3v4l.org

run code in 300+ PHP versions simultaneously
<?php $all = '\nbackspace %08' . '\ntab %09' . '\nlinefeed %0A' . '\ncreturn %0D' . '\nspace %20' . '\n! %21' . '\n" %22' . '\n# %23' . '\n$ %24' . '\n% %25' . '\n& %26' . "' %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", $all)) as $n => $c) { if (ord($c) > 127) { $c = '%'.strtoupper(bin2hex($c)); } $string .= $c; } echo $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)
8.3.60.0120.00618.42
8.3.50.0140.00521.08
8.3.40.0070.00718.72
8.3.30.0040.01218.85
8.3.20.0050.00320.25
8.3.10.0040.00421.82
8.3.00.0080.00019.56
8.2.180.0100.01316.63
8.2.170.0090.00922.96
8.2.160.0130.00320.65
8.2.150.0000.00724.18
8.2.140.0050.00324.66
8.2.130.0080.00026.16
8.2.120.0090.00017.48
8.2.110.0090.00020.48
8.2.100.0080.00417.91
8.2.90.0050.00317.88
8.2.80.0070.00318.75
8.2.70.0030.00617.50
8.2.60.0050.00318.05
8.2.50.0000.01118.07
8.2.40.0080.00019.33
8.2.30.0040.00419.85
8.2.20.0070.00017.84
8.2.10.0000.00818.17
8.2.00.0050.00518.07
8.1.280.0140.00325.92
8.1.270.0080.00020.50
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0030.00620.72
8.1.230.0040.00720.96
8.1.220.0000.00818.73
8.1.210.0030.00518.77
8.1.200.0000.00817.48
8.1.190.0050.00317.36
8.1.180.0000.00818.10
8.1.170.0080.00018.75
8.1.160.0040.00422.20
8.1.150.0040.00419.06
8.1.140.0000.00817.46
8.1.130.0040.00417.64
8.1.120.0040.00417.66
8.1.110.0000.00817.60
8.1.100.0060.00317.62
8.1.90.0040.00417.62
8.1.80.0030.00617.58
8.1.70.0000.00817.46
8.1.60.0080.00017.72
8.1.50.0040.00417.54
8.1.40.0030.00517.55
8.1.30.0040.00417.66
8.1.20.0040.00417.82
8.1.10.0060.00317.64
8.1.00.0040.00417.44
8.0.300.0000.00718.77
8.0.290.0040.00417.00
8.0.280.0000.00818.53
8.0.270.0070.00017.02
8.0.260.0070.00017.04
8.0.250.0020.00517.13
8.0.240.0050.00317.16
8.0.230.0000.00817.13
8.0.220.0070.00016.98
8.0.210.0070.00016.98
8.0.200.0000.00717.14
8.0.190.0070.00017.06
8.0.180.0040.00417.13
8.0.170.0050.00317.04
8.0.160.0070.00017.15
8.0.150.0000.00716.88
8.0.140.0040.00417.06
8.0.130.0020.00513.51
8.0.120.0000.00917.24
8.0.110.0000.01017.27
8.0.100.0040.00417.27
8.0.90.0000.00917.34
8.0.80.0090.01017.28
8.0.70.0050.00517.40
8.0.60.0050.00517.31
8.0.50.0060.00317.22
8.0.30.0100.00917.60
8.0.20.0110.01217.44
8.0.10.0000.00917.31
8.0.00.0080.01217.23
7.4.330.0000.00615.08
7.4.320.0030.00316.65
7.4.300.0000.00616.79
7.4.290.0000.01016.61
7.4.280.0080.00016.58
7.4.270.0030.00316.78
7.4.260.0050.00316.50
7.4.250.0060.00317.01
7.4.240.0000.00817.00
7.4.230.0030.00516.91
7.4.220.0130.00917.05
7.4.210.0100.00717.13
7.4.200.0030.00616.97
7.4.160.0140.00517.04
7.4.150.0030.01717.40
7.4.140.0090.01417.86
7.4.130.0080.01616.87
7.4.120.0070.01316.88
7.4.110.0060.01616.93
7.4.100.0100.01016.96
7.4.90.0070.01316.77
7.4.80.0190.00619.39
7.4.70.0090.01416.62
7.4.60.0160.00916.56
7.4.50.0060.00916.54
7.4.40.0070.01716.63
7.4.30.0100.01416.20
7.4.20.0130.00816.23
7.4.10.0090.01216.03
7.4.00.0070.01015.69
7.3.330.0000.00613.28
7.3.320.0030.00313.24
7.3.310.0050.00516.59
7.3.300.0000.00816.75
7.3.290.0080.01516.76
7.3.280.0110.00916.73
7.3.270.0100.01017.40
7.3.260.0130.00716.82
7.3.250.0120.00816.83
7.3.240.0090.01216.83
7.3.230.0130.01416.83
7.3.210.0150.01116.76
7.3.200.0070.01316.79
7.3.190.0130.00816.65
7.3.180.0060.01416.62
7.3.170.0050.01516.78
7.3.160.0150.00716.56
7.3.150.0080.01516.44
7.3.140.0110.01916.73
7.3.130.0120.01115.99
7.3.120.0100.01015.62
7.3.110.0110.01115.61
7.3.100.0060.01315.62
7.3.90.0110.00815.54
7.3.80.0040.01215.50
7.3.70.0090.01015.58
7.3.60.0070.01115.51
7.3.50.0040.01315.56
7.3.40.0040.01415.57
7.3.30.0060.01215.64
7.3.20.0060.01317.27
7.3.10.0060.01017.25
7.3.00.0070.01117.18
7.2.330.0060.01917.12
7.2.320.0200.00717.14
7.2.310.0130.00816.88
7.2.300.0090.01116.84
7.2.290.0140.01116.90
7.2.280.0090.01516.49
7.2.270.0110.01316.78
7.2.260.0070.01415.87
7.2.250.0080.01315.65
7.2.240.0070.01315.80
7.2.230.0090.01215.75
7.2.220.0100.01315.66
7.2.210.0110.00815.69
7.2.200.0060.01215.82
7.2.190.0070.01215.74
7.2.180.0080.01115.66
7.2.170.0080.01215.74
7.2.160.0080.01015.94
7.2.150.0080.01417.84
7.2.140.0120.00817.88
7.2.130.0100.00817.85
7.2.120.0070.01217.76
7.2.110.0110.00917.93
7.2.100.0060.01317.77
7.2.90.0030.01917.66
7.2.80.0100.01217.69
7.2.70.0020.01717.67
7.2.60.0070.01217.47
7.2.50.0130.01017.84
7.2.40.0040.01417.71
7.2.30.0100.00817.84
7.2.20.0140.00617.78
7.2.10.0080.01117.71
7.2.00.0090.00918.35
7.1.330.0080.01416.26
7.1.320.0080.00916.29
7.1.310.0100.01116.37
7.1.300.0070.01416.39
7.1.290.0130.01016.39
7.1.280.0070.01216.23
7.1.270.0080.01016.31
7.1.260.0160.00616.27
7.1.250.0150.00916.78
7.1.240.0140.01216.71
7.1.230.0110.01316.84
7.1.220.0120.00916.69
7.1.210.0140.00816.81
7.1.200.0130.00916.46
7.1.190.0390.00916.68
7.1.180.0150.01116.62
7.1.170.0170.00916.66
7.1.160.0110.01416.64
7.1.150.0130.01316.77
7.1.140.0180.00416.71
7.1.130.0140.00816.80
7.1.120.0160.00816.69
7.1.110.0180.00816.75
7.1.100.0110.01017.41
7.1.90.0140.00816.80
7.1.80.0130.00816.66
7.1.70.0120.00616.82
7.1.60.0120.01217.60
7.1.50.0110.00922.94
7.1.40.0090.01116.72
7.1.30.0110.01016.75
7.1.20.0130.00816.60
7.1.10.0140.00916.89
7.1.00.0090.03118.71
7.0.330.0110.00916.46
7.0.320.0060.01116.42
7.0.310.0110.01416.55
7.0.300.0210.00615.67
7.0.290.0160.01116.49
7.0.280.0130.00916.43
7.0.270.0140.01016.46
7.0.260.0140.00616.39
7.0.250.0160.00616.50
7.0.240.0130.00716.49
7.0.230.0140.00916.45
7.0.220.0090.00916.54
7.0.210.0090.01116.59
7.0.200.0060.00616.58
7.0.190.0050.01016.36
7.0.180.0110.01016.48
7.0.170.0150.00416.36
7.0.160.0050.01516.45
7.0.150.0090.01316.47
7.0.140.0120.01116.54
7.0.130.0120.00916.43
7.0.120.0140.01116.45
7.0.110.0130.01116.46
7.0.100.0160.00516.32
7.0.90.0160.00716.48
7.0.80.0130.01016.38
7.0.70.0200.00516.45
7.0.60.0100.03317.77
7.0.50.0120.03117.12
7.0.40.0090.03817.12
7.0.30.0300.02817.15
7.0.20.0110.02617.05
7.0.10.0120.03417.11
7.0.00.0090.02917.15
5.6.400.0090.01715.48
5.6.390.0120.01215.67
5.6.380.0110.00915.54
5.6.370.0120.01015.57
5.6.360.0140.01115.52
5.6.350.0140.01015.67
5.6.340.0100.01715.57
5.6.330.0140.01115.68
5.6.320.0120.01215.56
5.6.310.0140.00915.64
5.6.300.0080.01615.62
5.6.290.0130.01315.72
5.6.280.0110.03117.54
5.6.270.0140.01015.76
5.6.260.0160.01015.64
5.6.250.0070.01915.75
5.6.240.0140.01115.82
5.6.230.0160.01315.68
5.6.220.0090.01815.85
5.6.210.0110.03217.17
5.6.200.0100.02516.71
5.6.190.0110.04017.36
5.6.180.0200.02517.47
5.6.170.0200.03417.23
5.6.160.0100.02517.41
5.6.150.0050.02916.62
5.6.140.0130.03216.68
5.6.130.0090.03616.58
5.6.120.0090.03217.58
5.6.110.0110.03917.63
5.6.100.0160.02617.63
5.6.90.0120.03017.76
5.6.80.0090.01917.40
5.6.70.0190.02917.33
5.6.60.0130.00915.54
5.6.50.0150.00815.70
5.6.40.0160.00515.57
5.6.30.0150.01015.53
5.6.20.0140.00815.56
5.6.10.0120.01415.60
5.6.00.0090.01615.67
5.5.380.0070.01815.65
5.5.370.0140.01015.59
5.5.360.0080.01715.64
5.5.350.0210.02917.25
5.5.340.0080.02416.58
5.5.330.0100.02117.45
5.5.320.0100.03717.28
5.5.310.0220.03217.52
5.5.300.0110.02016.53
5.5.290.0070.02516.65
5.5.280.0130.01817.68
5.5.270.0090.03717.74
5.5.260.0100.03717.50
5.5.250.0120.03017.42
5.5.240.0190.02417.16
5.5.230.0200.00515.39
5.5.220.0110.01815.46
5.5.210.0090.01515.64
5.5.200.0140.01115.55
5.5.190.0130.01215.40
5.5.180.0140.01515.56
5.5.170.0130.01615.59
5.5.160.0180.00815.69
5.5.150.0120.01515.33
5.5.140.0150.01115.58
5.5.130.0210.00415.36
5.5.120.0120.01015.46
5.5.110.0130.01115.64
5.5.100.0150.01215.48
5.5.90.0090.01215.39
5.5.80.0080.01615.41
5.5.70.0130.01315.55
5.5.60.0160.01015.69
5.5.50.0160.01015.54
5.5.40.0140.00915.41
5.5.30.0120.01315.49
5.5.20.0130.01015.43
5.5.10.0120.01115.44
5.5.00.0170.00615.43
5.4.450.0290.02514.28
5.4.440.0350.01914.47
5.4.430.0300.02414.51
5.4.420.0410.02414.38
5.4.410.0320.02214.36
5.4.400.0270.02414.26
5.4.390.0350.03414.22
5.4.380.0300.02814.33
5.4.370.0370.02314.20
5.4.360.0320.02114.28
5.4.350.0330.02114.21
5.4.340.0360.02414.24
5.4.330.0100.00911.63
5.4.320.0340.01914.23
5.4.310.0320.02014.16
5.4.300.0290.02314.34
5.4.290.0400.01914.23
5.4.280.0410.02714.26
5.4.270.0330.01914.13
5.4.260.0380.02014.25
5.4.250.0280.02314.31
5.4.240.0420.01614.21
5.4.230.0320.02814.09
5.4.220.0360.02214.25
5.4.210.0330.02414.34
5.4.200.0400.01914.09
5.4.190.0370.02214.21
5.4.180.0260.02614.12
5.4.170.0330.01814.18
5.4.160.0290.02314.08
5.4.150.0310.02114.26
5.4.140.0310.02013.44
5.4.130.0290.02013.28
5.4.120.0310.02113.38
5.4.110.0290.02113.30
5.4.100.0300.02013.31
5.4.90.0290.02013.43
5.4.80.0280.02413.47
5.4.70.0140.02613.17
5.4.60.0110.03013.40
5.4.50.0070.01413.38
5.4.40.0070.02313.41
5.4.30.0060.03213.34
5.4.20.0070.02913.37
5.4.10.0140.00611.59
5.4.00.0080.01111.67

preferences:
52.42 ms | 401 KiB | 5 Q