3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class ErrorPrinter { /* String to print for an error where a parameter is missing from the post */ const ERROR_MISSING_PARAM = "10000"; private $errors = array(); private $number_of_errors = 0; function addError($error, $variable){ $this->errors[$variable] = $error; $this->number_of_errors = count($this->errors); } function printToJson(){ return json_encode($this->errors); } function getNumberOfErrors(){ return $this->number_of_errors; } } $printer = new ErrorPrinter; $printer->addError(ErrorPrinter::ERROR_MISSING_PARAM, 'name'); echo $printer->getNumberOfErrors . "\r\n"; echo $printer->printToJson();
based on Bu5a7

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)
7.2.60.0130.00316.75
7.2.00.0030.01019.48
7.1.200.0060.00315.85
7.1.100.0030.01018.13
7.1.70.0000.00817.29
7.1.60.0060.01919.46
7.1.50.0170.00717.09
7.1.00.0030.07722.43
7.0.200.0030.00616.90
7.0.140.0030.03721.95
7.0.90.0130.05719.98
7.0.80.0170.02719.99
7.0.70.0100.03319.98
7.0.60.0070.03319.98
7.0.50.0070.04320.30
7.0.40.0070.03320.18
7.0.30.0070.04020.12
7.0.20.0030.05020.04
7.0.10.0070.04320.09
7.0.00.0070.04720.16
5.6.280.0030.07320.90
5.6.240.0000.04720.61
5.6.230.0030.04320.60
5.6.220.0100.03720.63
5.6.210.0000.04320.56
5.6.200.0070.07021.06
5.6.190.0030.04020.96
5.6.180.0030.04020.96
5.6.170.0030.04321.05
5.6.160.0000.04321.00
5.6.150.0070.04021.09
5.6.140.0030.04321.07
5.6.130.0000.04720.96
5.6.120.0030.04021.04
5.6.110.0130.07721.10
5.6.100.0070.08321.07
5.6.90.0230.07021.04
5.6.80.0070.05320.47
5.6.70.0130.07020.41
5.6.60.0070.04020.46
5.6.50.0030.08720.48
5.6.40.0100.04020.32
5.6.30.0100.08020.43
5.6.20.0130.06320.36
5.6.10.0200.04720.49
5.6.00.0030.06320.48
5.5.380.0000.04320.41
5.5.370.0030.04020.49
5.5.360.0030.04020.37
5.5.350.0070.03720.38
5.5.340.0000.05320.87
5.5.330.0000.04320.77
5.5.320.0170.02320.89
5.5.310.0000.04320.89
5.5.300.0100.06020.92
5.5.290.0070.04320.88
5.5.280.0000.04320.87
5.5.270.0070.06020.87
5.5.260.0230.03720.89
5.5.250.0070.08320.70
5.5.240.0130.07720.22
5.5.230.0100.05020.30
5.5.220.0100.08020.23
5.5.210.0030.05320.29
5.5.200.0200.06320.23
5.5.190.0100.07720.20
5.5.180.0070.05719.97
5.5.160.0070.04020.09
5.5.150.0070.06320.16
5.5.140.0100.07320.23
5.5.130.0070.07320.16
5.5.120.0070.04020.18
5.5.110.0070.07020.21
5.5.100.0130.04020.13
5.5.90.0070.05319.98
5.5.80.0030.08320.02
5.5.70.0070.08020.08
5.5.60.0130.07320.15
5.5.50.0070.05720.16
5.5.40.0100.07320.14
5.5.30.0100.04019.96
5.5.20.0000.08320.05
5.5.10.0070.06019.99
5.5.00.0100.07020.07
5.4.450.0030.05319.27
5.4.440.0070.03719.47
5.4.430.0100.07719.55
5.4.420.0070.05719.20
5.4.410.0130.06019.38
5.4.400.0030.07719.13
5.4.390.0070.07719.16
5.4.380.0030.06019.09
5.4.370.0030.06018.87
5.4.360.0030.08318.94
5.4.350.0130.03019.16
5.4.340.0030.08019.16
5.4.320.0030.05719.03
5.4.310.0100.06318.90
5.4.300.0170.05019.03
5.4.290.0100.07319.23
5.4.280.0070.07018.85
5.4.270.0100.03719.20
5.4.260.0030.06719.03
5.4.250.0030.04018.94
5.4.240.0070.07018.88
5.4.230.0000.07319.04
5.4.220.0070.07019.20
5.4.210.0030.07719.02
5.4.200.0030.06019.13
5.4.190.0100.07319.12
5.4.180.0000.06718.93
5.4.170.0030.06319.03
5.4.160.0030.03719.10
5.4.150.0100.07019.00
5.4.140.0070.06316.36
5.4.130.0000.07716.29
5.4.120.0070.06016.14
5.4.110.0030.04016.41
5.4.100.0030.07316.48
5.4.90.0030.06716.46
5.4.80.0100.06716.51
5.4.70.0100.06016.26
5.4.60.0070.07316.37
5.4.50.0100.03716.44
5.4.40.0030.04016.45
5.4.30.0030.07716.41
5.4.20.0130.06716.47
5.4.10.0100.05716.47
5.4.00.0070.07315.68
5.3.290.0030.04314.78
5.3.280.0130.07314.59
5.3.270.0000.04014.75
5.3.260.0000.05014.63
5.3.250.0000.04014.63
5.3.240.0000.07714.54
5.3.230.0030.08314.58
5.3.220.0070.07314.60
5.3.210.0100.06714.59
5.3.200.0070.04314.58
5.3.190.0130.06714.52
5.3.180.0000.07714.69
5.3.170.0100.07714.59
5.3.160.0070.06014.71
5.3.150.0030.04714.50
5.3.140.0070.04314.63
5.3.130.0070.07314.55
5.3.120.0030.06014.51
5.3.110.0100.07014.64
5.3.100.0070.07714.01
5.3.90.0100.03714.03
5.3.80.0130.05313.94
5.3.70.0070.07714.07
5.3.60.0100.05714.07
5.3.50.0000.05714.00
5.3.40.0100.07313.98
5.3.30.0030.06014.05
5.3.20.0100.07313.83
5.3.10.0030.04313.67
5.3.00.0070.07013.67
5.2.170.0030.03711.07
5.2.160.0070.06011.01
5.2.150.0030.06711.29
5.2.140.0170.05311.21
5.2.130.0030.05311.23
5.2.120.0000.06311.20
5.2.110.0070.03711.13
5.2.100.0030.03711.24
5.2.90.0070.04711.17
5.2.80.0100.06011.24
5.2.70.0070.06011.23
5.2.60.0070.04711.09
5.2.50.0000.06711.16
5.2.40.0170.05011.03
5.2.30.0070.05310.86
5.2.20.0070.05711.00
5.2.10.0030.05310.98
5.2.00.0030.05010.76
5.1.60.0000.03310.00
5.1.50.0030.0309.85
5.1.40.0070.0439.83
5.1.30.0070.03710.41
5.1.20.0070.06310.34
5.1.10.0070.0379.92
5.1.00.0030.0539.94
5.0.50.0070.0408.39
5.0.40.0030.0238.41
5.0.30.0030.0438.23
5.0.20.0070.0338.20
5.0.10.0000.0338.27
5.0.00.0100.0538.28
4.4.90.0000.0377.63
4.4.80.0030.0207.63
4.4.70.0000.0207.63
4.4.60.0000.0177.63
4.4.50.0000.0177.63
4.4.40.0030.0237.63
4.4.30.0030.0337.63
4.4.20.0000.0377.63
4.4.10.0070.0337.63
4.4.00.0000.0537.63
4.3.110.0000.0377.63
4.3.100.0030.0307.63
4.3.90.0100.0277.63
4.3.80.0000.0577.63
4.3.70.0030.0177.63
4.3.60.0070.0207.63
4.3.50.0000.0307.63
4.3.40.0000.0407.63
4.3.30.0000.0377.63
4.3.20.0030.0377.63
4.3.10.0030.0337.63
4.3.00.0000.0377.63