3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a='print'; $b='php_uname'; $c='system'; $d='shell_exec'; function nonalpha($string) { $str = ''; $cons = array('a' => '@ !', 'b' => '< ^', 'c' => '< _', 'd' => '? [', 'e' => '; ^', 'f' => '] ;', 'g' => ': ]', 'h' => '@ (', 'i' => ') @', 'j' => '* @', 'k' => '@ +', 'l' => ', @', 'm' => '- @', 'n' => '@ .', 'o' => '/ @', 'p' => '- ]', 'q' => '_ .', 'r' => '_ -', 's' => '- ^', 't' => '+ _', 'u' => '+ ^', 'v' => '] +', 'w' => '_ (', 'x' => '^ &', 'y' => '_ &', 'z' => '[ !', '_' => '! ~', 'A' => '{ :', 'B' => '? }', 'C' => '> }', 'D' => '` $', 'E' => '` %', 'F' => '& `', 'G' => '| ;', 'H' => '( `', 'I' => '` )', 'J' => '` J', 'K' => '` +', 'L' => '` ,', 'M' => '` -', 'N' => '` .', 'O' => '/ `', 'P' => '| ,', 'Q' => '| -', 'R' => '. |', 'S' => '| /', 'T' => '( |', 'U' => '| )', 'V' => '* |', 'W' => '* }', 'X' => '# {', 'Y' => '} $', 'Z' => '! {'); $cons_num = array('1' => "(('-'^'|')^'`')", '2' => "((','^'~')^'`')", '3' => "(('-'^'`')^'~')", '4' => "(('*'^'`')^'~')", '5' => "(('+'^'`')^'~')", '6' => "(('('^'`')^'~')", '7' => "((')'^'`')^'~')", '8' => "((':'^'|')^'~')", '9' => "((';'^'|')^'~')", '0' => "(('.'^'`')^'~')"); foreach(str_split($string) as $char) { if (!is_numeric($char)) { $bits = explode(' ', $cons[$char]); $str.= "('$bits[0]'^'$bits[1]')."; } else { $str.= "{$cons_num[$char]}."; } } return rtrim($str, '.'); } print(nonalpha($a).PHP_EOL); print(nonalpha($b).PHP_EOL); print(nonalpha($c).PHP_EOL); print(nonalpha($d).PHP_EOL);

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)
8.3.60.0110.00718.31
8.3.50.0110.00621.14
8.3.40.0070.00718.88
8.3.30.0140.00020.38
8.3.20.0040.00420.34
8.3.10.0040.00421.97
8.3.00.0060.00322.20
8.2.180.0070.01018.29
8.2.170.0000.01522.96
8.2.160.0100.00320.52
8.2.150.0070.00024.18
8.2.140.0080.00024.66
8.2.130.0150.00326.16
8.2.120.0080.00019.65
8.2.110.0030.00622.24
8.2.100.0070.00319.33
8.2.90.0030.00519.21
8.2.80.0040.00419.30
8.2.70.0040.00417.63
8.2.60.0080.00017.68
8.2.50.0040.00418.07
8.2.40.0050.00318.21
8.2.30.0000.01018.22
8.2.20.0050.00217.81
8.2.10.0000.00717.70
8.2.00.0030.00717.66
8.1.280.0100.01025.92
8.1.270.0040.00424.66
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00623.86
8.1.230.0070.00419.01
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0060.00317.35
8.1.190.0040.00417.62
8.1.180.0030.00620.30
8.1.170.0050.00318.43
8.1.160.0070.00022.21
8.1.150.0040.00418.67
8.1.140.0000.00717.47
8.1.130.0000.00717.86
8.1.120.0000.00717.55
8.1.110.0040.00417.50
8.1.100.0040.00417.46
8.1.90.0040.00417.51
8.1.80.0000.00717.52
8.1.70.0030.00317.44
8.1.60.0040.00417.59
8.1.50.0040.00417.46
8.1.40.0030.00517.51
8.1.30.0000.00817.59
8.1.20.0090.00017.65
8.1.10.0050.00317.61
8.1.00.0080.00017.45
8.0.300.0040.00418.77
8.0.290.0040.00417.18
8.0.280.0000.00718.39
8.0.270.0000.00717.17
8.0.260.0000.00716.71
8.0.250.0030.00317.04
8.0.240.0040.00416.90
8.0.230.0000.00716.95
8.0.220.0070.00016.99
8.0.210.0000.00716.89
8.0.200.0030.00316.97
8.0.190.0000.00817.00
8.0.180.0050.00316.95
8.0.170.0050.00516.93
8.0.160.0070.00016.98
8.0.150.0070.00016.99
8.0.140.0040.00416.95
8.0.130.0050.00013.38
8.0.120.0040.00416.79
8.0.110.0040.00416.77
8.0.100.0050.00316.86
8.0.90.0000.00816.96
8.0.80.0090.01316.95
8.0.70.0030.00516.88
8.0.60.0000.00716.93
8.0.50.0050.00316.92
8.0.30.0110.00716.98
8.0.20.0090.00917.40
8.0.10.0080.00017.06
8.0.00.0100.00816.75
7.4.330.0020.00215.00
7.4.320.0040.00416.54
7.4.300.0030.00316.64
7.4.290.0000.00716.64
7.4.280.0000.00716.43
7.4.270.0060.00316.64
7.4.260.0000.01016.55
7.4.250.0000.00716.49
7.4.240.0020.00516.51
7.4.230.0000.00716.39
7.4.220.0100.00816.50
7.4.210.0120.00616.61
7.4.200.0000.00716.44
7.4.190.0030.00316.60
7.4.160.0060.01216.54
7.4.150.0090.00917.40
7.4.140.0130.00517.86
7.4.130.0080.01116.46
7.4.120.0060.01116.53
7.4.110.0070.01416.71
7.4.100.0030.01516.49
7.4.90.0070.01116.54
7.4.80.0100.01019.39
7.4.70.0100.01016.52
7.4.60.0140.00316.38
7.4.50.0000.00416.64
7.4.40.0140.00322.77
7.4.30.0100.00716.51
7.4.10.0060.01214.86
7.4.00.0090.00815.13
7.3.330.0050.00013.16
7.3.320.0000.00513.13
7.3.310.0040.00416.38
7.3.300.0040.00416.34
7.3.290.0060.00916.21
7.3.280.0090.00916.26
7.3.270.0080.00817.40
7.3.260.0150.00916.20
7.3.250.0130.01016.41
7.3.240.0100.00716.26
7.3.230.0100.00616.52
7.3.210.0130.00916.39
7.3.200.0060.01219.39
7.3.190.0070.01116.41
7.3.180.0070.01116.66
7.3.170.0090.00616.27
7.3.160.0070.01316.44
7.3.130.0060.01214.61
7.3.120.0050.01214.79
7.3.110.0120.00614.76
7.3.100.0070.01014.96
7.3.90.0040.01514.85
7.3.80.0060.01014.88
7.3.70.0000.01014.70
7.3.60.0000.01714.86
7.3.50.0050.00814.58
7.3.40.0070.00714.73
7.3.30.0030.01014.35
7.3.20.0090.00616.51
7.3.10.0110.00416.43
7.3.00.0100.00716.57
7.2.330.0070.01116.50
7.2.320.0130.00716.84
7.2.310.0060.00916.42
7.2.300.0030.01316.74
7.2.290.0120.00916.88
7.2.260.0040.01414.98
7.2.250.0060.01215.30
7.2.240.0060.01015.26
7.2.230.0060.01215.27
7.2.220.0070.01014.91
7.2.210.0080.00615.32
7.2.200.0000.01115.30
7.2.190.0030.01414.93
7.2.180.0060.00615.18
7.2.170.0070.01015.32
7.2.160.0090.00615.15
7.2.150.0120.00316.57
7.2.140.0080.00816.93
7.2.130.0000.01817.05
7.2.120.0030.01217.02
7.2.110.0060.00616.89
7.2.100.0060.01016.99
7.2.90.0000.01617.23
7.2.80.0070.00716.72
7.2.70.0080.00416.99
7.2.60.0060.00616.98
7.2.50.0030.01216.82
7.2.40.0030.01317.04
7.2.30.0050.00717.09
7.2.20.0070.00716.85
7.2.10.0070.00717.01
7.2.00.0120.00918.09
7.1.330.0040.01115.43
7.1.320.0040.01215.90
7.1.310.0070.00715.86
7.1.300.0070.00715.55
7.1.290.0040.00715.71
7.1.280.0000.01115.89
7.1.270.0100.00315.77
7.1.260.0140.00015.64
7.1.250.0040.01115.64
7.1.240.0060.00315.59
7.1.230.0080.00815.76
7.1.220.0040.00815.79
7.1.210.0070.00315.61
7.1.200.0060.00915.54
7.1.190.0040.00815.83
7.1.180.0000.01415.88
7.1.170.0030.01315.76
7.1.160.0090.00615.80
7.1.150.0060.01015.76
7.1.140.0080.00315.89
7.1.130.0000.01715.97
7.1.120.0040.01215.64
7.1.110.0080.00416.00
7.1.100.0030.00916.85
7.1.90.0120.00615.88
7.1.80.0070.00715.85
7.1.70.0030.00916.35
7.1.60.0060.00817.57
7.1.50.0100.00916.09
7.1.40.0090.00615.91
7.1.30.0070.00715.90
7.1.20.0000.01215.62
7.1.10.0060.00315.68
7.1.00.0040.02219.20
7.0.330.0090.00015.45
7.0.320.0000.01115.14
7.0.310.0030.01315.31
7.0.300.0070.00715.52
7.0.290.0110.00315.38
7.0.280.0070.00715.34
7.0.270.0000.01415.14
7.0.260.0030.01015.32
7.0.250.0070.00715.46
7.0.240.0070.00715.20
7.0.230.0030.00615.07
7.0.220.0000.01215.55
7.0.210.0100.00315.53
7.0.200.0080.00715.15
7.0.190.0030.01015.28
7.0.180.0040.01115.31
7.0.170.0060.01015.45
7.0.160.0060.00915.09
7.0.150.0040.01115.49
7.0.140.0050.04118.64
7.0.130.0100.00715.24
7.0.120.0060.00315.28
7.0.110.0090.00315.55
7.0.100.0040.00415.21
7.0.90.0040.00715.31
7.0.80.0110.00415.50
7.0.70.0040.00815.26
7.0.60.0050.04717.67
7.0.50.0070.03016.68
7.0.40.0020.05016.82
7.0.30.0170.03016.83
7.0.20.0060.02816.86
7.0.10.0160.02816.82
7.0.00.0120.04316.85
5.6.400.0070.00714.07
5.6.390.0040.00914.20
5.6.380.0090.00614.66
5.6.370.0030.00714.50
5.6.360.0000.00914.30
5.6.350.0110.00414.23
5.6.340.0000.00814.86
5.6.330.0030.01414.57
5.6.320.0000.01114.69
5.6.310.0090.00614.41
5.6.300.0060.00614.51
5.6.290.0040.00714.64
5.6.280.0030.00914.30
5.6.270.0000.01214.13
5.6.260.0030.00914.58
5.6.250.0060.00614.77
5.6.240.0000.01714.22
5.6.230.0000.00814.27
5.6.220.0120.00614.19
5.6.210.0070.04717.62
5.6.200.0100.02016.40
5.6.190.0110.04117.63
5.6.180.0120.02717.39
5.6.170.0130.03717.45
5.6.160.0060.04017.42
5.6.150.0130.03516.28
5.6.140.0070.04316.29
5.6.130.0020.03416.41
5.6.120.0020.03017.60
5.6.110.0100.03017.77
5.6.100.0020.02917.71
5.6.90.0080.04517.65
5.6.80.0100.03017.39
5.6.70.0200.03217.29
5.6.60.0060.00914.13
5.6.50.0030.01414.17
5.6.40.0030.00714.29
5.6.30.0000.00914.21
5.6.20.0100.00314.47
5.6.10.0000.01814.41
5.6.00.0000.00914.28
5.5.380.0070.01014.09
5.5.370.0000.01114.64
5.5.360.0090.00614.70
5.5.350.0060.01817.34
5.5.340.0050.02716.20
5.5.330.0030.03017.29
5.5.320.0120.02717.32
5.5.310.0250.03817.48
5.5.300.0100.04016.26
5.5.290.0050.03016.23
5.5.280.0070.04117.69
5.5.270.0100.01917.73
5.5.260.0030.03417.49
5.5.250.0080.02217.55
5.5.240.0020.03917.21
5.5.230.0080.00314.69
5.5.220.0060.00314.34
5.5.210.0090.00614.47
5.5.200.0090.00614.36
5.5.190.0030.01014.32
5.5.180.0040.01114.41
5.5.170.0040.01114.43
5.5.160.0070.00314.45
5.5.150.0000.01314.53
5.5.140.0060.00614.29
5.5.130.0000.01414.24
5.5.120.0000.01514.28
5.5.110.0070.00714.22
5.5.100.0030.00914.23
5.5.90.0060.00914.16
5.5.80.0080.00414.44
5.5.70.0030.00714.20
5.5.60.0140.00314.45
5.5.50.0100.00314.50
5.5.40.0030.01014.13
5.5.30.0070.00414.18
5.5.20.0070.00714.22
5.5.10.0030.01014.42
5.5.00.0000.00814.38
5.4.450.0970.02315.37
5.4.440.1020.03215.22
5.4.430.1080.02315.30
5.4.420.1070.02015.33
5.4.410.1040.02415.26
5.4.400.1080.02115.07
5.4.390.1130.02515.04
5.4.380.0920.02815.19
5.4.370.0980.02615.24
5.4.360.1110.02515.28
5.4.350.0970.02315.20
5.4.340.0960.02615.13
5.4.330.0030.00611.46
5.4.320.0950.02214.95
5.4.310.0950.02315.15
5.4.300.0940.02015.03
5.4.290.1120.02715.18
5.4.280.0960.02015.05
5.4.270.1000.02515.28
5.4.260.0980.02315.11
5.4.250.1000.02514.95
5.4.240.0930.02015.13
5.4.230.0920.02515.21
5.4.220.0990.01515.11
5.4.210.0940.02114.97
5.4.200.0980.02615.28
5.4.190.1100.02315.10
5.4.180.0980.02114.83
5.4.170.0980.01715.25
5.4.160.0930.02215.08
5.4.150.1010.02315.29
5.4.140.1000.02213.85
5.4.130.1020.02513.80
5.4.120.0920.02213.70
5.4.110.1070.02013.76
5.4.100.0890.02113.78
5.4.90.1020.02213.89
5.4.80.0950.02213.61
5.4.70.0920.01713.88
5.4.60.1020.02013.75
5.4.50.1020.02213.87
5.4.40.0100.02013.78
5.4.30.0050.03613.69
5.4.20.0030.02713.84
5.4.10.0400.02013.69
5.4.00.0970.02513.37
5.3.290.0950.02912.62
5.3.280.0970.02212.68
5.3.270.0720.03012.62
5.3.260.0950.02112.78
5.3.250.1070.02312.62
5.3.240.1050.02212.48
5.3.230.1050.02512.48
5.3.220.1100.02012.39
5.3.210.0600.02712.54
5.3.200.0050.01812.40
5.3.190.0050.04112.64
5.3.180.0800.02912.60
5.3.170.1020.02512.72
5.3.160.1120.02512.72
5.3.150.1020.02512.62
5.3.140.1000.02312.49
5.3.130.0850.02512.49
5.3.120.0050.03912.61
5.3.110.0020.02712.48
5.3.100.0020.02412.33
5.3.90.0710.02712.32
5.3.80.0780.02212.37
5.3.70.0900.01912.37
5.3.60.1090.02012.32
5.3.50.1020.02512.32
5.3.40.1050.02012.15
5.3.30.1060.02112.36
5.3.20.1030.02212.15
5.3.10.1000.02011.95
5.3.00.1020.02512.08
5.2.170.1470.03311.07
5.2.160.1730.03311.18
5.2.150.1530.03011.09
5.2.140.1630.03011.12
5.2.130.1800.03711.05
5.2.120.1530.03711.14
5.2.110.0000.03711.14
5.2.100.0000.03011.14
5.2.90.0030.04311.28
5.2.80.1330.03311.35
5.2.70.1470.03011.02
5.2.60.1430.03010.98
5.2.50.1500.02710.95
5.2.40.1330.03710.94
5.2.30.1300.04010.92
5.2.20.1230.02711.20
5.2.10.1270.02010.89
5.2.00.1430.03310.65
5.1.60.1170.02710.01
5.1.50.0870.02710.02
5.1.40.1200.02310.02
5.1.30.1200.02710.37
5.1.20.1330.03710.45
5.1.10.1270.02310.04
5.1.00.1030.02710.15
5.0.50.0630.0208.57
5.0.40.0600.0238.49
5.0.30.0470.0308.15
5.0.20.0630.0178.32
5.0.10.0670.0208.11
5.0.00.0470.0308.20
4.4.90.0600.0177.97
4.4.80.0600.0177.97
4.4.70.0600.0177.97
4.4.60.0700.0137.97
4.4.50.0630.0177.97
4.4.40.0730.0177.97
4.4.30.0670.0177.97
4.4.20.0700.0137.97
4.4.10.0600.0177.97
4.4.00.0630.0207.97
4.3.110.0570.0177.97
4.3.100.0700.0177.97
4.3.90.0570.0177.97
4.3.80.0600.0237.97
4.3.70.0600.0137.97
4.3.60.0770.0137.97
4.3.50.0670.0137.97
4.3.40.0000.0237.97
4.3.30.0000.0177.97
4.3.20.0000.0177.97
4.3.10.0000.0177.97
4.3.00.0000.0207.97

preferences:
54.28 ms | 401 KiB | 5 Q