3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $object = new stdClass; $object->color = 'lavender'; $object->size = 25; $array = json_decode(json_encode($object), TRUE); var_dump($array === (array) $object);
based on 7kbsI

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).
Note: hhvm uses a JIT which only kicks in after a few runs. Since we run scripts only once, hhvm always runs slower.

VersionSystem time (s)User time (s)Memory (MiB)
7.2.60.0080.00016.78
7.2.00.0040.00819.28
7.1.200.0030.01015.91
7.1.100.0050.00518.22
7.1.70.0030.00617.33
7.1.60.0030.02019.29
7.1.50.0100.01417.11
7.1.00.0030.07722.28
7.0.200.0150.00614.62
7.0.140.0070.06722.04
7.0.90.0370.04019.82
7.0.80.0070.03719.84
7.0.70.0030.05019.88
7.0.60.0230.04319.88
7.0.50.0000.04320.34
7.0.40.0100.03020.11
7.0.30.0000.05320.04
7.0.20.0030.04320.19
7.0.10.0070.04020.00
7.0.00.0070.04020.09
5.6.280.0070.07021.14
5.6.240.0000.04720.61
5.6.230.0030.04320.54
5.6.220.0030.03720.50
5.6.210.0100.05720.59
5.6.200.0030.04720.96
5.6.190.0170.05720.93
5.6.180.0000.04321.03
5.6.170.0030.04321.05
5.6.160.0130.04021.07
5.6.150.0070.04321.13
5.6.140.0070.07021.06
5.6.130.0000.04020.92
5.6.120.0070.04021.04
5.6.110.0070.04021.09
5.6.100.0030.04020.92
5.6.90.0070.04321.03
5.6.80.0030.04320.41
5.6.70.0070.04320.48
5.6.60.0100.05720.32
5.6.50.0030.08720.39
5.6.40.0030.08020.43
5.6.30.0100.03720.37
5.6.20.0100.08320.37
5.6.10.0130.07720.37
5.6.00.0030.06320.27
5.5.380.0030.04020.30
5.5.370.0000.05720.38
5.5.360.0100.06020.45
5.5.350.0030.04720.36
5.5.340.0130.05320.91
5.5.330.0070.04020.93
5.5.320.0100.03720.79
5.5.310.0030.04320.87
5.5.300.0100.03320.79
5.5.290.0030.04020.87
5.5.280.0000.04320.86
5.5.270.0030.06320.76
5.5.260.0070.04020.75
5.5.250.0100.03720.45
5.5.240.0030.04020.30
5.5.230.0030.04320.30
5.5.220.0100.07320.28
5.5.210.0130.06720.13
5.5.200.0100.08020.21
5.5.190.0170.07020.23
5.5.180.0130.04020.27
5.5.160.0170.05320.12
5.5.150.0030.06720.27
5.5.140.0070.05020.10
5.5.130.0130.05020.07
5.5.120.0070.04320.22
5.5.110.0170.06720.22
5.5.100.0100.07720.06
5.5.90.0100.07320.10
5.5.80.0070.06020.16
5.5.70.0100.07020.05
5.5.60.0130.07720.05
5.5.50.0130.06020.08
5.5.40.0130.06719.95
5.5.30.0130.06719.99
5.5.20.0130.07020.05
5.5.10.0100.04320.02
5.5.00.0030.08020.00
5.4.450.0030.04019.31
5.4.440.0070.03319.30
5.4.430.0100.03319.35
5.4.420.0030.04019.35
5.4.410.0030.04019.21
5.4.400.0000.04318.98
5.4.390.0070.03318.78
5.4.380.0070.03719.05
5.4.370.0130.03719.05
5.4.360.0070.07319.09
5.4.350.0100.07719.13
5.4.340.0100.07319.04
5.4.320.0070.07719.14
5.4.310.0100.04018.96
5.4.300.0030.04319.05
5.4.290.0070.07018.95
5.4.280.0030.08018.97
5.4.270.0130.07319.05
5.4.260.0070.04318.97
5.4.250.0130.05718.80
5.4.240.0000.04719.22
5.4.230.0100.07018.80
5.4.220.0100.07719.06
5.4.210.0200.06718.89
5.4.200.0130.06719.22
5.4.190.0070.03719.15
5.4.180.0030.05319.06
5.4.170.0170.07018.77
5.4.160.0000.05719.05
5.4.150.0070.04319.01
5.4.140.0070.07316.24
5.4.130.0100.06716.23
5.4.120.0100.06716.02
5.4.110.0100.03316.43
5.4.100.0070.04016.42
5.4.90.0000.07016.33
5.4.80.0070.07716.22
5.4.70.0070.05016.24
5.4.60.0230.06016.40
5.4.50.0200.03316.28
5.4.40.0000.07016.37
5.4.30.0070.07316.22
5.4.20.0100.07316.28
5.4.10.0100.03016.32
5.4.00.0100.05015.69
5.3.290.0100.08014.62
5.3.280.0070.07314.56
5.3.270.0170.04014.46
5.3.260.0130.07714.44
5.3.250.0030.05714.42
5.3.240.0100.05314.59
5.3.230.0070.04714.57
5.3.220.0070.05014.51
5.3.210.0000.04014.40
5.3.200.0030.05014.53
5.3.190.0070.06014.54
5.3.180.0100.07014.52
5.3.170.0170.06714.51
5.3.160.0070.07014.57
5.3.150.0030.04314.50
5.3.140.0030.06714.41
5.3.130.0070.05314.48
5.3.120.0070.04014.38
5.3.110.0070.06714.40
5.3.100.0070.07713.95
5.3.90.0200.04313.88
5.3.80.0130.07013.95
5.3.70.0070.07013.96
5.3.60.0070.07013.97
5.3.50.0070.04713.85
5.3.40.0000.04713.95
5.3.30.0100.07313.77
5.3.20.0070.04013.67
5.3.10.0070.05713.51
5.3.00.0030.05713.60
5.2.170.0030.04011.16
5.2.160.0030.04011.19
5.2.150.0030.06311.14
5.2.140.0130.05010.96
5.2.130.0070.02710.94
5.2.120.0100.05711.07
5.2.110.0070.05010.92
5.2.100.0070.03711.04
5.2.90.0030.03311.09
5.2.80.0030.06311.16
5.2.70.0070.06010.94
5.2.60.0070.04311.00
5.2.50.0070.03711.09
5.2.40.0070.06010.97
5.2.30.0100.05010.89
5.2.20.0000.03010.80
5.2.10.0000.03310.80
5.2.00.0030.03310.63
5.1.60.0030.05010.58
5.1.50.0000.03310.58
5.1.40.0000.05010.58
5.1.30.0070.06010.58
5.1.20.0070.05010.58
5.1.10.0000.06310.58
5.1.00.0070.05010.58
5.0.50.0030.04710.58
5.0.40.0000.04710.58
5.0.30.0000.04310.58
5.0.20.0030.03010.58
5.0.10.0030.02010.58
5.0.00.0030.03010.58
4.4.90.0100.02710.58
4.4.80.0030.03310.58
4.4.70.0030.03710.58
4.4.60.0100.02710.58
4.4.50.0070.03010.58
4.4.40.0000.05310.58
4.4.30.0100.01310.58
4.4.20.0030.03710.58
4.4.10.0030.03710.58
4.4.00.0000.05010.58
4.3.110.0030.03010.58
4.3.100.0030.03010.58
4.3.90.0000.03710.58
4.3.80.0000.02710.58
4.3.70.0000.02710.58
4.3.60.0030.02710.58
4.3.50.0000.02010.58
4.3.40.0000.05310.58
4.3.30.0030.03310.58
4.3.20.0000.03710.58
4.3.10.0100.03010.58
4.3.00.0000.02310.58