3v4l.org

run code in 300+ PHP versions simultaneously
<?php $longAssString = 'backspace %08\ntab %09\nlinefeed %0A\ncreturn %0D\nspace %20\n! %21\n" %22\n# %23\n$ %24\n% %25\n& %26\n\' %27\n( %28\n) %29\n* %2A\n+ %2B\n, %2C\n- %2D\n. %2E\n/ %2F\n0 %30\n1 %31\n2 %32\n3 %33\n4 %34\n5 %35\n6 %36\n7 %37\n8 %38\n9 %39\n: %3A\n; %3B\n< %3C\n= %3D\n> %3E\n? %3F\n@ %40\nA %41\nB %42\nC %43\nD %44\nE %45\nF %46\nG %47\nH %48\nI %49\nJ %4A\nK %4B\nL %4C\nM %4D\nN %4E\nO %4F\nP %50\nQ %51\nR %52\nS %53\nT %54\nU %55\nV %56\nW %57\nX %58\nY %59\nZ %5A\n[ %5B\n\ %5C\n] %5D\n^ %5E\n_ %5F\n` %60\na %61\nb %62\nc %63\nd %64\ne %65\nf %66\ng %67\nh %68\ni %69\nj %6A\nk %6B\nl %6C\nm %6D\nn %6E\no %6F\np %70\nq %71\nr %72\ns %73\nt %74\nu %75\nv %76\nw %77\nx %78\ny %79\nz %7A\n{ %7B\n| %7C\n} %7D\n~ %7E\n¢ %A2\n£ %A3\n¥ %A5\n| %A6\n§ %A7\n« %AB\n¬ %AC\n¯ %AD\nº %B0\n± %B1\nª %B2\n, %B4\nµ %B5\n» %BB\n¼ %BC\n½ %BD\n¿ %BF\nÀ %C0\nÁ %C1\n %C2\nà %C3\nÄ %C4\nÅ %C5\nÆ %C6\nÇ %C7\nÈ %C8\nÉ %C9\nÊ %CA\nË %CB\nÌ %CC\nÍ %CD\nÎ %CE\nÏ %CF\nÐ %D0\nÑ %D1\nÒ %D2\nÓ %D3\nÔ %D4\nÕ %D5\nÖ %D6\nØ %D8\nÙ %D9\nÚ %DA\nÛ %DB\nÜ %DC\nÝ %DD\nÞ %DE\nß %DF\nà %E0\ná %E1\nâ %E2\nã %E3\nä %E4\nå %E5\næ %E6\nç %E7\nè %E8\né %E9\nê %EA\në %EB\nì %EC\ní %ED\nî %EE\nï %EF\nð %F0\nñ %F1\nò %F2\nó %F3\nô %F4\nõ %F5\nö %F6\n÷ %F7\nø %F8\nù %F9\nú %FA\nû %FB\nü %FC\ný %FD\nþ %FE\nÿ %FF'; $string = ''; foreach(str_split(iconv("UTF-8", "Windows-1252", $longAssString)) as $n => $c) { if (ord($c) > 127) { $c = '%'.bin2hex($c); } $string .= $c; } var_dump($string);

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)
8.3.60.0070.01118.20
8.3.50.0090.00921.19
8.3.40.0150.00018.67
8.3.30.0040.01118.74
8.3.20.0070.00020.21
8.3.10.0000.00721.74
8.3.00.0090.00019.56
8.2.180.0090.00616.50
8.2.170.0170.00322.96
8.2.160.0030.01320.47
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0000.00817.38
8.2.110.0060.00320.52
8.2.100.0070.00418.04
8.2.90.0040.00419.22
8.2.80.0060.00317.97
8.2.70.0030.00517.50
8.2.60.0090.00617.80
8.2.50.0030.00518.07
8.2.40.0000.00919.31
8.2.30.0050.00219.75
8.2.20.0040.00417.60
8.2.10.0000.00717.95
8.2.00.0040.00417.93
8.1.280.0120.00625.92
8.1.270.0040.00423.96
8.1.260.0050.00226.35
8.1.250.0000.00828.09
8.1.240.0060.00323.87
8.1.230.0000.01117.79
8.1.220.0030.00617.76
8.1.210.0000.00818.77
8.1.200.0000.00917.23
8.1.190.0000.00817.22
8.1.180.0000.00718.10
8.1.170.0040.00418.69
8.1.160.0000.00721.94
8.1.150.0000.00818.89
8.1.140.0000.00917.56
8.1.130.0030.00317.70
8.1.120.0040.00417.35
8.1.110.0070.00017.42
8.1.100.0000.00717.49
8.1.90.0030.00317.41
8.1.80.0000.00817.43
8.1.70.0030.00317.35
8.1.60.0000.00717.47
8.1.50.0000.00817.41
8.1.40.0000.00817.56
8.1.30.0000.00817.71
8.1.20.0040.00417.65
8.1.10.0000.00917.44
8.1.00.0030.00517.40
8.0.300.0060.00318.77
8.0.290.0080.00016.75
8.0.280.0000.00718.32
8.0.270.0000.00817.22
8.0.260.0000.00817.30
8.0.250.0040.00416.91
8.0.240.0040.00417.05
8.0.230.0000.00716.93
8.0.220.0040.00416.96
8.0.210.0060.00317.01
8.0.200.0030.00316.94
8.0.190.0030.00316.98
8.0.180.0000.00717.03
8.0.170.0040.00416.95
8.0.160.0000.00717.00
8.0.150.0070.00016.90
8.0.140.0070.00016.89
8.0.130.0040.00413.36
8.0.120.0070.00317.24
8.0.110.0060.00317.33
8.0.100.0000.01017.29
8.0.90.0000.00917.41
8.0.80.0030.01517.38
8.0.70.0030.00617.27
8.0.60.0060.00317.39
8.0.50.0060.00317.18
8.0.30.0120.00817.59
8.0.20.0150.01517.51
8.0.10.0060.00317.45
8.0.00.0120.01217.40
7.4.330.0050.00015.13
7.4.320.0030.00316.52
7.4.300.0000.00616.50
7.4.290.0030.00716.54
7.4.280.0030.00616.46
7.4.270.0060.00016.66
7.4.260.0000.00716.47
7.4.250.0000.00917.11
7.4.240.0040.00517.04
7.4.230.0040.00417.15
7.4.220.0110.01517.04
7.4.210.0130.00317.13
7.4.200.0030.00617.10
7.4.160.0150.00316.89
7.4.150.0160.00717.40
7.4.140.0160.01017.86
7.4.130.0080.01316.93
7.4.120.0110.00916.99
7.4.110.0100.01617.15
7.4.100.0120.01217.10
7.4.90.0060.01516.75
7.4.80.0140.01219.39
7.4.70.0090.01316.87
7.4.60.0120.01616.79
7.4.50.0100.00916.92
7.4.40.0080.01516.73
7.4.30.0140.01516.37
7.4.20.0130.01916.42
7.4.10.0130.01316.73
7.4.00.0100.00816.16
7.3.330.0000.00613.16
7.3.320.0050.00013.06
7.3.310.0040.00416.90
7.3.300.0000.00816.69
7.3.290.0120.01116.74
7.3.280.0110.01216.76
7.3.270.0110.01417.40
7.3.260.0060.01316.68
7.3.250.0090.01216.98
7.3.240.0110.01116.99
7.3.230.0110.01116.99
7.3.210.0120.00917.09
7.3.200.0090.00916.80
7.3.190.0140.01016.68
7.3.180.0120.01116.87
7.3.170.0090.01616.88
7.3.160.0100.01516.71
7.3.150.0160.01416.71
7.3.140.0230.00816.43
7.3.130.0120.01816.38
7.3.120.0090.01816.57
7.3.110.0150.00916.52
7.3.100.0170.00716.76
7.3.90.0160.01316.80
7.3.80.0150.01416.84
7.3.70.0120.00916.76
7.3.60.0100.01316.75
7.3.50.0090.01716.87
7.3.40.0140.01016.78
7.3.30.0140.01016.65
7.3.20.0630.01316.59
7.3.10.0060.01416.67
7.3.00.0130.00716.65
7.2.330.0100.01017.02
7.2.320.0000.01916.92
7.2.310.0150.01216.98
7.2.300.0170.00816.92
7.2.290.0140.01317.11
7.2.280.0140.01816.64
7.2.270.0110.01516.92
7.2.260.0160.01616.50
7.2.250.0100.01716.58
7.2.240.0130.01816.52
7.2.230.0170.00316.70
7.2.220.0080.02016.67
7.2.210.0070.02116.89
7.2.200.0000.02316.90
7.2.190.0140.01516.76
7.2.180.0070.01416.65
7.2.170.0160.00616.73
7.2.160.0140.00716.77
7.2.150.0140.01416.84
7.2.140.0100.01016.86
7.2.130.0160.01316.93
7.2.120.0140.01416.80
7.2.110.0170.01318.65
7.2.100.0150.01518.35
7.2.90.0070.02316.72
7.2.80.0090.01217.07
7.2.70.0040.02216.91
7.2.60.0050.01617.04
7.2.50.0090.01318.50
7.2.40.0070.01417.07
7.2.30.0330.00717.02
7.2.20.0100.01016.75
7.2.10.0470.02016.73
7.2.00.0070.01018.09
7.1.330.0360.01616.21
7.1.320.0190.01916.09
7.1.310.0280.01016.04
7.1.300.0190.01616.04
7.1.290.0160.01916.28
7.1.280.0190.02216.20
7.1.270.0280.01716.11
7.1.260.0210.01116.04
7.1.250.0120.02116.12
7.1.240.0270.02017.41
7.1.230.0180.01717.63
7.1.220.0250.00917.34
7.1.210.0240.01016.08
7.1.200.0160.01415.97
7.1.190.0310.00516.12
7.1.180.0310.01016.02
7.1.170.0220.00717.67
7.1.160.0290.01015.85
7.1.150.0200.01416.10
7.1.140.0220.00716.02
7.1.130.0210.00916.00
7.1.120.0270.00715.96
7.1.110.0240.00715.97
7.1.100.0130.01017.14
7.1.90.0250.00615.97
7.1.80.0220.00916.04
7.1.70.0140.01016.56
7.1.60.0130.01617.57
7.1.50.0200.01025.50
7.1.40.0220.00816.01
7.1.30.0240.00415.95
7.1.20.0230.00515.93
7.1.10.0170.01115.93
7.1.00.0130.04419.36
7.0.330.0290.01115.60
7.0.320.0120.01917.23
7.0.310.0200.01215.81
7.0.300.0210.01515.78
7.0.290.0200.00715.80
7.0.280.0690.01215.68
7.0.270.0170.01215.69
7.0.260.0210.00815.83
7.0.250.0200.00815.84
7.0.240.0290.00615.73
7.0.230.0230.00815.71
7.0.220.0200.00815.74
7.0.210.0190.00915.91
7.0.200.0120.00816.28
7.0.190.0080.01915.87
7.0.180.0190.01015.66
7.0.170.0200.00715.79
7.0.160.0290.00015.77
7.0.150.0200.00715.70
7.0.140.0200.00915.74
7.0.130.0150.01515.66
7.0.120.0280.00915.80
7.0.110.0210.01215.63
7.0.100.0200.00715.77
7.0.90.0200.01515.80
7.0.80.0130.01715.90
7.0.70.0260.01515.77
7.0.60.0290.04017.99
7.0.50.0150.02617.00
7.0.40.0180.03318.08
7.0.30.0200.04018.06
7.0.20.0170.03317.89
7.0.10.0170.02417.99
7.0.00.0180.03218.01
5.6.400.0240.01016.22
5.6.390.0250.01116.70
5.6.380.0200.01616.54
5.6.370.0250.00716.86
5.6.360.0190.01616.67
5.6.350.0180.01216.79
5.6.340.0200.01416.53
5.6.330.0170.01416.58
5.6.320.0230.00916.71
5.6.310.0200.01016.37
5.6.300.0180.01116.74
5.6.290.0200.01016.63
5.6.280.0140.02019.06
5.6.270.0220.01316.36
5.6.260.0080.02616.68
5.6.250.0280.01016.75
5.6.240.0190.01216.65
5.6.230.0200.01216.46
5.6.220.0180.01516.65
5.6.210.0160.04418.59
5.6.200.0220.03617.66
5.6.190.0120.03218.80
5.6.180.0280.04418.79
5.6.170.0220.05318.83
5.6.160.0130.05218.79
5.6.150.0210.04117.67
5.6.140.0150.03017.61
5.6.130.0170.04817.71
5.6.120.0090.04518.96
5.6.110.0110.05218.99
5.6.100.0200.04019.13
5.6.90.0100.03319.07
5.6.80.0180.04518.83
5.6.70.0200.04418.75
5.6.60.0180.01816.54
5.6.50.0230.00816.49
5.6.40.0180.01816.53
5.6.30.0190.01616.43
5.6.20.0210.01216.41
5.6.10.0240.00916.45
5.6.00.0200.02316.41
5.5.380.0200.02016.36
5.5.370.0270.02016.25
5.5.360.0190.01516.61
5.5.350.0290.04018.40
5.5.340.0130.03417.55
5.5.330.0130.02618.67
5.5.320.0160.04518.68
5.5.310.0240.03918.57
5.5.300.0210.04517.46
5.5.290.0110.03917.58
5.5.280.0170.04518.92
5.5.270.0200.04518.85
5.5.260.0090.03818.91
5.5.250.0150.03318.89
5.5.240.0170.04818.65
5.5.230.0150.02416.18
5.5.220.0240.01016.39
5.5.210.0230.01016.32
5.5.200.0210.01216.18
5.5.190.0140.02716.24
5.5.180.0200.01416.50
5.5.170.0160.01616.26
5.5.160.0170.01516.40
5.5.150.0230.01016.55
5.5.140.0150.01916.53
5.5.130.0240.01016.55
5.5.120.0180.02116.36
5.5.110.0190.01716.25
5.5.100.0140.01716.07
5.5.90.0170.01416.34
5.5.80.0120.02816.48
5.5.70.0270.01216.38
5.5.60.0220.00916.31
5.5.50.0220.01116.25
5.5.40.0080.02316.61
5.5.30.0140.01716.36
5.5.20.0240.00816.57
5.5.10.0200.01216.46
5.5.00.0270.00416.45
5.4.450.0350.03916.29
5.4.440.0430.03616.18
5.4.430.0160.03316.18
5.4.420.0250.03716.09
5.4.410.0400.03716.12
5.4.400.0560.02516.12
5.4.390.0400.03216.13
5.4.380.0380.03616.08
5.4.370.0480.03516.10
5.4.360.0540.03216.07
5.4.350.0440.03015.96
5.4.340.0430.04416.02
5.4.330.0120.00812.49
5.4.320.0500.04315.92
5.4.310.0400.03715.94
5.4.300.0620.02315.88
5.4.290.0530.03015.93
5.4.280.0570.03615.98
5.4.270.0450.03515.87
5.4.260.0540.02715.96
5.4.250.0580.04315.98
5.4.240.0540.04516.06
5.4.230.0500.03616.05
5.4.220.0460.03616.03
5.4.210.0510.03715.96
5.4.200.0500.02816.10
5.4.190.0410.03215.98
5.4.180.0440.04516.06
5.4.170.0400.03215.97
5.4.160.0430.03116.04
5.4.150.0450.03216.03
5.4.140.0400.03614.70
5.4.130.0390.03914.68
5.4.120.0480.03714.62
5.4.110.0600.03014.78
5.4.100.0420.03414.66
5.4.90.0410.03314.55
5.4.80.0440.03214.58
5.4.70.0230.03214.54
5.4.60.0170.02914.68
5.4.50.0080.03514.71
5.4.40.0070.04414.66
5.4.30.0070.03614.66
5.4.20.0120.03714.69
5.4.10.0200.00012.48
5.4.00.0130.00712.49

preferences:
64.36 ms | 401 KiB | 5 Q