3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo(str_replace(" ", "","'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)
8.3.60.0140.00416.35
8.3.50.0110.00822.85
8.3.40.0110.00418.45
8.3.30.0080.00619.14
8.3.20.0030.00620.20
8.3.10.0050.00323.61
8.3.00.0040.00417.50
8.2.180.0060.00916.75
8.2.170.0150.00022.96
8.2.160.0030.01020.43
8.2.150.0050.00324.18
8.2.140.0000.00824.66
8.2.130.0110.00726.16
8.2.120.0040.00421.09
8.2.110.0030.00619.08
8.2.100.0070.00417.72
8.2.90.0090.00019.09
8.2.80.0040.00417.97
8.2.70.0050.00317.63
8.2.60.0060.00317.80
8.2.50.0030.00618.07
8.2.40.0000.00818.22
8.2.30.0030.00518.09
8.2.20.0040.00417.54
8.2.10.0040.00417.96
8.2.00.0040.00417.59
8.1.280.0110.00425.92
8.1.270.0060.00323.83
8.1.260.0000.00726.35
8.1.250.0070.00728.09
8.1.240.0030.00622.34
8.1.230.0070.00420.98
8.1.220.0060.00317.74
8.1.210.0040.00418.77
8.1.200.0030.00717.23
8.1.190.0080.00017.10
8.1.180.0000.00818.10
8.1.170.0000.00818.59
8.1.160.0070.00022.04
8.1.150.0040.00418.76
8.1.140.0000.00817.37
8.1.130.0000.00817.80
8.1.120.0000.00717.27
8.1.110.0040.00417.27
8.1.100.0040.00417.27
8.1.90.0000.00717.29
8.1.80.0040.00417.27
8.1.70.0000.00717.36
8.1.60.0030.00617.44
8.1.50.0050.00317.49
8.1.40.0000.00817.45
8.1.30.0030.00617.41
8.1.20.0060.00317.50
8.1.10.0050.00317.40
8.1.00.0000.00817.47
8.0.300.0080.00018.77
8.0.290.0070.00016.63
8.0.280.0000.00818.46
8.0.270.0040.00417.14
8.0.260.0040.00417.22
8.0.250.0000.00816.81
8.0.240.0060.00316.91
8.0.230.0040.00416.72
8.0.220.0040.00416.80
8.0.210.0070.00016.77
8.0.200.0000.00716.88
8.0.190.0060.00316.73
8.0.180.0000.00716.71
8.0.170.0040.00416.84
8.0.160.0000.00916.72
8.0.150.0040.00416.66
8.0.140.0000.00716.75
8.0.130.0000.00713.20
8.0.120.0030.00516.73
8.0.110.0030.00616.73
8.0.100.0000.00716.69
8.0.90.0000.00816.63
8.0.80.0030.01616.82
8.0.70.0030.00516.80
8.0.60.0040.00416.80
8.0.50.0070.00016.69
8.0.30.0080.01116.76
8.0.20.0050.01517.40
8.0.10.0030.00516.89
8.0.00.0080.01016.78
7.4.330.0030.00315.00
7.4.320.0060.00016.44
7.4.300.0040.00416.41
7.4.290.0000.00716.31
7.4.280.0030.00616.30
7.4.270.0000.00716.56
7.4.260.0000.00816.50
7.4.250.0000.00816.37
7.4.240.0020.00616.43
7.4.230.0030.00316.30
7.4.220.0170.00716.48
7.4.210.0090.00616.55
7.4.200.0050.00316.51
7.4.160.0080.00816.43
7.4.150.0120.00617.40
7.4.140.0120.00517.86
7.4.130.0090.01016.48
7.4.120.0080.00916.47
7.4.110.0160.00616.51
7.4.100.0140.00316.49
7.4.90.0000.01616.61
7.4.80.0090.00919.39
7.4.70.0120.00616.36
7.4.60.0060.01216.27
7.4.50.0030.00616.55
7.4.40.0100.00716.39
7.4.30.0080.00816.36
7.4.00.0030.01214.79
7.3.330.0000.00613.07
7.3.320.0050.00012.98
7.3.310.0000.00716.09
7.3.300.0040.00316.11
7.3.290.0110.00416.12
7.3.280.0080.00916.12
7.3.270.0090.00817.40
7.3.260.0150.01016.21
7.3.250.0170.00616.35
7.3.240.0090.00916.42
7.3.230.0160.00316.39
7.3.210.0090.00916.32
7.3.200.0140.00419.39
7.3.190.0060.01616.48
7.3.180.0120.00416.18
7.3.170.0060.00916.35
7.3.160.0000.01616.13
7.2.330.0170.00716.32
7.2.320.0070.01316.43
7.2.310.0090.01516.26
7.2.300.0120.00616.39
7.2.290.0170.00316.48
7.2.00.0260.00918.52
7.1.100.0030.00917.84
7.1.70.0020.00517.03
7.1.60.0110.00719.40
7.1.50.0120.01216.98
7.1.00.0030.07322.31
7.0.200.0040.00416.77
7.0.140.0000.07721.95
7.0.60.0070.06719.87
7.0.50.0070.06717.86
7.0.40.0100.07320.27
7.0.30.0600.06020.17
7.0.20.0330.07320.16
7.0.10.0100.06020.21
7.0.00.0000.09320.31
5.6.280.0100.07021.13
5.6.210.0130.03020.58
5.6.200.0130.08018.09
5.6.190.0030.05020.43
5.6.180.0200.06720.77
5.6.170.0270.05320.54
5.6.160.0100.05720.50
5.6.150.0100.03718.11
5.6.140.0100.03318.15
5.6.130.0130.07318.25
5.6.120.0030.04320.92
5.6.110.0070.08721.14
5.6.100.0130.07321.14
5.6.90.0070.04021.10
5.6.80.0130.06720.51
5.6.70.2800.03720.45
5.5.350.0270.07720.34
5.5.340.0070.03717.99
5.5.330.0030.04320.19
5.5.320.0370.07320.20
5.5.310.0200.06720.17
5.5.300.0000.05317.92
5.5.290.0130.06018.01
5.5.280.0130.06720.70
5.5.270.0070.07320.70
5.5.260.0130.04320.86
5.5.250.0170.05720.60
5.5.240.0300.08020.28
5.4.450.0800.06319.47
5.4.440.0870.05019.57
5.4.430.0800.06019.32
5.4.420.0130.05019.35
5.4.410.0200.04019.33
5.4.400.0170.04719.14
5.4.390.0200.04319.16
5.4.380.0030.06318.98
5.4.370.0070.05719.16
5.4.360.0130.05018.92
5.4.350.0100.05718.92
5.4.340.0130.04212.00
5.4.320.0020.04012.50
5.4.310.0060.03712.49
5.4.300.0020.04012.50
5.4.290.0090.03412.50
5.4.280.0060.03412.39
5.4.270.0070.03412.39
5.4.260.0080.03412.38
5.4.250.0100.03512.39
5.4.240.0060.03912.38
5.4.230.0060.03712.37
5.4.220.0060.03612.37
5.4.210.0030.04112.37
5.4.200.0070.04112.37
5.4.190.0040.03712.37
5.4.180.0080.03312.36
5.4.170.0050.03712.38
5.4.160.0040.03712.38
5.4.150.0060.03512.37
5.4.140.0050.04412.05
5.4.130.0030.03712.04
5.4.120.0070.03312.02
5.4.110.0050.03412.00
5.4.100.0070.03311.99
5.4.90.0060.03812.00
5.4.80.0090.03511.99
5.4.70.0030.03811.99
5.4.60.0080.03211.99
5.4.50.0090.03311.99
5.4.40.0060.03411.98
5.4.30.0040.04311.98
5.4.20.0110.03811.98
5.4.10.0070.03411.98
5.4.00.0060.04011.47
5.3.290.0040.04212.80
5.3.280.0070.04512.71
5.3.270.0060.04412.72
5.3.260.0050.03912.72
5.3.250.0050.03812.72
5.3.240.0040.04212.72
5.3.230.0100.03512.71
5.3.220.0050.03912.68
5.3.210.0080.04512.68
5.3.200.0090.03412.68
5.3.190.0080.03912.68
5.3.180.0080.03412.67
5.3.170.0040.03812.66
5.3.160.0050.04312.67
5.3.150.0070.03512.68
5.3.140.0070.03412.66
5.3.130.0070.03912.66
5.3.120.0080.03812.66
5.3.110.0070.03912.66
5.3.100.0050.03812.11
5.3.90.0070.03512.10
5.3.80.0100.03212.09
5.3.70.0050.03612.09
5.3.60.0060.03512.07
5.3.50.0100.03112.02
5.3.40.0050.03712.02
5.3.30.0090.03211.98
5.3.20.0040.03811.76
5.3.10.0040.03711.73
5.3.00.0020.04011.71
5.2.170.0050.0309.23
5.2.160.0050.0309.23
5.2.150.0040.0339.23
5.2.140.0060.0329.22
5.2.130.0050.0319.19
5.2.120.0030.0309.18
5.2.110.0040.0319.20
5.2.100.0060.0279.19
5.2.90.0030.0319.19
5.2.80.0030.0339.18
5.2.70.0030.0339.18
5.2.60.0020.0339.14
5.2.50.0020.0339.11
5.2.40.0060.0289.08
5.2.30.0080.0279.06
5.2.20.0050.0299.05
5.2.10.0070.0268.97
5.2.00.0030.0318.83
5.1.60.0050.0238.11
5.1.50.0050.0268.11
5.1.40.0030.0278.09
5.1.30.0070.0308.44
5.1.20.0090.0278.46
5.1.10.0030.0358.18
5.1.00.0070.0298.18
5.0.50.0020.0246.66
5.0.40.0070.0166.52
5.0.30.0030.0326.33
5.0.20.0060.0176.30
5.0.10.0030.0206.29
5.0.00.0050.0296.28
4.4.90.0030.0164.78
4.4.80.0040.0254.75
4.4.70.0020.0164.76
4.4.60.0040.0194.76
4.4.50.0030.0164.77
4.4.40.0060.0224.71
4.4.30.0020.0214.76
4.4.20.0010.0234.84
4.4.10.0040.0204.85
4.4.00.0030.0254.76
4.3.110.0030.0154.67
4.3.100.0040.0154.66
4.3.90.0040.0134.63
4.3.80.0040.0244.59
4.3.70.0020.0164.63
4.3.60.0020.0164.63
4.3.50.0040.0204.63
4.3.40.0060.0264.54
4.3.30.0020.0193.33
4.3.20.0000.0213.30
4.3.10.0020.0163.27
4.3.00.0070.0176.95
preferences:
39.32 ms | 401 KiB | 5 Q