3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $obj='a:1:{i:0;C:16:"SplObjectStorage":2759:{x:i:66;O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};;d:1.49838390399500653358793293418111167051308796436801980753130639055833542341238720431762506685108651898;;O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};O:8:"stdClass":0:{};i:0;;d:1.494650849520993658071972576007809862201175315195266298540568976183164852787859404147290890515917731E-298;;d:1.50211695846901940910389329236560039955811204676623996273754269090153258807566560922292641313270078E-298;;d:1.505850012943032284619853650544495668236580412551726794836029548260716455719568711760744174441092304E-298;;d:1.509583067417045160135814008723390936915048778337213626934516405619900323363471814298561935749483829E-298;;d:1.513316121891058035651774366902286205593517144122700459033003262979084191007374916836379697057875353E-298;;d:1.517049176365070911167734725081181474271985509908187291131490120338268058651278019374197458366266877E-298;;d:1.520782230839083786683695083260076742950453875693674123229976977697451926295181121912015219674658402E-298;;d:1.524515285313096662199655441438972011628922241479160955328463835056635793939084224449832980983049926E-298;;d:1.528248339787109537715615799617867280307390607264647787426950692415819661582987326987650742291441451E-298;;d:1.531981394261122413231576157796762548985858973050134619525437549775003529226890429525468503599832975E-298;;d:1.535714448735135288747536515975657817664327338835621451623924407134187396870793532063286264908224499E-298;;d:1.539447503209148164263496874154553086342795704621108283722411264493371264514696634601104026216616024E-298;;d:1.543180557683161039779457232333448355021264070406595115820898121852555132158599737138921787525007548E-298;;d:1.546913612157173915295417590512343623699732436192081947919384979211738999802502839676739548833399073E-298;;d:1.550646666631186790811377948691238892378200801977568780017871836570922867446405942214557310141790597E-298;;m:a:0:{}}}'; var_dump(unserialize($obj)); ?>
based on 2vee3

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)
7.2.00.0000.01518.96
7.1.100.0060.00917.96
7.1.70.0000.00716.96
7.1.60.0100.01319.34
7.1.50.0120.00916.77
7.1.00.0070.07322.27
7.0.200.0030.00716.71
7.0.140.0030.07321.93
7.0.60.0030.07019.93
7.0.50.0200.06317.92
7.0.40.0070.09019.99
7.0.30.0170.07020.04
7.0.20.0200.04720.00
7.0.10.0070.04020.13
7.0.00.0070.08019.99
5.6.280.0030.07720.91
5.6.210.0100.08320.69
5.6.200.0000.05018.18
5.6.190.0030.05020.43
5.6.180.0330.05320.39
5.6.170.0170.08320.48
5.6.160.0070.03720.33
5.6.150.0070.03718.12
5.6.140.0130.07018.21
5.6.130.0070.05018.16
5.6.120.0000.05020.88
5.6.110.0030.08020.98
5.6.100.0070.06020.88
5.6.90.0170.06021.00
5.6.80.0170.06020.38
5.5.350.0100.07720.43
5.5.340.0030.07018.00
5.5.330.0100.07720.13
5.5.320.3770.04020.17
5.5.310.0270.03320.16
5.5.300.0030.04017.89
5.5.290.0100.06017.90
5.5.280.0030.04020.86
5.5.270.0070.05320.75
5.5.260.0070.08020.68
5.5.250.0130.05320.71
5.5.240.0070.03720.14
5.4.450.0230.03019.55
5.4.440.0100.06319.21
5.4.430.0070.07019.34
5.4.420.0130.05319.30
5.4.410.0170.05018.72
5.4.400.0030.06318.50
5.4.390.0100.05718.54
5.4.380.0070.06018.59
5.4.370.0170.04718.61
5.4.360.0070.05718.50
5.4.350.0100.03313.70
5.4.340.0130.03013.73
5.4.320.0000.04714.29
5.4.310.0000.04714.17
5.4.300.0070.03714.13
5.4.290.0070.04714.22
5.4.280.0130.03314.04
5.4.270.0130.03014.09
5.4.260.0070.04014.09
5.4.250.0100.03714.10
5.4.240.0130.03314.04
5.4.230.0030.04014.03
5.4.220.0030.04314.18
5.4.210.0000.04314.18
5.4.200.0000.04314.25
5.4.190.0100.03314.09
5.4.180.0100.03014.00
5.4.170.0100.03314.18
5.4.160.0100.03714.26
5.4.150.0070.03714.09
5.4.140.0070.04013.78
5.4.130.0130.03713.76
5.4.120.0070.03713.83
5.4.110.0000.04013.71
5.4.100.0070.03313.73
5.4.90.0030.04713.68
5.4.80.0000.04713.88
5.4.70.0130.02713.64
5.4.60.0100.03313.73
5.4.50.0100.03313.63
5.4.40.0100.03713.64
5.4.30.0070.03713.69
5.4.20.0130.03013.86
5.4.10.0030.04013.62
5.4.00.0100.03713.12
5.3.290.0100.03714.59
5.3.280.0000.04314.47
5.3.270.0070.04014.46
5.3.260.0130.03314.46
5.3.250.0100.03314.68
5.3.240.0130.03014.50
5.3.230.0070.03714.65
5.3.220.0030.04014.44
5.3.210.0100.03314.47
5.3.200.0070.04014.60
5.3.190.0070.04014.63
5.3.180.0030.04014.48
5.3.170.0100.03714.46
5.3.160.0070.04714.54
5.3.150.0030.04014.49
5.3.140.0130.03314.59
5.3.130.0030.04014.49
5.3.120.0100.03314.58
5.3.110.0000.04314.46
5.3.100.0000.04713.90
5.3.90.0130.03014.07
5.3.80.0070.04014.05
5.3.70.0130.03013.91
5.3.60.0030.03713.89
5.3.50.0170.03013.84
5.3.40.0000.04313.98
5.3.30.0070.03313.77
5.3.20.0030.03713.64
5.3.10.0000.04713.68
5.3.00.0100.03713.68
5.2.170.0030.03311.02
5.2.160.0130.03011.07
5.2.150.0070.03711.13
5.2.140.0070.03711.12
5.2.130.0130.03011.06
5.2.120.0070.03011.07
5.2.110.0070.03711.20
5.2.100.0200.02711.00
5.2.90.0070.03011.00
5.2.80.0100.03311.11
5.2.70.0170.02711.06
5.2.60.0100.03011.03
5.2.50.0130.02310.95
5.2.40.0070.03010.92
5.2.30.0070.03710.95
5.2.20.0030.03710.92
5.2.10.0030.03310.94
5.2.00.0070.03010.76
5.1.60.0000.03010.00
5.1.50.0070.02710.00
5.1.40.0070.0239.94
5.1.30.0030.02710.32
5.1.20.0070.02710.44
5.1.10.0070.02710.09
5.1.00.0000.03310.11
5.0.50.0100.0178.53
5.0.40.0070.0178.38
5.0.30.0030.0378.30
5.0.20.0030.0208.12
5.0.10.0030.0208.21
5.0.00.0070.0278.30
4.4.90.0070.0135.82
4.4.80.0030.0205.82
4.4.70.0070.0205.82
4.4.60.0030.0175.82
4.4.50.0000.0235.85
4.4.40.0030.0235.88
4.4.30.0030.0175.83
4.4.20.0030.0175.90
4.4.10.0030.0275.87
4.4.00.0000.0335.88
4.3.110.0000.0175.74
4.3.100.0030.0135.78
4.3.90.0100.0075.79
4.3.80.0000.0275.82
4.3.70.0000.0175.86
4.3.60.0030.0175.89
4.3.50.0030.0175.79
4.3.40.0030.0205.82
4.3.30.0000.0174.62
4.3.20.0000.0174.56
4.3.10.0000.0174.44
4.3.00.0030.01316.65