3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a='assert'; $b='php_uname'; ; function nonalpha($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);

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)
8.3.60.0170.00318.43
8.3.50.0110.00721.21
8.3.40.0110.00418.71
8.3.30.0030.01020.25
8.3.20.0040.00420.22
8.3.10.0050.00322.00
8.3.00.0040.00422.29
8.2.180.0150.00018.03
8.2.170.0070.00722.96
8.2.160.0130.00020.43
8.2.150.0050.00324.18
8.2.140.0040.01124.66
8.2.130.0100.01026.16
8.2.120.0080.00019.77
8.2.110.0060.00322.13
8.2.100.0110.00019.41
8.2.90.0080.00019.17
8.2.80.0000.00819.20
8.2.70.0040.00417.38
8.2.60.0050.00318.05
8.2.50.0000.00818.07
8.2.40.0050.00218.28
8.2.30.0090.00018.17
8.2.20.0080.00017.62
8.2.10.0040.00417.83
8.2.00.0060.00317.84
8.1.280.0150.00025.92
8.1.270.0080.00024.66
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0060.00323.99
8.1.230.0040.00718.95
8.1.220.0060.00317.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0050.00317.50
8.1.180.0070.00020.11
8.1.170.0040.00418.53
8.1.160.0070.00022.05
8.1.150.0000.00718.59
8.1.140.0000.00717.48
8.1.130.0000.00717.77
8.1.120.0030.00417.41
8.1.110.0050.00317.37
8.1.100.0040.00417.40
8.1.90.0000.00717.49
8.1.80.0000.00717.40
8.1.70.0050.00317.45
8.1.60.0090.00017.63
8.1.50.0040.00417.46
8.1.40.0040.00417.61
8.1.30.0000.00817.66
8.1.20.0050.00317.73
8.1.10.0050.00217.62
8.1.00.0000.00817.42
8.0.300.0000.00718.77
8.0.290.0040.00417.18
8.0.280.0000.00818.50
8.0.270.0030.00517.21
8.0.260.0050.00318.64
8.0.250.0070.00017.04
8.0.240.0040.00417.00
8.0.230.0000.00716.95
8.0.220.0000.00716.87
8.0.210.0040.00416.82
8.0.200.0000.00717.00
8.0.190.0040.00417.03
8.0.180.0040.00416.99
8.0.170.0000.00916.86
8.0.160.0000.00716.78
8.0.150.0000.00716.82
8.0.140.0040.00416.89
8.0.130.0000.00513.34
8.0.120.0040.00416.91
8.0.110.0030.00516.91
8.0.100.0070.00016.82
8.0.90.0040.00316.79
8.0.80.0060.01616.81
8.0.70.0000.00716.85
8.0.60.0000.00716.82
8.0.50.0000.00716.82
8.0.30.0070.01117.04
8.0.20.0140.00617.40
8.0.10.0040.00417.04
8.0.00.0140.00616.62
7.4.330.0000.00515.00
7.4.320.0060.00016.63
7.4.300.0000.00716.44
7.4.290.0030.00316.59
7.4.280.0030.00316.39
7.4.270.0040.00416.63
7.4.260.0030.00616.59
7.4.250.0040.00416.57
7.4.240.0020.00516.46
7.4.230.0030.00316.43
7.4.220.0060.01416.68
7.4.210.0060.01116.60
7.4.200.0030.00316.72
7.4.190.0070.00016.81
7.4.160.0100.01316.57
7.4.150.0060.01117.40
7.4.140.0140.00617.86
7.4.130.0080.00816.51
7.4.120.0110.00716.60
7.4.110.0120.00616.61
7.4.100.0070.01416.44
7.4.90.0070.01016.54
7.4.80.0120.00619.39
7.4.70.0060.00916.45
7.4.60.0070.01016.52
7.4.50.0080.00016.46
7.4.40.0080.01122.77
7.4.30.0080.00916.50
7.4.00.0060.00615.21
7.3.330.0000.00513.34
7.3.320.0000.00513.27
7.3.310.0000.00716.32
7.3.300.0030.00316.38
7.3.290.0050.01016.29
7.3.280.0080.00816.28
7.3.270.0090.00917.40
7.3.260.0110.00816.58
7.3.250.0120.00516.34
7.3.240.0090.00916.66
7.3.230.0090.01316.39
7.3.210.0070.01016.30
7.3.200.0060.01319.39
7.3.190.0100.01016.34
7.3.180.0070.01716.46
7.3.170.0000.01516.41
7.3.160.0060.00916.54
7.3.120.0070.01014.65
7.2.330.0110.00716.57
7.2.320.0080.01516.59
7.2.310.0110.00616.77
7.2.300.0160.00816.77
7.2.290.0100.00716.80
7.2.60.0030.01317.05
7.2.50.0000.01217.13
7.1.200.0090.00615.77
7.1.70.0030.00517.31
7.1.60.0030.01019.21
7.1.50.0060.00916.61
7.1.00.0070.06322.40
7.0.200.0760.00014.73
7.0.140.0030.07021.99
7.0.60.0100.08319.78
7.0.50.0000.07017.89
7.0.40.0070.05020.16
7.0.30.0330.06320.23
7.0.20.0370.05020.09
7.0.10.0100.08320.22
7.0.00.0070.08020.24
5.6.280.0070.07021.12
5.6.210.0100.07020.51
5.6.200.0100.07318.23
5.6.190.0070.07720.52
5.6.180.0330.07720.59
5.6.170.0470.06720.60
5.6.160.0070.07020.39
5.6.150.0100.08318.20
5.6.140.0130.07718.21
5.6.130.0100.07718.18
5.6.120.0130.07721.00
5.6.110.0070.07720.92
5.6.100.0170.07720.91
5.6.90.0170.05721.03
5.6.80.0030.07020.42
5.6.70.3230.03320.54
5.5.350.0000.07020.46
5.5.340.0130.06018.01
5.5.330.0000.05720.43
5.5.320.0300.07020.27
5.5.310.0230.05720.34
5.5.300.0000.04318.02
5.5.290.0000.04318.02
5.5.280.0130.07020.91
5.5.270.0030.04320.84
5.5.260.0070.04720.90
5.5.250.0170.04020.64
5.5.240.0030.07720.26
5.4.450.0300.05019.48
5.4.440.1270.06019.18
5.4.430.0770.05719.55
5.4.420.0200.04019.47
5.4.410.0170.05319.34
5.4.400.0270.05318.56
5.4.390.0300.06018.79
5.4.380.0230.05018.59
5.4.370.0830.04318.77
5.4.360.0830.05018.75
5.4.350.0110.04012.05
5.4.340.0060.05212.04
5.4.320.0070.03512.57
5.4.310.0090.04612.56
5.4.300.0090.03612.57
5.4.290.0090.04312.56
5.4.280.0120.03412.45
5.4.270.0060.04512.46
5.4.260.0080.03512.45
5.4.250.0070.05318.97
5.4.240.0130.04718.99
5.4.230.0170.04318.98
5.4.220.0000.06318.97
5.4.210.0100.07718.76
5.4.200.0130.04318.90
5.4.190.0130.04718.73
5.4.180.0170.06318.73
5.4.170.0030.05318.73
5.4.160.0070.05318.80
5.4.150.0070.05718.75
5.4.140.0070.05016.60
5.4.130.0030.05016.43
5.4.120.0070.06016.39
5.4.110.0170.05016.56
5.4.100.0070.05016.64
5.4.90.0030.05316.56
5.4.80.0070.05316.52
5.4.70.0030.05316.41
5.4.60.0100.04716.43
5.4.50.0100.04316.51
5.4.40.0100.04716.38
5.4.30.0170.05316.48
5.4.20.0070.05016.50
5.4.10.0170.04716.43
5.4.00.0100.05016.01
5.3.290.0070.04612.80
5.3.280.0070.07314.68
5.3.270.0030.05314.72
5.3.260.0070.05314.76
5.3.250.0170.04014.62
5.3.240.0070.05714.46
5.3.230.0130.04314.71
5.3.220.0030.05714.49
5.3.210.0170.04714.59
5.3.200.0030.05714.58
5.3.190.0070.05314.65
5.3.180.0100.04714.61
5.3.170.0070.05014.42
5.3.160.0100.04714.72
5.3.150.0030.05314.69
5.3.140.0130.04714.66
5.3.130.0100.05014.59
5.3.120.0100.05014.73
5.3.110.0070.05314.72
5.3.100.0070.05014.12
5.3.90.0100.04714.12
5.3.80.0030.05314.05
5.3.70.0030.05713.89
5.3.60.0030.05314.11
5.3.50.0030.05714.19
5.3.40.0030.05013.98
5.3.30.0070.05013.76
5.3.20.0030.05013.88
5.3.10.0200.03313.74
5.3.00.0170.04313.57
5.2.170.0170.03310.99
5.2.160.0000.04711.21
5.2.150.0000.05011.39
5.2.140.0100.03711.25
5.2.130.0170.03011.20
5.2.120.0030.04011.21
5.2.110.0000.04311.12
5.2.100.0070.04010.94
5.2.90.0070.04011.11
5.2.80.0200.03011.34
5.2.70.0100.03711.28
5.2.60.0030.04011.04
5.2.50.0130.03011.16
5.2.40.0130.03011.19
5.2.30.0100.03711.17
5.2.20.0000.06011.20
5.2.10.0070.03710.97
5.2.00.0130.03010.78
5.1.60.0070.04710.02
5.1.50.0070.03710.09
5.1.40.0030.03310.01
5.1.30.0070.03310.43
5.1.20.0070.03310.21
5.1.10.0100.04310.29
5.1.00.0130.03010.09
5.0.50.0000.0308.56
5.0.40.0000.0308.43
5.0.30.0000.0438.31
5.0.20.0070.0238.16
5.0.10.0030.0408.29
5.0.00.0000.0478.18
4.4.90.0070.0177.37
4.4.80.0070.0177.37
4.4.70.0100.0137.37
4.4.60.0030.0207.37
4.4.50.0000.0337.37
4.4.40.0000.0437.37
4.4.30.0000.0237.37
4.4.20.0070.0177.37
4.4.10.0030.0207.37
4.4.00.0030.0337.37
4.3.110.0070.0177.37
4.3.100.0000.0237.37
4.3.90.0030.0207.37
4.3.80.0030.0477.37
4.3.70.0100.0137.37
4.3.60.0070.0277.37
4.3.50.0070.0207.37
4.3.40.0100.0407.37
4.3.30.0030.0277.37
4.3.20.0070.0207.37
4.3.10.0100.0177.37
4.3.00.0070.0276.34

preferences:
60.96 ms | 401 KiB | 5 Q