3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo(str_trim(''a'=['a'=['r'=['d'=['v'=['a'=['r'=['k/']]],'w'=['o'=['l'=['f/']]]]'o'=['n/']]],'b'=['a'=['c'=['k/','u' = [ 's/' ] ], 'f' = [ 't/' ], 'l' = [ 'o' = [ 'n' = [ 'e/' ] ] ], 'n' = [ 'd' = [ 'o' = [ 'n\' = [ 'e' = [ 'd/' ], 'm' = [ 'e' = [ 'n' = [ 't/' ] ] ], 's/' ] ] ] ], 's' = [ 'e/' = [ 'd/', 'm' = [ 'e' = [ 'n' = [ 't/' ] ] ] ], 'h/' = [ 'e' = [ 'd/' ] ] ] 't' = [ 'e/' = [ 'd/', 'm' = [ 'e' = [ 'n' = [ 't/' ] ] ], 's/', ], 't' = [ 'o' = [ 'i' = [ 'r/' = [ 's/' ] ] ] ] ] ], 'b' = [ 'e/' = [ 's' = [ 's/' ], 'y/' = [ 's/' ] ], 'o' = [ 't/' = [ 's/' ] ], 'r' = [ 'e' = [ 'v' = [ 'i' = [ 'a' = [ 't' = [ 'e/' = [ 'd/', 's/' ], 'i' = [ 'n' = [ 'g/' ], 'o' = [ 'n/' = [ 's/' ] ] ] ] ] ] ] ] ] ], 'd' = [ 'i' = [ 'c' = [ 'a'= [ 't' = [ 'e/' = [ 'd/', 's/' ], 'i' = [ 'n' = [ 'g/' ], 'o' = [ 'n/' ] ] ] ] ] ], 'o' = [ 'm' = [ 'e' = [ 'n/' = [ 's/' ] ] 'i' = [ 'n' = [ 'a' = [ 'l/' ] ] ] ] ], 'u' = [ 'c' = [ 't/' = [ 'e' = [ 'd/' ], 'i' = [ 'n' = [ 'g/' ], 'o' = [ 'n/' = [ 's/' ] ] ], 'o' = [ 'r/' = [ 's/' ] ], 's/' ] ] ] ] 'e/' = [ 'a' = [ 'm/' ], 'l/' = [ 'e/' ], 'r' = [ 'd' = [ 'e' = [ 'e' = [ 'n/' ] ] ], 'r'= [ 'a' = [ 'n' = [ 't/' ], 't' = [ 'i' = [ 'o' = [ 'n/' = [ 's/' ] ] ] ] ] ] ], 't/' = [ 's/', 't' = [ 'e' = [ 'd/' ], 'i' = [ 'n' = [ 'g/' ] ] ] ], 'y' = [ 'a' = [ 'n' = [ 'c' = [ 'e/' ] ] ] ] ], 'h' = [ 'o' = [ 'r/' = [ 'r' = [ 'e' = [ 'd/', 'n' = [ 'c' = [ 'e/' ], 't/' ] ] ], 's/' ] ] ], 'i' = [ 'd' = [ 'e/' = [ 'd/', 's/' ], 'i' = [ 'n' = [ 'g/' ] ], 'j' = [ 'a' = [ 'n/' ] ] ], 'e' = [ 's/' ], 'l' = [ 'i' = [ 't' = [ 'i' = [ 'e' = [ 's/' ] ], 'y/' ] ] ] ], 'j' = [ 'e' = [ 'c' = [ 't/' = [ 'l' = [ 'y/' ] ] ] ], 'u' = [ 'r' = [ 'e/' = [ 'd/' ] ] ] ], 'l' = [ 'a' = [ 't' = [ 'e/' = [ 's/' ], 'i' = [ 'n' = [ 'g/' ], 'o' = [ 'n/' ], 'v' = [ 'e/' ] ] ] 'z' = [ 'e/' ] ], 'e/' = [ 'b' = [ 'o' = [ 'd' = [ 'i' = [ 'e' = [ 'd/' ] ] ] ] ], 'r/', 's' = [ 't/' ] ], 'o' = [ 'o' = [ 'm/' ] ], 'u' = [ 't' = [ 'i' = [ 'o' = [ 'n/' = [ 's/' ] ] ] ] ], 'y/' ], 'n' = [ 'e' = [ 'g' = [ 'a' = [ 't' = [ 'i' = [ 'o' = [ 'n/' ] ] ] ] ] ], 'o' = [ 'r' = [ 'm' = [ 'a' = [ 'l/ = [ 'i' = [ 't' = [ 'i' = [ 'e' = [ 's/' ] ], 'y/' ] ], 'l' = [ 'y/' ] ] ] ] ] ] ], 'o' = [ 'a' = [ 'r' = [ 'd/' ] ], 'd'= [ 'e/' = [ 's/' ] ], 'l' = [ 'i' = [ 's' = [ 'h/' = [ 'e' = [ 'd/', 's/' ], 'i' = [ 'n' = [ 'g/' ] ] ] ], 't' = [ 'i' = [ 'o' = [ 'n/' = [ 'i' = [ 's' = [ 't/' = [ 's/' ] ] ] ] ] ] ] ] ], 'm' = [ 'b/', 'i' = [ 'n' = [ 'a' = [ 'b' = [ 'l' = [ 'e/', 'y/' ] ], 't' = [ 'e/' = [ 'd/' ] 'i' = [ 'o' = [ 'n/' = [ 's/' ] ] ] ] ] ] ] ], 'r' = [ 'i' = [ 'g' = [ 'i' = [ 'n' = [ 'a' = [ 'l/' ], 'e' = [ 's/' ] ] ] ] ], 't/' = [ 'e' = [ 'd/' ], 'i' = [ 'n' = [ 'g/' ], 'o' = [ 'n/' = [ 'i' = [ 's' = [ 't/' = [ 's/' ] ] ], 's/' ] ], 'v' = [ 'e/' ] ], 's/' ] ], 'u' = [ 'n' = [ 'd/' = [ 'e' = [ 'd/' ], 'i' = [ 'n' = [ 'g/' ] ], 's/' ] ], 't/' ], 'v' = [ 'e'/ ] ], 'r' = [ 'a' = [ 'd'= [ 'e' = [ 'd/' ] ], 'h' = [ 'a' = [ 'm/' ] ], 's' = [ 'i' = [ 'o' = [ 'n/' = [ 's/' ] ], 'v' = [ 'e/' = [ 'l' = [ 'y/' ] 'n' = [ 'e' = [ 's' = [ 's/' ] ] ], 's/' ] ] ] ] ], 'e' = [ 'a' = [ 's' = [ 't/' ] ] ] 'i' = [ 'd' = [ 'g' = [ 'e/' = [ 'd/', 'm' = [ 'e' = [ 'n' = [ 't/' ] ] ] ], 'i' = [ 'n' = [ 'g/' ] ] ] ] ], 'o' = [ 'a' = [ 'd/' ], 'g' = [ 'a' = [ 't' = [ 'e/' = [ 'd/' ], 'i' = [ 'n' = [ 'g/' ], 'o' = [ 'n/' = [ 's/' ] ] ] ] ] ] ], 'u' = [ 'p' = [ 't/' = [ 'l' = [ 'y/' ], 'n' = [ 'e' = [ 's' = [ 's/' ] ] ] ] ] ] ],');

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)
5.4.320.0050.04012.49
5.4.310.0060.04212.49
5.4.300.0040.03812.50
5.4.290.0070.04212.49
5.4.280.0050.03512.39
5.4.270.0040.03712.39
5.4.260.0050.03812.39
5.4.250.0050.03712.39
5.4.240.0020.03912.39
5.4.230.0070.03512.38
5.4.220.0080.03312.38
5.4.210.0020.03812.38
5.4.200.0060.03612.38
5.4.190.0040.04112.38
5.4.180.0060.04412.38
5.4.170.0060.03512.39
5.4.160.0050.04112.38
5.4.150.0100.03612.38
5.4.140.0030.03812.07
5.4.130.0040.04312.05
5.4.120.0060.04012.02
5.4.110.0050.04012.01
5.4.100.0030.04112.01
5.4.90.0040.04212.02
5.4.80.0020.04912.01
5.4.70.0040.03512.01
5.4.60.0050.03712.00
5.4.50.0040.03512.00
5.4.40.0070.03212.00
5.4.30.0050.03511.99
5.4.20.0030.04511.99
5.4.10.0060.04211.99
5.4.00.0070.05111.48
5.3.290.0060.03912.80
5.3.280.0070.03912.71
5.3.270.0050.04512.72
5.3.260.0050.04312.72
5.3.250.0040.04812.72
5.3.240.0050.04512.72
5.3.230.0010.04112.70
5.3.220.0040.03812.68
5.3.210.0070.04312.68
5.3.200.0060.03412.68
5.3.190.0070.03512.68
5.3.180.0070.03312.68
5.3.170.0070.03412.67
5.3.160.0040.03712.67
5.3.150.0070.03512.67
5.3.140.0060.03412.66
5.3.130.0060.04612.66
5.3.120.0060.03712.66
5.3.110.0060.03812.66
5.3.100.0080.04712.12
5.3.90.0070.05012.08
5.3.80.0070.04312.08
5.3.70.0050.03612.07
5.3.60.0060.03512.06
5.3.50.0090.03212.00
5.3.40.0060.03612.00
5.3.30.0070.03511.95
5.3.20.0050.03711.73
5.3.10.0070.03311.70
5.3.00.0050.03611.68
5.2.170.0060.0299.19
5.2.160.0040.0299.19
5.2.150.0050.0299.19
5.2.140.0070.0269.19
5.2.130.0020.0309.14
5.2.120.0050.0279.15
5.2.110.0070.0269.15
5.2.100.0040.0289.15
5.2.90.0040.0299.15
5.2.80.0050.0299.14
5.2.70.0020.0329.15
5.2.60.0030.0319.10
5.2.50.0030.0309.07
5.2.40.0090.0359.04
5.2.30.0070.0449.02
5.2.20.0070.0249.01
5.2.10.0030.0398.93
5.2.00.0060.0268.79
5.1.60.0030.0248.07
5.1.50.0040.0248.07
5.1.40.0030.0258.05
5.1.30.0050.0258.41
5.1.20.0040.0298.42
5.1.10.0020.0288.15
5.1.00.0070.0238.14
5.0.50.0040.0196.63
5.0.40.0020.0206.48
5.0.30.0020.0326.30
5.0.20.0050.0176.27
5.0.10.0050.0236.25
5.0.00.0050.0426.24
4.4.90.0010.0174.78
4.4.80.0030.0154.76
4.4.70.0010.0204.76
4.4.60.0030.0164.75
4.4.50.0030.0154.77
4.4.40.0030.0334.71
4.4.30.0060.0174.76
4.4.20.0040.0234.85
4.4.10.0010.0164.85
4.4.00.0010.0264.76
4.3.110.0040.0144.67
4.3.100.0040.0244.67
4.3.90.0040.0214.64
4.3.80.0020.0334.58
4.3.70.0040.0134.63
4.3.60.0020.0154.63
4.3.50.0030.0154.63
4.3.40.0020.0354.54
4.3.30.0010.0193.29
4.3.20.0010.0163.27
4.3.10.0020.0193.23
4.3.00.0000.01715.97
preferences:
143.45 ms | 1394 KiB | 7 Q