3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class Test{ const AB♥ = "alphabet"; } $rc = new ReflectionClass("Test"); $const = array_keys( $rc->getConstants())[0]; // $substr = substr( $const, -1,1 ); $substr = mb_substr( $const, -1,1 ); // PHP 5.6 if ( $substr === "♥" ) { trigger_error(FATAL_ERROR, E_USER_ERROR . "\"♥\" in \"$const\"" ); } // Notice: "♥" in "AB ♥" …
based on Ee8Pv

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)
7.3.10.0180.00716.13
7.3.00.0170.01116.36
7.2.130.0160.01616.43
7.2.120.0150.00916.59
7.2.110.0150.00516.60
7.2.100.0280.00016.59
7.2.90.0190.00416.42
7.2.80.0260.01016.89
7.2.70.0140.01416.85
7.2.60.0120.00916.48
7.2.50.0090.00616.38
7.2.40.0110.00816.48
7.2.30.0070.01016.60
7.2.20.0170.00016.24
7.2.10.0130.00816.11
7.2.00.0070.01018.10
7.1.250.0110.00715.37
7.1.200.0140.00015.48
7.1.100.0060.00618.07
7.1.70.0040.00416.91
7.1.60.0090.01519.40
7.1.50.0110.01416.93
7.1.00.0070.07322.44
7.0.200.0470.00314.59
7.0.140.0000.07321.99
7.0.60.0000.08319.86
7.0.50.0030.08017.86
7.0.40.0070.04320.26
7.0.30.0230.08720.19
7.0.20.0230.04020.25
7.0.10.0100.06720.24
7.0.00.0030.06720.13
5.6.280.0030.07321.11
5.6.210.0100.07720.64
5.6.200.0200.05018.16
5.6.190.0100.08320.55
5.6.180.0130.06320.59
5.6.170.0170.07320.45
5.6.160.0070.08020.54
5.6.150.0130.07018.18
5.6.140.0100.07718.18
5.6.130.0130.05018.11
5.6.120.0030.05020.99
5.6.110.0000.05021.08
5.6.100.0100.04021.11
5.6.90.0270.06720.96
5.6.80.0070.04320.42
5.6.70.3970.04020.45
5.5.350.0300.06720.43
5.5.340.0070.08017.95
5.5.330.0000.04720.43
5.5.320.0330.04320.27
5.5.310.0200.03720.29
5.5.300.0130.07317.91
5.5.290.0100.06017.99
5.5.280.0130.08020.73
5.5.270.0070.05320.67
5.5.260.0070.06320.97
5.5.250.0030.08020.62
5.5.240.0300.05320.18
5.4.450.0700.05019.34
5.4.440.0230.05019.47
5.4.430.0230.05719.30
5.4.420.0230.05019.12
5.4.410.0130.05718.94
5.4.400.0370.05718.53
5.4.390.0330.05018.61
5.4.380.0070.05318.72
5.4.370.0030.04718.70
5.4.360.0100.03318.60
5.4.350.0050.03912.02
5.4.340.0050.03612.01
5.4.320.0050.03912.50
5.4.310.0040.04012.49
5.4.300.0080.03412.50
5.4.290.0070.04112.49
5.4.280.0080.03312.39
5.4.270.0060.04712.39
5.4.260.0060.04012.39
5.4.250.0050.03812.39
5.4.240.0040.03712.39
5.4.230.0080.03612.38
5.4.220.0050.03712.38
5.4.210.0040.03712.39
5.4.200.0060.03712.39
5.4.190.0060.03512.38
5.4.180.0080.04912.38
5.4.170.0020.03812.39
5.4.160.0050.03512.39
5.4.150.0040.03612.38
5.4.140.0050.03712.06
5.4.130.0060.03912.05
5.4.120.0070.04612.01
5.4.110.0020.03812.01
5.4.100.0070.03412.00
5.4.90.0060.03612.01
5.4.80.0050.03712.01
5.4.70.0060.03312.00
5.4.60.0020.03712.00
5.4.50.0040.03612.00
5.4.40.0040.03511.99
5.4.30.0060.03511.99
5.4.20.0070.03411.99
5.4.10.0080.04111.99
5.4.00.0030.03711.47
5.3.290.0070.03712.80
5.3.280.0040.03912.71
5.3.270.0070.03812.72
5.3.260.0060.03912.72
5.3.250.0030.04012.72
5.3.240.0050.03712.72
5.3.230.0050.04012.70
5.3.220.0020.04112.68
5.3.210.0050.03912.68
5.3.200.0100.04412.68
5.3.190.0080.04112.68
5.3.180.0080.04512.67
5.3.170.0110.04412.67
5.3.160.0060.03812.67
5.3.150.0070.03612.68
5.3.140.0090.04212.66
5.3.130.0080.04012.66
5.3.120.0070.04712.66
5.3.110.0050.05012.66
5.3.100.0100.04312.12
5.3.90.0090.04512.10
5.3.80.0090.04112.09
5.3.70.0100.04312.09
5.3.60.0040.03712.07
5.3.50.0040.04412.02
5.3.40.0060.05312.02
5.3.30.0090.03511.98
5.3.20.0070.03911.76
5.3.10.0050.04411.73
5.3.00.0100.04711.72
5.2.170.0060.0379.22
5.2.160.0030.0309.22
5.2.150.0030.0319.22
5.2.140.0040.0309.21
5.2.130.0030.0299.18
5.2.120.0040.0319.18
5.2.110.0040.0309.18
5.2.100.0060.0269.17
5.2.90.0040.0289.17
5.2.80.0100.0419.17
5.2.70.0030.0309.17
5.2.60.0040.0449.13
5.2.50.0040.0309.10
5.2.40.0000.0329.07
5.2.30.0030.0299.04
5.2.20.0050.0279.03
5.2.10.0050.0318.94
5.2.00.0030.0298.80
5.1.60.0020.0258.09
5.1.50.0030.0268.09
5.1.40.0060.0328.07
5.1.30.0020.0348.41
5.1.20.0040.0258.44
5.1.10.0050.0328.16
5.1.00.0020.0278.16
5.0.50.0040.0196.64
5.0.40.0080.0216.50
5.0.30.0040.0296.31
5.0.20.0030.0206.28
5.0.10.0030.0206.26
5.0.00.0020.0366.25
4.4.90.0040.0194.78
4.4.80.0030.0154.75
4.4.70.0050.0134.76
4.4.60.0030.0204.76
4.4.50.0030.0154.77
4.4.40.0010.0264.71
4.4.30.0040.0224.76
4.4.20.0010.0174.84
4.4.10.0030.0164.85
4.4.00.0070.0284.76
4.3.110.0030.0194.67
4.3.100.0020.0154.67
4.3.90.0020.0144.63
4.3.80.0030.0414.59
4.3.70.0050.0244.63
4.3.60.0010.0154.63
4.3.50.0020.0324.63
4.3.40.0020.0234.54
4.3.30.0010.0173.30
4.3.20.0010.0163.28
4.3.10.0010.0163.24
4.3.00.0100.0377.12