3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function minimize($file) { return preg_replace('#(<\?php)\s+#S','$1 ',preg_replace('#\s*([(){}[\];,.:+<>*/%^=&?|$-])\s*#S', '$1', array_reduce(token_get_all(php_strip_whitespace($file)),function($c,$x){ static $s = [], $i=0; if ( is_string($x) ) return $c . $x; $_ = $x[1]; switch($x[0]){ case T_STRING: return $c . (defined($_) ? (is_bool($k=constant($_))||is_null($k)?$_:$k) : $_); case T_VARIABLE: return $c . (empty($s[$_]) ? ($s[$_] = '$_' . base_convert($i++,10,36)) : $s[$_]); case T_LOGICAL_OR: return $c . '||'; case T_LOGICAL_AND: return $c . '&&'; default: return $c . $_; } }))); } echo minimize(__FILE__);
based on 4f0Gi

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)
7.3.0rc40.0160.00798.97
7.3.0rc30.0120.00216.65
7.3.0beta10.0030.00712.89
7.3.0alpha10.0110.00013.13
7.2.60.0040.01117.07
7.2.00.0030.00719.93
7.1.200.0050.01515.32
7.1.100.0030.01318.46
7.1.70.0000.00717.43
7.1.60.0110.00719.32
7.1.50.0220.01934.86
7.1.00.0030.07322.45
7.0.200.0000.00917.12
7.0.140.0000.07722.14
7.0.100.0030.04320.05
7.0.90.0100.04020.26
7.0.80.0100.04020.00
7.0.70.0470.02020.02
7.0.60.0070.04020.07
7.0.50.0070.04020.47
7.0.40.0070.04320.16
7.0.30.0070.03720.05
7.0.20.0070.03720.01
7.0.10.0070.03320.04
7.0.00.0100.03020.08
5.6.280.0070.07320.95
5.6.250.0070.04020.64
5.6.240.0030.03720.75
5.6.230.0100.04020.64
5.6.220.0100.03720.54
5.6.210.0100.03720.65
5.6.200.0070.04720.98
5.6.190.0000.05020.98
5.6.180.0100.03721.08
5.6.170.0130.03721.15
5.6.160.0030.03721.13
5.6.150.0070.03321.07
5.6.140.0070.03321.05
5.6.130.0170.02721.18
5.6.120.0030.03721.14
5.6.110.0130.03021.31
5.6.100.0070.05321.13
5.6.90.0070.04021.10
5.6.80.0100.05020.54
5.6.70.0000.09020.60
5.6.60.0130.05720.43
5.6.50.0170.08020.52
5.6.40.0070.08320.48
5.6.30.0130.07020.42
5.6.20.0030.09020.50
5.6.10.0070.07020.41
5.6.00.0000.06720.40
5.5.380.0100.02720.41
5.5.370.0030.04320.50
5.5.360.0000.04720.39
5.5.350.0030.05020.52
5.5.340.0030.04320.98
5.5.330.0070.03020.65
5.5.320.0100.03720.93
5.5.310.0030.04020.96
5.5.300.0030.03320.69
5.5.290.0030.03720.96
5.5.280.0030.03720.69
5.5.270.0000.04720.96
5.5.260.0100.03320.92
5.5.250.0030.09720.74
5.5.240.0070.03720.30
5.5.230.0100.03720.07
5.5.220.0170.05720.31
5.5.210.0100.04720.25
5.5.200.0270.05720.21
5.5.190.0070.08020.13
5.5.180.0100.06320.26
5.5.160.0070.08020.16
5.5.150.0170.06320.26
5.5.140.0130.07320.08
5.5.130.0130.08320.03
5.5.120.0000.05020.04
5.5.110.0100.03720.23
5.5.100.0100.03720.02
5.5.90.0070.05020.23
5.5.80.0100.07020.16
5.5.70.0100.08020.13
5.5.60.0070.06020.10
5.5.50.0170.03020.14
5.5.40.0100.05720.20
5.5.30.0130.07020.11
5.5.20.0130.08020.16
5.5.10.0070.07320.10
5.5.00.0070.07020.09
5.4.450.0030.03319.57
5.4.440.0030.04319.50
5.4.430.0070.07019.37
5.4.420.0000.07719.35
5.4.410.0000.07019.29
5.4.400.0070.07019.23
5.4.390.0100.05319.05
5.4.380.0070.07718.85
5.4.370.0000.04719.30
5.4.360.0200.06019.05
5.4.350.0070.08019.00
5.4.340.0070.04019.19
5.4.320.0030.07019.16
5.4.310.0070.05019.07
5.4.300.0030.05319.13
5.4.290.0000.07019.03
5.4.280.0130.07018.91
5.4.270.0100.06719.23
5.4.260.0030.08019.03
5.4.250.0000.07019.09
5.4.240.0000.04319.04
5.4.230.0100.07319.07
5.4.220.0030.06319.02
5.4.210.0170.07019.13
5.4.200.0130.07019.03
5.4.190.0070.06719.18
5.4.180.0070.03719.13
5.4.170.0030.04319.30
5.4.160.0030.08319.02
5.4.150.0070.04018.84
5.4.140.0070.04316.46
5.4.130.0070.03716.47
5.4.120.0000.04016.32
5.4.110.0070.03016.39
5.4.100.0030.07716.45
5.4.90.0100.06716.42
5.4.80.0070.07016.51
5.4.70.0070.06716.45
5.4.60.0170.04316.39
5.4.50.0100.05316.46
5.4.40.0100.05716.54
5.4.30.0070.07016.30
5.4.20.0130.06316.30
5.4.10.0000.05716.50
5.4.00.0070.07015.95
5.3.290.0030.07714.63
5.3.280.0030.06314.71
5.3.270.0170.04714.64
5.3.260.0070.07314.50
5.3.250.0070.05014.62
5.3.240.0000.04014.54
5.3.230.0070.05714.71
5.3.220.0030.03714.61
5.3.210.0070.03714.64
5.3.200.0000.04014.63
5.3.190.0070.04714.70
5.3.180.0130.03714.63
5.3.170.0070.06714.57
5.3.160.0070.03314.55
5.3.150.0070.07014.60
5.3.140.0070.06314.55
5.3.130.0030.05014.66
5.3.120.0030.03714.61
5.3.110.0030.07714.55
5.3.100.0100.04314.10
5.3.90.0030.07014.01
5.3.80.0030.06014.01
5.3.70.0130.07014.04
5.3.60.0100.02714.10
5.3.50.0030.03314.07
5.3.40.0100.05713.89
5.3.30.0030.04714.00
5.3.20.0070.06313.63
5.3.10.0000.03713.67
5.3.00.0000.05013.67
5.2.170.0000.06011.61
5.2.160.0030.03311.61
5.2.150.0030.03711.61
5.2.140.0070.02711.61
5.2.130.0000.06011.61
5.2.120.0030.03011.61
5.2.110.0030.05311.61
5.2.100.0000.06311.61
5.2.90.0100.03711.61
5.2.80.0070.06311.61
5.2.70.0100.05311.61
5.2.60.0170.05011.61
5.2.50.0070.06311.61
5.2.40.0000.03011.61
5.2.30.0070.05011.61
5.2.20.0030.04011.61
5.2.10.0030.03011.61
5.2.00.0030.06011.61
5.1.60.0070.03011.61
5.1.50.0000.03711.61
5.1.40.0030.02711.61
5.1.30.0030.02311.61
5.1.20.0030.03011.61
5.1.10.0030.02311.61
5.1.00.0100.04311.61
5.0.50.0030.02011.61
5.0.40.0000.02311.61
5.0.30.0000.03011.61
5.0.20.0070.01711.61
5.0.10.0030.04311.61
5.0.00.0000.05311.61
4.4.90.0030.03711.61
4.4.80.0000.03711.61
4.4.70.0000.01311.61
4.4.60.0000.03011.61
4.4.50.0000.03311.61
4.4.40.0000.03011.61
4.4.30.0000.02711.61
4.4.20.0000.01711.61
4.4.10.0000.02011.61
4.4.00.0000.02311.61
4.3.110.0000.04011.61
4.3.100.0000.03311.61
4.3.90.0000.02011.61
4.3.80.0000.02311.61
4.3.70.0000.03311.61
4.3.60.0000.01711.61
4.3.50.0030.02011.61
4.3.40.0070.03711.61
4.3.30.0000.02311.61
4.3.20.0000.03311.61
4.3.10.0000.01311.61
4.3.00.0000.02011.61