3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo json_encode(array("foo" => chr(132), "bar" => "bar"));

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)
7.2.00.0030.00719.35
7.1.100.0030.00918.20
7.1.70.0030.01017.16
7.1.60.0070.01719.70
7.1.50.0150.00716.69
7.1.00.0130.06722.32
7.0.200.0050.00216.38
7.0.140.0030.07022.04
7.0.90.0200.04319.85
7.0.80.0430.05720.00
7.0.70.0600.04320.11
7.0.60.0730.07319.91
7.0.50.0530.08020.15
7.0.40.0000.04720.15
7.0.30.0030.04320.18
7.0.20.0130.08019.95
7.0.10.0070.07720.09
7.0.00.0030.04320.13
5.6.280.0030.07320.92
5.6.240.0070.08320.66
5.6.230.0070.05320.56
5.6.220.0070.08020.48
5.6.210.0070.08320.68
5.6.200.0070.08021.16
5.6.190.0100.07021.03
5.6.180.0100.08021.00
5.6.170.0070.07720.99
5.6.160.0070.08321.08
5.6.150.0000.08021.00
5.6.140.0100.08020.93
5.6.130.0130.05721.04
5.6.120.0070.08321.12
5.6.110.0000.08021.04
5.6.100.0070.07321.08
5.6.90.0170.07321.08
5.6.80.0100.07020.45
5.6.70.0130.07320.43
5.6.60.0100.04320.43
5.6.50.0070.05720.38
5.6.40.0170.06720.39
5.6.30.0100.07720.31
5.6.20.0030.08020.40
5.6.10.0030.08320.36
5.6.00.0070.07320.34
5.5.380.0070.07320.40
5.5.370.0100.06320.55
5.5.360.0100.08320.52
5.5.350.0200.06320.32
5.5.340.0030.08020.64
5.5.330.0100.06020.77
5.5.320.0070.05720.86
5.5.310.0170.06020.89
5.5.300.0070.04720.91
5.5.290.0030.08720.75
5.5.280.0070.05020.77
5.5.270.0100.04720.87
5.5.260.0100.07320.84
5.5.250.0070.06720.70
5.5.240.0070.08020.11
5.5.230.0070.07320.27
5.5.220.0100.07320.29
5.5.210.0030.07320.16
5.5.200.0070.08320.27
5.5.190.0030.08320.27
5.5.180.0030.08720.17
5.5.160.0030.04720.07
5.5.150.0070.07720.25
5.5.140.0100.05020.27
5.5.130.0030.08020.25
5.5.120.0130.07020.16
5.5.110.0030.08020.16
5.5.100.0170.06720.11
5.5.90.0130.07320.04
5.5.80.0130.07320.09
5.5.70.0200.06720.07
5.5.60.0070.08019.91
5.5.50.0070.07319.92
5.5.40.0070.07019.99
5.5.30.0070.08020.02
5.5.20.0030.04720.04
5.5.10.0170.07019.96
5.5.00.0100.07319.94
5.4.450.0070.07719.45
5.4.440.0100.05019.40
5.4.430.0170.07019.42
5.4.420.0100.07319.56
5.4.410.0030.04719.14
5.4.400.0170.06319.06
5.4.390.0070.06719.03
5.4.380.0030.07719.10
5.4.370.0100.05019.14
5.4.360.0100.05319.14
5.4.350.0000.06319.03
5.4.340.0100.07719.12
5.4.320.0070.05019.06
5.4.310.0100.03718.98
5.4.300.0070.07718.80
5.4.290.0030.08019.11
5.4.280.0130.04719.08
5.4.270.0070.07718.81
5.4.260.0070.05018.83
5.4.250.0000.05019.04
5.4.240.0100.07318.78
5.4.230.0100.06018.78
5.4.220.0000.08719.07
5.4.210.0100.07019.03
5.4.200.0000.08019.02
5.4.190.0070.08018.77
5.4.180.0030.07318.89
5.4.170.0100.06719.02
5.4.160.0070.06719.00
5.4.150.0100.07019.04
5.4.140.0130.06716.32
5.4.130.0100.07316.28
5.4.120.0070.07316.23
5.4.110.0030.07716.38
5.4.100.0100.06716.42
5.4.90.0100.05016.30
5.4.80.0070.04016.25
5.4.70.0100.05716.39
5.4.60.0030.07716.41
5.4.50.0000.04316.30
5.4.40.0070.03316.47
5.4.30.0170.05716.39
5.4.20.0100.06016.39
5.4.10.0100.06716.20
5.4.00.0000.07715.76
5.3.290.0100.04014.62
5.3.280.0030.05314.43
5.3.270.0070.07714.58
5.3.260.0070.06014.55
5.3.250.0170.06314.60
5.3.240.0000.07714.59
5.3.230.0100.04314.56
5.3.220.0030.06014.41
5.3.210.0000.06314.46
5.3.200.0070.08014.51
5.3.190.0030.07714.55
5.3.180.0030.08014.38
5.3.170.0130.06014.39
5.3.160.0030.08014.41
5.3.150.0130.03714.39
5.3.140.0100.03314.50
5.3.130.0130.03714.41
5.3.120.0100.03314.38
5.3.110.0100.07314.52
5.3.100.0030.08014.03
5.3.90.0070.06013.96
5.3.80.0000.07314.00
5.3.70.0100.05013.87
5.3.60.0130.06713.95
5.3.50.0100.07013.80
5.3.40.0030.07313.95
5.3.30.0070.04713.88
5.3.20.0130.06313.45
5.3.10.0070.04013.44
5.3.00.0100.06313.59
5.2.170.0100.03011.14
5.2.160.0000.03711.16
5.2.150.0070.06010.96
5.2.140.0030.04011.13
5.2.130.0100.05310.96
5.2.120.0030.05311.07
5.2.110.0000.04311.11
5.2.100.0000.03711.13
5.2.90.0070.03311.11
5.2.80.0070.05711.09
5.2.70.0130.05011.01
5.2.60.0030.06310.88
5.2.50.0000.06310.85
5.2.40.0130.05710.95
5.2.30.0100.05311.01
5.2.20.0130.04010.91
5.2.10.0100.03310.78
5.2.00.0070.03010.66
5.1.60.0070.0279.97
5.1.50.0030.05710.04
5.1.40.0030.0279.96
5.1.30.0070.05310.39
5.1.20.0030.03710.26
5.1.10.0000.04310.06
5.1.00.0100.04710.11
5.0.50.0130.0378.54
5.0.40.0100.0238.46
5.0.30.0030.0638.30
5.0.20.0000.0478.25
5.0.10.0100.0338.23
5.0.00.0070.0638.23
4.4.90.0030.0177.19
4.4.80.0000.0307.19
4.4.70.0070.0337.19
4.4.60.0030.0207.19
4.4.50.0030.0337.19
4.4.40.0000.0307.19
4.4.30.0030.0207.19
4.4.20.0030.0307.19
4.4.10.0030.0177.19
4.4.00.0030.0537.19
4.3.110.0030.0337.19
4.3.100.0000.0377.19
4.3.90.0000.0237.19
4.3.80.0000.0577.19
4.3.70.0070.0337.19
4.3.60.0030.0337.19
4.3.50.0070.0307.19
4.3.40.0000.0507.19
4.3.30.0030.0337.19
4.3.20.0030.0337.19
4.3.10.0030.0307.19
4.3.00.0000.0337.19