
5.5.280.0130.04020.91
5.5.270.0070.04320.76
5.5.260.0100.05720.87
5.5.250.0070.08720.69
5.5.240.0070.05020.11
5.5.230.0070.05720.26
5.5.220.0030.08020.08
5.5.210.0100.08020.10
5.5.200.0070.08020.12
5.5.190.0130.07020.23
5.5.180.0070.07020.20
5.5.160.0130.03020.27
5.5.150.0100.04020.10
5.5.140.0130.07019.98
5.5.130.0100.07320.22
5.5.120.0130.06020.13
5.5.110.0030.07020.22
5.5.100.0130.07320.16
5.5.90.0130.06020.14
5.5.80.0170.06320.04
5.5.70.0230.06020.15
5.5.60.0130.07020.05
5.5.50.0030.07720.08
5.5.40.0030.07720.07
5.5.30.0070.07720.12
5.5.20.0030.04720.14
5.5.10.0070.07320.06
5.5.00.0100.05720.04

preferences:
32.82 ms | 401 KiB | 5 Q